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  Side profile script help
Posted by: Cam's Bricks - 2020-08-25, 5:28 - Forum: LDraw Editors and Viewers - Replies (2)


I know this is possible but I know nothing of Regular expression. 

I would like to have a script that looks at the physical size of the model, then exports 6 images (one for each ortho view: front, back, left, right, top, and bottome) that are all at 300dpi based on the physical size. This will make a 1:1, 300dpi rendering of perfect size shots. 

Can someone help? I need it for making decals for many of the trains I create. 

Thanks in advance.

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  Disallow !KEYWORDS in subparts
Posted by: Chris Dee - 2020-08-25, 5:13 - Forum: Standards Board - Replies (4)

We disallow !KEYWORDS meta-statement in subparts, on the understanding that this language feature is provided to help LDraw users (of tools that implement it) to find 'parts' in the library. An LDraw user should not generally be interested in subparts.

The header checker used to verify files when building a Parts Update detects subparts containing !KEYWORDS and these are removed from the headers prior to release. There were a few instances of this error in unofficial files submitted prior to that header checker being implemented in the Parts Tracker submit script, which have now been corrected.

The documentation here, only talks about the meta-statement being used in parts, but does not explicitly state that it should not be used in subparts. The only sentence that comes close is in the Scope section:

Quote:The !KEYWORDS meta-statement may appear in models but it is not used in primitives.

Can we please extend that sentence with ', or subparts', and clarify this restriction in the Official Library Header Specification.

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  Dat file line type 1 explanation
Posted by: Cam's Bricks - 2020-08-25, 5:06 - Forum: LDraw Editors and Viewers - Replies (4)


I am trying to write some lines to scale a part in the PLI in Lpub3D. If I have it correct, I need to use the scaling functions in the line for this part. I read the article here https://www.ldraw.org/article/218.html but the only given parts are the x,y,z coordinates as the first 3 characters. 

Can someone explain what the rest of the numbers do? I know some are a scale, some are rotation, and I *think* that some are a repeat but I have no idea. 

1 <colour> x y z a b c d e f g h i <file>

I am looking at "a b c d e f g h i" in case my post makes no sense. 


PS if I am barking up the wrong tree, please help me understand. I have a custom part that renders MUCH to large in the PLI in Lpub3D and I would like it to show at a smaller size.

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  Parts in LDCad
Posted by: Sparky678911 - 2020-08-23, 21:08 - Forum: LDraw Editors and Viewers - Replies (41)

Hi everyone i have been using MLCad for a while and trying to use LDCad 1.6d now i am slowly getting there, but some parts in MLCad are not in LDCad how do i add them or import all the parts thanks

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  Looking for part 87556 (TIE Pilot Helmet)
Posted by: Merlijn Wissink - 2020-08-20, 11:43 - Forum: Part Requests - Replies (3)


I'm (kinda unexpectedly) also looking for part 87556. It's also available in LDD and ideally I have a (rough) version now, but I can't remember where to download those raw LDD converted parts. Any help?


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  Grand Unified Search
Posted by: Orion Pobursky - 2020-08-20, 2:13 - Forum: Website Suggestions/Requests/Discussion - No Replies

Here's a test preview of the "Grand Unified Search".

(Standard testpad disclaimer: This page changes a lot so may not reflect what is discussed here after the bulk of the discussion ends)

- Integrate Forum, OMR, and Wiki search
- Have a proper results page where search can be filtered, options chosen
- Index the parts library instead of scraping ptscan output

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  Bad illustration
Posted by: Magnus Forsberg - 2020-08-19, 20:34 - Forum: Website Suggestions/Requests/Discussion - Replies (1)

Could you please fix this illustration. Some of the arrows in the second image is wrong.

.png   ccw.png (Size: 11 KB / Downloads: 33)

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  67139 - Technic, Pin Connector Block, Liftarm 1 x 3 x 5 with Cutout
Posted by: SNIPE - 2020-08-19, 18:18 - Forum: Part Requests - Replies (6)

This part:


Is super useful used either as a 5th wheel or just a technic connector block.

It would be cool if it is in LDRAW but idk if anyone has it yet but,

I may buy some to use IRL so can maybe help figure out some of the geometry

I can see that it has 2x2 then 2x2 holes on the front, the inner of which are thru holes that span 3L. The two gaps cannot hold say a 1x1 beam because on the underside there is a face like on technic panels.

[Image: 67139.png][Image: img2.png]

[Image: img1.png]

Regards, Snipe

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  How does the Transformation Matrix changes the geometrie?
Posted by: Nils Meinerta - 2020-08-17, 9:24 - Forum: LDraw File Processing and Conversion - Replies (5)

Hello, I'm not sure if this is a stupid question, but I haven't been able to find an answer in the documentation.

I came across the subfile box2-7.dat in the basepart 3289s01.dat. In the file, the box is used for the backside of the slope. What I
don't understand is how the angle of the subfile changes form 90 degree to a different angle. As far as I understand can the transfomation
matrix only affect the rotation, position and scaling of the subfile. 

Here is the box2-7 subfile. As you can see, the angle between the two quads is 90 degree.
[Image: dWuFliZ.png]

And here is how the box2-7 subfile look in 3289s01.dat. The angle between the two quads is different as well as the dimensions.

[Image: zoILfQ9.png]

I changed the position so it is easier to see. Where in the files does the geometry change?

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  Template for rope / cord / string
Posted by: Ulrich Röder - 2020-08-16, 16:21 - Forum: Parts Authoring - Replies (7)

Template for rope / cord / string

Would be nice, but unfortunately not (yet) available.
Here is an example from the train set 4564-1:


(All important information is in the HELP section of the basic parts)

While it was still relatively easy to create this "straight" version with LDPE, it becomes almost impossible with arbitrary shapes.

At least I succeeded with C4d and a Python script, but unfortunately everything was "inlined" .... logically an extremely large file.
A proud 1,800 base parts along a Bezier spline with a continuous single twist of 22.5 ° and an overlap of 0.5 ldu.

Hopefully there will be a template at some point in which you can set these factors individually.

Still a few pictures about this:

It would of course be just as awesome to have such an option in LDPE with these parameters
basic subpart xyz
cloned 1799
twist 22.5
extension bezier spline reference
step 0.5 ldu

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