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AliasToIv version 1.0 7/26/95 Copyright (c) 1995 Abaco Systems, Inc.
Call with questions Tel: (510) 494-0690
Fremont, CA, USA Fax: (510) 494-0893 or email: 3dsoftware@abaco.com
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AliasToIv converts Alias wire files to Inventor 2.0 files.
AliasToIv [-c complexity ] [-t texture_quality] [-v verbose_setting] [-h] [-f]
[-n] [-p] [-k knot_epsilon] [- | [outfile] ]
Where
Alias wire file to convert. If is absent or '-' input is taken
from stdin.
Inventor file. If is absent output goes to stdout.
-h
Display this usage guide
-v verbose
Give feedback on conversion process according to the verbose setting.
0 Do not print any summary. This is the default value.
1 Print a summary of the applied options and a count list of the
processed Alias entities.
2 Print a summary of the applied options, a count list of the
processed Alias entities, and the name of each Alias entity that
is processed.
-c complexity
The complexity setting to use in the inventor file. The value ranges from
0.0 (lowest complexity) to 1.0 (highest complexity) with the default being
0.5.
-t texture_quality
The texture quality setting to use in the inventor file. The value ranges
from 0.0 (lowest complexity) to 1.0 (highest complexity) with the default
being 0.1.
-o
Don't convert cameras. This makes it easier to examine the models when
they are loaded into ivview.
-f
Use one normal for each face rather than one normal for each vertex when
converting polysets.
-n
Convert all the trimming curve control vertices to non rational. Useful if
inventor won't display some of the trimmed surfaces.
-p
Convert all the trimming curves so that the first and last control
vertices are interpolated. Useful if inventor won't display some of the
trimmed surfaces.
-k knot_epsilon
Inventor has problems tesselating surfaces if the knots are close together
If a knot_epsilon is specified, the knot vector will be scaled so that the
knots are no closer together than knot_epsilon.
LIMITATIONS
Texture
1. Only the first texture attached to a shader is converted.
2. Procedural textures are not converted.
Shaders
1. Only the first shader attached to a surface or face is converted.
Lights
1. If a surface or face was linked to an exclusive light it will be
illuminated by both that light and all non-exclusive lights. However, it
should only be illuminated by the exclusive light. To implement this in
Inventor, the surface or face would have to be removed from the
hierarchy. It was decided that this was undesirable.
2. Area lights and linear lights are not converted.
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