Integrating 3D models with photography
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# 1 24-11-2009 , 07:35 AM
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parent constraints flips 180 in y

i have a piece of geometry which i got by duplicating the original, scaling it in -z, freezing transforms, reversing normals, center pivot, freezing transforms again and then deleting history

when i use a parent constraint (parenting translate and rotate, and mainting offset and giving a weight of 1) on this piece of geometry it flipps 180 in y (it says so in the channel box) and i have no idea why.

i did resolve it by building the geometry from a plane, but it takes a long time and so isn't exactly very practical.

why would a piece of geometry rotate 180 in y when the transforms are frozen and the history deleted?



EDIT:
actually never mind about that, turns out i didn't freeze transforms on the groups




that's a "Ch" pronounced as a "K"

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Objective C, C#, Java, MEL. Python, C++, XML, JavaScript, XSLT, HTML, SQL, CSS, FXScript, Clips, SOAR, ActionScript, OpenGL, DirectX
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Last edited by Chirone; 24-11-2009 at 08:22 AM.
# 2 24-11-2009 , 05:45 PM
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