triangular-irregular-network (English, SHP)

triangular-irregular-network: English SHP file (179 MB). From City of Toronto, updated Sep 2024. View metadata, licence and the direct download on CanQuery.

Format

SHP

Access

Original download only

Size

188,200,285 bytes

Publisher-reported update

2024-09-04

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

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