Graphics Programs Reference
In-Depth Information
component in the model, leaving only the edges and surfaces (the
so-called raw geometry). Depending on the complexity of the model, this
can take a while: Certainly, there was plenty of time to go and make - and
drink - a cup of coffee. For this model, it took around an hour. Next, all the
surfaces were grouped according to their material. To do this, right-click
on a surface and choose the option Select > All with Same Material. The
selected surfaces were then grouped, named according to material, and
then hidden. When you cannot see any more geometry in your model, you
are done.
Tip
When all the surfaces are grouped according to material and then hidden,
you will probably still be left with a lot of stray lines and points that do not
belong to any particular material group - SketchUp's so-called, dreaded
“dust.” Hiding all the groups reveals this dust, so you can simply do a Select
All (Ctrl-A in Windows, and Cmd-A on the Mac) and delete it all before you
export the model.
FBX was chosen as the export format. From the Menu Bar, choose File >
Export > 3D Model … > FBX. In the Export Options dialog, make sure that
only the Export Texture Maps and Swap YZ Coordinates (Y is up) tick boxes are
checked. This last option is important, since SketchUp, like all CAD programs,
treats the blue (Z) axis as “up,” whereas Cheetah, like all digital content
creation applications, treats the Y axis as up.
FiG 12.16
SketchUp's Export Options
dialog box.
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