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In general, due to the nature of the way AutoCAD constructs surface geometry, the majority of materials should have “smooth” ENABLED.
This is due to using the same card for Octane rendering and for your Windows display adapter. It is highly recommend to have a separate card as your Windows display adapter (your on-board graphics card for example).
If you are using one card, set the Render Priority to Low.
For reference, Otoy has recommended registry settings that you should use:
In cases of the Windows Vista/7 “Timeout Detection and Recovery”, settings can be changed using Regedit. The recommended setting for Octane are registry setting HKLMSystemCurrentControlSetControlGraphicsDrivers, TdrLevel = 3, TdrDelay =10. If these settings are not already there, right-click the right panel -> New -> DWORD. Reboot after changing these settings.
The AutoCAD plugin does not have a node graph. Instead it uses a tree structure which enables macro type functions (copy, paste, import, export, etc.) which is more efficient and much better matches the AutoCAD workflow.
Not at this stage, but it is planned.
The GTX 500 series cards have a limit of 64 LDRImage formats that have 8 bits per color channel such as the common image formats JPEG, PNG, GIF among others. (8 bit) RGBA, 32 LDR (8 bit) greyscale, 4 HDR (16 bit) RGBA and 4 HDR (16 bit) greyscale texturemaps. The GTX 600 series cards have a limit of 144 LDR (8 bit) RGBA, 68 LDR (8 bit) greyscale, 10 HDR (16 bit) RGBA and 10 HDR (16 bit) greyscale texturemaps.
No, the memory available will be the memory capacity of the smallest card in your system. If you have a 1Gb and a 2Gb card, and need over 1Gb of memory for your scene, turn off the 1Gb card in the Cuda Devices tab of the plugin.
At this stage texture map scaling is implemented, however Octane does not currently support texture map offsets or rotations, nor disabling of tiling. To use these effects in your renders, manually adjust the texture maps in your image editing program.
When a Rhino scene is loaded which has Octane materials, the plugin checks to ensure the texturemap files for each Octane RGB Image node actually exist on your hard disk. If they do not, the plugin requests the user select a search path for locating the missing texturemap. If you “Cancel” at this point, searching for missing texturemaps is aborted (and if you open the Viewport, Octane will report an error for the missing texturemap, but the Viewport will still open and the render will still start). However, if you do not Cancel, and instead specify a search path. the plugin will search all folders inside that search path for the missing file(s). If the plugin encounters a folder within the search path for which the users does not have read access to (ie. the plugin cannot read the files in that folder), the message “You do not have read access to that folder” is displayed. If you get this error, refine the search path so that it is searching a folder which you do have access to.
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