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Coordinate transformations in WPF app

Posted By Vladimir Zverev 2 Years Ago
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Vladimir Zverev
Question Posted 2 Years Ago
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Hello!
I use Nevron Chart for WPF. How I can transform mouse coordinates to chart axis coordinates?
This code is incorrect, because WPF ChartControl does not contain View method


private void _chartControl_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
      System.Windows.Point point = e.GetPosition(_chartControl);
      NCartesianChart chart = (NCartesianChart)(_chartControl.Charts[0]);
      NViewToScale2DTransformation transf = new NViewToScale2DTransformation(_chartControl.View.Context, chart, (int)StandardAxis.PrimaryX, (int)StandardAxis.PrimaryY);
      NVector2DD pointScale = default(NVector2DD);
      transf.Transform(new NPointF((float)point.X, (float)point.Y), ref pointScale);
 }

Thanks

Nevron Support
Posted 2 Years Ago
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Hi Vladimir,

We just tested with a recent version (19.7.15.12) and the WPF control did have a View method - what is the version you're currently testing with?

Best Regards,
Nevron Support Team



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Hi Vladimir,
Also this code applies to Nevron Chart for .NET, not NOV Chart - do you want to perform coordinate transformation in the NOV Chart or the .NET Chart?

Best Regards,
Nevron Support Team





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