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We have just finished our first project with VRay, and I have to say, it did it's job perfectly. Although, during the production, we came up with several ideas concerning the displacement mod.
It would be nice to have a checkbox to exclude displacement from reflections, refractions, so VRay would not struggle to render displaced geometry in non directly seen situations. We had many glossy reflecting surfaces surrounding heavily displaced sites, for example we had displaced grass, pebbles, stone pavings, etc. , and we had lots of crashes. At the end, we started to render out our images in two passes, one without reflections refractions an with displacements, and one without displace. Having a checkbox to turn off displace calculation in non directly seen cases would have helped a lot.
And it would also be nice to have a check to control displace during the GI caching. Again, all the irradiance map passes had to be done without displacement, to be able to render out the full highres (4K) images.
Displacement is nice, but when it comes to glossy stuff (GI, reflections, no to mention glossy refractions) it has a really bad habit of crashing all the time, and without any visible reason (max just quits, disappears, no increased HDD activity, no visible struggleing, ect...)
We also tried to do the first request with the VRay override shader (to override the reflecting shader, ...), but the default displacement acts weird, and crashed almost every time, which is quite odd, couse it even had rougher quality setting, than the modifier.
It would be nice to have a checkbox to exclude displacement from reflections, refractions, so VRay would not struggle to render displaced geometry in non directly seen situations. We had many glossy reflecting surfaces surrounding heavily displaced sites, for example we had displaced grass, pebbles, stone pavings, etc. , and we had lots of crashes. At the end, we started to render out our images in two passes, one without reflections refractions an with displacements, and one without displace. Having a checkbox to turn off displace calculation in non directly seen cases would have helped a lot.
And it would also be nice to have a check to control displace during the GI caching. Again, all the irradiance map passes had to be done without displacement, to be able to render out the full highres (4K) images.
Displacement is nice, but when it comes to glossy stuff (GI, reflections, no to mention glossy refractions) it has a really bad habit of crashing all the time, and without any visible reason (max just quits, disappears, no increased HDD activity, no visible struggleing, ect...)
We also tried to do the first request with the VRay override shader (to override the reflecting shader, ...), but the default displacement acts weird, and crashed almost every time, which is quite odd, couse it even had rougher quality setting, than the modifier.
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