To download a DEM file from GeoGratis as was done in this tutorial, follow the instructions in this guide but select the Elevation tab instead of Raster.You may also find these related guides helpful as you work with DEM files:
Working with digital… Read more.
DEM
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Table of Contents
Introduction
Setting up working environment
Step 1 - Download the DEM dataset
Step 2 - Download City of Toronto boundary file
Step 3 - Setting up a working directory and establish folder connection
Clipping Rasters - Two ways… Read more.
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To locate and download data on an area of interest, using Toronto, Ontario as an example:
Begin by going to the GeoGratis homepage: http://geogratis.gc.ca and select your language of choice.
Under Geospatial Applications and Tools, click on… Read more.
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This document compiles online resources that help to build terrain 3D models with a variety of software-options. Brief introductions on the pros and cons of each option are provided.
Data Sources:
For the City of Toronto:
0.5 Meter interval… Read more.