diff options
| author | rtk0c <[email protected]> | 2021-04-17 20:05:50 -0700 |
|---|---|---|
| committer | rtk0c <[email protected]> | 2021-04-17 20:05:50 -0700 |
| commit | b3dfa12eee1cbca6be7a155e9e506d5a080071e2 (patch) | |
| tree | 620f28ae8975837e6dd61359971e093cd591a477 /3rdparty/implot/implot_demo.cpp | |
| parent | 7b6b229ad9d85d1145322b2edd5992a4629c2106 (diff) | |
Add implot
Diffstat (limited to '3rdparty/implot/implot_demo.cpp')
| -rw-r--r-- | 3rdparty/implot/implot_demo.cpp | 1928 |
1 files changed, 1928 insertions, 0 deletions
diff --git a/3rdparty/implot/implot_demo.cpp b/3rdparty/implot/implot_demo.cpp new file mode 100644 index 0000000..53989df --- /dev/null +++ b/3rdparty/implot/implot_demo.cpp @@ -0,0 +1,1928 @@ +// MIT License + +// Copyright (c) 2021 Evan Pezent + +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// ImPlot v0.10 WIP + +#include "implot.h" +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +#ifdef _MSC_VER +#define sprintf sprintf_s +#endif + +#ifndef PI +#define PI 3.14159265358979323846 +#endif + +// Encapsulates examples for customizing ImPlot. +namespace MyImPlot { + +// Example for Custom Data and Getters section. +struct Vector2f { + Vector2f(float _x, float _y) { x = _x; y = _y; } + float x, y; +}; + +// Example for Custom Data and Getters section. +struct WaveData { + double X, Amp, Freq, Offset; + WaveData(double x, double amp, double freq, double offset) { X = x; Amp = amp; Freq = freq; Offset = offset; } +}; +ImPlotPoint SineWave(void* wave_data, int idx); +ImPlotPoint SawWave(void* wave_data, int idx); +ImPlotPoint Spiral(void*, int idx); + +// Example for Tables section. +void Sparkline(const char* id, const float* values, int count, float min_v, float max_v, int offset, const ImVec4& col, const ImVec2& size); + +// Example for Custom Plotters and Tooltips section. +void PlotCandlestick(const char* label_id, const double* xs, const double* opens, const double* closes, const double* lows, const double* highs, int count, bool tooltip = true, float width_percent = 0.25f, ImVec4 bullCol = ImVec4(0,1,0,1), ImVec4 bearCol = ImVec4(1,0,0,1)); + +// Example for Custom Styles section. +void StyleSeaborn(); + +} // namespace MyImPlot + +namespace ImPlot { + +void ShowBenchmarkTool(); + +template <typename T> +inline T RandomRange(T min, T max) { + T scale = rand() / (T) RAND_MAX; + return min + scale * ( max - min ); +} + +ImVec4 RandomColor() { + ImVec4 col; + col.x = RandomRange(0.0f,1.0f); + col.y = RandomRange(0.0f,1.0f); + col.z = RandomRange(0.0f,1.0f); + col.w = 1.0f; + return col; +} + +double RandomGauss() { + static double V1, V2, S; + static int phase = 0; + double X; + if(phase == 0) { + do { + double U1 = (double)rand() / RAND_MAX; + double U2 = (double)rand() / RAND_MAX; + V1 = 2 * U1 - 1; + V2 = 2 * U2 - 1; + S = V1 * V1 + V2 * V2; + } while(S >= 1 || S == 0); + + X = V1 * sqrt(-2 * log(S) / S); + } else + X = V2 * sqrt(-2 * log(S) / S); + phase = 1 - phase; + return X; +} + +template <int N> +struct NormalDistribution { + NormalDistribution(double mean, double sd) { + for (int i = 0; i < N; ++i) + Data[i] = RandomGauss()*sd + mean; + } + double Data[N]; +}; + +// utility structure for realtime plot +struct ScrollingBuffer { + int MaxSize; + int Offset; + ImVector<ImVec2> Data; + ScrollingBuffer(int max_size = 2000) { + MaxSize = max_size; + Offset = 0; + Data.reserve(MaxSize); + } + void AddPoint(float x, float y) { + if (Data.size() < MaxSize) + Data.push_back(ImVec2(x,y)); + else { + Data[Offset] = ImVec2(x,y); + Offset = (Offset + 1) % MaxSize; + } + } + void Erase() { + if (Data.size() > 0) { + Data.shrink(0); + Offset = 0; + } + } +}; + +// utility structure for realtime plot +struct RollingBuffer { + float Span; + ImVector<ImVec2> Data; + RollingBuffer() { + Span = 10.0f; + Data.reserve(2000); + } + void AddPoint(float x, float y) { + float xmod = fmodf(x, Span); + if (!Data.empty() && xmod < Data.back().x) + Data.shrink(0); + Data.push_back(ImVec2(xmod, y)); + } +}; + +// Huge data used by Time Formatting example (~500 MB allocation!) +struct HugeTimeData { + HugeTimeData(double min) { + Ts = new double[Size]; + Ys = new double[Size]; + for (int i = 0; i < Size; ++i) { + Ts[i] = min + i; + Ys[i] = GetY(Ts[i]); + } + } + ~HugeTimeData() { delete[] Ts; delete[] Ys; } + static double GetY(double t) { + return 0.5 + 0.25 * sin(t/86400/12) + 0.005 * sin(t/3600); + } + double* Ts; + double* Ys; + static const int Size = 60*60*24*366; +}; + +void ShowDemoWindow(bool* p_open) { + double DEMO_TIME = ImGui::GetTime(); + static bool show_imgui_metrics = false; + static bool show_implot_metrics = false; + static bool show_imgui_style_editor = false; + static bool show_implot_style_editor = false; + static bool show_implot_benchmark = false; + if (show_imgui_metrics) { + ImGui::ShowMetricsWindow(&show_imgui_metrics); + } + if (show_implot_metrics) { + ImPlot::ShowMetricsWindow(&show_implot_metrics); + } + if (show_imgui_style_editor) { + ImGui::Begin("Style Editor (ImGui)", &show_imgui_style_editor); + ImGui::ShowStyleEditor(); + ImGui::End(); + } + if (show_implot_style_editor) { + ImGui::SetNextWindowSize(ImVec2(415,762), ImGuiCond_Appearing); + ImGui::Begin("Style Editor (ImPlot)", &show_implot_style_editor); + ImPlot::ShowStyleEditor(); + ImGui::End(); + } + if (show_implot_benchmark) { + ImGui::SetNextWindowSize(ImVec2(530,740), ImGuiCond_Appearing); + ImGui::Begin("ImPlot Benchmark Tool", &show_implot_benchmark); + ImPlot::ShowBenchmarkTool(); + ImGui::End(); + return; + } + ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver); + ImGui::SetNextWindowSize(ImVec2(600, 750), ImGuiCond_FirstUseEver); + ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar); + if (ImGui::BeginMenuBar()) { + if (ImGui::BeginMenu("Tools")) { + ImGui::MenuItem("Metrics (ImGui)", NULL, &show_imgui_metrics); + ImGui::MenuItem("Metrics (ImPlot)", NULL, &show_implot_metrics); + ImGui::MenuItem("Style Editor (ImGui)", NULL, &show_imgui_style_editor); + ImGui::MenuItem("Style Editor (ImPlot)", NULL, &show_implot_style_editor); + ImGui::MenuItem("Benchmark", NULL, &show_implot_benchmark); + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + //------------------------------------------------------------------------- + ImGui::Text("ImPlot says hello. (%s)", IMPLOT_VERSION); + ImGui::Spacing(); + + if (ImGui::CollapsingHeader("Help")) { + ImGui::Text("ABOUT THIS DEMO:"); + ImGui::BulletText("Sections below are demonstrating many aspects of the library."); + ImGui::BulletText("The \"Tools\" menu above gives access to: Style Editors (ImPlot/ImGui)\n" + "and Metrics (general purpose Dear ImGui debugging tool)."); + ImGui::Separator(); + ImGui::Text("PROGRAMMER GUIDE:"); + ImGui::BulletText("See the ShowDemoWindow() code in implot_demo.cpp. <- you are here!"); + ImGui::BulletText("By default, anti-aliased lines are turned OFF."); + ImGui::Indent(); + ImGui::BulletText("Software AA can be enabled globally with ImPlotStyle.AntiAliasedLines."); + ImGui::BulletText("Software AA can be enabled per plot with ImPlotFlags_AntiAliased."); + ImGui::BulletText("AA for plots can be toggled from the plot's context menu."); + ImGui::BulletText("If permitable, you are better off using hardware AA (e.g. MSAA)."); + ImGui::Unindent(); + ImGui::BulletText("If you see visual artifacts, do one of the following:"); + ImGui::Indent(); + ImGui::BulletText("Handle ImGuiBackendFlags_RendererHasVtxOffset for 16-bit indices in your backend."); + ImGui::BulletText("Or, enable 32-bit indices in imconfig.h."); + ImGui::BulletText("Your current configuration is:"); + ImGui::Indent(); + ImGui::BulletText("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8)); + ImGui::BulletText("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False"); + ImGui::Unindent(); + ImGui::Unindent(); + ImGui::Separator(); + ImGui::Text("USER GUIDE:"); + ShowUserGuide(); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Configuration")) { + ImGui::ShowFontSelector("Font"); + ImGui::ShowStyleSelector("ImGui Style"); + ImPlot::ShowStyleSelector("ImPlot Style"); + ImPlot::ShowColormapSelector("ImPlot Colormap"); + float indent = ImGui::CalcItemWidth() - ImGui::GetFrameHeight(); + ImGui::Indent(ImGui::CalcItemWidth() - ImGui::GetFrameHeight()); + ImGui::Checkbox("Anti-Aliased Lines", &ImPlot::GetStyle().AntiAliasedLines); + ImGui::Unindent(indent); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Line Plots")) { + static float xs1[1001], ys1[1001]; + for (int i = 0; i < 1001; ++i) { + xs1[i] = i * 0.001f; + ys1[i] = 0.5f + 0.5f * sinf(50 * (xs1[i] + (float)DEMO_TIME / 10)); + } + static double xs2[11], ys2[11]; + for (int i = 0; i < 11; ++i) { + xs2[i] = i * 0.1f; + ys2[i] = xs2[i] * xs2[i]; + } + ImGui::BulletText("Anti-aliasing can be enabled from the plot's context menu (see Help)."); + if (ImPlot::BeginPlot("Line Plot", "x", "f(x)")) { + ImPlot::PlotLine("sin(x)", xs1, ys1, 1001); + ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle); + ImPlot::PlotLine("x^2", xs2, ys2, 11); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Filled Line Plots")) { + static double xs1[101], ys1[101], ys2[101], ys3[101]; + srand(0); + for (int i = 0; i < 101; ++i) { + xs1[i] = (float)i; + ys1[i] = RandomRange(400.0,450.0); + ys2[i] = RandomRange(275.0,350.0); + ys3[i] = RandomRange(150.0,225.0); + } + static bool show_lines = true; + static bool show_fills = true; + static float fill_ref = 0; + static int shade_mode = 0; + ImGui::Checkbox("Lines",&show_lines); ImGui::SameLine(); + ImGui::Checkbox("Fills",&show_fills); + if (show_fills) { + ImGui::SameLine(); + if (ImGui::RadioButton("To -INF",shade_mode == 0)) + shade_mode = 0; + ImGui::SameLine(); + if (ImGui::RadioButton("To +INF",shade_mode == 1)) + shade_mode = 1; + ImGui::SameLine(); + if (ImGui::RadioButton("To Ref",shade_mode == 2)) + shade_mode = 2; + if (shade_mode == 2) { + ImGui::SameLine(); + ImGui::SetNextItemWidth(100); + ImGui::DragFloat("##Ref",&fill_ref, 1, -100, 500); + } + } + + + ImPlot::SetNextPlotLimits(0,100,0,500); + if (ImPlot::BeginPlot("Stock Prices", "Days", "Price")) { + if (show_fills) { + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f); + ImPlot::PlotShaded("Stock 1", xs1, ys1, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref); + ImPlot::PlotShaded("Stock 2", xs1, ys2, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref); + ImPlot::PlotShaded("Stock 3", xs1, ys3, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref); + ImPlot::PopStyleVar(); + } + if (show_lines) { + ImPlot::PlotLine("Stock 1", xs1, ys1, 101); + ImPlot::PlotLine("Stock 2", xs1, ys2, 101); + ImPlot::PlotLine("Stock 3", xs1, ys3, 101); + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Shaded Plots##")) { + static float xs[1001], ys[1001], ys1[1001], ys2[1001], ys3[1001], ys4[1001]; + srand(0); + for (int i = 0; i < 1001; ++i) { + xs[i] = i * 0.001f; + ys[i] = 0.25f + 0.25f * sinf(25 * xs[i]) * sinf(5 * xs[i]) + RandomRange(-0.01f, 0.01f); + ys1[i] = ys[i] + RandomRange(0.1f, 0.12f); + ys2[i] = ys[i] - RandomRange(0.1f, 0.12f); + ys3[i] = 0.75f + 0.2f * sinf(25 * xs[i]); + ys4[i] = 0.75f + 0.1f * cosf(25 * xs[i]); + } + static float alpha = 0.25f; + ImGui::DragFloat("Alpha",&alpha,0.01f,0,1); + + if (ImPlot::BeginPlot("Shaded Plots", "X-Axis", "Y-Axis")) { + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, alpha); + ImPlot::PlotShaded("Uncertain Data",xs,ys1,ys2,1001); + ImPlot::PlotLine("Uncertain Data", xs, ys, 1001); + ImPlot::PlotShaded("Overlapping",xs,ys3,ys4,1001); + ImPlot::PlotLine("Overlapping",xs,ys3,1001); + ImPlot::PlotLine("Overlapping",xs,ys4,1001); + ImPlot::PopStyleVar(); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Scatter Plots")) { + srand(0); + static float xs1[100], ys1[100]; + for (int i = 0; i < 100; ++i) { + xs1[i] = i * 0.01f; + ys1[i] = xs1[i] + 0.1f * ((float)rand() / (float)RAND_MAX); + } + static float xs2[50], ys2[50]; + for (int i = 0; i < 50; i++) { + xs2[i] = 0.25f + 0.2f * ((float)rand() / (float)RAND_MAX); + ys2[i] = 0.75f + 0.2f * ((float)rand() / (float)RAND_MAX); + } + + if (ImPlot::BeginPlot("Scatter Plot", NULL, NULL)) { + ImPlot::PlotScatter("Data 1", xs1, ys1, 100); + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f); + ImPlot::SetNextMarkerStyle(ImPlotMarker_Square, 6, ImVec4(0,1,0,0.5f), IMPLOT_AUTO, ImVec4(0,1,0,1)); + ImPlot::PlotScatter("Data 2", xs2, ys2, 50); + ImPlot::PopStyleVar(); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Stairstep Plots")) { + static float ys1[101], ys2[101]; + for (int i = 0; i < 101; ++i) { + ys1[i] = 0.5f + 0.4f * sinf(50 * i * 0.01f); + ys2[i] = 0.5f + 0.2f * sinf(25 * i * 0.01f); + } + if (ImPlot::BeginPlot("Stairstep Plot", "x", "f(x)")) { + ImPlot::PlotStairs("Signal 1", ys1, 101, 0.01f); + ImPlot::SetNextMarkerStyle(ImPlotMarker_Square, 2.0f); + ImPlot::PlotStairs("Signal 2", ys2, 101, 0.01f); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Bar Plots")) { + + static bool horz = false; + static ImS8 midtm[10] = {83, 67, 23, 89, 83, 78, 91, 82, 85, 90}; + static ImS16 final[10] = {80, 62, 56, 99, 55, 78, 88, 78, 90, 100}; + static ImS32 grade[10] = {80, 69, 52, 92, 72, 78, 75, 76, 89, 95}; + + static const char* labels[] = {"S1","S2","S3","S4","S5","S6","S7","S8","S9","S10"}; + static const double positions[] = {0,1,2,3,4,5,6,7,8,9}; + + ImGui::Checkbox("Horizontal",&horz); + + if (horz) { + ImPlot::SetNextPlotLimits(0, 110, -0.5, 9.5, ImGuiCond_Always); + ImPlot::SetNextPlotTicksY(positions, 10, labels); + } + else { + ImPlot::SetNextPlotLimits(-0.5, 9.5, 0, 110, ImGuiCond_Always); + ImPlot::SetNextPlotTicksX(positions, 10, labels); + } + if (ImPlot::BeginPlot("Bar Plot", horz ? "Score" : "Student", horz ? "Student" : "Score", + ImVec2(-1,0), 0, 0, horz ? ImPlotAxisFlags_Invert : 0)) + { + if (horz) { + ImPlot::SetLegendLocation(ImPlotLocation_West, ImPlotOrientation_Vertical); + ImPlot::PlotBarsH("Midterm Exam", midtm, 10, 0.2, -0.2); + ImPlot::PlotBarsH("Final Exam", final, 10, 0.2, 0); + ImPlot::PlotBarsH("Course Grade", grade, 10, 0.2, 0.2); + } + else { + ImPlot::SetLegendLocation(ImPlotLocation_South, ImPlotOrientation_Horizontal); + ImPlot::PlotBars("Midterm Exam", midtm, 10, 0.2, -0.2); + ImPlot::PlotBars("Final Exam", final, 10, 0.2, 0); + ImPlot::PlotBars("Course Grade", grade, 10, 0.2, 0.2); + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Error Bars")) { + static float xs[5] = {1,2,3,4,5}; + static float bar[5] = {1,2,5,3,4}; + static float lin1[5] = {8,8,9,7,8}; + static float lin2[5] = {6,7,6,9,6}; + static float err1[5] = {0.2f, 0.4f, 0.2f, 0.6f, 0.4f}; + static float err2[5] = {0.4f, 0.2f, 0.4f, 0.8f, 0.6f}; + static float err3[5] = {0.09f, 0.14f, 0.09f, 0.12f, 0.16f}; + static float err4[5] = {0.02f, 0.08f, 0.15f, 0.05f, 0.2f}; + + + ImPlot::SetNextPlotLimits(0, 6, 0, 10); + if (ImPlot::BeginPlot("##ErrorBars",NULL,NULL)) { + + ImPlot::PlotBars("Bar", xs, bar, 5, 0.5f); + ImPlot::PlotErrorBars("Bar", xs, bar, err1, 5); + + ImPlot::SetNextErrorBarStyle(ImPlot::GetColormapColor(1), 0); + ImPlot::PlotErrorBars("Line", xs, lin1, err1, err2, 5); + ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle); + ImPlot::PlotLine("Line", xs, lin1, 5); + + ImPlot::PushStyleColor(ImPlotCol_ErrorBar, ImPlot::GetColormapColor(2)); + ImPlot::PlotErrorBars("Scatter", xs, lin2, err2, 5); + ImPlot::PlotErrorBarsH("Scatter", xs, lin2, err3, err4, 5); + ImPlot::PopStyleColor(); + ImPlot::PlotScatter("Scatter", xs, lin2, 5); + + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Stem Plots##")) { + static double xs[51], ys1[51], ys2[51]; + for (int i = 0; i < 51; ++i) { + xs[i] = i * 0.02; + ys1[i] = 1.0 + 0.5 * sin(25*xs[i])*cos(2*xs[i]); + ys2[i] = 0.5 + 0.25 * sin(10*xs[i]) * sin(xs[i]); + } + ImPlot::SetNextPlotLimits(0,1,0,1.6); + if (ImPlot::BeginPlot("Stem Plots")) { + ImPlot::PlotStems("Stems 1",xs,ys1,51); + ImPlot::SetNextLineStyle(ImVec4(1,0.5f,0,0.75f)); + ImPlot::SetNextMarkerStyle(ImPlotMarker_Square,5,ImVec4(1,0.5f,0,0.25f)); + ImPlot::PlotStems("Stems 2", xs, ys2,51); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Infinite Lines")) { + static double vals[] = {0.25, 0.5, 0.75}; + if (ImPlot::BeginPlot("##Infinite",0,0,ImVec2(-1,0),0,ImPlotAxisFlags_NoInitialFit,ImPlotAxisFlags_NoInitialFit)) { + ImPlot::PlotVLines("VLines",vals,3); + ImPlot::PlotHLines("HLines",vals,3); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Pie Charts")) { + static const char* labels1[] = {"Frogs","Hogs","Dogs","Logs"}; + static float data1[] = {0.15f, 0.30f, 0.2f, 0.05f}; + static bool normalize = false; + ImGui::SetNextItemWidth(250); + ImGui::DragFloat4("Values", data1, 0.01f, 0, 1); + if ((data1[0] + data1[1] + data1[2] + data1[3]) < 1) { + ImGui::SameLine(); + ImGui::Checkbox("Normalize", &normalize); + } + + ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always); + if (ImPlot::BeginPlot("##Pie1", NULL, NULL, ImVec2(250,250), ImPlotFlags_Equal | ImPlotFlags_NoMousePos, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) { + ImPlot::PlotPieChart(labels1, data1, 4, 0.5, 0.5, 0.4, normalize, "%.2f"); + ImPlot::EndPlot(); + } + + ImGui::SameLine(); + + static const char* labels2[] = {"A","B","C","D","E"}; + static int data2[] = {1,1,2,3,5}; + + ImPlot::PushColormap(ImPlotColormap_Pastel); + ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always); + if (ImPlot::BeginPlot("##Pie2", NULL, NULL, ImVec2(250,250), ImPlotFlags_Equal | ImPlotFlags_NoMousePos, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) { + ImPlot::PlotPieChart(labels2, data2, 5, 0.5, 0.5, 0.4, true, "%.0f", 180); + ImPlot::EndPlot(); + } + ImPlot::PopColormap(); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Heatmaps")) { + static float values1[7][7] = {{0.8f, 2.4f, 2.5f, 3.9f, 0.0f, 4.0f, 0.0f}, + {2.4f, 0.0f, 4.0f, 1.0f, 2.7f, 0.0f, 0.0f}, + {1.1f, 2.4f, 0.8f, 4.3f, 1.9f, 4.4f, 0.0f}, + {0.6f, 0.0f, 0.3f, 0.0f, 3.1f, 0.0f, 0.0f}, + {0.7f, 1.7f, 0.6f, 2.6f, 2.2f, 6.2f, 0.0f}, + {1.3f, 1.2f, 0.0f, 0.0f, 0.0f, 3.2f, 5.1f}, + {0.1f, 2.0f, 0.0f, 1.4f, 0.0f, 1.9f, 6.3f}}; + static float scale_min = 0; + static float scale_max = 6.3f; + static const char* xlabels[] = {"C1","C2","C3","C4","C5","C6","C7"}; + static const char* ylabels[] = {"R1","R2","R3","R4","R5","R6","R7"}; + + static ImPlotColormap map = ImPlotColormap_Viridis; + if (ImPlot::ColormapButton(ImPlot::GetColormapName(map),ImVec2(225,0),map)) { + map = (map + 1) % ImPlot::GetColormapCount(); + // We bust the color cache of our plots so that item colors will + // resample the new colormap in the event that they have already + // been created. See documentation in implot.h. + BustColorCache("##Heatmap1"); + BustColorCache("##Heatmap2"); + } + + ImGui::SameLine(); + ImGui::LabelText("##Colormap Index", "%s", "Change Colormap"); + ImGui::SetNextItemWidth(225); + ImGui::DragFloatRange2("Min / Max",&scale_min, &scale_max, 0.01f, -20, 20); + static ImPlotAxisFlags axes_flags = ImPlotAxisFlags_Lock | ImPlotAxisFlags_NoGridLines | ImPlotAxisFlags_NoTickMarks; + + ImPlot::PushColormap(map); + SetNextPlotTicksX(0 + 1.0/14.0, 1 - 1.0/14.0, 7, xlabels); + SetNextPlotTicksY(1 - 1.0/14.0, 0 + 1.0/14.0, 7, ylabels); + if (ImPlot::BeginPlot("##Heatmap1",NULL,NULL,ImVec2(225,225),ImPlotFlags_NoLegend|ImPlotFlags_NoMousePos,axes_flags,axes_flags)) { + ImPlot::PlotHeatmap("heat",values1[0],7,7,scale_min,scale_max); + ImPlot::EndPlot(); + } + ImGui::SameLine(); + ImPlot::ColormapScale("##HeatScale",scale_min, scale_max, ImVec2(60,225)); + + ImGui::SameLine(); + + const int size = 200; + static double values2[size*size]; + srand((unsigned int)(DEMO_TIME*1000000)); + for (int i = 0; i < size*size; ++i) + values2[i] = RandomRange(0.0,1.0); + + ImPlot::SetNextPlotLimits(-1,1,-1,1); + if (ImPlot::BeginPlot("##Heatmap2",NULL,NULL,ImVec2(225,225),0,ImPlotAxisFlags_NoDecorations,ImPlotAxisFlags_NoDecorations)) { + ImPlot::PlotHeatmap("heat1",values2,size,size,0,1,NULL); + ImPlot::PlotHeatmap("heat2",values2,size,size,0,1,NULL, ImPlotPoint(-1,-1), ImPlotPoint(0,0)); + ImPlot::EndPlot(); + } + ImPlot::PopColormap(); + + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Histograms")) { + static