/display/openexr/compression

This sets the compression type for the OpenEXR output of renders. Valid options are: rle, zip, zips, piz, pxr24, b44, or b44a

/display/standarddsopath

This tells RenderMan where to look for display driver plugins

/display/texture/compression

Sets the compression algorithm to be used for the internal texture driver when creating OpenEXR format textures. The default value is none. Alternate values are rle, zip, piz, pxr24, b44, or b44a

/display/tiff/rowsperstrip

Tiff files are composed of strips containing part of the image. Strips may also be compressed individually. These strips contain rows and this setting can define the number of rows in each strip

/display/tiff/compression

Sets the compression algorithm to be used for the internal tiff driver. The default value is zip. Alternate values are zip, packbits, pixarlog, lzw, deflate, or none.

/displaytype/framebuffer | /displaytype/file

Allows a one level translation of the display type framebuffer or file, as specified in an RiDisplay call, to an alternate display type. The default translations for file is tiff, and the default translation for framebuffer is to use the value of the RMANFB environment variable if set, otherwise it will use x11 or windows, depending on the system.

/errorpath

Sets the directory where the error message files are to be found. The renderer and tools will look in this directory when reporting errors.

/licenseserver

Specifies a fully qualified name of the license file. Usage of /licenseserver can include either a pointer to a license server machine, e.g. 9010@hostname (where "hostname" is the name of the license server), or an explicit path to a pixar.license file, e.g. ${RMANTREE}/etc/pixar.license. Note that the pixar.license file, in the latter case, can be either a node-locked license or a redirect to a license server.

/prman/bucketsize

This sets the tile or bucket size for rendering images. This can often be overridden from bridge applications but farm rendering may rely on this setting and may affect distributed rendering. Larger bucket sizes are more efficient but consume more memory. This is equivalent to:

RiOption("limits", "bucketsize", (RtPointer)&*bs*, RI_NULL);

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/prman/texture/maxfiles
*maximum on Windows is 2048