Wavefront OBJ - Get Model Properties

Started by vir2007, Mar 23 2012 03:23 PM

OpenGL

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#1 vir2007 Members - Reputation: 105

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Posted 23 March 2012 - 03:23 PM

Hi all,

I want to know how to get infos regarding a .obj file such as WIDTH and HEIGHT and CENTER of the model (which permit the rotation and translation according to it)

Im using this model parser with Assimp/FreeImage:
http://svn.augmate.org/Verse/trunk/objs/

Is there anyway from those libraries that give me what i need

Im still new here

Thanks for reading

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#2 Rld_ Members - Reputation: 521

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Posted 24 March 2012 - 04:28 AM

You would want to calculate the boundingbox, which is basically done by comparing the position of the vertices (you can google the exact way), once you have all 8 corners of your bounding box, you can easily calculate the width, height, depth and center with some simple calculations.

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#3 vir2007 Members - Reputation: 105

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Posted 25 March 2012 - 03:51 PM

thnx mate, i missed "bounding box" keyword

thnx again

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