Camera information inconsistent

Bill Lorensen wlorens1 at nycap.rr.com
Tue Aug 17 06:26:53 EDT 1999


<x-flowed>After setting the values, apply ComputeViewPlaneNormal

Bill

At 05:03 PM 8/17/99 +0800, Nicholas Yue wrote:
>Hi
>
>         I was trying to set up a camera view using values I obtain in a 
> "proc"
>call.
>
>         I find that the values printed did not reproduce the same figure.
>
>         Any idea ?
>
>
>[SNIP]
>
>set cam1 [ren1 GetActiveCamera]
>         $cam1 SetViewUp -0.220679 -0.502572 0.835896
>         $cam1 SetFocalPoint 0.179291 0.277351 -0.0254646
>         $cam1 SetPosition 0.796565 0.948705 0.541141
>         $cam1 SetViewAngle 45
>
>[SNIP]
>
>eval plane SetExtent 0 0 0 32 0 160
>renWin Render
>
># prevent the tk window from showing up then start the event loop
>wm withdraw .
>
>proc Pick {cam1} {
>     puts [$cam1 GetViewUp]
>     puts [$cam1 GetFocalPoint]
>     puts [$cam1 GetPosition]
>     puts [$cam1 GetViewAngle]
>}
>
>iren SetEndPickMethod  {Pick $cam1}
>
>Cheers
>--
>Nicholas Yue                    | RenderMan. (tm)
>yue at cwr.uwa.edu.au              | Rendered Once, Showcased Everywhere
>(C)
>http://www.cwr.uwa.edu.au/~yue  | +61 08 9380-1897 (Office)
>The Centre for Water Research   | +61 08 9380-1015 (Fax)
>




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