Spatial Data

Dave Mattingly has a multi-part series on spatial data.  This is part 5 (with links to the previous).


If you’re interested in spatial data, this looks like a fantastic set of blog posts which mesh well with Dave’s presentation on spatial data.

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SQL Server And Polygons

Bert Wagner shows that SQL Server interprets polygon definitions a bit differently from GeoJSON: Discerning eyes might notice that SQL Server didn’t shade in the area inside of the polygon — it instead shaded in everything in the world EXCEPT for the interior of our polygon. If this is the first time you’ve encountered this behavior then […]

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Spheres In SQL Server

Slava Murygin continues his quest to build a graphics engine with spatial data: Couple of years ago I came up with an algorithm of drawing an ellipse using SQL Server spatial geometry: I’ve used that algorithm to make a sphere and as in my previous blog of drawing 3D Cube I use external procedure to simplify the […]

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