Additional Layers

In addition to our standard 2D and standard topo layers, AirWorks also offers a wide selection of add-on layers, all of which can be added to a project at the time you place an order. After you select your bundle, you will be able to manually select one or more of the layers listed below.

As opposed to our standard layers, which are included with your subscription plan and bundle processing, these add-ons are charged on a per-acre basis and need to be paid for via credit-card when placing the order.

List of add-on layers:

Utility Structures (042)	(Water Tower, Water Tank, Gas Tank)
AirWorks Layer Name	U-UTILITY-STRUCTURE
What’s included/classified?	A large, usually cylindrical metal structure of substantial size. A tower supporting a water tank.
How it’s drafted?	Closed polyline labeled at the outside edge of the structure as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended

Utility Boxes (043)	(Generator, Transformer, Telecom, Traffic Cabinet)
AirWorks Layer Name	U-UTILITY-BOX
What’s included/classified?	Box-shaped enclosure ranging in size from a refrigerator box to a medium size truck located in the vicinity of Roads (Catalog Number 000).
How it’s drafted?	Closed polyline labeled at the outside edge of the structure as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.08′ minimum, 0.04′ recommended Distortion – 4 minimum, 5 recommended

Utility Roof Structures (043)	(HVAC)
AirWorks Layer Name	U-UTILITY-ROOF
What’s included/classified?	Heating, ventilation, and air conditioning (HVAC) enclosures located on the top of a building.
How it’s drafted?	Closed polyline labeled at the outside edge of the structure as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Solar Panels (045)
AirWorks Layer Name	U-SOLAR
What’s included/classified?	A panel designed to convert sunlight to utility power or used for heating purposes. Ground-standing panels only.
How it’s drafted?	Closed polyline labeled at the outside edge of the structure as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.5′ minimum, 0.25′ recommended Distortion – 3 minimum, 4 recommended

Fire Hydrants (046)
AirWorks Layer Name	U-HYDRANT
What’s included/classified?	A valve-controlled spout from which underground utility water may be drawn. Excludes standpipes.
How it’s drafted?	Block placed at center of unit, not scaled to edge.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.08′ minimum, 0.04′ recommended Distortion – 4 minimum, 5 recommended

Utility Poles (047)	(Traffic, Telephone, Light)
AirWorks Layer Name	U-POLE
What’s included/classified?	A tall pole used to carry power utility wires above the ground, and any equipment mounted thereon. For transmission pylons see Catalog Number 049.
How it’s drafted?	Block placed at center of unit, not scaled to edge.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Overhead Wires (048)
AirWorks Layer Name	U-OVERHEAD-WIRE
What’s included/classified?	Pole-supported distribution level overhead power utility wires. For transmission lines, see Catalog Number 049.
How it’s drafted?	Single polyline starting at the center of a utility pole block, and extending to the center of the next utility pole block.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Transmission Pylons & Poles (049)
AirWorks Layer Name	U-TRANSMISSION-POLE U-TRANSMISSION-WIRE
What’s included/classified?	Transmission pylons support high-voltage overhead power lines, usually within a utility right-of-way. Includes power lines. For distribution-level utility poles and wires see Catalog Numbers 047 and 048, respectively.
How it’s drafted?	Pylon/Pole: Block placed at center of unit, not scaled to edge. Wire: Single polyline starting at the center of a utility pole block, and extending to the center of the next utility pole block.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended

Gravel (038)
AirWorks Layer Name	V-GRAVEL
What’s included/classified?	A loose aggregation of small stones.
How it’s drafted?	Closed polyline labeled at the outside edge of the gravel as determined by surface material. Where there is no defined edge, the line will follow where the surface material is distinguishable.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Vegetation Split (039)	Single Trees, Tree Lines, Bushes, Shrub Lines, Landscape Areas
AirWorks Layer Name	V-STREE V-TREELINE V-LANDSCAPE V-BUSH
What’s included/classified?	Single Trees: Any distinct singular tree not in contact with any other vegetation. Tree Lines: A group of Single Trees of any size and shape for which the extent of individual trees cannot be identified. Bushes: Any distinct individual bush not in contact with any other vegetation. Shrub Lines: A group of Bushes of any shape for which the extent of individual bushes cannot be identified. Landscape Areas: Manually-maintained areas of land consisting of planted shrubs, trees, or other vegetation.
How it’s drafted?	Single Trees: Block placed at the apparent center of the canopy. Tree Lines: Closed polyline labeled at the outside edge of the vegetation canopy (edge of leaves or branches). Bushes: Block placed at the apparent center of the canopy. Shrub Lines: Closed polyline labeled at the outside edge of the vegetation canopy (edge of leaves or branches). Landscape Areas: Closed polyline labeled at the outside edge of the landscape area as determined by surface material. Where there is no defined edge, the line will follow where the surface material is distinguishable.
Split layer option	Split into the layers above
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

