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-   -   viewpoint roll / pitch (https://forum.worldviz.com/showthread.php?t=308)

exhale 03-14-2005 07:45 AM

viewpoint roll / pitch
 
hello,

when i added these instructions to
my script, it looked as if the viewpoint
is always a bit pitched / rolled.
Is there a way to resolve this?
(i copied the values of the translate
from a viewpoint.get)
The problem arises @ translate()
removing lookat() does not seem to
affect the roll / pitch

view = viz.get(viz.MAIN_VIEWPOINT)
view.translate(-6.2,1.8234411478,16.9)
view.lookat(17,0,20)

thanks in advance,

Kevin

farshizzo 03-14-2005 12:29 PM

The lookat command will orient the viewpoint so that it is looking at the given coordinate. The Y coordinate of the viewpoint is translated to 1.82 and you have it lookat a point with a Y coordinate of 0, so the viewpoint will have to be pitched down a little. If you don't want the viewpoint to be pitched then set the Y value of the lookat point to the same Y value of the translation (in your case, 1.8234411478)

exhale 03-15-2005 12:32 AM

hello,

allrighty :D i guess i didn't see that because i had been working on it for a bit too long hehe

thanks! greetz,

Kevin


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