Subject:
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Re: winding check tool
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 15 Apr 2002 02:42:00 GMT
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Viewed:
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347 times
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In lugnet.cad.dev, Larry Pieniazek writes:
> Stupid question time. What's a recommended tool for checking (and
> correcting) winding? It's hard to tell if everything you lay down while
> making parts is CW or CCW and it's even harder if you're trying to review
> something.
To check a file for BFC'ness, see
<http://www.ldraw.org/library/tracker/ref/reviewfaq/>, question "How do I
check a file for BFC Compliance?".
To make a file BFC compliant, I recommend using LDAO's Editor. It includes
a tool to change the winding for the currently selected line(s).
My process when writing a BFC file:
0. I use L3Lab as my viewer for the Editor.
1. I generally write part files without worrying *too* much about CW or CCW
winding (I do make sure polygons are wound, ie, no bow-tie polygons).
2. I verify the part against L3P (the Editor has a tool for this, too - try
out Tools | L3P Check).
3. I turn on Options | Stop-at-Cursor.
4. In the L3Lab window, I turn on Test | mytest6.
5. Starting at the beginning of the file, I walk the cursor through every
polygon/subfile command, checking that they are wound properly. When I find
one that's backwards, I select that line, then click the red & white
ying-yang button on the Editor's toolbar. The popup toolinfo for the
ying-yang button says "Switch Polygon Winding".
Hope this helps,
Steve
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Message has 1 Reply:
 | | Question about DAT rendering
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| I've been toying around with a visual DAT editor/viewer for Mac OS X, and wanted to know if there is supposed to be any kind of guaranteed rendering order on commands within a DAT file. Obviously paying attention to STEP commands would be important, (...) (23 years ago, 16-Apr-02, to lugnet.cad.dev)
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Message is in Reply To:
| | winding check tool
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| Stupid question time. What's a recommended tool for checking (and correcting) winding? It's hard to tell if everything you lay down while making parts is CW or CCW and it's even harder if you're trying to review something. Is L3P what everyone uses? (...) (23 years ago, 14-Apr-02, to lugnet.cad.dev)
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