Exegesis Spatial Data Management
Posts From January, 2012
Further load testing of GeoServer and MapServer (and tilecache)
Posted by Crispin Flower
29 January 2012
Categories:
CGI
GeoServer
MapServer
My previous load testing of GeoServer and MapServer involved requesting just one 256x256 pixel map across all the virtual user sessions. In this test, GeoServer performed stunningly well so long as...
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MapServer and GeoServer (and tilecache) comparison serving Ordnance Survey raster maps
Posted by Crispin Flower
21 January 2012
Categories:
GeoServer
GIS (general)
MapServer
Ordnance Survey
Tilecache
With two WMS running off identical data on the same server, I thought it would be interesting to compare speeds and the map output. So I lined up a map request with identical parameters to both...
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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...
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Some notes about setting up Tilecache for the Ordnance Survey Open Data
Posted by Crispin Flower
15 January 2012
Categories:
OpenLayers
Ordnance Survey
Tilecache
Background Increasingly we are using Ordnance Survey Open Data as a background map option in web sites, and also in desktop systems where no other mapping is available. We have so far served...
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How to set up a new mojoPortal site in 10 minutes
Posted by Crispin Flower
14 January 2012
Categories:
IIS
mojoPortal
OK you had better have a .Net 4 IIS server and a SQL server already, or this is not going to work. And if sharing the web server with other sites, you should have a host name configured and pointing...
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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 ...
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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...
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Map Icons
Posted by Andy Brewer
11 January 2012
Categories:
OpenLayers
This site has a large selection of map icons that are free to use (credit requested) with customisable colours: http://mapicons.nicolasmollet.com/
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