Calculating the shortest paths with the QGIS network analysis library
As mentioned in the recipe, Calculating the shortest paths using the Road graph plugin, QGIS comes with a network analysis library, which can be used from the Python console, inside plugins, to process scripts, and basically anything else that you can think of. In this recipe, we will introduce the usage of the network analysis to compute the shortest paths in the Python console.
Getting ready
To follow this recipe, load network_pgr.shp from the sample data.
How to do it…
Instead of typing or copying the following script directly in the Python console, we recommend opening the Python console editor using the Show editor button on the left-hand side of the Python console:
- Paste the ...
Get QGIS: Becoming a GIS Power User now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
