Exegesis Spatial Data Management

 

Posts in Category: OGR/GDAL

GeoServer WFS fails on SQL Server tables/views with GUID data type

Posted by Crispin Flower 11 January 2017 Categories: GeoServer OGR/GDAL SQL Server WFS
Just a quick note that might be useful to some. The problem... If you publish a SQL Server (in this case 2014) table or view with a GUID field using GeoServer (version 2.10), it will fail to... read more
 
Comments(0)

Using R with spatial data

Posted by 28 December 2013 Categories: GIS (general) OGR/GDAL Projections SQL Server
R is a cross platform statistical package which is becoming extremely widely used. It is modular and so there are all sorts of add ins available, including a number of sophisticated tools for... read more
 
Comments(0)

Serving Ordnance Survey rasters with GeoServer and MapServer - some irks and quirks

Posted by Crispin Flower 21 January 2012 Categories: GeoServer GIS (general) MapServer OGR/GDAL Python
I’ve been preparing a tilecache of UK Ordnance Survey mapping for a couple of big projects, combining Open Data with licensed Landranger (1:50,000) and Explorer (1:25,000) mapping. The tilecache... read more
 
Comments(0)

Some jottings on SQL Azure and GIS

Posted by Crispin Flower 19 November 2011 Categories: ArcGIS Azure GIS (general) GISquirrel MS Access OGR/GDAL Quantum GIS (QGIS) SQL Server

I have set up a SQL Azure 90 day trial (as of 18th November) to test whether ArcSquirrel can work

... read more
 
Comments(1)

Don't forget the PG tip

Posted by Crispin Flower 15 November 2011 Categories: OGR/GDAL PostgreSQL/PostGIS
When opening a PostGIS datasource using the OGR C# wrapper in .Net, the connection string must have "PG:" prefix, as follows: ... Imports OSGeo.OGR ... Dim drv As OSGeo.OGR.Driver... read more
 
Comments(0)

Mapserver 6 and regular expressions

Posted by 08 November 2011 Categories: MapServer OGR/GDAL
In earlier versions of mapserver you might have a regular expression that looked like: EXPRESSION ('[HAB_TYPE]' =~/^A1.1/)   If you try this with mapserver 6 however (especially on large datasets)... read more
 
Comments(0)
  • RSS
https://www.esdm.co.uk/Blog/ViewCategory.aspx?cat=8&mid=108&pageid=138