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Paint the crossings #17

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opened 2026-10-17 20:40:06 +00:00 by sermuns · 2 comments

sermuns commented

2026-10-17 20:40:06 +00:00

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The campus has 71 highway=crossing nodes and 60 crossing-tagged
traffic nodes, plus crossing:island (43, 9 of them yes) and
traffic_calming (36: 14 tables, 9 rumble strips, 5 humps, 5 chokers, 1
chicane). All of it is ignored.

highway=crossing is a point on a road, which is exactly the shape area-fill
zones and AREA_* decals already take, and the decal pipeline already exists
with a depth bias and a z-fight ladder (mesh::AREA_HEIGHTS). A zebra or a
marked crossing is a small striped polygon at the node.

crossing:traffic_signals (16) is different -- that is a pole with a head, so it
wants to be a prop rather than a decal. That is arguably its own issue; the paint is
the cheap half.

Related

#35 the level crossing is the same paint at a different place
#19 barrier=kerb is the boundary of the same thing
#39 crossings are lit
#51 the tag census this came from

The campus has 71 `highway=crossing` nodes and **60 crossing-tagged traffic nodes**, plus `crossing:island` (43, 9 of them `yes`) and `traffic_calming` (36: 14 tables, 9 rumble strips, 5 humps, 5 chokers, 1 chicane). All of it is ignored. `highway=crossing` is a point on a road, which is exactly the shape `area-fill` zones and `AREA_*` decals already take, and the decal pipeline already exists with a depth bias and a z-fight ladder (`mesh::AREA_HEIGHTS`). A zebra or a marked crossing is a small striped polygon at the node. `crossing:traffic_signals` (16) is different -- that is a pole with a head, so it wants to be a prop rather than a decal. That is arguably its own issue; the paint is the cheap half. --- **Related** - #35 the level crossing is the same paint at a different place - #19 `barrier=kerb` is the boundary of the same thing - #39 crossings are lit - #51 the tag census this came from

sermuns referenced this issue

2026-10-17 20:43:48 +00:00

Colour paths by their surface, not their highway class #16

sermuns referenced this issue

2026-10-17 20:43:51 +00:00

Bake the barrier kinds the barrier filter misses #19

sermuns referenced this issue

2026-10-17 20:44:07 +00:00

Bake the disused railway and its level crossing #35

sermuns referenced this issue

2026-10-17 20:44:12 +00:00

Light the campus at night #39

sermuns added the

feature request

easy

labels

2026-10-19 22:14:02 +00:00

sermuns added this to the Terrain & paths milestone

2026-10-19 22:18:40 +00:00

sermuns referenced this issue

2026-10-20 08:49:28 +00:00

Give the ground and paths surface detail #83

sermuns commented

2026-10-22 12:27:01 +00:00

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Owner

The signal heads are in. The paint is not.

highway=traffic_signals now bakes as PROP_TRAFFIC_SIGNAL, a pole with a head (dafe0e3). That was the part this issue called "arguably its own issue", so it is out of the way.

The paint is still missing: the 71 highway=crossing nodes and the 60 crossing-tagged traffic nodes draw nothing. A zebra is a small striped polygon at the node, and the decal ladder with its depth bias and z-fight ladder is already there.

barrier=kerb is the boundary of the same thing and is still unbaked (#19).

The signal heads are in. The paint is not. `highway=traffic_signals` now bakes as `PROP_TRAFFIC_SIGNAL`, a pole with a head (`dafe0e3`). That was the part this issue called "arguably its own issue", so it is out of the way. The paint is still missing: the 71 `highway=crossing` nodes and the 60 crossing-tagged traffic nodes draw nothing. A zebra is a small striped polygon at the node, and the decal ladder with its depth bias and z-fight ladder is already there. `barrier=kerb` is the boundary of the same thing and is still unbaked (#19).

sermuns commented

2026-10-22 12:31:25 +00:00

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Owner

Two details from the current extract, to go with the above.

The signal poles that bake are the 5 highway=traffic_signals nodes. The crossings' own signals are a different tag, crossing:signals, and there are 16 of them, so those are still unbaked.

The paint data is there too: 1 crossing=zebra, 1 crossing=marked, 5 crossing:markings=yes, 9 crossing:island=yes, and 60 crossing tags in all (42 uncontrolled, 11 traffic_signals, 4 informal, 1 unmarked). The marked and the zebra crossings are the ones worth painting.

Two details from the current extract, to go with the above. The signal poles that bake are the 5 `highway=traffic_signals` nodes. The crossings' own signals are a different tag, `crossing:signals`, and there are 16 of them, so those are still unbaked. The paint data is there too: 1 `crossing=zebra`, 1 `crossing=marked`, 5 `crossing:markings=yes`, 9 `crossing:island=yes`, and 60 `crossing` tags in all (42 uncontrolled, 11 traffic_signals, 4 informal, 1 unmarked). The marked and the zebra crossings are the ones worth painting.

sermuns referenced this issue from a commit

2026-10-23 14:24:11 +00:00

(slop) paint the marked crossings

sermuns referenced this issue from a pull request that will close it,

2026-10-23 14:24:20 +00:00

Paint the marked crossings #136

sermuns referenced this issue

2026-10-23 14:53:10 +00:00

bake tagged ground, and give the paths, water and verges their detail #142

sermuns closed this issue

2026-10-23 15:02:46 +00:00