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DEM

A collection of 3 posts

Merging DEM rasters
DEM

Merging DEM rasters

Using batch files and GDAL to merge rasters for performance.

  • Ross McDonald
Ross McDonald Sep 17, 2018 • 3 min read
Texture shading your hillshade
DEM

Texture shading your hillshade

These guys do amazing things creating maps - John M. Nelson, Stephen "Mapsmith", Craig Taylor, Daniel Huffman - and their maps, visualisations and images are inspiring. A tweet by Terry Stigers pointed me at the work of Leland Brown and his texture shading algorithms. I do like a

  • Ross McDonald
Ross McDonald Oct 9, 2016 • 5 min read
TIN with FME
qgis

TIN with FME

Using OS Terrain50 with VectorMap District's water and woodland polygons I used Safe's FME Desktop to generate a landscape inspired by Owen Powell's work. FME lets you export the triangular faces of the TIN as polygons. Using the FME Data Inspector to view the surface in 3D. Rendered in QthreeJS

  • Ross McDonald
Ross McDonald May 25, 2015 • 1 min read
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