QGISHydro Webinar 1: Georeferencing and digitizing vectors
Channel: Hans van der Kwast
Date: 2020-03-21

In this series of 7 free webinars during the Corona Crisis, Kurt Menke and Hans van der Kwast demonstrate the 7 chapters of the book QGIS for Hydrological Applications - Recipes for Catchment Hydrology and Water Management. In this first webinar we cover georeferencing a scanned map and digitizing vectors in a GeoPackage.

Join us every Friday from 9 pm CET, 7 weeks long through http://loc8.cc/qgishydro

The book is available at http://locatepress.com/hyd
World Water Day (22 March) 30% discount on the eBook with coupon code qgishydro

(c) OpenStreetMap Contributors


0:00 Start QGISHydro Webinar 1
6:01 Introduction to the demonstration
7:07 Find the projection of the map
12:42 The Georeferencer GDAL plugin
14:38 Transformation settings
18:03 Add Ground Control Points
22:52 Check error statistics
24:46 Evaluate the georeferenced layer
29:10 Digitize point vectors (GeoPackage)
35:35 Digitize rivers (GeoPackage)
40:59 Dissolve tributaries
42:32 Digitize lake polygons (GeoPackage)
45:40 Style vectors
59:20 Shameless plugs