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i was wondering, when using vray sun in combination with vray dome light with an hdri in texture slot, should the vray sky in the environment slot be enable or not. i mean the scene is already being illuminated by the hdri thru dome light , should the vray sky also illuminate the scene? is that a good combination for interior/exterior lighting?

so ive created concrete tiles using floor generator and as you may know when applying the materials, it gets assigned to each individual tile. what ive been trying to do is that i want a concrete base for the tiles, and a partially dirty coat on top for lower tiles. like the image below : in the picture below you can see that the dirty coat is assigned to every single tile, i dont want that : i wanna apply an overall texture to those tiles. any tips guys ?

I currently have two workdstations: 1) HP Xeon E5440@2.83Ghz (2x Duo Core, 8 threads), 4GB RAM (Window Experience Index 5.9) 2) Dell Xeon E5630@2.53Ghz (2x Quad Core, 16 threads), 12GB RAM, SSD running at SATA2 (WEI 7.1) I am rendering the exact same scene with VRAY 2.3 in Maya 2013. The scene use the same irradiance map and light cache map saved locally in the machine. The VRAY settings on both machine is the same except the dynamic memory limits are set to 3000 (for HP) and 10000 (for Dell). Max render threads are set to 0 (use all threads available). Which machine do you think it will render faster? Most people would think Dell should kick HP ass, but in fact HP render about 11% faster. Render result: 1) 7m8.4s 2) 8m4.9s What am I missing here? Does the CPU Ghz play such an important role? or in general, HP is a better machine than Dell? The Dell machine is much newer than the HP one. I just don't understand why HP is faster than Dell with 4 less cores .. :banghead: