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Point Cloud classes

Updated yesterday

In Neara, we refer to the following point cloud classes:

Available classes

Class

Name used in formulas

Content

Examples

Ground

ground

General surface of the earth

Vegetation

veg

Vegetation:

  • Plants, trees, hedges, tall grass

  • Includes leaves, trunks, branches

Building

building

Buildings:

  • An enclosed structure that has walls and a roof

  • Includes roof, stairwells, balconies, verandahs, decks attached to the structure

  • Includes skyscrapers

Noise

noise

LiDAR points that do not represent real-world objects.

Created by incorrect sensor readings, disturbances in the atmosphere, jetstreams, clouds, etc.

Pole (non-power)

pole_np

Pole-shaped objects that are not used to support wires

  • Includes: street lights, street signs, stop lights, flag poles, miscellaneous tall “posts” over ~4m in height

Special

special

Unclassified points. Typically assigned to class number 0.

Stay/Guy

stays

A cable that connects a utility pole to the ground to counteract forces on the pole

  • Does not include cables that connect poles to other poles (“aerial stays”, which are classified as conductor)

Tower

tower

  • Includes: Lattice transmission towers, Lattice H-Frame transmission structures, structures more complex than a straight pole

  • Includes the insulators

  • Does not include jumper cables that connect the circuits (conductor)

Structure

structure

  • A utility pole

  • Includes cross-arms, transformers, other attachments, the insulators, solid cross-beam members and solid ground support beams

  • Does not include well-defined jumper cables

Conductor

cond

Electrified wide that is stringing to a pole, or between two poles.

  • Does not include insulators (included in structure)

  • Does not include wires inside substations

  • Includes jumper cables when clearly visible

  • Includes aerial stays between two poles

  • Distinct from Stay/Guy which is a non-electrified wire that connects a pole to the ground

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