| |
Larry Pieniazek wrote...
> Ok, for anyone that wants to give this a whirl... I've attached a sample MPD.
> It has tubing the length I expect... 14 plates high. It renders fine in MLCad
> and in L3Lab (using the versions I posted earlier). Running it through either
> L3P or L3Lab to produce a POV file gives the shortened tubing effect.
> (snip)
>
> 1 14 -70 -129 50 0 0 -1 0 112 0 1 0 0 76.DAT
> 1 14 70 -129 50 0 0 -1 0 112 0 1 0 0 76.DAT
My "fake" seams seem to be the problem ;-)
As you can see on http://home16.inet.tele.dk/hassing/l3p_sw.html
I scale parts a little bit to make a seam between parts.
("parts" are here DAT files found in the PARTS directory [1])
Normally this works fine, because parts are never scaled, just rotated
and translated. However, you use 76.dat as a primitive by scaling it (by 112)
to the height you want. This scaling also enlarges the seam to become
112*0.5=56! So your tube gets 28 units shorter in each end!
I realize that I cannot assume that parts are never scaled (anyone disagrees?)
So I should probably check the determinant of the line type 1 matrix.
If it is not 1.0, I should adjust the seam width accordingly.
Until the next release of L3P/L3Lab you can
1) add 76.dat to your MPD (my vote)
2) move 76.dat from PARTS to P
/Lars
[1] I have been thinking about suggesting a property "0 FILETYPE PART"
to enable seams for parts in an MPD...
("0 FILETYPE PRIMITIVE" doesn't seem to have any use for the moment)
|
|
Message has 2 Replies:
 | | Re: tubing
|
| (...) Try looking for lines with the following: 0 [Official|Unofficial] ... [Part|Element|Primit...art|Model] I admit, the "Official/Unofficial" flag is kludgy, but I was working with what I had... Another MPD suggestion: 0 FILEEND. This would allow (...) (24 years ago, 3-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
| | | Re: tubing
|
| (...) MPD. (...) MLCad (...) either (...) Great sleuthing. I'd say that is it. The suggestion given earlier to create an ersatz part that embeds the scaled 76 in it, ensuring that the 76 is somewhere else, sounds like it might fool your scaler into (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
|
Message is in Reply To:
| | Re: tubing [DAT]
|
| In lugnet.cad.dev, Larry Pieniazek writes: Ok, for anyone that wants to give this a whirl... I've attached a sample MPD. It has tubing the length I expect... 14 plates high. It renders fine in MLCad and in L3Lab (using the versions I posted (...) (24 years ago, 30-Sep-00, to lugnet.cad.dev, lugnet.cad.mlcad)
|
20 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
