QGISHydro Webinar 2: Import tables and spatial interpolation
Channel: Hans van der Kwast
Date: 28/03/2020

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 webinar it is demonstrated how to import spreadsheets and CSV files, join attribute tables, edit attribute tables and interpolating points to raster using thiessen polygons or inverse distance weighted interpolation (IDW).

Join us next Friday from 9 pm CEST / 7 pm UTC at http://loc8.cc/qgishydro 

The book is available at http://locatepress.com/hyd

(c) OpenStreetMap Contributors


0:00 Start of QGISHydro Webinar 2
6:51 Introduction to demo import tables
9:55 Start demo importing tables
10:56 Using the Spreadsheet Layers plugin
15:49 Export to GIS vector format
18:18 Join attribute tables
21:00 Remove missing data
21:50 Convert temperature units
24:42 Import CSV file
29:07 Style temperature points
36:21 Interpolation (Thiessen polygons)
39:35 Interpolation (IDW)
43:12 Interpretation of inteprolation results
45:46 Result in 3D view
51:45 Q & A
59:19 Shameless plugs