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map-elevation

An elevation service that uses DEM data in the HGT or GeoTIFF format.

API

GET https://elevation.map.santolibre.net/api/v1/elevation?encodedPoints=[encodedPoints]

Parameters

<table> <tr> <th>Parameter</th> <th>Description</th> </tr> <tr> <td>encodedPoints</td> <td>Points in the encoded polyline format (https://developers.google.com/maps/documentation/utilities/polylinealgorithm)</td> </tr> <tr> <td>smoothingMode</td> <td>None (default), WindowSmooth or FeedbackSmooth</td> </tr> </table>

Response

rangeElevations: array of [distance, elevation]

{
  rangeElevations: [[0, 302], [120, 342], [254, 296], [487, 246]]
}

GET https://elevation.map.santolibre.net/api/v1/metadata

Examples

Get elevations of a list of points

GET https://elevation.map.santolibre.net/api/v1/elevation?encodedPoints=ksiuxAe%60nzN_%40qFqBkTiByWeAoLk%40kPsB%7DF%5DcC

Get elevations of a list of points with smoothing

GET https://elevation.map.santolibre.net/api/v1/elevation?encodedPoints=ksiuxAe%60nzN_%40qFqBkTiByWeAoLk%40kPsB%7DF%5DcC&&smoothingMode=FeedbackSmooth

IIS configuration

If the elevation service is hosted in IIS the max query string size should be increased to allow larger elevation queries.

Either change/add the following setting in the web.config or globally in applicationHost.config

<requestLimits maxQueryString="16384" />