[vtkusers] Re: vtkPanel translate problem

[Jeff Lee]

yes, please send the whole thing so I can see what you are trying to do.
-Jeff

Brandon Douthit-Wood wrote:

>Jeff,
>Here are a few snippets of code from my app.  I can send you all the 
>files if you want to try and run it.
>
>// here's where I setup the render window and renderer for the file 
>// importer
>renderWindow = visPanel.GetRenderWindow();
>renderer = visPanel.GetRenderer();
>fileImporter = new vtk3DSImporter();
>fileImporter.SetRenderWindow(renderWindow);
>fileImporter.ComputeNormalsOn();
>fileImporter.SetFileName(filename);
>fileImporter.Read();
>visPanel.SetRenderer(renderer);
>
>// this is the code that is used for translate (nothing was changed)
>if (this.InteractionMode == 2)
>{
>        double  FPoint[];
>	double  PPoint[];
>	double  APoint[] = new double[3];
>	double  RPoint[];
>	double focalDepth;
>
>	// get the current focal point and position
>	FPoint = cam.GetFocalPoint();
>	PPoint = cam.GetPosition();
>
>	// calculate the focal depth since we'll be using it a lot
>	ren.SetWorldPoint(FPoint[0],FPoint[1],FPoint[2],1.0);
>	ren.WorldToDisplay();
>	focalDepth = ren.GetDisplayPoint()[2];
>
>	APoint[0] = rw.GetSize()[0]/2.0 + (x - lastX);
>	APoint[1] = rw.GetSize()[1]/2.0 - (y - lastY);
>	APoint[2] = focalDepth;
>	ren.SetDisplayPoint(APoint);
>	ren.DisplayToWorld();
>	RPoint = ren.GetWorldPoint();
>	if (RPoint[3] != 0.0)
>	{
>		RPoint[0] = RPoint[0]/RPoint[3];
>		RPoint[1] = RPoint[1]/RPoint[3];
>		RPoint[2] = RPoint[2]/RPoint[3];
>	}
>	cam.SetFocalPoint(
>                (FPoint[0]-RPoint[0])/2.0 + FPoint[0],		
>		(FPoint[1]-RPoint[1])/2.0 + FPoint[1],
>		(FPoint[2]-RPoint[2])/2.0 + FPoint[2]);
>	cam.SetPosition(
>		(FPoint[0]-RPoint[0])/2.0 + PPoint[0],
>		(FPoint[1]-RPoint[1])/2.0 + PPoint[1],
>		(FPoint[2]-RPoint[2])/2.0 + PPoint[2]);
>	resetCameraClippingRange();
>	}
>
>thanks,
>
>--
>Brandon Douthit
>
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>

-- 
Jeff Lee
Software Engineer
Computational Dynamics North America Ltd
21 Lafayette Street, Suite 230
Lebanon NH 03766 USA
fax:   603 643 9994
phone: 603 643 9993 x109
http://www.cd-adapco.com