Re: .iv to .flt

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Marcus Barnes (marcus++at++multigen.com)
Fri, 18 Oct 1996 11:41:44 -0700

On Oct 18, 7:56am, Christoph Brandt wrote:
> Subject: Re: .iv to .flt
> Marcus
>
> We tried to import Wavefront OBJ files in ModelGen II with the
> Import/Export, option but got only the pure geometry converted,
> no texture coordinates, no material definitions.
>
> Is this still valid ?

Yes in part. Texture coordinates are supposed to be imported, but that bug has
only recently been fixed (not released yet). Material conversion is done, but
only a subset of the definition is imported. Please see the attached man page
for details.

Please send RFE and bug reports to support++at++multigen.com

Regards.

--
   __  ___     ____  _ _____        Marcus Barnes, marcus++at++multigen.com
  /  |/  /_ __/ / /_(_) ___/__ ___  Technical Staff, MultiGen Inc.
 / /|_/ / // / / __/ / (_ / -_) _ \ http://www.multigen.com
/_/  /_/\_,_/_/\__/_/\___/\__/_//_/ PH:1-408-556-2654 FX:1-408-261-4102




     obj2flt(1)      UNIX System V (February 9, 1996)       obj2flt(1)


     NAME
          obj2flt - converts Wavefront (.obj) files to OpenFlight
          (.flt) format


     SYNOPSIS
          obj2flt [ -h ] [ -oname ] [ -r ] [ -t ] [ file ]


     DESCRIPTION
          obj2flt converts Wavefront (.obj) format files to OpenFlight
          (.flt) format files.


     OPTIONS
          -h   Prints a help message.


          -oname
               Saves the output file as name instead of using the
               default extension substitution naming convention.


          -r   Overwrites the output file, if one exists.


          -t   Triangulates non-coplanar polygons.


     NOTES
          Compatibility
               ASCII .obj and .mtl files


          Import
               Geometry and index assignments (.obj file)


               - Geometry vertices (v)
               - Vertex normals (vn)
               - Texture vertices (vt)
               - Faces (f) (fo)
               - Non-coplanar faces can be automatically triangulated
               on import
               - Wavefront group (g) names form MultiGen groups and
               objects.  (Ordering in .obj file is significant.)
               - Material assignments (usemtl)
               - Material libraries (mtllib)
               - Face and vertex colors are undefined in Wavefront;
               imported face colors are set to white; vertex color is
               left unset.


          Materials
               (.mtl file)


               - Names (newmtl)
               - Ambient (Ka)
               - Specular (Ks)
               - Diffuse (Kd)
               - Shininess (Ns)
               - All other data lines not processed


     Page 1                                          (printed 8/29/96)


     obj2flt(1)      UNIX System V (February 9, 1996)       obj2flt(1)


          Unsupported features


               - Point, line, and surface primitives
               - Curves and free-form surfaces
               - Smoothing groups, merging groups, objects
               - Display/render attributes
               - Texture files (texture vertices are imported, but not
               the textures themselves)


     SEE ALSO
          intro_fltcnv(1)


     COPYRIGHT
          Copyright c 1996 MultiGen, Inc.


     Page 2                                          (printed 8/29/96)





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