Grid-shift issue

[prashantbasvat]

i am prashant basvat from india,currently we are developing an patient monitor application using QWT technology.
we created an waveform, but we are facing issue during display of gridlines when we display gridlines, it is slightly shifted to right from left side of graph.
i have attached an image which shows grid shift.
how to resolve this.

[Uwe]

The grid lines are aligned to the ticks of the scales, the position of the ticks depends on some parameters of your plot layout and your scale engine.
In your case I can imagine, that you are looking for:

plot->plotLayout()->setAlignCanvasToScales( true );

plot->plotLayout()->setAlignCanvasToScales( true );

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Uwe