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I'm making a interior scene with a single HDRI light and exterior portals (excluding glass object). I've got some weird glowing edges and some dirty edges. By the way checking Retrace in LC makes some of the glows disappear but all my image get dirtier and my render time increase like three times. Increasing LC subdivs and sample sizes, makes the glows disappear but my shadows get darker and the edges dirtier. My wall material is a simple white. I attached my V-Ray settings.

Hi. I am trying to re-create this material (url below) in V-Ray, but am having trouble figuring it out. I found a standard material that creates an x-ray effect with falloff maps, but it wasn't nearly as subtle. I've tried ambient occlusion (V-Ray Dirt maps), trying combinations in several channels; diffuse, reflect, transparency, opacity, etc., but haven't come close. I'd appreciate any suggestions or insight. http://www.futuretimeline.net/21stcentury/images/organ_replacement.jpg Thanks, Steve

Please let me know if you thing my latest attempt at making glowing windows and adding a wet effect to the concrete and asphalt areas. I would be very interested in learning other methods to create similar effects. I mainly use these pictures for print purposes. This was done by using the polygonal lasso to select the windows, then copying and pasting to a new layer. Layer blending mode set to screen. Layer effects added are inner glow with effect size 100%, effect opacity 20%, effect color changed from the default lemony yellow to a richer amber. Wet effect is duplicate layer flipped vertically and blending mode on soft light. Layer slightly rotated for matching up vertical lines in reflection to those of original layer. Filter: distort: glass (distortion: 1, smoothness: 2, scale: 75%) sky and all other non-reflective areas then cut or erased from this layer. From original layer select and copy & past sky to new layer. Set blend mode to multiply and play with layer opacity if desired. BEFORE: AFTER: