Geomview For Windows?
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Re: [Update REQ 5442]: camera motion and maniview
The way maniview (actually Charlie Gunn's discrete-group code inside geomview) does camera centering is to alter the position of the camera inside the geomview drawing loop, so that it will be correctly placed the *next* time the view is drawn. This works well if the camera is moving in a series of small, relative steps as it often does in interactive motions. But when you specify the camera's position explicitly for each frame, the re-centered camera position never gets used for drawing. You could force geomview to redraw after computing the new position, though, by saying: (xform-set <whatever-camera> <transform1>) (redraw <whatever-camera>) (xform-set <whatever-camera> <transform2>) (redraw <whatever-camera>) The result might be unattractive, though, since you'll alternately see views drawn from raw and recentered camera positions. I think there may be no way to avoid that.
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