int bins = 50; + static bool cumulative = false; + static bool density = true; + static bool outliers = true; + static double mu = 5; + static double sigma = 2; + + ImGui::SetNextItemWidth(200); + if (ImGui::RadioButton("Sqrt",bins==ImPlotBin_Sqrt)) { bins = ImPlotBin_Sqrt; } ImGui::SameLine(); + if (ImGui::RadioButton("Sturges",bins==ImPlotBin_Sturges)) { bins = ImPlotBin_Sturges; } ImGui::SameLine(); + if (ImGui::RadioButton("Rice",bins==ImPlotBin_Rice)) { bins = ImPlotBin_Rice; } ImGui::SameLine(); + if (ImGui::RadioButton("Scott",bins==ImPlotBin_Scott)) { bins = ImPlotBin_Scott; } ImGui::SameLine(); + if (ImGui::RadioButton("N Bins",bins>=0)) bins = 50; + if (bins>=0) { + ImGui::SameLine(); + ImGui::SetNextItemWidth(200); + ImGui::SliderInt("##Bins", &bins, 1, 100); + } + if (ImGui::Checkbox("Density", &density)) + ImPlot::FitNextPlotAxes(); + ImGui::SameLine(); + if (ImGui::Checkbox("Cumulative", &cumulative)) + ImPlot::FitNextPlotAxes(); + ImGui::SameLine(); + static bool range = false; + ImGui::Checkbox("Range", &range); + static float rmin = -3; + static float rmax = 13; + if (range) { + ImGui::SameLine(); + ImGui::SetNextItemWidth(200); + ImGui::DragFloat2("##Range",&rmin,0.1f,-3,13); + ImGui::SameLine(); + ImGui::Checkbox("Outliers",&outliers); + } + + static NormalDistribution<10000> dist(mu, sigma); + static double x[100]; + static double y[100]; + if (density) { + for (int i = 0; i < 100; ++i) { + x[i] = -3 + 16 * (double)i/99.0; + y[i] = exp( - (x[i]-mu)*(x[i]-mu) / (2*sigma*sigma)) / (sigma * sqrt(2*3.141592653589793238)); + } + if (cumulative) { + for (int i = 1; i < 100; ++i) + y[i] += y[i-1]; + for (int i = 0; i < 100; ++i) + y[i] /= y[99]; + } + } + + if (ImPlot::BeginPlot("##Histograms")) { + ImPlot::SetNextFillStyle(IMPLOT_AUTO_COL, 0.5f); + ImPlot::PlotHistogram("Empirical", dist.Data, 10000, bins, cumulative, density, range ? ImPlotRange(rmin,rmax) : ImPlotRange(), outliers); + if (density && outliers) + ImPlot::PlotLine("Theoretical",x,y,100); + ImPlot::EndPlot(); + } + + static int count = 500000; + static int xybins[2] = {200,200}; + static bool density2 = false; + ImGui::SliderInt("Count",&count,100,500000); + ImGui::SliderInt2("Bins",xybins,1,500); + ImGui::SameLine(); + ImGui::Checkbox("Density##2",&density2); + static NormalDistribution<500000> dist1(1, 2); + static NormalDistribution<500000> dist2(1, 1); + double max_count = 0; + ImPlotAxisFlags flags = ImPlotAxisFlags_AutoFit|ImPlotAxisFlags_Foreground; + ImPlot::PushColormap("Hot"); + if (ImPlot::BeginPlot("##Hist2D",0,0,ImVec2(ImGui::GetContentRegionAvail().x-100-ImGui::GetStyle().ItemSpacing.x,0),0,flags,flags)) { + max_count = ImPlot::PlotHistogram2D("Hist2D",dist1.Data,dist2.Data,count,xybins[0],xybins[1],density2,ImPlotLimits(-6,6,-6,6)); + ImPlot::EndPlot(); + } + ImGui::SameLine(); + ImPlot::ColormapScale(density2 ? "Density" : "Count",0,max_count,ImVec2(100,0)); + ImPlot::PopColormap(); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Digital Plots")) { + ImGui::BulletText("Digital plots do not respond to Y drag and zoom, so that"); + ImGui::Indent(); + ImGui::Text("you can drag analog plots over the rising/falling digital edge."); + ImGui::Unindent(); + + static bool paused = false; + static ScrollingBuffer dataDigital[2]; + static ScrollingBuffer dataAnalog[2]; + static bool showDigital[2] = {true, false}; + static bool showAnalog[2] = {true, false}; + + char label[32]; + ImGui::Checkbox("digital_0", &showDigital[0]); ImGui::SameLine(); + ImGui::Checkbox("digital_1", &showDigital[1]); ImGui::SameLine(); + ImGui::Checkbox("analog_0", &showAnalog[0]); ImGui::SameLine(); + ImGui::Checkbox("analog_1", &showAnalog[1]); + + static float t = 0; + if (!paused) { + t += ImGui::GetIO().DeltaTime; + //digital signal values + if (showDigital[0]) + dataDigital[0].AddPoint(t, sinf(2*t) > 0.45); + if (showDigital[1]) + dataDigital[1].AddPoint(t, sinf(2*t) < 0.45); + //Analog signal values + if (showAnalog[0]) + dataAnalog[0].AddPoint(t, sinf(2*t)); + if (showAnalog[1]) + dataAnalog[1].AddPoint(t, cosf(2*t)); + } + ImPlot::SetNextPlotLimitsY(-1, 1); + ImPlot::SetNextPlotLimitsX(t - 10.0, t, paused ? ImGuiCond_Once : ImGuiCond_Always); + if (ImPlot::BeginPlot("##Digital")) { + for (int i = 0; i < 2; ++i) { + if (showDigital[i] && dataDigital[i].Data.size() > 0) { + sprintf(label, "digital_%d", i); + ImPlot::PlotDigital(label, &dataDigital[i].Data[0].x, &dataDigital[i].Data[0].y, dataDigital[i].Data.size(), dataDigital[i].Offset, 2 * sizeof(float)); + } + } + for (int i = 0; i < 2; ++i) { + if (showAnalog[i]) { + sprintf(label, "analog_%d", i); + if (dataAnalog[i].Data.size() > 0) + ImPlot::PlotLine(label, &dataAnalog[i].Data[0].x, &dataAnalog[i].Data[0].y, dataAnalog[i].Data.size(), dataAnalog[i].Offset, 2 * sizeof(float)); + } + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Images")) { + ImGui::BulletText("Below we are displaying the font texture, which is the only texture we have\naccess to in this demo."); + ImGui::BulletText("Use the 'ImTextureID' type as storage to pass pointers or identifiers to your\nown texture data."); + ImGui::BulletText("See ImGui Wiki page 'Image Loading and Displaying Examples'."); + static ImVec2 bmin(0,0); + static ImVec2 bmax(1,1); + static ImVec2 uv0(0,0); + static ImVec2 uv1(1,1); + static ImVec4 tint(1,1,1,1); + ImGui::SliderFloat2("Min", &bmin.x, -2, 2, "%.1f"); + ImGui::SliderFloat2("Max", &bmax.x, -2, 2, "%.1f"); + ImGui::SliderFloat2("UV0", &uv0.x, -2, 2, "%.1f"); + ImGui::SliderFloat2("UV1", &uv1.x, -2, 2, "%.1f"); + ImGui::ColorEdit4("Tint",&tint.x); + if (ImPlot::BeginPlot("##image")) { + ImPlot::PlotImage("my image",ImGui::GetIO().Fonts->TexID, bmin, bmax, uv0, uv1, tint); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Realtime Plots")) { + ImGui::BulletText("Move your mouse to change the data!"); + ImGui::BulletText("This example assumes 60 FPS. Higher FPS requires larger buffer size."); + static ScrollingBuffer sdata1, sdata2; + static RollingBuffer rdata1, rdata2; + ImVec2 mouse = ImGui::GetMousePos(); + static float t = 0; + t += ImGui::GetIO().DeltaTime; + sdata1.AddPoint(t, mouse.x * 0.0005f); + rdata1.AddPoint(t, mouse.x * 0.0005f); + sdata2.AddPoint(t, mouse.y * 0.0005f); + rdata2.AddPoint(t, mouse.y * 0.0005f); + + static float history = 10.0f; + ImGui::SliderFloat("History",&history,1,30,"%.1f s"); + rdata1.Span = history; + rdata2.Span = history; + + static ImPlotAxisFlags flags = ImPlotAxisFlags_NoTickLabels; + ImPlot::SetNextPlotLimitsX(t - history, t, ImGuiCond_Always); + ImPlot::SetNextPlotLimitsY(0,1); + if (ImPlot::BeginPlot("##Scrolling", NULL, NULL, ImVec2(-1,150), 0, flags, flags)) { + ImPlot::SetNextFillStyle(IMPLOT_AUTO_COL,0.5f); + ImPlot::PlotShaded("Mouse X", &sdata1.Data[0].x, &sdata1.Data[0].y, sdata1.Data.size(), -INFINITY, sdata1.Offset, 2 * sizeof(float)); + ImPlot::PlotLine("Mouse Y", &sdata2.Data[0].x, &sdata2.Data[0].y, sdata2.Data.size(), sdata2.Offset, 2*sizeof(float)); + ImPlot::EndPlot(); + } + ImPlot::SetNextPlotLimitsX(0, history, ImGuiCond_Always); + ImPlot::SetNextPlotLimitsY(0,1); + if (ImPlot::BeginPlot("##Rolling", NULL, NULL, ImVec2(-1,150), 0, flags, flags)) { + ImPlot::PlotLine("Mouse X", &rdata1.Data[0].x, &rdata1.Data[0].y, rdata1.Data.size(), 0, 2 * sizeof(float)); + ImPlot::PlotLine("Mouse Y", &rdata2.Data[0].x, &rdata2.Data[0].y, rdata2.Data.size(), 0, 2 * sizeof(float)); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Markers and Text")) { + static float mk_size = ImPlot::GetStyle().MarkerSize; + static float mk_weight = ImPlot::GetStyle().MarkerWeight; + ImGui::DragFloat("Marker Size",&mk_size,0.1f,2.0f,10.0f,"%.2f px"); + ImGui::DragFloat("Marker Weight", &mk_weight,0.05f,0.5f,3.0f,"%.2f px"); + + ImPlot::SetNextPlotLimits(0, 10, 0, 12); + if (ImPlot::BeginPlot("##MarkerStyles", NULL, NULL, ImVec2(-1,0), ImPlotFlags_CanvasOnly, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) { + ImS8 xs[2] = {1,4}; + ImS8 ys[2] = {10,11}; + + // filled markers + for (int m = 0; m < ImPlotMarker_COUNT; ++m) { + ImGui::PushID(m); + ImPlot::SetNextMarkerStyle(m, mk_size, IMPLOT_AUTO_COL, mk_weight); + ImPlot::PlotLine("##Filled", xs, ys, 2); + ImGui::PopID(); + ys[0]--; ys[1]--; + } + xs[0] = 6; xs[1] = 9; ys[0] = 10; ys[1] = 11; + // open markers + for (int m = 0; m < ImPlotMarker_COUNT; ++m) { + ImGui::PushID(m); + ImPlot::SetNextMarkerStyle(m, mk_size, ImVec4(0,0,0,0), mk_weight); + ImPlot::PlotLine("##Open", xs, ys, 2); + ImGui::PopID(); + ys[0]--; ys[1]--; + } + + ImPlot::PlotText("Filled Markers", 2.5f, 6.0f); + ImPlot::PlotText("Open Markers", 7.5f, 6.0f); + + ImPlot::PushStyleColor(ImPlotCol_InlayText, ImVec4(1,0,1,1)); + ImPlot::PlotText("Vertical Text", 5.0f, 6.0f, true); + ImPlot::PopStyleColor(); + + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Log Scale")) { + static double xs[1001], ys1[1001], ys2[1001], ys3[1001]; + for (int i = 0; i < 1001; ++i) { + xs[i] = i*0.1f; + ys1[i] = sin(xs[i]) + 1; + ys2[i] = log(xs[i]); + ys3[i] = pow(10.0, xs[i]); + } + ImGui::BulletText("Open the plot context menu (right click) to change scales."); + + ImPlot::SetNextPlotLimits(0.1, 100, 0, 10); + if (ImPlot::BeginPlot("Log Plot", NULL, NULL, ImVec2(-1,0), 0, ImPlotAxisFlags_LogScale )) { + ImPlot::PlotLine("f(x) = x", xs, xs, 1001); + ImPlot::PlotLine("f(x) = sin(x)+1", xs, ys1, 1001); + ImPlot::PlotLine("f(x) = log(x)", xs, ys2, 1001); + ImPlot::PlotLine("f(x) = 10^x", xs, ys3, 21); + ImPlot::EndPlot(); + } + } + if (ImGui::CollapsingHeader("Time Formatted Axes")) { + + static double t_min = 1609459200; // 01/01/2021 @ 12:00:00am (UTC) + static double t_max = 1640995200; // 01/01/2022 @ 12:00:00am (UTC) + + ImGui::BulletText("When ImPlotAxisFlags_Time is enabled on the X-Axis, values are interpreted as\n" + "UNIX timestamps in seconds and axis labels are formated as date/time."); + ImGui::BulletText("By default, labels are in UTC time but can be set to use local time instead."); + + ImGui::Checkbox("Local Time",&ImPlot::GetStyle().UseLocalTime); + ImGui::SameLine(); + ImGui::Checkbox("ISO 8601",&ImPlot::GetStyle().UseISO8601); + ImGui::SameLine(); + ImGui::Checkbox("24 Hour Clock",&ImPlot::GetStyle().Use24HourClock); + + static HugeTimeData* data = NULL; + if (data == NULL) { + ImGui::SameLine(); + if (ImGui::Button("Generate Huge Data (~500MB!)")) { + static HugeTimeData sdata(t_min); + data = &sdata; + } + } + + ImPlot::SetNextPlotLimits(t_min,t_max,0,1); + if (ImPlot::BeginPlot("##Time", NULL, NULL, ImVec2(-1,0), 0, ImPlotAxisFlags_Time)) { + if (data != NULL) { + // downsample our data + int downsample = (int)ImPlot::GetPlotLimits().X.Size() / 1000 + 1; + int start = (int)(ImPlot::GetPlotLimits().X.Min - t_min); + start = start < 0 ? 