OpenLSEF Topography & Assets

Type Feature Layer Description More Info See It
GENERAL Un-extractable area NO_SCAN_DATA Area where there is no/bad scan data
GENERAL Ambiguous / Area with issue ATTENTION Area where there is confusion about extracting a feature
GENERAL Area under construction CONSTRUCTION Temporary construction areas.
GENERAL Limit of DEM DEM_CLIP Limits of the Digital Elevation Model.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps TOP_OF_CURB Top edge of front face of curb.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps FLOW_LINE Bottom edge of front face of curb.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps EDGE_OF_PAVEMENT Also represents the lip of gutter, as well as edge of paved parking lot.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps EDGE_OF_GRAVEL Exterior edge of gravel in an area such as a gravel parking lot. Also - possibly edge of gravel on a highway with a asphalt overlay (i.e. the shoulder)
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps ACCESS_RAMP Area in curb where curb lines change elevation to match gutter or pavement elevation for accessability.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps DRIVEWAY Edges of paved area leading up to residential parking or commerical parking.
ROADWAY Curbs, Gutters, Edges of Driving Surfaces, Access Ramps DITCH Bottom of ditch alongside roadway
ROADWAY Center Line CENTER_LINE Center of roadway.
ROADWAY Paint markings PAINT_DASHED Painted lines on roadway for lanes, stop lines, or pedestrian crossings.
ROADWAY Paint markings PAINT_SOLID Painted lines on roadway for lanes, stop lines, or pedestrian crossings.
ROADWAY Paint markings PAINT_PEDESTRIAN CROSSING Painted lines on roadway for lanes, stop lines, or pedestrian crossings.
ROADWAY Pathway and Sidewalks SIDEWALK Edge of sidewalk when sidewalk is going through grassy area such as a park, also the back of sidewalk when sidewalk is adjoined to a curb.
ROADWAY Pavement Joins PAVE_JOINS Joints where section of concrete pavements meet
ROADWAY Railways RAIL Centerline of rail on top face
ROADWAY Barriers BARRIER Edges of barriers such as jersey barrier
ROADWAY Guard Rails GUARD_RAIL Metal and wood post barrier found at edge of roud typically around corners or in the middle of expressways.
ROADWAY Hand Rails HAND_RAIL Hand rails found on bridge walkways and along steps.
ROADWAY Fences FENCE_CHLK Fences around 1.8m in height are typically chainlink or wood.
ROADWAY Fences FENCE_CONC Fences around 1.8m in height are typically chainlink or wood.
ROADWAY Fences FENCE_WOOD Fences around 1.8m in height are typically chainlink or wood.
ROADWAY Fences FENCE_MISC Fences around 1.8m in height are typically chainlink or wood.
ROADWAY Fences GATE Access point or door built into fence.
ROADWAY Retaining Walls RETAINING_WALL Wall separating two different elevations of ground.
ROADWAY General Wall Structure WALL Vertical structure separate from building, potentially used as barrier
ASSETS Fire Hydrant FIRE_HYDRANT Found at street level at edge of road.
ASSETS Manholes MH Typically found at road surface, can also be on sidewalk or an open grassy area.
ASSETS Catch Basins CB Found as part of curb and gutter, typically at intersections, but can also be on any stretch of curb and gutter.
ASSETS Valves VALVE Typically found at road surface, often near fire hydrants and manholes.
ASSETS Culverts CULVERT Found at ditch bottom where road crosses over ditch.
ASSETS Road Signs SIGN Typical road signs types include "Stop Sign", "Yield Sign", "Pedestrian Crossing", "Speed Limit", etc.
ASSETS Road Signs SIGN_TEXT Text indicating sign type placed in plan view.
ASSETS Lights TRAFFIC_LIGHT Traffic control signal found either on mast arm extending over road, as a pedastal mounted signal, or a span supported signal.
ASSETS Lights LIGHT_POLE Can be stand-alone metal pole with light extending over road, or can be a light extending off of a wooden power pole.
