Interpolating Point Clouds to Raster with IDW and TIN in QGIS

Published: 19 July 2023
on channel: Hans van der Kwast

4,953

Since QGIS 3.32 Lima, native processing tools are available in QGIS to interpolate point clouds to rasters. First we'll use the Inverse Distance Weighting (IDW) method to create rasters of different spatial resolutions. Next, we'll use the triangulation (TIN) method and compare the results. For comparison, we'll use 2 linked 2D views and elevation profiles.

QGIS version: 3.32 Lima
Open Data: AHN4 from https://geotiles.nl/
Blog on native point cloud processing in QGIS by ‪@LutraConsulting‬: https://www.lutraconsulting.co.uk/blo...

Do you want to learn more about point cloud processing and 3D visualization in QGIS? Enroll for my course at ‪@udemy‬ : https://www.udemy.com/course/qgis-poi...

0:00 Introduction
1:03 IDW interpolation
3:23 TIN interpolation
4:39 Create map themes
5:10 Create two linked 2D Map Views
5:48 Elevation profiles

#qgis #pointcloud #3d

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