Using batch files and GDAL to merge rasters for performance.
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
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