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Inventor is a real-time 3D scene viewing technology introduced by
Silicon Graphics. There is a version of mental ray called ivray
that has Inventor support built in. It can be used to read scene files
and display and manipulate them in realtime on the screen, and rendering
and writing them back to disk. Since OpenGL and Inventor do not
support custom shaders, very simple shaders are used for the realtime
display. Although ivray can be used like a regular mental ray executable,
this is not recommended because it is larger and takes slightly longer
to start up. ivray is supported for Silicon Graphics systems only.
The following additional command line options are supported:
- -inventor
Enables the realtime Inventor viewing window. ivray will read
the scene file up to the first render command and then
create the Inventor window instead of rendering.
- -ivdrawstyle S1 S2
Static and moving objects will be drawn using styles S1 and
S2, respectively. Available styles are shade (shaded),
wire (wireframe), and box (bounding box). The default
is shade wire.
- -ivleaf on|off
If on, use the leaf instance list to collect objects
instead of replicating the mental ray scene graph as an
Inventor scene graph. This is useful for scenes with multiple
instancing. The default is off.
- -ivout "filename"
Write the scene as an Inventor scene file named filename.
- -ivrendercache on|off
Enable or disable Inventor object caching. This is on by default.
- -ivstrips on|off
Enable or disable triangle strips. Strips slightly increase
tessellation time but can significantly improve display
performance. Strips are enabled by default.
Next: 6.3 Environment Variables
Up: 6. Command Line Options
Previous: 6.1 mental ray
Copyright 2002 by mental images