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Improve imscope's scatterplot

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- Reduce point size to 1 pixel
 - call ImPlot::PlotScatter as many times as needed
This commit is contained in:
Bartosz Podrygajlo
2024-09-30 20:36:18 +02:00
parent 7986a4de8e
commit 43a9236963
1 changed files with 11 additions and 2 deletions
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openair1/PHY/TOOLS/imscope/imscope.cpp
+11 -2
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@@ -279,8 +279,17 @@ class IQHist {
} }
} else if (plot_type == 1) { } else if (plot_type == 1) {
if (ImPlot::BeginPlot(label.c_str(), {(float)ImGui::GetWindowWidth() * 0.3f, (float)ImGui::GetWindowWidth() * 0.3f})) { if (ImPlot::BeginPlot(label.c_str(), {(float)ImGui::GetWindowWidth() * 0.3f, (float)ImGui::GetWindowWidth() * 0.3f})) {
// Limit the amount of data plotted with scatterplot (issue with vertices/draw call) int points_drawn = 0;
ImPlot::PlotScatter(label.c_str(), iq_data->real.data(), iq_data->imag.data(), std::min(16000, iq_data->len)); while (points_drawn < iq_data->len) {
// Limit the amount of data plotted with PlotScatter call (issue with vertices/draw call)
int points_to_draw = std::min(iq_data->len - points_drawn, 16000);
ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle, 1, IMPLOT_AUTO_COL, 1);
ImPlot::PlotScatter(label.c_str(),
iq_data->real.data() + points_drawn,
iq_data->imag.data() + points_drawn,
points_to_draw);
points_drawn += points_to_draw;
}
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
} else if (plot_type == 2) { } else if (plot_type == 2) {