Triangular Irregular Network (TIN)

Triangular Irregular Network (TIN) polygon elevation data. This TIN was derived from a 2023 LiDAR-derived 2.5 metre resolution bare-earth elevation source data.

Attributes

Avg_Elev - Average Elevation of the polygon

Aspect - Directional measure of slope

Slope - Rate of change of elevation at a surface location in degrees

Ptg_Slope - Percentage Slope - Rate of change of elevation at a surface location as a percentage

Datum:

  • Horizontal: NAD83 (CSRS) / MTM zone 10 (EPSG:2952)

  • Vertical: CGVD2013

Data and Resources

Additional Info

Field Value
Dataset Category Document
Refresh Rate As available
Collection Method
Excerpt Triangular Irregular Network (TIN) polygon elevation data. The data includes above ground features that are compatible with the creation of a digital surface model (DSM).
Limitations
Owner Division Information & Technology
Owner Section
Owner Unit
Owner Email gcc@toronto.ca
Author Email gcc@toronto.ca
Maintainer Email gcc@toronto.ca
Author gcc@toronto.ca
Civic Issues
Formats SHP
Topics
  • Locations and mapping
  • Development and infrastructure
Source
Information URL
Image URL
Last Updated 2024-09-04 19:27:22
Is Retired? False
Date Published 2019-07-23 18:08:43.987356