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Table of Contents
Online Help > AlpineQuest 2.x > Maps & Layers
Digital Elevation Model (DEM)
The application is able to download and store elevation values of remote locations and let you use them in various ways, even while being offline.
Those elevations come from various sources including the SRTMGL1(v3) database and are currently available between latitude 56°S and 60°N with a precision of 1 arc second.
How to activate the use of elevation values
To activate the download and use of elevation values:
- Click on the
“Maps”
menu and on“Options”
; - Check
“Download and use elevation data”
.
The application will download the elevation values around the displayed area and show the elevation of the screen center location together with its coordinates .
Be sure to have the screen center coordinates displayed.
How to check the coverage of stored data
You can visualize the coverage of stored elevation values by displaying the coverage layer:
- Click on the
“Maps”
menu and on“Available maps”
; - Click on the top left menu icon to display the left drawer menu;
- Select
“Elevation data”
in the left drawer menu;
- Select the
“DEM storage visualization”
layer .
Stored areas will be displayed over the current map .
How to get elevation profiles of tracks
When manually drawing a path or automatically drawing a path along roads over an area with elevation values stored, you can get the elevation profile and gain of the path:
- Click anywhere on the path and select its name ;
- Select
“Details”
.