0 : start > HugeTimeData::Size - 1 ? HugeTimeData::Size - 1 : start; + int end = (int)(ImPlot::GetPlotLimits().X.Max - t_min) + 1000; + end = end < 0 ? 0 : end > HugeTimeData::Size - 1 ? HugeTimeData::Size - 1 : end; + int size = (end - start)/downsample; + // plot it + ImPlot::PlotLine("Time Series", &data->Ts[start], &data->Ys[start], size, 0, sizeof(double)*downsample); + } + // plot time now + double t_now = (double)time(0); + double y_now = HugeTimeData::GetY(t_now); + ImPlot::PlotScatter("Now",&t_now,&y_now,1); + ImPlot::Annotate(t_now,y_now,ImVec2(10,10),ImPlot::GetLastItemColor(),"Now"); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Multiple Y-Axes")) { + static float xs[1001], xs2[1001], ys1[1001], ys2[1001], ys3[1001]; + for (int i = 0; i < 1001; ++i) { + xs[i] = (i*0.1f); + ys1[i] = sinf(xs[i]) * 3 + 1; + ys2[i] = cosf(xs[i]) * 0.2f + 0.5f; + ys3[i] = sinf(xs[i]+0.5f) * 100 + 200; + xs2[i] = xs[i] + 10.0f; + } + static bool y2_axis = true; + static bool y3_axis = true; + ImGui::Checkbox("Y-Axis 2", &y2_axis); + ImGui::SameLine(); + ImGui::Checkbox("Y-Axis 3", &y3_axis); + ImGui::SameLine(); + + // you can fit axes programatically + ImGui::SameLine(); if (ImGui::Button("Fit X")) ImPlot::FitNextPlotAxes(true, false, false, false); + ImGui::SameLine(); if (ImGui::Button("Fit Y")) ImPlot::FitNextPlotAxes(false, true, false, false); + ImGui::SameLine(); if (ImGui::Button("Fit Y2")) ImPlot::FitNextPlotAxes(false, false, true, false); + ImGui::SameLine(); if (ImGui::Button("Fit Y3")) ImPlot::FitNextPlotAxes(false, false, false, true); + + ImPlot::SetNextPlotLimits(0.1, 100, 0, 10); + ImPlot::SetNextPlotLimitsY(0, 1, ImGuiCond_Once, 1); + ImPlot::SetNextPlotLimitsY(0, 300, ImGuiCond_Once, 2); + if (ImPlot::BeginPlot("Multi-Axis Plot", NULL, "Y-Axis 1", ImVec2(-1,0), + (y2_axis ? ImPlotFlags_YAxis2 : 0) | + (y3_axis ? ImPlotFlags_YAxis3 : 0), + ImPlotAxisFlags_None, ImPlotAxisFlags_None, ImPlotAxisFlags_NoGridLines, ImPlotAxisFlags_NoGridLines, + "Y-Axis 2", "Y-Axis 3")) { + ImPlot::PlotLine("f(x) = x", xs, xs, 1001); + ImPlot::PlotLine("f(x) = sin(x)*3+1", xs, ys1, 1001); + if (y2_axis) { + ImPlot::SetPlotYAxis(ImPlotYAxis_2); + ImPlot::PlotLine("f(x) = cos(x)*.2+.5 (Y2)", xs, ys2, 1001); + } + if (y3_axis) { + ImPlot::SetPlotYAxis(ImPlotYAxis_3); + ImPlot::PlotLine("f(x) = sin(x+.5)*100+200 (Y3)", xs2, ys3, 1001); + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Linked Axes")) { + static double xmin = 0, xmax = 1, ymin = 0, ymax = 1; + static bool linkx = true, linky = true; + int data[2] = {0,1}; + ImGui::Checkbox("Link X", &linkx); + ImGui::SameLine(); + ImGui::Checkbox("Link Y", &linky); + ImPlot::LinkNextPlotLimits(linkx ? &xmin : NULL , linkx ? &xmax : NULL, linky ? &ymin : NULL, linky ? &ymax : NULL); + if (ImPlot::BeginPlot("Plot A")) { + ImPlot::PlotLine("Line",data,2); + ImPlot::EndPlot(); + } + ImPlot::LinkNextPlotLimits(linkx ? &xmin : NULL , linkx ? &xmax : NULL, linky ? &ymin : NULL, linky ? &ymax : NULL); + if (ImPlot::BeginPlot("Plot B")) { + ImPlot::PlotLine("Line",data,2); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Equal Axes")) { + static double xs[1000], ys[1000]; + for (int i = 0; i < 1000; ++i) { + double angle = i * 2 * PI / 999.0; + xs[i] = cos(angle); ys[i] = sin(angle); + } + if (ImPlot::BeginPlot("",0,0,ImVec2(-1,0),ImPlotFlags_Equal)) { + ImPlot::PlotLine("Circle",xs,ys,1000); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Auto-Fitting Data")) { + + ImGui::BulletText("The Y-axis has been configured to auto-fit to only the data visible in X-axis range."); + ImGui::BulletText("Zoom and pan the X-axis. Disable Stems to see a difference in fit."); + ImGui::BulletText("If ImPlotAxisFlags_RangeFit is disabled, the axis will fit ALL data."); + + static ImPlotAxisFlags xflags = ImPlotAxisFlags_None; + static ImPlotAxisFlags yflags = ImPlotAxisFlags_AutoFit|ImPlotAxisFlags_RangeFit; + + ImGui::TextUnformatted("X: "); ImGui::SameLine(); + ImGui::CheckboxFlags("ImPlotAxisFlags_AutoFit##X", (unsigned int*)&xflags, ImPlotAxisFlags_AutoFit); ImGui::SameLine(); + ImGui::CheckboxFlags("ImPlotAxisFlags_RangeFit##X", (unsigned int*)&xflags, ImPlotAxisFlags_RangeFit); + + ImGui::TextUnformatted("Y: "); ImGui::SameLine(); + ImGui::CheckboxFlags("ImPlotAxisFlags_AutoFit##Y", (unsigned int*)&yflags, ImPlotAxisFlags_AutoFit); ImGui::SameLine(); + ImGui::CheckboxFlags("ImPlotAxisFlags_RangeFit##Y", (unsigned int*)&yflags, ImPlotAxisFlags_RangeFit); + + static double data[101]; + srand(0); + for (int i = 0; i < 101; ++i) + data[i] = 1 + sin(i/10.0f); + + if (ImPlot::BeginPlot("##DataFitting","X","Y",ImVec2(-1,0),0,xflags,yflags)) { + ImPlot::PlotLine("Line",data,101); + ImPlot::PlotStems("Stems",data,101); + ImPlot::EndPlot(); + }; + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Querying")) { + static ImVector<ImPlotPoint> data; + static ImPlotLimits range, query, select; + + ImGui::BulletText("Ctrl + click in the plot area to draw points."); + ImGui::BulletText("Middle click (or Ctrl + right click) and drag to create a query rect."); + ImGui::Indent(); + ImGui::BulletText("Hold Alt to expand query horizontally."); + ImGui::BulletText("Hold Shift to expand query vertically."); + ImGui::BulletText("The query rect can be dragged after it's created."); + ImGui::Unindent(); + + if (ImPlot::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Query, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) { + if (ImPlot::IsPlotHovered() && ImGui::IsMouseClicked(0) && ImGui::GetIO().KeyCtrl) { + ImPlotPoint pt = ImPlot::GetPlotMousePos(); + data.push_back(pt); + } + if (data.size() > 0) + ImPlot::PlotScatter("Points", &data[0].x, &data[0].y, data.size(), 0, 2 * sizeof(double)); + if (ImPlot::IsPlotQueried() && data.size() > 0) { + ImPlotLimits range2 = ImPlot::GetPlotQuery(); + int cnt = 0; + ImPlotPoint avg; + for (int i = 0; i < data.size(); ++i) { + if (range2.Contains(data[i].x, data[i].y)) { + avg.x += data[i].x; + avg.y += data[i].y; + cnt++; + } + } + if (cnt > 0) { + avg.x = avg.x / cnt; + avg.y = avg.y / cnt; + ImPlot::SetNextMarkerStyle(ImPlotMarker_Square); + ImPlot::PlotScatter("Average", &avg.x, &avg.y, 1); + } + } + range = ImPlot::GetPlotLimits(); + query = ImPlot::GetPlotQuery(); + select = ImPlot::GetPlotSelection(); + ImPlot::EndPlot(); + } + ImGui::Text("Limits: [%g,%g,%g,%g]", range.X.Min, range.X.Max, range.Y.Min, range.Y.Max); + ImGui::Text("Query: [%g,%g,%g,%g]", query.X.Min, query.X.Max, query.Y.Min, query.Y.Max); + ImGui::Text("Selection: [%g,%g,%g,%g]", select.X.Min, select.X.Max, select.Y.Min, select.Y.Max); + + ImGui::Separator(); + + // mimic's soulthread's imgui_plot demo + static float x_data[512]; + static float y_data1[512]; + static float y_data2[512]; + static float y_data3[512]; + static float sampling_freq = 44100; + static float freq = 500; + for (size_t i = 0; i < 512; ++i) { + const float t = i / sampling_freq; + x_data[i] = t; + const float arg = 2 * 3.14f * freq * t; + y_data1[i] = sinf(arg); + y_data2[i] = y_data1[i] * -0.6f + sinf(2 * arg) * 0.4f; + y_data3[i] = y_data2[i] * -0.6f + sinf(3 * arg) * 0.4f; + } + ImGui::BulletText("Query the first plot to render a subview in the second plot (see above for controls)."); + ImPlotAxisFlags flags = ImPlotAxisFlags_NoTickLabels; + static bool use_selection = false; + ImGui::Checkbox("Use Box Selection",&use_selection); + bool is_viewed = false; + ImPlotLimits view; + ImPlot::SetNextPlotLimits(0,0.01,-1,1); + if (ImPlot::BeginPlot("##View1",NULL,NULL,ImVec2(-1,150), ImPlotFlags_Query, flags, flags)) { + ImPlot::PlotLine("Signal 1", x_data, y_data1, 512); + ImPlot::PlotLine("Signal 2", x_data, y_data2, 512); + ImPlot::PlotLine("Signal 3", x_data, y_data3, 512); + is_viewed = use_selection ? ImPlot::IsPlotSelected() : ImPlot::IsPlotQueried(); + view = use_selection ? ImPlot::GetPlotSelection() : ImPlot::GetPlotQuery(); + ImPlot::EndPlot(); + } + ImPlot::SetNextPlotLimits(view.X.Min, view.X.Max, view.Y.Min, view.Y.Max, ImGuiCond_Always); + if (ImPlot::BeginPlot("##View2",NULL,NULL,ImVec2(-1,150), ImPlotFlags_CanvasOnly, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) { + if (is_viewed) { + ImPlot::PlotLine("Signal 1", x_data, y_data1, 512); + ImPlot::PlotLine("Signal 2", x_data, y_data2, 512); + ImPlot::PlotLine("Signal 3", x_data, y_data3, 512); + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Legend")) { + static ImPlotLocation loc = ImPlotLocation_East; + static bool h = false; static bool o = true; + ImGui::CheckboxFlags("North", (unsigned int*)&loc, ImPlotLocation_North); ImGui::SameLine(); + ImGui::CheckboxFlags("South", (unsigned int*)&loc, ImPlotLocation_South); ImGui::SameLine(); + ImGui::CheckboxFlags("West", (unsigned int*)&loc, ImPlotLocation_West); ImGui::SameLine(); + ImGui::CheckboxFlags("East", (unsigned int*)&loc, ImPlotLocation_East); ImGui::SameLine(); + ImGui::Checkbox("Horizontal##2", &h); ImGui::SameLine(); + ImGui::Checkbox("Outside", &o); + + ImGui::SliderFloat2("LegendPadding", (float*)&GetStyle().LegendPadding, 0.0f, 20.0f, "%.0f"); + ImGui::SliderFloat2("LegendInnerPadding", (float*)&GetStyle().LegendInnerPadding, 0.0f, 10.0f, "%.0f"); + ImGui::SliderFloat2("LegendSpacing", (float*)&GetStyle().LegendSpacing, 0.0f, 5.0f, "%.0f"); + + if (ImPlot::BeginPlot("##Legend","x","y",ImVec2(-1,0))) { + ImPlot::SetLegendLocation(loc, h ? ImPlotOrientation_Horizontal : ImPlotOrientation_Vertical, o); + static MyImPlot::WaveData data1(0.001, 0.2, 2, 0.75); + static MyImPlot::WaveData data2(0.001, 0.2, 4, 0.25); + static MyImPlot::WaveData data3(0.001, 0.2, 6, 0.5); + ImPlot::PlotLineG("Item 1", MyImPlot::SineWave, &data1, 1000); // "Item 1" added to legend + ImPlot::PlotLineG("Item 2##IDText", MyImPlot::SawWave, &data2, 1000); // "Item 2" added to legend, text after ## used for ID only + ImPlot::PlotLineG("##NotListed", MyImPlot::SawWave, &data3, 1000); // plotted, but not added to legend + ImPlot::PlotLineG("Item 3", MyImPlot::SineWave, &data1, 1000); // "Item 3" added to legend + ImPlot::PlotLineG("Item 3", MyImPlot::SawWave, &data2, 1000); // combined with previous "Item 3" + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Drag Lines and Points")) { + ImGui::BulletText("Click and drag the horizontal and vertical lines."); + static double x1 = 0.2; + static double x2 = 0.8; + static double y1 = 0.25; + static double y2 = 0.75; + static double f = 0.1; + static bool show_labels = true; + ImGui::Checkbox("Show Labels##1",&show_labels); + ImPlot::SetNextPlotLimits(0,1,0,1); + if (ImPlot::BeginPlot("##guides",0,0,ImVec2(-1,0),ImPlotFlags_YAxis2)) { + ImPlot::DragLineX("x1",&x1,show_labels); + ImPlot::DragLineX("x2",&x2,show_labels); + ImPlot::DragLineY("y1",&y1,show_labels); + ImPlot::DragLineY("y2",&y2,show_labels); + double xs[1000], ys[1000]; + for (int i = 0; i < 1000; ++i) { + xs[i] = (x2+x1)/2+fabs(x2-x1)*(i/1000.0f - 0.5f); + ys[i] = (y1+y2)/2+fabs(y2-y1)/2*sin(f*i/10); + } + ImPlot::PlotLine("Interactive Data", xs, ys, 1000); + ImPlot::SetPlotYAxis(ImPlotYAxis_2); + ImPlot::DragLineY("f",&f,show_labels,ImVec4(1,0.5f,1,1)); + ImPlot::EndPlot(); + } + ImGui::BulletText("Click and drag any point."); + ImGui::Checkbox("Show Labels##2",&show_labels); + ImPlotAxisFlags flags = ImPlotAxisFlags_NoTickLabels | ImPlotAxisFlags_NoTickMarks; + ImPlot::SetNextPlotLimits(0,1,0,1); + if (ImPlot::BeginPlot("##Bezier",0,0,ImVec2(-1,0),ImPlotFlags_CanvasOnly,flags,flags)) { + static ImPlotPoint P[] = {ImPlotPoint(.05f,.05f), ImPlotPoint(0.2,0.4), ImPlotPoint(0.8,0.6), ImPlotPoint(.95f,.95f)}; + static ImPlotPoint B[100]; + for (int i = 0; i < 100; ++i) { + double t = i / 99.0; + double u = 1 - t; + double w1 = u*u*u; + double w2 = 3*u*u*t; + double w3 = 3*u*t*t; + double w4 = t*t*t; + B[i] = ImPlotPoint(w1*P[0].x + w2*P[1].x + w3*P[2].x + w4*P[3].x, w1*P[0].y + w2*P[1].y + w3*P[2].y + w4*P[3].y); + } + ImPlot::SetNextLineStyle(ImVec4(0,0.9f,0,1), 2); + ImPlot::PlotLine("##bez",&B[0].x, &B[0].y, 100, 0, sizeof(ImPlotPoint)); + ImPlot::SetNextLineStyle(ImVec4(1,0.5f,1,1)); + ImPlot::PlotLine("##h1",&P[0].x, &P[0].y, 2, 0, sizeof(ImPlotPoint)); + ImPlot::SetNextLineStyle(ImVec4(0,0.5f,1,1)); + ImPlot::PlotLine("##h2",&P[2].x, &P[2].y, 2, 0, sizeof(ImPlotPoint)); + ImPlot::DragPoint("P0",&P[0].x,&P[0].y, show_labels, ImVec4(0,0.9f,0,1)); + ImPlot::DragPoint("P1",&P[1].x,&P[1].y, show_labels, ImVec4(1,0.5f,1,1)); + ImPlot::DragPoint("P2",&P[2].x,&P[2].y, show_labels, ImVec4(0,0.5f,1,1)); + ImPlot::DragPoint("P3",&P[3].x,&P[3].y, show_labels, ImVec4(0,0.9f,0,1)); + ImPlot::EndPlot(); + } + } + if (ImGui::CollapsingHeader("Annotations")) { + static bool clamp = false; + ImGui::Checkbox("Clamp",&clamp); + ImPlot::SetNextPlotLimits(0,2,0,1); + if (ImPlot::BeginPlot("##Annotations")) { + + static float p[] = {0.25f, 0.25f, 0.75f, 0.75f, 0.25f}; + ImPlot::PlotScatter("##Points",&p[0],&p[1],4); + ImVec4 col = GetLastItemColor(); + clamp ? ImPlot::AnnotateClamped(0.25,0.25,ImVec2(-15,15),col,"BL") : ImPlot::Annotate(0.25,0.25,ImVec2(-15,15),col,"BL"); + clamp ? ImPlot::AnnotateClamped(0.75,0.25,ImVec2(15,15),col,"BR") : ImPlot::Annotate(0.75,0.25,ImVec2(15,15),col,"BR"); + clamp ? ImPlot::AnnotateClamped(0.75,0.75,ImVec2(15,-15),col,"TR") : ImPlot::Annotate(0.75,0.75,ImVec2(15,-15),col,"TR"); + clamp ? ImPlot::AnnotateClamped(0.25,0.75,ImVec2(-15,-15),col,"TL") : ImPlot::Annotate(0.25,0.75,ImVec2(-15,-15),col,"TL"); + clamp ? ImPlot::AnnotateClamped(0.5,0.5,ImVec2(0,0),col,"Center") : ImPlot::Annotate(0.5,0.5,ImVec2(0,0),col,"Center"); + + float bx[] = {1.2f,1.5f,1.8f}; + float by[] = {0.25f, 0.5f, 0.75f}; + ImPlot::PlotBars("##Bars",bx,by,3,0.2); + for (int i = 0; i < 3; ++i) + ImPlot::Annotate(bx[i],by[i],ImVec2(0,-5),"B[%d]=%.2f",i,by[i]); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Drag and Drop")) { + ImGui::BulletText("Drag/drop items from the left column."); + ImGui::BulletText("Drag/drop items between plots."); + ImGui::Indent(); + ImGui::BulletText("Plot 1 Targets: Plot, Y-Axes, Legend"); + ImGui::BulletText("Plot 1 Sources: Legend Items"); + ImGui::BulletText("Plot 2 Targets: Plot, X-Axis, Y-Axis"); + ImGui::BulletText("Plot 2 Sources: Plot, X-Axis, Y-Axis (hold Ctrl)"); + ImGui::Unindent(); + + // convenience struct to manage DND items; do this however you like + struct MyDndItem { + int Idx; + int Plt; + int Yax; + char Label[16]; + ImVector<ImVec2> Data; + ImVec4 Color; + MyDndItem() { + static int i = 0; + Idx = i++; + Plt = 0; + Yax = ImPlotYAxis_1; + sprintf(Label, "%02d Hz", Idx+1); + Color = RandomColor(); + Data.reserve(1001); + for (int k = 0; k < 1001; ++k) { + float t = k * 1.0f / 999; + Data.push_back(ImVec2(t, 0.5f + 0.5f * sinf(2*3.14f*t*(Idx+1)))); + } + } + void Reset() { Plt = 0; Yax = ImPlotYAxis_1; } + }; + + const int k_dnd = 20; + static MyDndItem dnd[k_dnd]; + static MyDndItem* dndx = NULL; // for plot 2 + static MyDndItem* dndy = NULL; // for plot 2 + + // child window to serve as initial source for our DND items + ImGui::BeginChild("DND_LEFT",ImVec2(100,400)); + if (ImGui::Button("Reset Data", ImVec2(100, 0))) { + for (int k = 0; k < k_dnd; ++k) + dnd[k].Reset(); + dndx = dndy = NULL; + } + for (int k = 0; k < k_dnd; ++k) { + if (dnd[k].Plt > 0) + continue; + ImPlot::ItemIcon(dnd[k].Color); ImGui::SameLine(); + ImGui::Selectable(dnd[k].Label, false, 0, ImVec2(100, 0)); + if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) { + ImGui::SetDragDropPayload("MY_DND", &k, sizeof(int)); + ImPlot::ItemIcon(dnd[k].Color); ImGui::SameLine(); + ImGui::TextUnformatted(dnd[k].Label); + ImGui::EndDragDropSource(); + } + } + ImGui::EndChild(); + if (ImGui::BeginDragDropTarget()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dnd[i].Reset(); + } + ImGui::EndDragDropTarget(); + } + + ImGui::SameLine(); + ImGui::BeginChild("DND_RIGHT",ImVec2(-1,400)); + // plot 1 (time series) + ImPlotAxisFlags flags = ImPlotAxisFlags_NoTickLabels | ImPlotAxisFlags_NoGridLines; + if (ImPlot::BeginPlot("##DND1", NULL, "[drop here]", ImVec2(-1,195), ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3, flags | ImPlotAxisFlags_Lock, flags, flags, flags, "[drop here]", "[drop here]")) { + for (int k = 0; k < k_dnd; ++k) { + if (dnd[k].Plt == 1 && dnd[k].Data.size() > 0) { + ImPlot::SetPlotYAxis(dnd[k].Yax); + ImPlot::SetNextLineStyle(dnd[k].Color); + static char label[32]; + sprintf(label,"%s (Y%d)", dnd[k].Label, dnd[k].Yax+1); + ImPlot::PlotLine(label, &dnd[k].Data[0].x, &dnd[k].Data[0].y, dnd[k].Data.size(), 0, 2 * sizeof(float)); + // allow legend item labels to be DND sources + if (ImPlot::BeginDragDropSourceItem(label)) { + ImGui::SetDragDropPayload("MY_DND", &k, sizeof(int)); + ImPlot::ItemIcon(dnd[k].Color); ImGui::SameLine(); + ImGui::TextUnformatted(dnd[k].Label); + ImPlot::EndDragDropSource(); + } + } + } + // allow the main plot area to be a DND target + if (ImPlot::BeginDragDropTarget()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dnd[i].Plt = 1; dnd[i].Yax = 0; + } + ImPlot::EndDragDropTarget(); + } + // allow each y-axis to be a DND target + for (int y = 0; y < 3; ++y) { + if (ImPlot::BeginDragDropTargetY(y)) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dnd[i].Plt = 1; dnd[i].Yax = y; + } + ImPlot::EndDragDropTarget(); + } + } + // allow the legend to be a DND target + if (ImPlot::BeginDragDropTargetLegend()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dnd[i].Plt = 1; dnd[i].Yax = 0; + } + ImPlot::EndDragDropTarget(); + } + ImPlot::EndPlot(); + } + // plot 2 (Lissajous) + ImPlot::PushStyleColor(ImPlotCol_XAxis, dndx == NULL ? ImPlot::GetStyle().Colors[ImPlotCol_XAxis] : dndx->Color); + ImPlot::PushStyleColor(ImPlotCol_YAxis, dndy == NULL ? ImPlot::GetStyle().Colors[ImPlotCol_YAxis] : dndy->Color); + if (ImPlot::BeginPlot("##DND2", dndx == NULL ? "[drop here]" : dndx->Label, dndy == NULL ? "[drop here]" : dndy->Label, ImVec2(-1,195), 0, flags, flags )) { + if (dndx != NULL && dndy != NULL) { + ImVec4 mixed((dndx->Color.x + dndy->Color.x)/2,(dndx->Color.y + dndy->Color.y)/2,(dndx->Color.z + dndy->Color.z)/2,(dndx->Color.w + dndy->Color.w)/2); + ImPlot::SetNextLineStyle(mixed); + ImPlot::PlotLine("##dndxy", &dndx->Data[0].y, &dndy->Data[0].y, dndx->Data.size(), 0, 2 * sizeof(float)); + } + // allow the x-axis to be a DND target + if (ImPlot::BeginDragDropTargetX()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dndx = &dnd[i]; + } + ImPlot::EndDragDropTarget(); + } + // allow the x-axis to be a DND source + if (dndx != NULL && ImPlot::BeginDragDropSourceX()) { + ImGui::SetDragDropPayload("MY_DND", &dndx->Idx, sizeof(int)); + ImPlot::ItemIcon(dndx->Color); ImGui::SameLine(); + ImGui::TextUnformatted(dndx->Label); + ImPlot::EndDragDropSource(); + } + // allow the y-axis to be a DND target + if (ImPlot::BeginDragDropTargetY()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dndy = &dnd[i]; + } + ImPlot::EndDragDropTarget(); + } + // allow the y-axis to be a DND source + if (dndy != NULL && ImPlot::BeginDragDropSourceY()) { + ImGui::SetDragDropPayload("MY_DND", &dndy->Idx, sizeof(int)); + ImPlot::ItemIcon(dndy->Color); ImGui::SameLine(); + ImGui::TextUnformatted(dndy->Label); + ImPlot::EndDragDropSource(); + } + // allow the plot area to be a DND target + if (ImPlot::BeginDragDropTarget()) { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("MY_DND")) { + int i = *(int*)payload->Data; dndx = dndy = &dnd[i]; + } + } + // allow the plot area to be a DND source + if (ImPlot::BeginDragDropSource()) { + ImGui::TextUnformatted("Yes, you can\ndrag this!"); + ImPlot::EndDragDropSource(); + } + ImPlot::EndPlot(); + } + ImPlot::PopStyleColor(2); + ImGui::EndChild(); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Tables")) { +#ifdef IMGUI_HAS_TABLE + static ImGuiTableFlags flags = ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_RowBg; + static bool anim = true; + static int offset = 0; + ImGui::BulletText("Plots can be used inside of ImGui tables."); + ImGui::Checkbox("Animate",&anim); + if (anim) + offset = (offset + 1) % 100; + if (ImGui::BeginTable("##table", 3, flags, ImVec2(-1,0))) { + ImGui::TableSetupColumn("Electrode", ImGuiTableColumnFlags_WidthFixed, 75.0f); + ImGui::TableSetupColumn("Voltage", ImGuiTableColumnFlags_WidthFixed, 75.0f); + ImGui::TableSetupColumn("EMG Signal"); + ImGui::TableHeadersRow(); + ImPlot::PushColormap(ImPlotColormap_Cool); + for (int row = 0; row < 10; row++) { + ImGui::TableNextRow(); + static float data[100]; + srand(row); + for (int i = 0; i < 100; ++i) + data[i] = RandomRange(0.0f,10.0f); + ImGui::TableSetColumnIndex(0); + ImGui::Text("EMG %d", row); + ImGui::TableSetColumnIndex(1); + ImGui::Text("%.3f V", data[offset]); + ImGui::TableSetColumnIndex(2); + ImGui::PushID(row); + MyImPlot::Sparkline("##spark",data,100,0,11.0f,offset,ImPlot::GetColormapColor(row),ImVec2(-1, 35)); + ImGui::PopID(); + } + ImPlot::PopColormap(); + ImGui::EndTable(); + } +#else + ImGui::BulletText("You need to merge the ImGui 'tables' branch for this section."); +#endif + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Offset and Stride")) { + static const int k_circles = 11; + static const int k_points_per = 50; + static const int k_size = 2 * k_points_per * k_circles; + static double interleaved_data[k_size]; + for (int p = 0; p < k_points_per; ++p) { + for (int c = 0; c < k_circles; ++c) { + double r = (double)c / (k_circles - 1) * 0.2 + 0.2; + interleaved_data[p*2*k_circles + 2*c + 0] = 0.5 + r * cos((double)p/k_points_per * 6.28); + interleaved_data[p*2*k_circles + 2*c + 1] = 0.5 + r * sin((double)p/k_points_per * 6.28); + } + } + static int offset = 0; + ImGui::BulletText("Offsetting is useful for realtime plots (see above) and circular buffers."); + ImGui::BulletText("Striding is useful for interleaved data (e.g. audio) or plotting structs."); + ImGui::BulletText("Here, all circle data is stored in a single interleaved buffer:"); + ImGui::BulletText("[c0.x0 c0.y0 ... cn.x0 cn.y0 c0.x1 c0.y1 ... cn.x1 cn.y1 ... cn.xm cn.ym]"); + ImGui::BulletText("The offset value indicates which circle point index is considered the first."); + ImGui::BulletText("Offsets can be negative and/or larger than the actual data count."); + ImGui::SliderInt("Offset", &offset, -2*k_points_per, 2*k_points_per); + if (ImPlot::BeginPlot("##strideoffset",0,0,ImVec2(-1,0), ImPlotFlags_Equal)) { + ImPlot::PushColormap(ImPlotColormap_Jet); + char buff[16]; + for (int c = 0; c < k_circles; ++c) { + sprintf(buff, "Circle %d", c); + ImPlot::PlotLine(buff, &interleaved_data[c*2 + 0], &interleaved_data[c*2 + 1], k_points_per, offset, 2*k_circles*sizeof(double)); + } + ImPlot::EndPlot(); + ImPlot::PopColormap(); + } + // offset++; uncomment for animation! + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Data and Getters")) { + ImGui::BulletText("You can plot custom structs using the stride feature."); + ImGui::BulletText("Most plotters can also be passed a function pointer for getting data."); + ImGui::Indent(); + ImGui::BulletText("You can optionally pass user data to be given to your getter function."); + ImGui::BulletText("C++ lambdas can be passed as function pointers as well!"); + ImGui::Unindent(); + + MyImPlot::Vector2f vec2_data[2] = { MyImPlot::Vector2f(0,0), MyImPlot::Vector2f(1,1) }; + + if (ImPlot::BeginPlot("##Custom Data")) { + + // custom structs using stride example: + ImPlot::PlotLine("Vector2f", &vec2_data[0].x, &vec2_data[0].y, 2, 0, sizeof(MyImPlot::Vector2f) /* or sizeof(float) * 2 */); + + // custom getter example 1: + ImPlot::PlotLineG("Spiral", MyImPlot::Spiral, NULL, 1000); + + // custom getter example 2: + static MyImPlot::WaveData data1(0.001, 0.2, 2, 0.75); + static MyImPlot::WaveData data2(0.001, 0.2, 4, 0.25); + ImPlot::PlotLineG("Waves", MyImPlot::SineWave, &data1, 1000); + ImPlot::PlotLineG("Waves", MyImPlot::SawWave, &data2, 1000); + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f); + ImPlot::PlotShadedG("Waves", MyImPlot::SineWave, &data1, MyImPlot::SawWave, &data2, 1000); + ImPlot::PopStyleVar(); + + // you can also pass C++ lambdas: + // auto lamda = [](void* data, int idx) { ... return ImPlotPoint(x,y); }; + // ImPlot::PlotLine("My Lambda", lambda, data, 1000); + + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Ticks##")) { + static bool custom_fmt = true; + static bool custom_ticks = false; + static bool custom_labels = true; + ImGui::Checkbox("Show Custom Format", &custom_fmt); + ImGui::SameLine(); + ImGui::Checkbox("Show Custom Ticks", &custom_ticks); + if (custom_ticks) { + ImGui::SameLine(); + ImGui::Checkbox("Show Custom Labels", &custom_labels); + } + double pi = 3.14; + const char* pi_str[] = {"PI"}; + static double yticks[] = {1,3,7,9}; + static const char* ylabels[] = {"One","Three","Seven","Nine"}; + static double yticks_aux[] = {0.2,0.4,0.6}; + static const char* ylabels_aux[] = {"A","B","C","D","E","F"}; + if (custom_fmt) { + ImPlot::SetNextPlotFormatX("%g ms"); + ImPlot::SetNextPlotFormatY("%g Hz", ImPlotYAxis_1); + ImPlot::SetNextPlotFormatY("%g dB", ImPlotYAxis_2); + ImPlot::SetNextPlotFormatY("%g km", ImPlotYAxis_3); + } + if (custom_ticks) { + ImPlot::SetNextPlotTicksX(&pi,1,custom_labels ? pi_str : NULL, true); + ImPlot::SetNextPlotTicksY(yticks, 4, custom_labels ? ylabels : NULL, ImPlotYAxis_1); + ImPlot::SetNextPlotTicksY(yticks_aux, 3, custom_labels ? ylabels_aux : NULL, false, ImPlotYAxis_2); + ImPlot::SetNextPlotTicksY(0, 1, 6, custom_labels ? ylabels_aux : NULL, false, ImPlotYAxis_3); + } + ImPlot::SetNextPlotLimits(2.5,5,0,10); + if (ImPlot::BeginPlot("Custom Ticks", NULL, NULL, ImVec2(-1,0), ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3)) { + // nothing to see here, just the ticks + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Styles")) { + ImPlot::PushColormap(ImPlotColormap_Deep); + // normally you wouldn't change the entire style each frame + ImPlotStyle backup = ImPlot::GetStyle(); + MyImPlot::StyleSeaborn(); + ImPlot::SetNextPlotLimits(-0.5f, 9.5f, 0, 10); + if (ImPlot::BeginPlot("seaborn style", "x-axis", "y-axis")) { + unsigned int lin[10] = {8,8,9,7,8,8,8,9,7,8}; + unsigned int bar[10] = {1,2,5,3,4,1,2,5,3,4}; + unsigned int dot[10] = {7,6,6,7,8,5,6,5,8,7}; + ImPlot::PlotBars("Bars", bar, 10, 0.5f); + ImPlot::PlotLine("Line", lin, 10); + ImPlot::NextColormapColor(); // skip green + ImPlot::PlotScatter("Scatter", dot, 10); + ImPlot::EndPlot(); + } + ImPlot::GetStyle() = backup; + ImPlot::PopColormap(); + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Rendering")) { + if (ImPlot::BeginPlot("##CustomRend")) { + ImVec2 cntr = ImPlot::PlotToPixels(ImPlotPoint(0.5f, 0.5f)); + ImVec2 rmin = ImPlot::PlotToPixels(ImPlotPoint(0.25f, 0.75f)); + ImVec2 rmax = ImPlot::PlotToPixels(ImPlotPoint(0.75f, 0.25f)); + ImPlot::PushPlotClipRect(); + ImPlot::GetPlotDrawList()->AddCircleFilled(cntr,20,IM_COL32(255,255,0,255),20); + ImPlot::GetPlotDrawList()->AddRect(rmin, rmax, IM_COL32(128,0,255,255)); + ImPlot::PopPlotClipRect(); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Context Menus")) { + ImGui::BulletText("You can implement legend context menus to inject per-item controls and widgets."); + ImGui::BulletText("Right click the legend label/icon to edit custom item attributes."); + + static float frequency = 0.1f; + static float amplitude = 0.5f; + static ImVec4 color = ImVec4(1,1,0,1); + static float alpha = 1.0f; + static bool line = false; + static float thickness = 1; + static bool markers = false; + static bool shaded = false; + + static float vals[101]; + for (int i = 0; i < 101; ++i) + vals[i] = amplitude * sinf(frequency * i); + + ImPlot::SetNextPlotLimits(0,100,-1,1); + if (ImPlot::BeginPlot("Right Click the Legend")) { + // rendering logic + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, alpha); + if (!line) { + ImPlot::SetNextFillStyle(color); + ImPlot::PlotBars("Right Click Me", vals, 101); + } + else { + if (markers) ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle); + ImPlot::SetNextLineStyle(color, thickness); + ImPlot::PlotLine("Right Click Me", vals, 101); + if (shaded) ImPlot::PlotShaded("Right Click Me",vals,101); + } + ImPlot::PopStyleVar(); + // custom legend context menu + if (ImPlot::BeginLegendPopup("Right Click Me")) { + ImGui::SliderFloat("Frequency",&frequency,0,1,"%0.2f"); + ImGui::SliderFloat("Amplitude",&litude,0,1,"%0.2f"); + ImGui::Separator(); + ImGui::ColorEdit3("Color",&color.x); + ImGui::SliderFloat("Transparency",&alpha,0,1,"%.2f"); + ImGui::Checkbox("Line Plot", &line); + if (line) { + ImGui::SliderFloat("Thickness", &thickness, 0, 5); + ImGui::Checkbox("Markers", &markers); + ImGui::Checkbox("Shaded",&shaded); + } + ImPlot::EndLegendPopup(); + } + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + if (ImGui::CollapsingHeader("Custom Plotters and Tooltips")) { + ImGui::BulletText("You can create custom plotters or extend ImPlot using implot_internal.h."); + double