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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401 views

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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31 views

Equal Area SRID for Finland?

Does anyone know the SRID for an equal area projection that is suitable for Finland?
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Adding data from PostgreSQL to Query Layer of ArcGIS for Desktop warns that given coordinate references are incompatible?

When adding data from PostgreSQL in a Query Layer I get the warning "The given coordinate references are incompatible" I have added many other layers with the same properties no problems, but I have ...
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245 views

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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177 views

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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137 views

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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Storing 3D Oracle sdo_geometry objects with a 2D SRID

I'm trying to understand the implications of storing 3-dimensional sdo_geometry values in Oracle when the geometry's SRID is a 2-dimensional system. The database I'm studying uses SRID 4326 (WGS84 ...
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45 views

Find correct SRID

I'm learning PostGIS raster, and importing GeoTiff with raster2pgsql. This command line tool states: -s <srid> Set the raster's SRID. Defaults to 0. If SRID not provided or is 0, ...
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37 views

Node.js transformation from NAD83 to WGS84

I've used the excellent npm shapefile library to import Canadian electoral districts into MongoDB. Here's a sample file: http://ftp2.cits.rncan.gc.ca/pub/geott/electoral/2011/fed308.2011.zip Is ...
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113 views

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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396 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 ...