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playground/plotmatrix/main.cpp

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+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#include "PlotMatrix.h"
+
+#include <QwtPlotGrid>
+#include <QwtPlot>
+#include <QwtScaleWidget>
+#include <QwtMath>
+
+#include <QApplication>
+
+namespace
+{
+    class MainWindow : public PlotMatrix
+    {
+      public:
+        MainWindow();
+    };
+}
+
+MainWindow::MainWindow()
+    : PlotMatrix( 3, 4 )
+{
+    using namespace QwtAxis;
+
+    setAxisVisible( YLeft );
+    setAxisVisible( YRight );
+    setAxisVisible( XBottom );
+
+    for ( int row = 0; row < numRows(); row++ )
+    {
+        const double v = std::pow( 10.0, row );
+
+        setAxisScale( YLeft, row, -v, v );
+        setAxisScale( YRight, row, -v, v );
+    }
+
+    for ( int col = 0; col < numColumns(); col++ )
+    {
+        const double v = std::pow( 10.0, col );
+
+        setAxisScale( XBottom, col, -v, v );
+        setAxisScale( XTop, col, -v, v );
+    }
+
+    for ( int row = 0; row < numRows(); row++ )
+    {
+        for ( int col = 0; col < numColumns(); col++ )
+        {
+            QwtPlot* plot = plotAt( row, col );
+            plot->setCanvasBackground( QColor( Qt::darkGray ) );
+
+            QwtPlotGrid* grid = new QwtPlotGrid();
+            grid->enableXMin( true );
+            grid->setMajorPen( Qt::white, 0, Qt::DotLine );
+            grid->setMinorPen( Qt::gray, 0, Qt::DotLine );
+            grid->attach( plot );
+        }
+    }
+
+    plotAt( 1, 0 )->axisWidget( YLeft )->setLabelRotation( 45 );
+    plotAt( 1, numColumns() - 1 )->axisWidget( YRight )->setLabelRotation( -45 );
+
+    updateLayout();
+}
+
+int main( int argc, char* argv[] )
+{
+    QApplication app( argc, argv );
+
+    MainWindow window;
+
+    window.resize( 800, 600 );
+    window.show();
+
+    return app.exec();
+}