Subject:
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Re: 3ds Max Import Script
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sun, 4 May 2008 08:47:41 GMT
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Viewed:
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10717 times
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What I did find was in the File Format
Specification, under the section on Line Type 1:
“Sub-files can be located in the LDRAW/PARTS sub-directory, the LDRAW/P
sub-directory, the LDRAW/MODELS sub-directory, the current file’s directory,
a path relative to one of these directories, or a full path may be specified.
Sub-parts are typically stored in the LDRAW/PARTS/S sub-directory and so are
referenced as s/subpart.dat, while hi-res primitives are stored in the
LDRAW/P/48 sub-directory and so referenced as 48/hires.dat.”
To restate this, the LDraw system has a standard directory structure like
this:
LDRAW/
|--- MODELS/
|--- P/
| |--- 48/
|--- PARTS/
|--- S/
And your importer should search the directories for subfiles in this order:
- LDRAW/PARTS
- LDRAW/P
- current directory
There is also some information about different “types” of files in the parts
library at File Types
FAQ.
Does this help?
Steve
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Hi Guys, thanks for the feedback, what I’ve done is basically take both
suggestions and merge them.
Basically what I’ve observed so far is that not all parts in the “Parts” folder
have the LDRAWORG meta tag (which denotes the type of file, part, primitive
etc...). So I’ve basically said at this moment, if it is an “LDRAWORG Part” or
the source files lives in the PARTS\ folder then it is “brick” primitive and
needs to be “welded” into a single mesh object. This can significantly reduce
the vert count and make max run A LOT smoother.
For example, part 3005 (1x1 Brick) takes 942 ploys and 1512 verts to construct
(the vert count is so high because of the lines, each line has 24 verts :P) in
its primitive form. When the overlapping verts are welded, I get 1393 verts
instead, saving some 200 verts. Doesn’t sound like much, but it adds up quick.
Plus, max can handle the “joined” elements much better. The car model use to
crash max after awhile, now, it’s smooth as...
It also makes it easier to manipulate and apply animation constraints to many of
the parts.
I can’t wait to rig a mini fig...but I have quite a bit more work to do before I
get there...unwrapping and texturing are on the list somewhere there...
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Message is in Reply To:
 | | Re: 3ds Max Import Script
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| (...) Hi Shane, This sounds like an interesting project. And useful. :) (...) I think any user of autodesk tools has cursed their name at some time or another. ;) (...) And, if you wanted, you could replace some of the imported "primitive bricks" (...) (17 years ago, 3-May-08, to lugnet.cad.dev, FTX)
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