Why are some sites so hard to find on the map? A misidentification of a location visited by Alan Sorrell in 1962 offers some possibilities.
Tag: GIS
Following Hogarth across the Gebel Asyut el-Gharbi with ArcGIS Story Maps
Can we follow a historic excavator across his site, and how good are ArcGIS Story Maps for modelling that? This post finds out.
Orthorectifying Worldview-3 satellite imagery of Gebel Asyut el-Gharbi
In my previous posts, I explained how to pan-sharpen and then mosaic Worldview-3 satellite imagery. The final phase of processing the 'ortho-ready' imagery is 'orthorectification'. To orthorectify the Worldview-3 imagery I used a 2m resolution digital surface model (DSM) generated by Digitalglobe from a stereo-pair of Worldview-2 satellite images of the same area of Middle …
Continue reading Orthorectifying Worldview-3 satellite imagery of Gebel Asyut el-Gharbi
Pan-sharpening a Worldview-3 satellite imagery of Gebel Asyut el-Gharbi
How to pan-sharpen Worldview-3 satellite imagery of the Asyut region.
Mosaicking pan-sharpened Worldview-3 satellite imagery of Gebel Asyut el-Gharbi
How to mosaic pan-sharpened Worldview-3 imagery in AcrGIS.
Pan-sharpening a composite 3-band 4-3-2 RGB true colour Landsat-8 satellite image of Gebel Asyut el-Gharbi
How to enhance a composite 3-band satellite image with a panchromatic band, by pan-sharpening in ArcGIS.
‘I see your true colours . . ‘ creating a composite ‘true colour’ Landsat-8 satellite image of Gebel Asyut el-Gharbi
How to create a natural 'true colour' image from single Landsat-8 satellite image bands.
Five years on: Reflections on mobile GIS survey at Hatnub Quarry P in 2017
Results of the mobile GIS survey in 2017 at the Hatnub quarries and links to the published papers.
Fuel shortages, Google Maps and adapting your tools
How do we answer questions when the data exists but there's no direct access? A real-world solution to a fuel shortage problem encapsulates the answer.
Free high-resolution satellite imagery and how to find it.
Where can you find free high resolution satellite imagery for your project, which is the best imagery and what are the issues with it?