RSL Information Function - option

float option( string name; output type variable )
Table 15.5 Data names known to the option function


















Name
Type 
Description
"Format"
uniform float[3]
The resolution (x, y) and pixel aspect ratio.
"DeviceResolution"
uniform float[3] 
The resolution (x, y) and pixel aspect ratio.  These are usually the three numbers passed to RiFormat, but may be different when RiFrameAspectRatioor RiScreenWindow are non-square.
"FrameAspectRatio"
uniform float
Frame aspect ratio.
"CropWindow"
uniform float[4]
Boundaries of the crop window.
"DepthOfField"
uniform float[3]
fstop, focallength, focaldistance.
"Shutter"
uniform float[2]
Shutter open and close time.
"Hider"
uniform string
The name of the active hider.
"Clipping"
uniform float[2]
Near and far clip depths.