This needs manually updating to a higher value if resolutions higher than this are required.
RenderMan Maya Area Light Textures are set to resolution 1,024.Refreshing the IPR view will re-sync to the up to date lighting. RenderMan IPR can miss some lighting updates if many changes are sent at once from HDR Light Studio, for example if you have 10 area lights in your scene and solo one, this hides the other 9 lights in sequence and some of these updates can be missed by the IPR.Some changes to the area lights get missed by the RenderMan IPR, refreshing the IPR view will re-sync to the up to date lighting.Start RenderMan IPR only after HDR Light Studio connection has been launched.Otherwise RenderMan can compromise Maya's ability to correctly receive HDR Light Studio lighting updates.
#Pixar renderman environment free#
It is best to set RenderMan IPR to leave some CPU cores free for Maya and HDR Light Studio to use. It is possible to override this in HDR Light Studio and set it to use HDR, but this will cause Maya on MacOS to crash when used with RenderMan. HDR Light Studio will default to using the EXR file format for its content when used with RenderMan. It also does not occur when exporting the scene, or when using another renderer (tested with Arnold), so it seems to be RenderMan 22 only. This only occurs on Mac OS, and does not occur if the scene is imported first, and then the HDRLS frame buffer is started nor when starting the IPR inside Maya first and then importing the scene to HDRLS. On Mac OS, if the user imports the scene across to HDRLS after they have started the HDRLS frame buffer, the 'please wait' message will appear on the render view but it will not load, and Maya will hang in the background. Pixar know about the issue and are looking into it. You can still use the connection with RenderMan 23.1, looking at the IPR in Maya. There is an issue where RenderMan 23.1 is not currently sharing the IPR render image with the HDR Light Studio interface.
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