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| New header METAs proposal |
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Posted by: Orion Pobursky - 2025-08-07, 21:04 - Forum: Official File Specifications/Standards
- Replies (11)
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Starting this as a separate thread since I think Peter had some good suggestions:
Quote:Getting back to the original topic; I wanted to discover some way of annotating official parts with a tag that states what would need to be fixed if a part for some other reason is being edited. IMHO, the "needs work" sounds appropriate although it is not currently used or even intended for such use.
Maybe !NEEDSWORK could be added as a meta instead of being appended to the description and/or comments/!HELP.
Why not create a !BRICKLINK meta specifically for taking care of the mapping? Or a !LINK meta with two arguments - one for the authority (e.g. BrickLink), and the other for the ID?
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| Implementation of chord primitives |
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Posted by: Peter Blomberg - 2025-08-07, 20:14 - Forum: Parts Authoring
- Replies (5)
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16-sided chords come in two types; 1-8, 3-16, 1-4, 5-16, 3-8, 7-16, and 2-4 are made of mostly quads while 5-8, 3-4, 13-16, and 7-8 are made of only triangles. I get that the final triangle count is the same no matter how the triangles are organized.
Nevertheless, the triangle-only solution has a lot of narrow triangles and they are concentrated to the same area. Why is that? I would understand it if the chords were created additively (previous chord + one triangle = next chord), but they aren't.
Should we do something about it?
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| Needs Work and Help |
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Posted by: Orion Pobursky - 2025-08-06, 21:56 - Forum: Official File Specifications/Standards
- Replies (12)
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For Needs work parts the header spec says:
Quote:If the part is good enough for public use, but has some deficiencies that need to be addressed, the text " (Needs Work)" (without the quotation marks) can be added to the end of the description. If the description includes "(Needs Work)", a comment must be added to the file immediately after the header that explains the work that needs to be done
However, while most parts have comments, some parts use !HELP. What standard should we enforce?
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| ARM64 Release? |
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Posted by: tom alphin - 2025-08-05, 2:10 - Forum: LDraw Editors and Viewers
- Replies (3)
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I have noticed that the 64 bit LDraw installer is especially slow when running on my current-generation ARM-based Windows PC (Surface Laptop, Copilot+ PC, Snapdragon® X Elite / 12 cores). The actual apps x64 run pretty well on the ARM device (via emulation), but I am sure an ARM compiled version of apps like LDview would be even better.
I was wondering if anyone has explored creating a native Windows ARM version of the LDraw suite, or even just the installer?
Sincerely,
---Tom
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| MLCad Source Code - x64 / ARM, multithreading optimizations? |
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Posted by: tom alphin - 2025-08-05, 2:05 - Forum: LDraw Editors and Viewers
- Replies (4)
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I still prefer MLCad because I am extremely familiar with the XY/YZ/XZ/Preview format which I grew up with developing Quake levels as a teenager. I know it is pretty dated software, but I was wondering if anyone has reached out to the developer to see if they are open to releasing the sourcecode.
I am not a professsional developer, but I suspect that it would be possible to recompile an x64 and/or ARM build with minimal changes if the source code were available. I also expect that some of the worst performance bottlenecks (ex: loading the "Select Part" dialog) could be addressed with minor coding optimizations, such as keeping the partlist in memory, or optimizing the code to make use of multithreaded CPU's.
Has this been explored in the past? Is anyone else interested in helping?
Sincerely,
---Tom
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