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I have had trouble rendering a large house with brick + displacement mapping, I made a GI without displacement and used that map with displacement turned on however it didn't seem to improve render times (render did not start after 8+ hours). This led me to investigate the displacement problem.
I've drawn a simple test wall and recreated the same material: using the 'Tile' 2D Texture and appling the relevant diffuse layers. When I make a bump map using the same method with black and white colours for the bricks and mortar I get good results, however if I apply the bump map in the Displacement modifier the layer completely disappears.
Below are some images I have made showing the original material, then with successful bump map, then with bump turned off and displacement turned on. It disappears! If I try this on the original house model I was working I get the same problem - the outer wall is completely hidden and the interior walls are shown.
I appreciate that using a displacement map is a demanding way to render a large brick wall, however can't seem to get beyond this problem in my test model. I expected relatively slow rendering times, but not the group disappearing completely. It all looks great inside the preview window (see attached).
Any help would be greatly appreciated!
I've drawn a simple test wall and recreated the same material: using the 'Tile' 2D Texture and appling the relevant diffuse layers. When I make a bump map using the same method with black and white colours for the bricks and mortar I get good results, however if I apply the bump map in the Displacement modifier the layer completely disappears.
Below are some images I have made showing the original material, then with successful bump map, then with bump turned off and displacement turned on. It disappears! If I try this on the original house model I was working I get the same problem - the outer wall is completely hidden and the interior walls are shown.
I appreciate that using a displacement map is a demanding way to render a large brick wall, however can't seem to get beyond this problem in my test model. I expected relatively slow rendering times, but not the group disappearing completely. It all looks great inside the preview window (see attached).
Any help would be greatly appreciated!
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