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There are quite a few issues in Vray for Grasshopper that make it difficult to use for something serious:
-materials referenced from the scene are reset after closing and reopening a Rhino/grasshopper combination: All material dropdowns get unassigned (orange)
-scene component to link gh geometry gets auto disabled after reopening a Rhino/grasshopper combination.
-glass material with fog is rendering differently in grasshopper directly (using right click on the main V-Ray component. In my situation it renders much darker.
-emissive materials using gradient don't work when I try to assign them through grasshopper material from scene component.
-it neither uses the gh scene mesh settings, nor the Rhino scene mesh settings, but a rather rough mesh
-material changes are not visible in interactive rendering mode
see example renderings for a simple glass with fog that is rendered through Rhino and through grasshopper:
-furthermore it would be nice if we could simply assign and /or modify a light through Rhino. The only way I know of right now is to export a scene with the lights and use V-Ray scene proxy, but this is tedious.
-materials referenced from the scene are reset after closing and reopening a Rhino/grasshopper combination: All material dropdowns get unassigned (orange)
-scene component to link gh geometry gets auto disabled after reopening a Rhino/grasshopper combination.
-glass material with fog is rendering differently in grasshopper directly (using right click on the main V-Ray component. In my situation it renders much darker.
-emissive materials using gradient don't work when I try to assign them through grasshopper material from scene component.
-it neither uses the gh scene mesh settings, nor the Rhino scene mesh settings, but a rather rough mesh
-material changes are not visible in interactive rendering mode
see example renderings for a simple glass with fog that is rendered through Rhino and through grasshopper:
-furthermore it would be nice if we could simply assign and /or modify a light through Rhino. The only way I know of right now is to export a scene with the lights and use V-Ray scene proxy, but this is tedious.
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