A Spatial Reference System Identifier (SRID) is a unique value used to unambiguously identify projected, unprojected, and local spatial coordinate system definitions

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Problem with writing the srsName into gml output in OpenLayers

I am trying to write out my geometry in gml format after it is drawn in OpenLayers. Actually it is working fine, I get the gml like this: <gml:Polygon> <gml:outerBoundaryIs> ...
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Creating Ellipse in WGS84, but with metric parameters

I have the function --Ellipse(x,y,rx,ry,rotation,#of segments in 1/4 of ellipse) SELECT ST_Translate( ST_Rotate( ST_Scale( ST_Buffer(ST_Point(0,0), 0.5, $6), $3, $4), $5), $1, $2) I have points in ...
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ArcGIS and SqlServer.Types: Does feature.Shape.SpatialReference.FactoryCode == srid?

I created a test implementation of the ESRI Geometry to WKT recipe provided by @SagebrushGIS. It seems to work great, but I'm wondering if the SRID value expected by Microsoft.SqlServer.Types ...
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How to do Spatial Tools Projections between different projection types

I am working with the SQL Spatial Tools from http://sqlspatialtools.codeplex.com/ And a variety of data sets, primarily from LINZ and Google. These involve working with projections for 4326 (WGS84?) ...
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How to import multiple shapefiles each with different source projections to postgis

I have a couple thousand .zip files each with a .shp, .dbf, .shx, and .prj inside them that I want to load into postgis. The problem is, they have many different source projections (each defined in ...
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How can I ensure srid is properly set on Postgis when importing shapefile?

I am uploading a shapefile to Postgis via Geoserver rest api but I end up with querying issues especially with srid i.e "ERROR: XX000: Operation on two geometries with different SRIDs". The import has ...
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315 views

PostGIS geometry aggregation problem

i have a problem with aggregation of geometry either with ST_Collect, ST_Union, Array_Agg after doing intersection with transformed geometry. Faulty PSQL code goes like this: SELECT ...