QwtPlotRenderer for multiple QwtPlot

[Momergil]

Hello!

I'ld like to export to a pdf [using QwtPlotRender] various QwtPlot, not just one. How could I do that?

For now what I do is:

QwtPlotRenderer renderer;
renderer.exportTo( graphCandle, "test.pdf" );

QwtPlotRenderer renderer;
renderer.exportTo( graphCandle, "test.pdf" );

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and I want to export other two QwtPlot besides graphCandle in the same .pdf.

Is there a way?

Thanks,

Momergil

[Uwe]

Find your own layout ( = bounding rectangles in paint device coordinates ) where you want to have your plots and use

void QwtPlotRenderer::render(QwtPlot *, QPainter *, const QRectF &rect) const

void QwtPlotRenderer::render(QwtPlot *, QPainter *, const QRectF &rect) const

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renderTo and export() are only convenience APIs calculating a rectangle from the paint device metrics and calling in the end render(). Have a look at the implementation of these methods if you are unsure how to setup a QPainter to render a PDF document.

Uwe