Exegesis Spatial Data Management


Posts From November, 2011

Wishbox for web site feedback

Mike has pointed out a potentially useful tool for our web projects.

Wishbox is from the s

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Some jottings on SQL Azure and GIS

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

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Useful Windows Live Writer plugins

Windows Live Writer is a great blog authoring tool that we use with this knowledgebase (a mojoPortal blog + pages). Since we are often posting code snippets, here are a couple of useful plugins. They ... read more

Solution Load Manager for Visual Studio 2010

If you have a complicated multi-project solution where Visual Studio 2010 is starting to take a while loading – try adding this extension which by default causes projects to only load on demand.... read more

Notes on importing spatial data into SQL Server 2008

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

Where to find the Ordnance Survey registration files

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

Don't forget the PG tip

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

Using ECWs without world files in MapInfo

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

Getting MapServer to work on IIS7.5 Server 2008

Text below is reproduced from: http://mas-kono-tes.blogspot.com/2011/03/getting-mapserver-to-work-on-iis75.html and gives a reasonable overview of how to install mapserver - especially how to... read more

Mapserver 6 and regular expressions

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