[tilemaker] Note for mvt layers with OMT compability #tilemaker #omt #mbtiles #mvt

layer.list.md

TODO

• Add functions into docs (osm_lua_processing.cpp)
  • Area
  • Length
  • Holds
  • IsClosed
  • ScaleToMeter
  • ScaleToKiloMeter
  • Length
• Set OSM IDs

layers

• [o] aerodrome_label
  • basic
  • name:latin -> name:en
• aeroway
• boundary
• [.] building
  • basic
  • height
  • colour
• housenumber
• [o] landcover
  • basic
  • <z11
• [o] landuse
  • basic
  • <z11
• mountain_peak
  • basic
  • rank
• park
• place
• poi
• transportation
• transportation_name
• water
• water_name
• waterway

note.md

misc

• what is ZRES?
  • https://github.com/openmaptiles/postgis-vt-util/blob/master/src/ZRes.sql
  • ZRES6 = 2445.98
  • ZRES7 = 1222.99
  • ZRES8 = 611.5
  • ZRES9 = 305.7
  • ZRES10 = 152.9
  • ZRES11 = 76.4
  • ZRES12 = 38.2
  • ZRES13 = 19.1

transportation

z8 == gen3

- motorway, trunk, primary https://github.com/openmaptiles/openmaptiles/blob/1d91b9ef6e75f60da3d65ec2c51cdd0347127c1f/layers/transportation/update_transportation_merge.sql#L52-L56

z9 z10 == gen2

- motorway, trunk, primary, secondary, motorway_link, trunk_link, primary_link, secondary_link
- 

z11 == gen1

- motorway, trunk, primary, secondary, tertiary, motorway_link, trunk_link, primary_link, secondary_link, tertiary

transportation_name

• z8=gen2

  • motorway, trunk

• z9-z11=gen1

  • motorway, trunk, construction

  http://localhost:3000/#8.2/24.352/121.32

waterway

has name and water=river

• z9=important_gen3

  • 8000m

• z10=important_gen2

  • 4000m

• z11=important_gen1

  • 1000m

water

https://github.com/openmaptiles/openmaptiles/blob/master/layers/boundary/mapping.yaml

• z8=gen4
  • area > ZRES7^2 =~ 1495729
• z9=gen3
  • area > ZRES8^2 =~ 373932
• z10=gen2
  • area > ZRES9^2 =~ 93452
• z11=gen1
  • area > ZRES10^2 =~ 23378
• z12-14=osm_water_polygon

water_name

• z9-z13=osm_water_polygon->osm_water_point