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b0df7a1fd7
NEW/BREAKING: refactor CMake-Code, so static/dynamic switch is done via <code>BUILD_SHARED_LIBS</code>, which retires <code>JKQtPlotter_BUILD_STATIC_LIBS</code>, <code>JKQtPlotter_BUILD_SHARED_LIBS</code> and removes the capability to build static and shared libraries in one location (fixes issue #104) NEW: prepareed library for CMake's <a href="https://cmake.org/cmake/help/latest/module/FetchContent.html">FetchContent</a>-API NEW: the different sub-libraries JKQTPlotter, JKQTFastPlotter (DEPRECATED), JKQTMath, JKQTMathText can be activated/deactivated with CMake options JKQtPlotter_BUILD_LIB_JKQTPLOTTER, JKQtPlotter_BUILD_LIB_JKQTFASTPLOTTER, JKQtPlotter_BUILD_LIB_JKQTMATHTEXT, JKQtPlotter_BUILD_LIB_JKQTMATH |
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| .. | ||
| CMakeLists.txt | ||
| filledgraphs_errors.cpp | ||
| README.md | ||
Example (JKQTPlotter): Filled Graphs with Error Indicators
This project (see filledgraphs_errors shows how to draw filled graphs with different styles of error indicators.
The source code of the main application is (see filledgraphs_errors.cpp:
// 1. create a plotter window and get a pointer to the internal datastore (for convenience)
JKQTPlotter plot;
JKQTPDatastore* ds=plot.getDatastore();
// 2. now we create three columns for key and value
size_t columnK=ds->addLinearColumn(9, 0.1*JKQTPSTATISTICS_PI, 1.0*JKQTPSTATISTICS_PI,"k");
size_t columnK2=ds->addLinearColumn(9, 1.1*JKQTPSTATISTICS_PI, 2.0*JKQTPSTATISTICS_PI,"k2");
size_t columnK3=ds->addLinearColumn(9, 2.1*JKQTPSTATISTICS_PI, 3.0*JKQTPSTATISTICS_PI,"k2");
size_t columnV=ds->addColumnCalculatedFromColumn(columnK, [](double x) { return sin(x); }, "v");
size_t columnV2=ds->addColumnCalculatedFromColumn(columnK2, [](double x) { return -sin(x); }, "v2");
size_t columnV3=ds->addColumnCalculatedFromColumn(columnK3, [](double x) { return sin(x); }, "v3");
size_t columnE=ds->addColumnCalculatedFromColumn(columnV, [](double x) { return 0.2*x; }, "error");
size_t columnE2=ds->addColumnCalculatedFromColumn(columnV2, [](double x) { return 0.2*x; }, "error");
size_t columnE3=ds->addColumnCalculatedFromColumn(columnV3, [](double x) { return 0.2*x; }, "error");
// 3. create a graph in the plot, which plots the dataset with symmetric:
JKQTPFilledCurveXErrorGraph* graph1=new JKQTPFilledCurveXErrorGraph(&plot);
graph1->setKeyColumn(columnK);
graph1->setValueColumn(columnV);
graph1->setValueErrorColumn(columnE);
// set error indicator style
graph1->setValueErrorStyle(JKQTPErrorBars);
graph1->setTitle(QObject::tr("JKQTPErrorBars"));
plot.addGraph(graph1);
// 4. create a second graph in the plot, which plots the second dataset with outer error bars only:
JKQTPFilledCurveXErrorGraph* graph2=new JKQTPFilledCurveXErrorGraph(&plot);
graph2->setKeyColumn(columnK2);
graph2->setValueColumn(columnV2);
graph2->setValueErrorColumn(columnE2);
// set error indicator style
graph2->setValueErrorStyle(JKQTPErrorPolygons);
graph2->setTitle(QObject::tr("JKQTPErrorPolygons"));
plot.addGraph(graph2);
// 5. create a third graph in the plot, which plots the second dataset with outer error bars only:
JKQTPFilledCurveXErrorGraph* graph3=new JKQTPFilledCurveXErrorGraph(&plot);
graph3->setKeyColumn(columnK3);
graph3->setValueColumn(columnV3);
graph3->setValueErrorColumn(columnE3);
// set error indicator style
graph3->setValueErrorStyle(JKQTPErrorLines);
graph3->setTitle(QObject::tr("JKQTPErrorLines"));
plot.addGraph(graph3);
// 6 autoscale the plot so the graph is contained
plot.zoomToFit();
// 7. show plotter and make it a decent size
plot.getPlotter()->setKeyPosition(JKQTPKeyInsideBottomLeft);
plot.setWindowTitle(title);
plot.show();
plot.resize(400,400);
The result looks like this:
In order to draw horizontal error bars, you have to use JKQTPFilledCurveYErrorGraph instead of JKQTPFilledCurveXErrorGraph:
