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VRay Bump About Truespace Archives These pages are a copy of the official truespace forums prior to their removal somewhere around 2011. They are retained here for archive purposes only. VRay Bump // Archive: Tech Forum 1  |   Order by default Post by Wigand // Jun 2, 2006, 11:06am Wigand Total Posts: 462 I read some posts here about problems with vray and bump. I have a problem, to get the bump on the top surface of a zylinder. I tried to paint the face separately but no result. If you have a transparent water container like a glas of water, then the sides of the visible water are flat (with the shape of the container) and the top surface is wavy. How can I manage this problem? On the picture you can see that the top is flat. Post by GraySho // Jun 2, 2006, 11:12am GraySho Total Posts: 695 My guess is, that it is a mapping problem, not a rendering problem. Try the following: In point edit mode, select the top face of the cylinder, choose planar uv-projection and space bar to apply the projection. Adjustments of the projection should not be necessary. Then, render again. Post by Wigand // Jun 2, 2006, 11:27am Wigand Total Posts: 462 My guess is, that it is a mapping problem, not a rendering problem. Try the following: In point edit mode, select the top face of the cylinder, choose planar uv-projection and space bar to apply the projection. Adjustments of the projection should not be necessary. Then, render again. Yes, thank you. Now my top surface of the water is wavy :) I did not know that this option is for bumps too. Why didn't I read this in the manual...:confused: Post by TomG // Jun 2, 2006, 11:59am TomG Total Posts: 3397 Hi all, UV Mapping is the method where a 2D space is mapped onto a 3D space - applying any form of image onto an object will work via UV Mapping, as the 2D co-ordinates of the image must be mapped to the 3D co-ordinates of the object's surface. So if you are applying an image to an object - whether that be as a color texture, or as a bump map - then the UV Mapping will have control over it. HTH! Tom

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