Yuri Victorovich
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Simple JKQTPlotter example: sine wave plot.
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*
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* Build with CMake:
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* mkdir build && cd build
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* cmake .. -DJKQTPlotter6_DIR=/usr/local/lib/cmake/JKQTPlotter6
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* make
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*/
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#include <QApplication>
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#include <cmath>
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#include "jkqtplotter/jkqtplotter.h"
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#include "jkqtplotter/graphs/jkqtpscatter.h"
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int main(int argc, char* argv[])
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{
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QApplication app(argc, argv);
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JKQTPlotter plot;
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JKQTPDatastore* ds = plot.getDatastore();
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/* Fill data store with a sine wave. */
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const int N = 200;
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size_t colX = ds->addColumn(N, "x");
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size_t colY = ds->addColumn(N, "y");
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for (int i = 0; i < N; i++) {
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double x = i * 2.0 * M_PI / (N - 1);
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ds->set(colX, i, x);
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ds->set(colY, i, std::sin(x));
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}
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auto* graph = new JKQTPXYLineGraph(&plot);
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graph->setXColumn(colX);
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graph->setYColumn(colY);
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graph->setTitle("sin(x)");
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plot.addGraph(graph);
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plot.setWindowTitle("JKQTPlotter Simple Example");
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plot.setXAxisLabel("x");
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plot.setYAxisLabel("y");
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plot.zoomAllX();
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plot.show();
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return app.exec();
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}
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