Data · dataset · 2020
Ontario Digital Elevation Model (Imagery-Derived)
Listed in Ontario Open Government Data
The digital elevation models (DEM) are 2 m resolution raster elevation products that were generated from the Ontario Classified Point Cloud (Imagery-Derived) data.
Description
The point clouds were created via a pixel-autocorrelation process from the stereo aerial photography of the Geospatial Ontario (GEO) imagery program. The DEM does not represent a full ‘bare-earth’ elevation surface.
There are areas where there are very few points classified as ground and interpolation has occurred across the resulting voids. Points classified as ground have not been assessed for accuracy to determine if they represent true ground features. Some features are still raised above ground surface, such as larger buildings, larger forest stands and other raised features.
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This data is for geospatial tech specialists, and is used by government, municipalities, conservation authorities and the private sector for land use planning and environmental analysis.
Links
Get the data
- geohub.lio.gov.on.ca /datasets/mnrf::ontario-digital-elevation-model-imagery-derived ↗
Ontario Digital Elevation Model (Imagery-Derived)
download · from data ontario ca
- geohub-fr.lio.gov.on.ca /datasets/mnrf::mod%C3%A8le-altim%C3%A9trique-num%C3%A9rique-de… ↗
Modèle altimétrique numérique de l’Ontario (données dérivées de l’imagerie)
download · from data ontario ca
Where it is published
- Ontario Open Government Data dataset page data.ontario.ca/dataset/ontario-digital-elevation-model-imagery-derived ↗
landing page · from data ontario ca
Catalogue records · 1
- CKAN API data.ontario.ca/api/3/action/package_show?id=90a9edf0-06db-4355-91ce-c0123c86f… ↗
metadata API · from data ontario ca
Topics
- From keywords
- Earth & Environmental Science
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| Ontario Open Government Data | 90a9edf0-06db-4355-91ce-c0123c86f23b | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| created_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| description | source · data ontario ca | connector:data_ontario_ca@1.0.0 | /notes |
| license_text | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| publication_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| title | source · data ontario ca | connector:data_ontario_ca@1.0.0 | /title |
| updated_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 |