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68 lines
2.6 KiB
Markdown
68 lines
2.6 KiB
Markdown
# TODO - Map quality
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## Geometry
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- bad polyline shifting remains
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- from the remaining cases, looks like we need to totally remove some tight points and retry
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- make polygons use the corrections too?
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- bad polyline shifting causes jagged lane endings in generalized_trim_back
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- handle small roads again somehow?
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- reduce degenerate min trim. stuff breaks -- underlying problem, fix it.
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- I40 has a long cut when merged, why not hit in the middle?
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- what if we allow intersections between infinite lines for merged cases?
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- try it bigger
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- deal with loop roads?
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- model U-turns
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- degenerate-2's should only have one crosswalk
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- then make them thinner
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- ped paths through sidewalk corners are totally broken
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- calculate the better paths first, then make the corner geometry from that?
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- car turns often clip sidewalk corners now
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- figure out what to do about yellow center lines
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- intersections on one-ways look weird
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- yellow and white lines intersect cars and turn icons and such
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- who should own drawing them?
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## More data
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- lanes: https://data-seattlecitygis.opendata.arcgis.com/datasets/49d417979fec452981a068ca078e7070_3
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- not filled out for most streets
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- traffic circles: https://data-seattlecitygis.opendata.arcgis.com/datasets/717b10434d4945658355eba78b66971a_6
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- https://data-seattlecitygis.opendata.arcgis.com/datasets/sidewalks
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- disagrees with OSM road centers sometimes
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- https://data-seattlecitygis.opendata.arcgis.com/datasets/curb-ramps
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- high quality thick roads: https://seattlecitygis.maps.arcgis.com/apps/webappviewer/index.html?id=86cb6824307c4d63b8e180ebcff58ce2
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- OSM has footways
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- but theyre not marked everywhere
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- and theyre hard to associate with roads (sometimes need to infer a planter strip)
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- draw ALL water and greenery areas
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- draw benches, bike racks
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- render trees
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- look for current stop sign priorities
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- https://gis-kingcounty.opendata.arcgis.com/datasets/traffic-signs--sign-point/
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## Low-priority geometry issues
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- if building front path intersects another building, then scrap that building.
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- or wait, just require bldgs to be even closer to sidewalk first.
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- need to do polygon vs polygon check!
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- will need to speed it up with quadtree containing entire buildings. make sure these are easy to use.
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- can we make OSM buildings with holes?
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- experiment with https://docs.rs/clipping/0.1.1/clipping/gh/struct.CPolygon.html and https://github.com/21re/rust-geo-booleanop
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## More problems to fix
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- Disconnected map
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- Some lane-changing model needed to determine this
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- Impossible turns (from a far bus lane to a crazy left)
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## Release
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- publish the map data
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- stabilize the code except for sim
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