Open-source map-based AHN elevation visualization sample app

Using the code

There are two ways in which this functionality can be used:

1. With VIKTOR, out-of-the-box, using our free version.
2. Without VIKTOR, in that case you create the following yourself: Parametrization of geo-location, map view interface, and output visualization.

Here, you see a snippet of the application code. With the following seven lines of Python code you can create map views (return MapResult(features)) and enable users to put lines on the map (params.geo_polyline). Get the full application code from our GitHub repository.

1@MapView('Map', duration_guess=1) 
2def get_map_view(self, params: Munch, **kwargs: dict) -> MapResult: 
3  """Set the map view on which the line can be drawn for which the AHN values are wished to be known""" 
4  features = [] 
5  if params.geo_polyline: 
6    features.append(MapPolyline.from_geo_polyline(params.geo_polyline)) 
7return MapResult(features) 

The video shows the functionality being used in a VIKTOR application.

Ground level profiles in 3 steps

As you can see in the video, the process of creating ground level profiles with the sample application consists of three easy steps:

1. Drawing a polyline on a map (using a GeoPolylineField)
2. Filling in the required resolution of the resulting profile
3. Showing the elevation profile based on AHN3 in a Matplotlib plot

Use our free version to start using this app!