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144 lines
6.2 KiB
Markdown
144 lines
6.2 KiB
Markdown
# TODO - Map quality
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## Boundary clipping
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- lakes missing from small_seattle
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- just connecting the ends of ways doesnt always work well
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- maybe increase the Bounds for areas, and let clipping clean up later?
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- some border intersections have weird OOBish geometry, or the arrows look weird
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- simplify border node detection, only do it in convert_osm?
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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. the disabled fix doesn't look great.
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- I40, I25, I0 cut corners when merged. disabled fix works, but breaks other things.
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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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- car turns often clip sidewalk corners now
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- draw SharedSidewalkCorners just around the ped path, not arbitrarily thick
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- dont forget to draw the notches
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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 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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- population
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- http://seattlecitygis.maps.arcgis.com/apps/MapSeries/index.html?appid=3eb44a4fdf9a4fff9e1c105cd5e7fe27
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- https://data.seattle.gov/Permitting/Rental-Property-Registration-Map/5a7u-vxx7
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- https://www.seattle.gov/transportation/document-library/reports-and-studies
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- https://commuteseattle.com/wp-content/uploads/2017/02/2016-Mode-Split-Report-FINAL.pdf
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- https://www.soundtransit.org/get-to-know-us/documents-reports/service-planning-ridership
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- https://gis-kingcounty.opendata.arcgis.com/datasets/parcels-for-king-county-with-address-with-property-information--parcel-address-area
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- PREUSE_DESC reveals landuse
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- http://guides.lib.uw.edu/research/gis/uw-lib_data has cool stuff, but .lyr??
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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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- now that LCing model is simple...
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- Impossible turns (from a far bus lane to a crazy left)
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- Buildings intersecting roads, probably because bad lane inference
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- when this happens, get rid of parking lanes first (one or both sides?)
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- iterative process... have to redo affected roads and intersections
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- we havent filtered buildings by proximity to sidewalk yet
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- if we dont filter at all, we pick up some houseboats! :) should draw water...
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- undo disabled traffic signal assertion
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## Map edits
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- lane type can affect border intersections
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- lane type can affect turn idx
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- assert turns are the same
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- crash when loading some edits (priori->bikelanez)
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- edit an intersection first, then change lanes to destroy turns. need to recalculate the policy, preserving edits!
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- just revert intersection and warn
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- or store overrides more granularly and warn or do something reasonable
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## Release
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- publish the map data
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## Sim bugs/tests needed
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- do bikes use bike lanes?
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- test that peds will use buses organically
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- make sure that we can jump to a ped on a bus and see the bus
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- park/unpark needs to jump two lanes in the case of crossing a bike lane or something
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- should only be able to park from the closest lane, though!
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## Discrete-event sim model
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- gridlock
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- get_car_positions will recurse?
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- laggy head stuff will be inefficient without prevention?
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- preventish... dont start turn unless target WILL have capacity
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- stronger is room_at_end now, but thats too strict
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- best-case static capacity wont help (we might have longer buses and over-commit)
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- worst-case static capacity will stop shorter cars from going when they legit could
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- look at current occupants, find where the back WILL eventually wind up (just add up lengths + following dist, actually), then reserve after that.
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- cleanup after the cutover
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- explicit tests making cars park at 0 and max_dist, peds walk to 0 and max_dist
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- proper intersection policies, by seeing full view
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- time travel mode can be very smart
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- dupe code for initially spawning vs spawning when a trip leg starts.
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- validation (just do it in spawn and return an error?)
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- getting the path
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- converting goal into router and such
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- is overtime necessary?
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- all the scoring/query stuff is so terrible
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- perf
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- speed up Scheduler
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- BinaryHeap
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- binheapplus not serde
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- std::cmp::Reverse not serde
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- so have to manually impl ord
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- BinaryHeap isnt PartialEq, which sim det stuff needs!
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- update() is very hard
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- priority_queue crate... internally uses hash, so serialization and determinism probably borked
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- dig into individual events, still too many?
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- for laggy heads, often round down and try slightly too early
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- change sim.step API to something like step_to_time
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- handle savestating better... use scheduler, but ensure at the end of that time
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- make the desired speed in editor work better
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