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ctmconv - file format converter for 3D models


ctmconv infile outfile [options]


ctmconv is a 3D file converter that can convert 3D model files to and from several
different formats.

The file infile is loaded, and then saved as outfile in the target file format.

The input and output file formats are determined from the file endings.


The following options are available:

--scale arg Scale the mesh by a scalar factor.

--upaxis arg Set up axis (X, Y, Z, -X, -Y, -Z). If != Z, the mesh will be flipped.

--flip Flip triangle orientation.

--calc-normals If the source file does not contain any normals, calculate them.

--no-normals Do not export normals.

--no-texcoords Do not export texture coordinates.

--no-colors Do not export vertex colors.

--comment arg Set the file comment (default is to use the comment from the input file,
if any).

--texfile arg Set the texture file name reference for the texture (default is to use the
texture file name reference from the input file, if any).

When exporting an OpenCTM file, the following options are also available:

--method arg Select compression method (RAW, MG1, MG2).

--level arg Set the compression level (0 - 9).

--vprec arg Set vertex precision (only for MG2).

--vprecrel arg Set vertex precision, relative method (only for MG2).

--nprec arg Set normal precision (only for MG2).

--tprec arg Set texture map precision (only for MG2).

--cprec arg Set color precision (only for MG2).


The following 3D model file formats are supported: OpenCTM (.ctm), Stanford triangle
format (.ply), Stereolitography (.stl), 3D Studio (.3ds), COLLADA 1.4/1.5 (.dae),
Wavefront geometry file (.obj), LightWave object (.lwo), Geomview object file format
(.off), VRML 2.0 - export only (.wrl).


ctmconv is designed to be portable, and is available for several different systems,
including (but not limited to): Windows, Mac OS X (10.3+), Linux and OpenSolaris.

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