Mapped: British, Spanish and Dutch Shipping 1750-1800
I recently stumbled upon a fascinating dataset which contains digitised information from the log books of ships (mostly from Britain, France, Spain and The Netherlands)...
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Clipping a Surface By a Polygon
Background: A common function in standard GIS software enables users to create a raster surface and extract values or clip it based on a set of polygons. This may be...
Read MoreWriting a Spatial Function: The Location Quotient
Background: In some cases it is necessary to conduct the same analysis multiple times on either the same or different data. In such circumstances it is worth writing a...
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About
spatial.ly is written and curated by James Cheshire. James is a lecturer at the UCL Centre for Advanced Spatial Analysis where he researches, teaches and maps.