This example shows the use of function topoGetAltitude() for reading the altitude information from the server, and the use of topoDrawGraph() function for drawing the altitude profile.

By clicking the map you add points to the path whose altitude profile can be displayed using the first button. The altitude profile may be used for example to evaluate the degree of difficulty for given path, or for verifying the visibility of the WiFi access point.

English units


Point: Latitude = , Longitude =