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About atg2012

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  1. I have a polygon with the texture mapped in perspective mode, but I am required to look at the polygon along its normal so that it appears to be in 2D plane and then map the texture back on to it. To start with I have something like this: [attachment=11244:checker.jpg] and I want to see something like this after I position my camera to look along the normal of this polygon [attachment=11245:checker2.gif] But, the result is split into 2 triangles along the diagonal and the texture has an effect of Affine mapped texture. My texture image is a 2D image but the rendering in OpenGL is in 3D World Co-ordinates. Currently for texture mapping I am supplying the vertices of the polygon and corresponding 2D texture co-ordinates. Could any one advice on what I am required to do in order to get correct texture mapping? Appreciate all your help. Thanks,