Subject:
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Re: Virtual locomotive MOC
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Newsgroups:
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lugnet.cad.ray
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Date:
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Mon, 1 Dec 2003 22:55:15 GMT
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Viewed:
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2157 times
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In lugnet.cad.ray Chuck Kabesh wrote...
> When I run POVRay on the L3P AddOn file I get two errors when I use LGEO pats:
>
> #declare _6081_dot_dat_clear = #if (QUAL = 0) box { <-40,0,-30>, <40,32,10> }
> #else object {
> // Brick 2 x 4 x 1 & 1/3 with Curved Top
> lg_6081_clear
> matrix <0,0,-20/LG_BRICK_WIDTH, -20/LG_BRICK_WIDTH,0,0,
> 0,-24/LG_BRICK_HEIGHT,0, 0,0,0>
> }
> #end
> This errors our with 'undeclared identifier lg_6081_clear. I can only resolve it
> by deleting the declaration.
This is a known error in the LGEO part.
Open lg_6081.inc in a text editor. You will see that there are two lines like:
#declare lg_6081 =
Change the second instance into
#declare lg_6081_clear =
> #declare _3650a_dot_dat = #if (QUAL = 0) box { <-32.98,-32.98,-8>,
> <32.98,32.98,12> } #else object {
> // Technic Gear 24 Tooth Crown
> lg_3650
> matrix <0,0,-20/LG_BRICK_WIDTH, -20/LG_BRICK_WIDTH,0,0,
> 0,-24/LG_BRICK_HEIGHT,0, 0,0,0>
> }
> #end
> This errors out with undeclared identifier lg_3650
> I can correct this by adding the 'a' after 3640.
In my lg_3650.inc I have added these lines a the end of the file:
/* temp fix for shortcoming of suffixed part names in L2P_ELMT.TAB */
#declare lg_3650 = lg_3650a;
#declare lg_3650_clear = lg_3650a_clear;
> When rendering MLCad part 32009 (Technic Liftarm 1x11.5 Double Bent) using
> LGEO, I get a completely different part. It is still a double bent liftarm but
> rather than having 1 axle hole and 6 holes on the long axis, it has 1 axle hole
> and 7 holes. On the short axis, it has 1 axlehole and 3 holes rather than 1
> axlehole and 2 holes.
> I could only resolve this by cutting and pasting all of the non-LGEO part files
> into the file. Any suggestions?
The lg_32009.inc has 2x4 errors, repeat this twice:
Change
#declare LENGTH = 6-4*MIR
into
#declare LENGTH = 5-4*MIR
Change
matrix <-1,0,0,0,1,0,0,0,1,-4*LG_BRICK_WIDTH,0,0>
into
matrix <-1,0,0,0,1,0,0,0,1,-3*LG_BRICK_WIDTH,0,0>
Change
translate <-8*LG_BRICK_WIDTH,0,0>
into
translate <-7*LG_BRICK_WIDTH,0,0>
Change
translate <8*LG_BRICK_WIDTH, 0, 0>
into
translate <7*LG_BRICK_WIDTH, 0, 0>
> Finally, I would appreciate any tips for improving the lighting. The camera and
> lighting settings for the front view follow:
You can add lights to your scene by inserting light.dat into the model,
or by specifying -lg/-lc options to L3P. It's trial and error to get good lighting...
/Lars
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 | | Virtual locomotive MOC
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| On Remberance day, I sat right here, watching the ceremonies at the Cenotaph from my 13th floor perch in New Westminster. When the skirl of bagpipes gave way to silence, I thought of my dad. And that always brings me to trains. Crunching through the (...) (21 years ago, 23-Nov-03, to lugnet.cad.ray, lugnet.build)
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