ASSETS Lights LIGHT_STANDARD Large concrete base, around 0.6-0.9m tall, either cylindrical or rectangular in shape, which light poles are occasionaly mounted on top off.
ASSETS Lights CLEARANCES Dimension showing vertical spot clearance from road surface.
ASSETS Miscelaneous Features MISC_FEATURES Features that are not in this Asset list (i.e. fountains, sculptures, skylights / etc)
ASSETS General Utilities UTILITIES Junction boxes are most common feature to be added to MISC_UTILITES / includes Cable Pedestals / Electrical plug-ins / etc.
ASSETS Street Furniture PARKING_METER Found in parking lots or next to street side parking, typically 1.8-2.4m tall
ASSETS Street Furniture GARBAGE_CAN Only permanent street level garbage cans should be extracted. Moveable, or temporarily placed garbage cans (such as constructions bins) will not be extracted.
ASSETS Street Furniture MAILBOX Large group mailboxes typically rectangular and 1.2-1.8m tall. Can be between 0.6-2.4m wide, 0.6m deep.
ASSETS Street Furniture BIKE_STANDS Metal structure used to temporarily secure bicycles, vary widely in appearance depending on location.
ASSETS Street Furniture FLAG_POLE Vertical pole, small diameter
ASSETS Street Furniture BENCH Bench seating found at bus stops, street side, or parks.
ASSETS Street Furniture BUS_SHELT Typically a small structure which surround a single bench.
ASSETS Street Furniture BOLLARD Metal or concrete pole mounted at ground level, 1.2-1.8m tall
POWERLINES Power Pole POWER_POLE Vertical pole roughly 30-40cm in diameter, supports overhead wires.
POWERLINES Wires OVERHEAD_WIRE Wires found streetside at an elevation typically around 5m -10m above ground level in an urban setting.
POWERLINES Wires GUY_WIRE Support wires running from ground level to upper portion of power pole.
POWERLINES Attachement Points ATTACHMENT_POINT_OVERHEAD_WIRE Where overhead wires connect to power pole or to other wires.
POWERLINES Attachement Points ATTACHMENT_POINT_GUY_WIRE Where guy wires connect to power pole or other guy wires.
BRIDGES / OVERPASSES / PEDESTRIAN CROSSINGS Expansion Joints EXPANSION_JOINTS Separates bridge deck and pavement, perpendicular to road centerline.
BRIDGES / OVERPASSES / PEDESTRIAN CROSSINGS Approach Slabs APPROACH_SLAB Approach slabs to bridge (typ visible as cracks in pavement)
BRIDGES / OVERPASSES / PEDESTRIAN CROSSINGS Deck BRIDGE_DECK Driving surface across bridge.
BRIDGES / OVERPASSES / PEDESTRIAN CROSSINGS Abutment / Piers BRIDGE_SUPPORT Bridge supports at beginning and end of bridge (includes Piers)
BRIDGES / OVERPASSES / PEDESTRIAN CROSSINGS Bridge Structure BRIDGE_STRUCTURE Generalized bridge structure (i.e. underside of bridge / girders / etc.)
BUILDINGS / FACADES Buildings BLDG_FOUNDATION Exterior edge of building façade at ground level.
BUILDINGS / FACADES Buildings BLDG_EXTENT Exterior edge of building roof.
BUILDINGS / FACADES Building entrance points BLDG_DOOR_ELEV_BOTTOM Bottom sill of door where building is accessed.
BUILDINGS / FACADES Steps STAIRWAY Stairs

VEGETATION / LAND USE Trees, Clearings and Vegetation beds VEG_TREE Tree with a distinguishable trunk.

VEGETATION / LAND USE Trees, Clearings and Vegetation beds VEG_BUSH Bushes whether indivdual or grouped together
VEGETATION / LAND USE Trees, Clearings and Vegetation beds VEG_TREE_LINE Outer extents of a group of trees where individual trees can not be distinguished from each other. Or if driplines are required.
VEGETATION / LAND USE Playground Areas, Playing Fields (ball diamonds, soccer, football fields), golf course VEG_GRASS Where the edge of a grass area has not already been deleniated by other linework.
VEGETATION / LAND USE Water covered areas WATER Areas covered by water
VEGETATION / LAND USE Concrete Covered Areas CONC Areas covered by concrete (ie not delineated by sidewalks / other features)
VEGETATION / LAND USE Cobble Covered Areas COBB Areas covered by Cobbles (if pavement types are required)
Type Feature Layer Description See It More Info