dates[] = {1546300800,1546387200,1546473600,1546560000,1546819200,1546905600,1546992000,1547078400,1547164800,1547424000,1547510400,1547596800,1547683200,1547769600,1547942400,1548028800,1548115200,1548201600,1548288000,1548374400,1548633600,1548720000,1548806400,1548892800,1548979200,1549238400,1549324800,1549411200,1549497600,1549584000,1549843200,1549929600,1550016000,1550102400,1550188800,1550361600,1550448000,1550534400,1550620800,1550707200,1550793600,1551052800,1551139200,1551225600,1551312000,1551398400,1551657600,1551744000,1551830400,1551916800,1552003200,1552262400,1552348800,1552435200,1552521600,1552608000,1552867200,1552953600,1553040000,1553126400,1553212800,1553472000,1553558400,1553644800,1553731200,1553817600,1554076800,1554163200,1554249600,1554336000,1554422400,1554681600,1554768000,1554854400,1554940800,1555027200,1555286400,1555372800,1555459200,1555545600,1555632000,1555891200,1555977600,1556064000,1556150400,1556236800,1556496000,1556582400,1556668800,1556755200,1556841600,1557100800,1557187200,1557273600,1557360000,1557446400,1557705600,1557792000,1557878400,1557964800,1558051200,1558310400,1558396800,1558483200,1558569600,1558656000,1558828800,1558915200,1559001600,1559088000,1559174400,1559260800,1559520000,1559606400,1559692800,1559779200,1559865600,1560124800,1560211200,1560297600,1560384000,1560470400,1560729600,1560816000,1560902400,1560988800,1561075200,1561334400,1561420800,1561507200,1561593600,1561680000,1561939200,1562025600,1562112000,1562198400,1562284800,1562544000,1562630400,1562716800,1562803200,1562889600,1563148800,1563235200,1563321600,1563408000,1563494400,1563753600,1563840000,1563926400,1564012800,1564099200,1564358400,1564444800,1564531200,1564617600,1564704000,1564963200,1565049600,1565136000,1565222400,1565308800,1565568000,1565654400,1565740800,1565827200,1565913600,1566172800,1566259200,1566345600,1566432000,1566518400,1566777600,1566864000,1566950400,1567036800,1567123200,1567296000,1567382400,1567468800,1567555200,1567641600,1567728000,1567987200,1568073600,1568160000,1568246400,1568332800,1568592000,1568678400,1568764800,1568851200,1568937600,1569196800,1569283200,1569369600,1569456000,1569542400,1569801600,1569888000,1569974400,1570060800,1570147200,1570406400,1570492800,1570579200,1570665600,1570752000,1571011200,1571097600,1571184000,1571270400,1571356800,1571616000,1571702400,1571788800,1571875200,1571961600}; + double opens[] = {1284.7,1319.9,1318.7,1328,1317.6,1321.6,1314.3,1325,1319.3,1323.1,1324.7,1321.3,1323.5,1322,1281.3,1281.95,1311.1,1315,1314,1313.1,1331.9,1334.2,1341.3,1350.6,1349.8,1346.4,1343.4,1344.9,1335.6,1337.9,1342.5,1337,1338.6,1337,1340.4,1324.65,1324.35,1349.5,1371.3,1367.9,1351.3,1357.8,1356.1,1356,1347.6,1339.1,1320.6,1311.8,1314,1312.4,1312.3,1323.5,1319.1,1327.2,1332.1,1320.3,1323.1,1328,1330.9,1338,1333,1335.3,1345.2,1341.1,1332.5,1314,1314.4,1310.7,1314,1313.1,1315,1313.7,1320,1326.5,1329.2,1314.2,1312.3,1309.5,1297.4,1293.7,1277.9,1295.8,1295.2,1290.3,1294.2,1298,1306.4,1299.8,1302.3,1297,1289.6,1302,1300.7,1303.5,1300.5,1303.2,1306,1318.7,1315,1314.5,1304.1,1294.7,1293.7,1291.2,1290.2,1300.4,1284.2,1284.25,1301.8,1295.9,1296.2,1304.4,1323.1,1340.9,1341,1348,1351.4,1351.4,1343.5,1342.3,1349,1357.6,1357.1,1354.7,1361.4,1375.2,1403.5,1414.7,1433.2,1438,1423.6,1424.4,1418,1399.5,1435.5,1421.25,1434.1,1412.4,1409.8,1412.2,1433.4,1418.4,1429,1428.8,1420.6,1441,1460.4,1441.7,1438.4,1431,1439.3,1427.4,1431.9,1439.5,1443.7,1425.6,1457.5,1451.2,1481.1,1486.7,1512.1,1515.9,1509.2,1522.3,1513,1526.6,1533.9,1523,1506.3,1518.4,1512.4,1508.8,1545.4,1537.3,1551.8,1549.4,1536.9,1535.25,1537.95,1535.2,1556,1561.4,1525.6,1516.4,1507,1493.9,1504.9,1506.5,1513.1,1506.5,1509.7,1502,1506.8,1521.5,1529.8,1539.8,1510.9,1511.8,1501.7,1478,1485.4,1505.6,1511.6,1518.6,1498.7,1510.9,1510.8,1498.3,1492,1497.7,1484.8,1494.2,1495.6,1495.6,1487.5,1491.1,1495.1,1506.4}; + double highs[] = {1284.75,1320.6,1327,1330.8,1326.8,1321.6,1326,1328,1325.8,1327.1,1326,1326,1323.5,1322.1,1282.7,1282.95,1315.8,1316.3,1314,1333.2,1334.7,1341.7,1353.2,1354.6,1352.2,1346.4,1345.7,1344.9,1340.7,1344.2,1342.7,1342.1,1345.2,1342,1350,1324.95,1330.75,1369.6,1374.3,1368.4,1359.8,1359,1357,1356,1353.4,1340.6,1322.3,1314.1,1316.1,1312.9,1325.7,1323.5,1326.3,1336,1332.1,1330.1,1330.4,1334.7,1341.1,1344.2,1338.8,1348.4,1345.6,1342.8,1334.7,1322.3,1319.3,1314.7,1316.6,1316.4,1315,1325.4,1328.3,1332.2,1329.2,1316.9,1312.3,1309.5,1299.6,1296.9,1277.9,1299.5,1296.2,1298.4,1302.5,1308.7,1306.4,1305.9,1307,1297.2,1301.7,1305,1305.3,1310.2,1307,1308,1319.8,1321.7,1318.7,1316.2,1305.9,1295.8,1293.8,1293.7,1304.2,1302,1285.15,1286.85,1304,1302,1305.2,1323,1344.1,1345.2,1360.1,1355.3,1363.8,1353,1344.7,1353.6,1358,1373.6,1358.2,1369.6,1377.6,1408.9,1425.5,1435.9,1453.7,1438,1426,1439.1,1418,1435,1452.6,1426.65,1437.5,1421.5,1414.1,1433.3,1441.3,1431.4,1433.9,1432.4,1440.8,1462.3,1467,1443.5,1444,1442.9,1447,1437.6,1440.8,1445.7,1447.8,1458.2,1461.9,1481.8,1486.8,1522.7,1521.3,1521.1,1531.5,1546.1,1534.9,1537.7,1538.6,1523.6,1518.8,1518.4,1514.6,1540.3,1565,1554.5,1556.6,1559.8,1541.9,1542.9,1540.05,1558.9,1566.2,1561.9,1536.2,1523.8,1509.1,1506.2,1532.2,1516.6,1519.7,1515,1519.5,1512.1,1524.5,1534.4,1543.3,1543.3,1542.8,1519.5,1507.2,1493.5,1511.4,1525.8,1522.2,1518.8,1515.3,1518,1522.3,1508,1501.5,1503,1495.5,1501.1,1497.9,1498.7,1492.1,1499.4,1506.9,1520.9}; + double lows[] = {1282.85,1315,1318.7,1309.6,1317.6,1312.9,1312.4,1319.1,1319,1321,1318.1,1321.3,1319.9,1312,1280.5,1276.15,1308,1309.9,1308.5,1312.3,1329.3,1333.1,1340.2,1347,1345.9,1338,1340.8,1335,1332,1337.9,1333,1336.8,1333.2,1329.9,1340.4,1323.85,1324.05,1349,1366.3,1351.2,1349.1,1352.4,1350.7,1344.3,1338.9,1316.3,1308.4,1306.9,1309.6,1306.7,1312.3,1315.4,1319,1327.2,1317.2,1320,1323,1328,1323,1327.8,1331.7,1335.3,1336.6,1331.8,1311.4,1310,1309.5,1308,1310.6,1302.8,1306.6,1313.7,1320,1322.8,1311,1312.1,1303.6,1293.9,1293.5,1291,1277.9,1294.1,1286,1289.1,1293.5,1296.9,1298,1299.6,1292.9,1285.1,1288.5,1296.3,1297.2,1298.4,1298.6,1302,1300.3,1312,1310.8,1301.9,1292,1291.1,1286.3,1289.2,1289.9,1297.4,1283.65,1283.25,1292.9,1295.9,1290.8,1304.2,1322.7,1336.1,1341,1343.5,1345.8,1340.3,1335.1,1341.5,1347.6,1352.8,1348.2,1353.7,1356.5,1373.3,1398,1414.7,1427,1416.4,1412.7,1420.1,1396.4,1398.8,1426.6,1412.85,1400.7,1406,1399.8,1404.4,1415.5,1417.2,1421.9,1415,1413.7,1428.1,1434,1435.7,1427.5,1429.4,1423.9,1425.6,1427.5,1434.8,1422.3,1412.1,1442.5,1448.8,1468.2,1484.3,1501.6,1506.2,1498.6,1488.9,1504.5,1518.3,1513.9,1503.3,1503,1506.5,1502.1,1503,1534.8,1535.3,1541.4,1528.6,1525.6,1535.25,1528.15,1528,1542.6,1514.3,1510.7,1505.5,1492.1,1492.9,1496.8,1493.1,1503.4,1500.9,1490.7,1496.3,1505.3,1505.3,1517.9,1507.4,1507.1,1493.3,1470.5,1465,1480.5,1501.7,1501.4,1493.3,1492.1,1505.1,1495.7,1478,1487.1,1480.8,1480.6,1487,1488.3,1484.8,1484,1490.7,1490.4,1503.1}; + double closes[] = {1283.35,1315.3,1326.1,1317.4,1321.5,1317.4,1323.5,1319.2,1321.3,1323.3,1319.7,1325.1,1323.6,1313.8,1282.05,1279.05,1314.2,1315.2,1310.8,1329.1,1334.5,1340.2,1340.5,1350,1347.1,1344.3,1344.6,1339.7,1339.4,1343.7,1337,1338.9,1340.1,1338.7,1346.8,1324.25,1329.55,1369.6,1372.5,1352.4,1357.6,1354.2,1353.4,1346,1341,1323.8,1311.9,1309.1,1312.2,1310.7,1324.3,1315.7,1322.4,1333.8,1319.4,1327.1,1325.8,1330.9,1325.8,1331.6,1336.5,1346.7,1339.2,1334.7,1313.3,1316.5,1312.4,1313.4,1313.3,1312.2,1313.7,1319.9,1326.3,1331.9,1311.3,1313.4,1309.4,1295.2,1294.7,1294.1,1277.9,1295.8,1291.2,1297.4,1297.7,1306.8,1299.4,1303.6,1302.2,1289.9,1299.2,1301.8,1303.6,1299.5,1303.2,1305.3,1319.5,1313.6,1315.1,1303.5,1293,1294.6,1290.4,1291.4,1302.7,1301,1284.15,1284.95,1294.3,1297.9,1304.1,1322.6,1339.3,1340.1,1344.9,1354,1357.4,1340.7,1342.7,1348.2,1355.1,1355.9,1354.2,1362.1,1360.1,1408.3,1411.2,1429.5,1430.1,1426.8,1423.4,1425.1,1400.8,1419.8,1432.9,1423.55,1412.1,1412.2,1412.8,1424.9,1419.3,1424.8,1426.1,1423.6,1435.9,1440.8,1439.4,1439.7,1434.5,1436.5,1427.5,1432.2,1433.3,1441.8,1437.8,1432.4,1457.5,1476.5,1484.2,1519.6,1509.5,1508.5,1517.2,1514.1,1527.8,1531.2,1523.6,1511.6,1515.7,1515.7,1508.5,1537.6,1537.2,1551.8,1549.1,1536.9,1529.4,1538.05,1535.15,1555.9,1560.4,1525.5,1515.5,1511.1,1499.2,1503.2,1507.4,1499.5,1511.5,1513.4,1515.8,1506.2,1515.1,1531.5,1540.2,1512.3,1515.2,1506.4,1472.9,1489,1507.9,1513.8,1512.9,1504.4,1503.9,1512.8,1500.9,1488.7,1497.6,1483.5,1494,1498.3,1494.1,1488.1,1487.5,1495.7,1504.7,1505.3}; + static bool tooltip = true; + ImGui::Checkbox("Show Tooltip", &tooltip); + ImGui::SameLine(); + static ImVec4 bullCol = ImVec4(0.000f, 1.000f, 0.441f, 1.000f); + static ImVec4 bearCol = ImVec4(0.853f, 0.050f, 0.310f, 1.000f); + ImGui::SameLine(); ImGui::ColorEdit4("##Bull", &bullCol.x, ImGuiColorEditFlags_NoInputs); + ImGui::SameLine(); ImGui::ColorEdit4("##Bear", &bearCol.x, ImGuiColorEditFlags_NoInputs); + ImPlot::GetStyle().UseLocalTime = false; + ImPlot::SetNextPlotFormatY("$%.0f"); + ImPlot::SetNextPlotLimits(1546300800, 1571961600, 1250, 1600); + if (ImPlot::BeginPlot("Candlestick Chart",NULL,NULL,ImVec2(-1,0),0,ImPlotAxisFlags_Time,ImPlotAxisFlags_AutoFit|ImPlotAxisFlags_RangeFit)) { + MyImPlot::PlotCandlestick("GOOGL",dates, opens, closes, lows, highs, 218, tooltip, 0.25f, bullCol, bearCol); + ImPlot::EndPlot(); + } + } + //------------------------------------------------------------------------- + ImGui::End(); +} + +} // namespace ImPlot + +namespace MyImPlot { + +ImPlotPoint SineWave(void* data , int idx) { + WaveData* wd = (WaveData*)data; + double x = idx * wd->X; + return ImPlotPoint(x, wd->Offset + wd->Amp * sin(2 * 3.14 * wd->Freq * x)); +} + +ImPlotPoint SawWave(void* data, int idx) { + WaveData* wd = (WaveData*)data; + double x = idx * wd->X; + return ImPlotPoint(x, wd->Offset + wd->Amp * (-2 / 3.14 * atan(cos(3.14 * wd->Freq * x) / sin(3.14 * wd->Freq * x)))); +} + +ImPlotPoint Spiral(void*, int idx) { + float r = 0.9f; // outer radius + float a = 0; // inner radius + float b = 0.05f; // increment per rev + float n = (r - a) / b; // number of revolutions + double th = 2 * n * 3.14; // angle + float Th = float(th * idx / (1000 - 1)); + return ImPlotPoint(0.5f+(a + b*Th / (2.0f * (float) 3.14))*cos(Th), + 0.5f + (a + b*Th / (2.0f * (float)3.14))*sin(Th)); +} + +// Example for Tables section. Generates a quick and simple shaded line plot. See implementation at bottom. +void Sparkline(const char* id, const float* values, int count, float min_v, float max_v, int offset, const ImVec4& col, const ImVec2& size) { + ImPlot::PushStyleVar(ImPlotStyleVar_PlotPadding, ImVec2(0,0)); + ImPlot::SetNextPlotLimits(0, count - 1, min_v, max_v, ImGuiCond_Always); + if (ImPlot::BeginPlot(id,0,0,size,ImPlotFlags_CanvasOnly|ImPlotFlags_NoChild,ImPlotAxisFlags_NoDecorations,ImPlotAxisFlags_NoDecorations)) { + ImPlot::PushStyleColor(ImPlotCol_Line, col); + ImPlot::PlotLine(id, values, count, 1, 0, offset); + ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f); + ImPlot::PlotShaded(id, values, count, 0, 1, 0, offset); + ImPlot::PopStyleVar(); + ImPlot::PopStyleColor(); + ImPlot::EndPlot(); + } + ImPlot::PopStyleVar(); +} + +void StyleSeaborn() { + + ImPlotStyle& style = ImPlot::GetStyle(); + + ImVec4* colors = style.Colors; + colors[ImPlotCol_Line] = IMPLOT_AUTO_COL; + colors[ImPlotCol_Fill] = IMPLOT_AUTO_COL; + colors[ImPlotCol_MarkerOutline] = IMPLOT_AUTO_COL; + colors[ImPlotCol_MarkerFill] = IMPLOT_AUTO_COL; + colors[ImPlotCol_ErrorBar] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImPlotCol_PlotBg] = ImVec4(0.92f, 0.92f, 0.95f, 1.00f); + colors[ImPlotCol_PlotBorder] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImPlotCol_LegendBg] = ImVec4(0.92f, 0.92f, 0.95f, 1.00f); + colors[ImPlotCol_LegendBorder] = ImVec4(0.80f, 0.81f, 0.85f, 1.00f); + colors[ImPlotCol_LegendText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_TitleText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_InlayText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_XAxis] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_XAxisGrid] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImPlotCol_YAxis] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_YAxisGrid] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImPlotCol_YAxis2] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_YAxisGrid2] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImPlotCol_YAxis3] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImPlotCol_YAxisGrid3] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImPlotCol_Selection] = ImVec4(1.00f, 0.65f, 0.00f, 1.00f); + colors[ImPlotCol_Query] = ImVec4(0.23f, 0.10f, 0.64f, 1.00f); + colors[ImPlotCol_Crosshairs] = ImVec4(0.23f, 0.10f, 0.64f, 0.50f); + + style.LineWeight = 1.5; + style.Marker = ImPlotMarker_None; + style.MarkerSize = 4; + style.MarkerWeight = 1; + style.FillAlpha = 1.0f; + style.ErrorBarSize = 5; + style.ErrorBarWeight = 1.5f; + style.DigitalBitHeight = 8; + style.DigitalBitGap = 4; + style.PlotBorderSize = 0; + style.MinorAlpha = 1.0f; + style.MajorTickLen = ImVec2(0,0); + style.MinorTickLen = ImVec2(0,0); + style.MajorTickSize = ImVec2(0,0); + style.MinorTickSize = ImVec2(0,0); + style.MajorGridSize = ImVec2(1.2f,1.2f); + style.MinorGridSize = ImVec2(1.2f,1.2f); + style.PlotPadding = ImVec2(12,12); + style.LabelPadding = ImVec2(5,5); + style.LegendPadding = ImVec2(5,5); + style.MousePosPadding = ImVec2(5,5); + style.PlotMinSize = ImVec2(300,225); +} + +} // namespaece MyImPlot + +// WARNING: +// +// You can use "implot_internal.h" to build custom plotting fuctions or extend ImPlot. +// However, note that forward compatibility of this file is not guaranteed and the +// internal API is subject to change. At some point we hope to bring more of this +// into the public API and expose the necessary building blocks to fully support +// custom plotters. For now, proceed at your own risk! + +#include "implot_internal.h" + +namespace MyImPlot { + +template <typename T> +int BinarySearch(const T* arr, int l, int r, T x) { + if (r >= l) { + int mid = l + (r - l) / 2; + if (arr[mid] == x) + return mid; + if (arr[mid] > x) + return BinarySearch(arr, l, mid - 1, x); + return BinarySearch(arr, mid + 1, r, x); + } + return -1; +} + +void PlotCandlestick(const char* label_id, const double* xs, const double* opens, const double* closes, const double* lows, const double* highs, int count, bool tooltip, float width_percent, ImVec4 bullCol, ImVec4 bearCol) { + + // get ImGui window DrawList + ImDrawList* draw_list = ImPlot::GetPlotDrawList(); + // calc real value width + double half_width = count > 1 ? (xs[1] - xs[0]) * width_percent : width_percent; + + // custom tool + if (ImPlot::IsPlotHovered() && tooltip) { + ImPlotPoint mouse = ImPlot::GetPlotMousePos(); + mouse.x = ImPlot::RoundTime(ImPlotTime::FromDouble(mouse.x), ImPlotTimeUnit_Day).ToDouble(); + float tool_l = ImPlot::PlotToPixels(mouse.x - half_width * 1.5, mouse.y).x; + float tool_r = ImPlot::PlotToPixels(mouse.x + half_width * 1.5, mouse.y).x; + float tool_t = ImPlot::GetPlotPos().y; + float tool_b = tool_t + ImPlot::GetPlotSize().y; + ImPlot::PushPlotClipRect(); + draw_list->AddRectFilled(ImVec2(tool_l, tool_t), ImVec2(tool_r, tool_b), IM_COL32(128,128,128,64)); + ImPlot::PopPlotClipRect(); + // find mouse location index + int idx = BinarySearch(xs, 0, count - 1, mouse.x); + // render tool tip (won't be affected by plot clip rect) + if (idx != -1) { + ImGui::BeginTooltip(); + char buff[32]; + ImPlot::FormatDate(ImPlotTime::FromDouble(xs[idx]),buff,32,ImPlotDateFmt_DayMoYr,ImPlot::GetStyle().UseISO8601); + ImGui::Text("Day: %s", buff); + ImGui::Text("Open: $%.2f", opens[idx]); + ImGui::Text("Close: $%.2f", closes[idx]); + ImGui::Text("Low: $%.2f", lows[idx]); + ImGui::Text("High: $%.2f", highs[idx]); + ImGui::EndTooltip(); + } + } + + // begin plot item + if (ImPlot::BeginItem(label_id)) { + // override legend icon color + ImPlot::GetCurrentItem()->Color = IM_COL32(64,64,64,255); + // fit data if requested + if (ImPlot::FitThisFrame()) { + for (int i = 0; i < count; ++i) { + ImPlot::FitPoint(ImPlotPoint(xs[i], lows[i])); + ImPlot::FitPoint(ImPlotPoint(xs[i], highs[i])); + } + } + // render data + for (int i = 0; i < count; ++i) { + ImVec2 open_pos = ImPlot::PlotToPixels(xs[i] - half_width, opens[i]); + ImVec2 close_pos = ImPlot::PlotToPixels(xs[i] + half_width, closes[i]); + ImVec2 low_pos = ImPlot::PlotToPixels(xs[i], lows[i]); + ImVec2 high_pos = ImPlot::PlotToPixels(xs[i], highs[i]); + ImU32 color = ImGui::GetColorU32(opens[i] > closes[i] ? bearCol : bullCol); + draw_list->AddLine(low_pos, high_pos, color); + draw_list->AddRectFilled(open_pos, close_pos, color); + } + + // end plot item + ImPlot::EndItem(); + } +} + +} // namespace MyImplot + +namespace ImPlot { + +//----------------------------------------------------------------------------- +// BENCHMARK +//----------------------------------------------------------------------------- + +struct BenchData { + BenchData() { + float y = RandomRange(0.0f,1.0f); + Data = new float[1000]; + for (int i = 0; i < 1000; ++i) { + Data[i] = y + RandomRange(-0.01f,0.01f); + } + Col = ImVec4(RandomRange(0.0f,1.0f),RandomRange(0.0f,1.0f),RandomRange(0.0f,1.0f),0.5f); + } + ~BenchData() { delete[] Data; } + float* Data; + ImVec4 Col; +}; + +enum BenchMode { + Line = 0, + Shaded = 1, + Scatter = 2, + Bars = 3 +}; + +struct BenchRecord { + int Mode; + bool AA; + ImVector<ImPlotPoint> Data; +}; + +void ShowBenchmarkTool() { + static const int max_items = 500; + static BenchData items[max_items]; + static bool running = false; + static int frames = 60; + static int L = 0; + static int F = 0; + static double t1, t2; + static int mode = BenchMode::Line; + const char* names[] = {"Line","Shaded","Scatter","Bars"}; + + static ImVector<BenchRecord> records; + + if (running) { + F++; + if (F == frames) { + t2 = ImGui::GetTime(); + records.back().Data.push_back(ImPlotPoint(L, frames / (t2 - t1))); + L += 5; + F = 0; + t1 = ImGui::GetTime(); + } + if (L > max_items) { + running = false; + L = max_items; + } + } + + ImGui::Text("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8)); + ImGui::Text("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False"); + ImGui::Text("%.2f FPS", ImGui::GetIO().Framerate); + + ImGui::Separator(); + + bool was_running = running; + if (was_running) { + ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true); + ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.25f); + } + if (ImGui::Button("Benchmark")) { + running = true; + L = F = 0; + records.push_back(BenchRecord()); + records.back().Data.reserve(max_items+1); + records.back().Mode = mode; + records.back().AA = ImPlot::GetStyle().AntiAliasedLines; + t1 = ImGui::GetTime(); + } + ImGui::SameLine(); + ImGui::SetNextItemWidth(200); + ImGui::Combo("##Mode",&mode,names,4); + ImGui::SameLine(); + + ImGui::Checkbox("Anti-Aliased Lines", &ImPlot::GetStyle().AntiAliasedLines); + if (was_running) { ImGui::PopItemFlag(); ImGui::PopStyleVar(); } + + ImGui::ProgressBar((float)L / (float)(max_items - 1)); + + ImPlot::SetNextPlotLimits(0,1000,0,1,ImGuiCond_Always); + if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_NoChild | ImPlotFlags_CanvasOnly,ImPlotAxisFlags_NoDecorations,ImPlotAxisFlags_NoDecorations)) { + if (running) { + if (mode == BenchMode::Line) { + for (int i = 0; i < L; ++i) { + ImGui::PushID(i); + ImPlot::SetNextLineStyle(items[i].Col); + ImPlot::PlotLine("##item", items[i].Data, 1000); + ImGui::PopID(); + } + } + else if (mode == BenchMode::Shaded) { + for (int i = 0; i < L; ++i) { + ImGui::PushID(i); + ImPlot::SetNextFillStyle(items[i].Col,0.5f); + ImPlot::PlotShaded("##item", items[i].Data, 1000); + ImGui::PopID(); + } + } + else if (mode == BenchMode::Scatter) { + for (int i = 0; i < L; ++i) { + ImGui::PushID(i); + ImPlot::SetNextLineStyle(items[i].Col); + ImPlot::PlotScatter("##item", items[i].Data, 1000); + ImGui::PopID(); + } + } + else if (mode == BenchMode::Bars) { + for (int i = 0; i < L; ++i) { + ImGui::PushID(i); + ImPlot::SetNextFillStyle(items[i].Col,0.5f); + ImPlot::PlotBars("##item", items[i].Data, 1000); + ImGui::PopID(); + } + } + } + ImPlot::EndPlot(); + } + ImPlot::SetNextPlotLimits(0,500,0,500,ImGuiCond_Always); + static char buffer[64]; + if (ImPlot::BeginPlot("##Stats", "Items (1,000 pts each)", "Framerate (Hz)", ImVec2(-1,0), ImPlotFlags_NoChild)) { + for (int run = 0; run < records.size(); ++run) { + if (records[run].Data.Size > 1) { + sprintf(buffer, "B%d-%s%s", run + 1, names[records[run].Mode], records[run].AA ? "-AA" : ""); + ImVector<ImPlotPoint>& d = records[run].Data; + ImPlot::PlotLine(buffer, &d[0].x, &d[0].y, d.Size, 0, 2*sizeof(double)); + } + } + ImPlot::EndPlot(); + } +} + +} |