[vtkusers] How to tune the line with of vtkProperty2D

Liu_tj tjlp at netease.com
Mon Aug 22 21:10:55 EDT 2016


I use vtkAngleWidget to measure angle. I want to tune the line width of the angle leaders and arc. Below is my C# code:

            m_angleWidget = vtkAngleWidget.New();
            m_angleWidget.PlacePointEvt += new vtkObject.vtkObjectEventHandler(AngleWidget_PlacePointEvt);
            m_angleRep = vtkAngleRepresentation2D.New();
            m_angleRep.GetRay1().GetProperty().SetColor(0.0, 1.0, 0.0);
            m_angleRep.GetRay2().GetProperty().SetColor(0.0, 1.0, 0.0);
            m_angleRep.GetArc().GetProperty().SetColor(0.0, 1.0, 0.0);
            m_angleRep.GetArc().GetLabelTextProperty().SetColor(0.0, 0.0, 1.0);

If I call SetLineWidth with 5.0f, 6.0f, 7.0f and 7.5f, I get the same effect as 1.jpg; if I call SetLineWidth with 8.0f, the effect is as 2.jpg. For me, the line in 1.jpg is too slim, the line in 2.jpg is too wide, how to tune it?

Liu Peng

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