Using CD4ML to evolve without bias
4 weeks ago
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About Me
Martin Davis
Popular Posts
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One of the most useful OGC standards is their specification of the Dimensionally-Extended 9 Intersection Model for spatial relationships. ...
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A common requirement in spatial processing is to union a set of polygons together. Depending on the use case, the polygons may either be a ... -
The geo-blogosphere has been buzzing about the global Facebook friends visualization . This was done by Paul Butler using an R script and ...
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After this thread on the JTS list Michael Bedward was inspired to create a polygon triangulation algorithm using the Ear-Clipping approac... -
Recently I've been doing some work with the General Transit Feed Specification (GTFS). This is a simple data model initiated by Google... -
OpenLayers provides the useful WMSGetFeatureInfo control. It's designed to work with the standard WMS GetFeatureInfo request. As per ...
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Permutations are a fundamental concept in discrete mathematics, and crop up in numerous places in computer science. The set of all possible...
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In my last post I talked about the request on the PostGIS list for a function to generate dot-density maps, and about a JTS class to imple... -
Recently I've been working on generating surfaces from irregular sets of data observations, for thematic rendering purposes. The data I... -
Recently I fixed the JTS KD-Tree implementation so that it works as advertised with a distance tolerance to provide point snapping. This ...
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Books
Blog Roll
- Binstock on Software
- Bitworking
- BostonGIS (Regina Obe et al)
- Clever Elephant
- Code Commit
- CoderSpiel
- David Chappell
- Martin Fowler
- Modern Mechanix
- Moserware
- Otaku
- Paul Graham
- Perils of Parallel
- Perspectives (James Hamilton)
- RedMonk - Stephen O'Grady
- robjsoftware
- Spatial Galaxy (Gary Sherman)
- Ted Nedward
- Typical Programmer
- Untangled (Roy Fielding)
Cloudy Blog Roll
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2019 SIGMOD Systems Award3 months ago
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Links for 2017-02-22 [del.icio.us]2 years ago
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