QGis Image Pathfinder is a plugin for QGIS 3.0 and up which finds near-optimal paths in raster images.
Follow these instructions to install and use this plugin
- Download the repository as a .zip folder.
- In QGIS, go to Settings→User Profiles→Open Activate Profile Folder.
- Extract the zipped folder and copy it into the
python/plugins/
subdirectory of the folder that opened. - Restart QGIS.
- In QGIS, go to Plugins→Manage and Install Plugins.
- Click on the "Installed" tab and click the checkbox next to "Image Pathfinder". Close the plugins window.
- Go to Processing→Toolbox or press Ctrl+Alt+T.
- Open the "Find Paths" group and double-click on "Find Path".