bugfix

examples/barchart_errorbars/barchart_errorbars.cpp

@@ -22,7 +22,7 @@ void doExample(JKQTPlotter& plot, const QString& title)
 
     // 2. now we create three columns for key and value
     size_t columnK=ds->addLinearColumn(6, 0.4*JKQTPSTATISTICS_PI, 2.2*JKQTPSTATISTICS_PI,"k");
-    size_t columnV=ds->addColumnCalculatedFromColumn(columnK, &cos, "v");
+    size_t columnV=ds->addColumnCalculatedFromColumn(columnK, [](double x) { return cos(x); }, "v");
     size_t columnE=ds->addColumnCalculatedFromColumn(columnK, [](double x) { return 0.05+0.06*(1.0+sin(x)); }, "error");
 
     // 3. create a graph in the plot, which plots the dataset with symmetric:

examples/barchart_twocolor/barchart_twocolor.cpp

@@ -22,7 +22,7 @@ void doExample(JKQTPlotter& plot, const QString& title)
 
     // 2. now we create two columns for key and value
     size_t columnK=ds->addLinearColumn(15, 0.5*JKQTPSTATISTICS_PI, 3.0*JKQTPSTATISTICS_PI,"k");
-    size_t columnV=ds->addColumnCalculatedFromColumn(columnK, &cos, "v");
+    size_t columnV=ds->addColumnCalculatedFromColumn(columnK, [](double x) { return cos(x); }, "v");
 
     // 3. create graph in the plot, which plots the dataset:
     JKQTPBarGraphBase* graph=new TCHART(&plot);

examples/filledgraphs_errors/README.md

@@ -7,24 +7,53 @@ The source code of the main application is (see [`filledgraphs_errors.cpp`](http
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();
 
-    // 2. now we create two columns for key and value
-    size_t columnK=ds->addLinearColumn(10, 0, 2.0*JKQTPSTATISTICS_PI,"k");
-    size_t columnV=ds->addColumnCalculatedFromColumn(columnK, &cos, "v");
+    // 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 graph in the plot, which plots the dataset:
-    JKQTPBarGraphBase* graph=new JKQTPBarVerticalGraph(&plot);
-    graph->setKeyColumn(columnK);
-    graph->setValueColumn(columnV);
-    // set TwoColor fill Mode
-    graph->setFillMode(JKQTPBarGraphBase::FillMode::TwoColorFilling);
-    graph->setFillColor(QColor("green"));
-    graph->fillStyleBelow().setFillColor(QColor("red"));
-    plot.addGraph(graph);
+    // 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 autoscale the plot so the graph is contained
+    // 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();
 
-    // 5. show plotter and make it a decent size
+    // 7. show plotter and make it a decent size
+    plot.getPlotter()->setKeyPosition(JKQTPKeyInsideBottomLeft);
     plot.setWindowTitle(title);
     plot.show();
     plot.resize(400,400);
@@ -37,8 +66,8 @@ The result looks like this:
 
 
 
-In order to draw horizontal error bars, you have to use `JKQTPBarHorizontalGraph` instead of `JKQTPBarVerticalGraph`:
+In order to draw horizontal error bars, you have to use `JKQTPFilledCurveYErrorGraph` instead of `JKQTPFilledCurveXErrorGraph`:
 
-![filledgraphs_errors_hor](https://raw.githubusercontent.com/jkriege2/JKQtPlotter/master/screenshots/filledgraphs_errors_hor.png)
+![filledgraphs_errors_hor](https://raw.githubusercontent.com/jkriege2/JKQtPlotter/master/screenshots/filledgraphs_errors_y.png)
 
 

examples/filledgraphs_errors/filledgraphs_errors.cpp

@@ -24,9 +24,9 @@ void doExample(JKQTPlotter& plot, const QString& title)
     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, &sin, "v");
+    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, &sin, "v3");
+    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");