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 Post subject: 07. Poly reducion with blender
PostPosted: Fri Jan 19, 2007 10:06 am 
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Graphicanissimus
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Joined: Tue Apr 27, 2004 9:56 pm
Posts: 252
Location: the other side of the moon
Blender contains a option to
reduce the poly count of a mesh since version 2.4.

This can be a handy function when your
target engine dosnt support a heightmap format and you're focused
on smaller mesh files for your landscape.

1.
Make sure to import a terrain patch file into blender.
Please read following tutorial how to export .obj files
from PnP TerrainCreator before doing this.

http://forum.pnp-terraincreator.com/viewtopic.php?t=97

Image

2.
This is how a imported terrain patch file looks like in blender.

Image

3.
Switch to edit mode and click on:
Mesh>Scripts>Poly Reducer

Image

4.
Define the poly reducing level.

Image

5.
Reducing the poly count will surly take
a while and uses a lot of memory.
After blender finished the calculation you
can export the low mesh version of the terrain again.

Image

Further information about this blender function can be found under
http://mediawiki.blender.org/index.php/ ... ng_Scripts

Links:
Blender Homepage
Wikipedia Blender article

Note:
A mesh export poly reducer is listed on our
todo list for the next PnP TerrainCreator release.

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