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Using Mathematica to generate OOGL files

The package `OOGL.m' allows Mathematica to write graphics objects in OOGL format. To use it, give the command << OOGL.m to Mathematica to load the package. The WriteOOGL[file,graphics] command writes an OOGL description of the 3D graphics object graphics to the file named file.

This package also provides the Geomview command which sends a 3D graphics object to Geomview. The first time you use this command it starts up a copy of Geomview. Later calls send the graphics to the same Geomview. There are two ways to use the Geomview command.

Geomview[graphics]
Sends the 3D graphics object graphics to Geomview as a geom named Mathematica. Subsequent usage of Geomview[graphics] replaces the Mathematica object in Geomview with the new graphics.
Geomview[name,graphics]
Sends the 3D graphics object graphics to Geomview as a geom named name. You can use multiple calls of this form with different names to cause Geomview to display several Mathematica objects at once and allow independent control over them.
% math
Mathematica 2.0 for SGI Iris
Copyright 1988-91 Wolfram Research, Inc.
 -- GL graphics initialized --

In[1] := <<OOGL.m
 
In[2] := Plot3D[Sin[x + Sin[y]], {x,-2,2},{y,-2,2}]

Out[2] := -Graphics3D-

This displays graphics in the usual Mathematica way here.

In[3] := WriteOOGL["math.oogl", %2]

Out[3] := -Graphics3D-

This displays nothing new but writes the file `math.oogl'. You can now load that file into Geomview on any computer. Alternately, you can use the Geomview command to start up a copy of Geomview from within Mathematica.

In[5] := Geomview[%2]

Out[5] := -Graphics3D-


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