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Posts in Category: GIS (general)

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
 
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AGI Cymru Conference 2011: HBSMR Mobile presentation

Posted by Crispin Flower 13 January 2012 Categories: GIS (general) HBSMR Mobile
Held at Cardiff City Hall at the end of November, the AGI Cymru winter conference was attended by around 80 people and had a fair mix of managers and developers from different organizations around ... read more
 
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AGI Cymru Conference 2011: GIS in the cloud

Posted by Crispin Flower 13 January 2012 Categories: Cloud GIS (general)
Laine Skinner from ESDM presented under the ‘New Directions’ theme at the AGI Cymru Conference. Held at Cardiff City Hall at the end of November, the AGI Cymru winter conference was attended by... read more
 
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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
 
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Notes on importing spatial data into SQL Server 2008

Posted by Crispin Flower 17 November 2011 Categories: ArcGIS GIS (general) GISquirrel MapInfo Professional SQL Server
There are a variety of ways to do this, but often you will hit issues with data validity. If you have our ArcGIS Maplink product (or ArcSquirrel) then loading data in using this into a... read more
 
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Where to find the Ordnance Survey registration files

Posted by Crispin Flower 15 November 2011 Categories: ArcGIS GIS (general) MapInfo Professional
The registration files (world files and tab files) for all Ordnance Survey raster datasets can be downloaded from: http://www.ordnancesurvey.co.uk/oswebsite/products/geo-referencing.html These are... read more
 
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Using ECWs without world files in MapInfo

Posted by Crispin Flower 12 November 2011 Categories: GIS (general) MapInfo Professional
If you have ECW map images without world files, they may work fine in ArcGIS but MapInfo won't put them in the right place as it can't read the header information in the ECW. You could opening them... read more
 
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GIS conversion web site

Posted by Crispin Flower 30 November 2010 Categories: GIS (general)
This site can convert just about anything to just anything else. E.g. I used it to do MapInfo to KML and GPX. I think it uses ogr2ogr under the... read more
 
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