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New PT live date |
Posted by: Orion Pobursky - 2023-01-20, 3:02 - Forum: Parts Tracker Discussion
- Replies (1)
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Since I have a need to set deadlines for myself, the live date for the new PT will be February 1st. If that is missed, I'll resume normal PT ops (including the 2023-01 release) until March and try again.
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Call for Votes: Complementary conditional lines |
Posted by: Travis Cobbs - 2023-01-18, 3:02 - Forum: Standards Board
- Replies (7)
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Please vote on replacing the second paragraph of the overlaps section of the "LDraw.org Official Parts Library Specifications" document with the following:
Quote:All or part of a conditional line (line type 5) may not overlap all or part of any other conditional line (line type 5), with the exception of complementary conditional lines for curved primitives. Complementary conditional lines are placed at the end of curved primitives where those curved primitives may join with either a continuation of the curve, or with other geometry. In this case, the control points that are off of the edge of the curved primitive are placed so they are tangent to the curve.
If two such curves are placed next to each other (for example to turn a quarter cylinder into a half cylinder), the conditional lines on the edge of each primitive will overlap exactly, and their control points will complement each other such that at most one will be rendered at any given time, and one of the two will always be rendered when appropriate. When other geometry is placed against such a curved primitive, nothing needs to be done if the geometry is tangent to the curve. If it is sloped further, then a complementary conditional line will be placed on the edge of that geometry, with the control points past the edge of the geometry configured to be tangent to the curve, and the two end points of the conditional placed to exactly overlap the complementary conditional line on the edge of the curved primitive.
Example:
The first and last conditional lines in a cyli primitive have a control point that is tangent to the cylinder. When two such cyli primitives join, the two conditional lines complement each other, like so:
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Part 4809 subfile mentioning |
Posted by: Leon de Jong - 2023-01-13, 13:48 - Forum: General LDraw.org Discussion
- Replies (5)
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L.S,
On the parts tracker looking at Unofficial File parts/4809.dat, there's no Required (unofficial) subfile mentioned. But the part uses s\4247as02.dat
I got it resolved myself but I thought I'd mention it.
Cheers,
Leon
ps. The subfile is present in the ldrawunf.zip so when you download the bulk it's no problem and you'd probably won't even notice.
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