3D Building Footprints (020)
AirWorks Layer Name	B-FOOTPRINT
What’s included/classified?	Outline of the base of a building or any other occupiable structure.
How it’s drafted?	Closed polyline labeled at the outside edge of the location where the building and ground appear to intersect. We interpolate through obstructions over a short distance (i.e. under vegetation). Sections will be left blank if unable to interpret.
Split layer option	None
Example	None
Input data format	.las
Input data quality requirements	RMSEz – 0.32′ min GSD Source Imagery – 0.32′ min, 0.16′ recommended

Concrete Pad (021)
AirWorks Layer Name	C-CONC-PAD
What’s included/classified?	Any concrete surface typically used for equipment and structures.
How it’s drafted?	Closed polyline labeled at the outside edge of the concrete as determined by surface material. We interpolate through obstructions over a short distance (i.e. under Vegetation)
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Railroad (029)
AirWorks Layer Name	R-RAILROAD
What’s included/classified?	A track or set of tracks consisting of parallel rails intended for railroad vehicles.
How it’s drafted?	Single polyline labeled at the center of each rail. For 3D (top of rail) approximate elevation/z-value added for each node along the polyline. We interpolate through obstructions over a short distance (i.e. under Vegetation)
Split layer option	eNone
Example
Input data format	.tif (2D) .las (3D)
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended (3D Only) RMSEz – 0.1′ min

Docks (036)	(Piers & Gangway)
AirWorks Layer Name	S-DOCK
What’s included/classified?	A structure extending alongshore or outwards from the shore into a body of water.
How it’s drafted?	Closed polyline labeled at the outside edge of the dock as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended

Decks (037)
AirWorks Layer Name	S-BUILDING-FEATURE
What’s included/classified?	A wood or composite platform connected to a Building (Catalog Number 003).
How it’s drafted?	Closed polyline labeled at the outside edge of the deck as determined by surface material.
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended

Walls (032)
AirWorks Layer Name	S-WALL
What’s included/classified?	A freestanding linear structure made of stone or concrete intended to be a barrier or retainer.
How it’s drafted?	Closed polyline labeled at the outside edge of the front and back of wall as determined by surface material. We interpolate through obstructions over a short distance (i.e. under Vegetation)
Split layer option	Stone Walls, Concrete Walls
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended

Wall Split
AirWorks Layer Name	S-WALL-CONC S-WALL-STONE
What’s included/classified?	A freestanding linear structure made of stone or concrete intended to be a barrier or retainer.
How it’s drafted?	Closed polyline labeled at the outside edge of the front and back of wall as determined by surface material. We interpolate through obstructions over a short distance (i.e. under Vegetation)
Split layer option	Split into the layers listed above
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Fences (034)
AirWorks Layer Name	S-FENCE
What’s included/classified?	A freestanding linear structure made of vinyl or wood intended to form a boundary.
How it’s drafted?	Single polyline labeled at the center of fence. We interpolate through obstructions over a short distance (i.e. under Vegetation)
Split layer option	Fence Lines, Guard Rails, Railings
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Fence Split
AirWorks Layer Name	S-FENCE S-GUARDRAIL S-RAILING
What’s included/classified?	Single polyline labeled at the center of fence. We interpolate through obstructions over a short distance (i.e. under Vegetation)
How it’s drafted?	Fence Lines: A freestanding linear structure made of vinyl or wood intended to form a boundary. Guard Rails: A freestanding linear structure at the side of a road intended to form a barrier. Railings: A freestanding linear structure at the side of a walking surface intended to form a barrier.
Split layer option	Split into the layers listed above
Example
Input data format	.tif
Input data quality requirements	GSD – 0.16′ minimum, 0.08′ recommended Distortion – 4 minimum, 5 recommended

Pavement Markings (004)
AirWorks Layer Name	R-PAVEMARK
What’s included/classified?	Any painted markings visible on Roads (Catalog Number 000).
How it’s drafted?	This layer is delivered in three different possible formats; single polyline labeled at the centerline of thin pavement markings, closed polyline labeled at the outside edge of thick pavement markings, closed polyline labeled at the outside edge of pavement marking symbols and lettering. We interpolate through obstructions over a short distance (i.e. under cars).
Split layer option	None
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended (symbols and text require under 0.1′) Distortion – 3 minimum, 4 recommended

Golf Course Split (Tee, Green, Fairway, Bunker)
AirWorks Layer Name	G-BUNKER G-FAIRWAY G-GREEN G-TEEBOX
What’s included/classified?	Golf course Bunkers, Fairways, Greens, and Teebox areas. Examples given on labeled image below.
How it’s drafted?	Closed polyline labeled at the outside edge of each area type as determined by surface material.
Split layer option	Split into the layers listed above
Example
Input data format	.tif
Input data quality requirements	GSD – 0.25′ minimum, 0.16′ recommended Distortion – 4 minimum, 5 recommended