Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: [new part] Animal Bird (falcon)
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Wed, 2 Aug 2000 21:11:19 GMT
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Viewed:
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1194 times
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In lugnet.cad.dat.parts, Dennis Osborn writes:
> Here is the first version of the falcon that I feel confident releaseing to
> the public.
Overall, it looks good. It's definitely too squat (it should be 50LDU tall,
from the base to the top of the head), but you knew that already...
> This is the first piece I have modeled and I chose a difficult
> piece to do.
Yes, you did! You seem to be doing fine with it.
> (How do you attach a file to a message at lugnet without getting it included
> in the body of the message?)
Actually, you don't/can't.
> I used points with two decimal while others rarly use
> them at all.
Decimal usage depends heavily on the part.
When joining primitive-files to my own graphic primitives (lines, triangles,
etc), I will typically use 3 decimal places.
If I am estimating the position for a vertex on a part, I will tend to use
<=2 decimals, depending on how closely I can measure the part.
When writing a geometric primitive file, the standard is to use 4 decimal
places, because the primitives are so heavily scaled upwards.
For entering rotation/scaling/skewing values on a primitive- or sub-file,
using more decimal places may be useful, to provide more accurate results in
the transformed object.
> Also, I have left the bottom of the bird undone. On the
> piece, this is where the hole for the stud would be. Is it required to put
> it in?
Yes.
> If so, did my use of decimal screw up the use of a primative?
Uh, that shouldn't have any impact on adding more stuff. The core of the
stud-hole should be something like the following. BTW, I measured the depth
of the hole by inserting a light-sabre rod. It went in 32LDU before sticking.
1 16 0 0 10 6 0 0 0 1 0 0 0 6 4-4edge.dat
1 16 0 -4 10 6 0 0 0 1 0 0 0 6 4-4edge.dat
1 16 0 -4 10 4 0 0 0 1 0 0 0 4 4-4edge.dat
1 16 0 -32 10 4 0 0 0 1 0 0 0 4 4-4edge.dat
1 16 0 -32 10 -4 0 0 0 1 0 0 0 -4 4-4disc.dat
1 16 0 -32 10 4 0 0 0 28 0 0 0 4 4-4cyli.dat
1 16 0 -4 10 2 0 0 0 1 0 0 0 2 ring2.dat
1 16 0 -4 10 6 0 0 0 4 0 0 0 6 4-4cyli.dat
1 16 0 0 10 2 0 0 0 1 0 0 0 2 ring3.dat
One technique that can be useful for drawing parts of circles (like the base
of the bird) is to use the 1-4edge.dat primitive, fit it into the right
position, then inline the file. Then you can edit the inlined code,
removing any sections that don't fit in the part.
> Any suggestions of how I could improve the piece would be welcomed.
Just a few things:
1. Center the bird on the stud-hole.
2. Using the edge-color for the eye is a cool idea, but might not be the
best approach, because L3P and L3Lab will both complain about it. In every
model that ever uses this part.
3. Use a standard LCAD header on the file. Like this:
0 Animal Bird
0 Name: 2546.dat
0 Author: DENNIS OSBORN
0 Unofficial Element
4. Also, even if you don't make a file for the parrot, be sure to preserve
the comments about the wing-areas, so some later author can easily find the
bits that need to be modified.
Nice work, Dennis!
Steve
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Message is in Reply To:
 | | [new part] Animal Bird (falcon)
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| Here is the first version of the falcon that I feel confident releaseing to the public. This is the first piece I have modeled and I chose a difficult piece to do. I now have pov views of the file on my webpage. (URL) can get a copy of the dat file (...) (24 years ago, 2-Aug-00, to lugnet.cad.dat.parts)
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