stream
Note - this plugin is not working with QGIS running on Mac-OSX due to a problem with the pyshed library.
To extract drainage junction points for stream sediment sampling a DEM in WGS84 Lat-Long covering the Project area will be necessary.
This plugin will assist you in creating sampling points at any drainage junction that will assist you during the stream sediment sampling process. Start it up from the Plugin menu.
To start the processing a final catchment point must be selected and should trace back to the entire Project area. Sometimes this catchment point is outside the Project area. Just right click the image to get the catchment point coordinates (it must be lat-long format).
Run the plugin using the parameters necessary: catchment point coordinates and maximum value at the catchment and minimal value.
After executing the plugin, the following message will appear:
The result will be the drainage system interpreted by pyShed and the drainage junction points.
The resulting sampling points can be clipped using the project polygon if necessary. You can do this using Vector->Geoprocessing Tools->Clip… menu item.
This file will be used during the creation of base maps that will integrate the apps.
