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MSFS20 Decoding MSFS CGL Formats

=Hollywood=

=Hollywood=

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Work in Progress...

So I'm doing a dive into MSFS internals and finally taking a look at a few things and discovered some things that don't seem to have been discussed as yet (some have but I'm building a master list).

There are several types of sub-formats:
  • bldn133 - Autogen Building Data possibly Microsoft Generated Building Footprints
  • bldo133 - Autogen Building Data possibly Open Street Map Building Footprints
  • dem330 - elevation data in encoded format
  • lcg021 - By file name appears to be landclass
  • lcg330 - By file name appears to be landclass
  • sai330 - need to investigate
  • vec311 - These are GEOJSON encoded vector files:
    • 6 Numbers Character File Name Length:
      • water - water_coastline, water_riverbank, water_reservoir, water_unclassified, water_wastewater, water_pond
    • 8 Numbers Character File Name Length:
      • land - land_aerodrome, land_beach, land_industrial, land_orchard, land_glacier, land_grass, land_residential, land_garden, land_solar_plant, land_plant_nursery, land_park, land_cemetery, land_caravan_site, land_pitch, land_vineyard, land_parking
      • river - river
      • road - road_trunk_lhd, road_trunk_rhd, road_motorway_lhd, road_motorway_rhd
      • water - water_coastline, water_unclassified, water_reservoir, water_riverbank, water_pond, water_wastewater
    • 10 Numbers Character File Name Length:
      • river - river
      • water - water_coastline, water_unclassified, water_reservoir, water_riverbank, water_pond, water_wastewater
    • 12 Numbers Character File Name Length:
      • land - land_beach, land_grass, land_aerodrome, land_pitch, land_park, land_industrial, land_orchard, land_cemetery, land_parking, land_glacier, land_residential, land_garden, land_solar_plant, land_plant_nursery, land_caravan_site, land_vineyard
      • point - point_tower_communication, point_mast, point_water_tower, point_tree, point_wind_turbine_horizontal, point_mast_communication, point_tower, point_tree_broadleaved, point_storage_tank, point_windmill, point_tree_needleleaved, point_tree_palm
      • power - power_tower, power_pole
      • rail - rail_heavy, rail_narrow_gauge, rail_disused, rail_preserved, rail_light, rail_monorail, rail_tram, rail_funicular, rail_subway
      • river - river
      • road - road_primary_lhd, road_primary_rhd, road_secondary_lhd, road_secondary_rhd, road_trunk_lhd, road_trunk_rhd, road_trunk_link_lhd, road_trunk_link_rhd, road_motorway_lhd, road_motorway_link_lhd, road_motorway_rhd, road_motorway_link_rhd
      • water - water_coastline, water_unclassified, water_reservoir, water_riverbank, water_pond, water_wastewater
    • 14 Numbers Character File Name Length:
      • land - land_beach, land_aerodrome, land_grass, land_pitch, land_park, land_industrial, land_orchard, land_cemetery, land_parking, land_glacier, land_residential, land_garden, land_solar_plant, land_plant_nursery, land_caravan_site, land_vineyard
      • rail - rail_heavy, rail_narrow_gauge, rail_disused, rail_preserved, rail_light, rail_monorail, rail_tram, rail_funicular, rail_subway
      • river - river
      • road - road_residential_rhd, road_track_lhd, road_service_rhd, road_tertiary_lhd, road_primary_lhd, road_primary_rhd, road_track_rhd, road_service_lhd, road_residential_lhd, road_unclassified_rhd, road_unclassified_lhd, road_primary_link_lhd, road_tertiary_link_lhd, road_secondary_lhd, road_secondary_link_lhd, road_tertiary_rhd, road_secondary_rhd, road_trunk_lhd, road_living_street_lhd, road_trunk_rhd, road_trunk_link_lhd, road_trunk_link_rhd, road_secondary_link_rhd, road_tertiary_link_rhd, road_living_street_rhd, road_motorway_lhd, road_motorway_link_lhd, road_primary_link_rhd, road_motorway_rhd, road_motorway_link_rhd
      • water - water_coastline, water_unclassified, water_reservoir, water_riverbank, water_pond, water_wastewater
  • vec330 - These are GEOJSON encoded vector files:
    • 10 Character File Name Length:
      • Land Glaciers
    • 13 Character File Name Length:
      • Land Glaciers
  • vecn133 - still investigating but it looks like "vecN" means vector natural, it appears to be 32bit floating point binary data
  • vgm133 - these are .webp images they appear to use a tiled bing imagery format for file names and looks like landclass type data defining what things like grass, water, impervious surface data etc appear in an area, I'm guessing Vector Man Made is the code. I'm not 100% what these are for as yet, they're 260x260 pixels for most and in MSFS quadkey format, I need to convert them to geotiff and with lat/lon data to take a look at the overall image/s. They appear to be LOD 15 (1,19m) from analysis and only cover a small geographical area.
  • vtc133 - still investigating, visual terminal chart data? i.e. airspace data?
 
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