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Digital Elevation Models (DMTI)

Digital Elevation Models produced by DMTI, consists of a digital representation of a portion of the earth's terrain over a two dimensional surface. Created from the interpolation of the National Topographic Database (NTDB) 1:50,000 scale digital mapping (Standards and Specifications V3.0 and later). 30 metre resolutions captured from 1:50,000 NTDB. 90 metre resolutions resampled from the 30 metre.


DMTI DEM Example - Mont St-Hilaire

Access

Members of the À¦°óSMÉçÇø Community can obtain copies of the data by filling out the Geospatial Data Request Form. Please indicate the desired resolution 30 metres or 90 metres, and the desired NTS number(s). Example: 31H12 or 42A10. Please consult the NTS Map Indexes below to determine which DEMs you require.

Metadata

Title Digital Elevation Model [DMTI]
Author DMTI
Date Various. As derived from NTDB
Coverage Digital Elevation Model Coverage codes
NTS Map Index
Resolution 30 metres and 90 metres(resampled)
Language English
Format Text (ASCII grid)
Projection UTM (Universal Transverse Mercater)
Datum NAD83
User Agreement DMTI End User Agreement
Citation DMTI Spatial Inc. [computer file]. Digital Elevation Model, insert scale here, insert map code here. Markham: DMTI Spatial Inc.insert year here.

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