Pano Voudouris

I have more that 15 years experience working in the Geospatial industry. Started with ESRI's ArcInfo, did a brief stop using System 9 (does anyone remember this?) and Mapinfo and continued to work at first with ESRI products and later with open source and web mapping tools and databases. The technologies I use everyday is MapServer, Oracle, .NET and Silverlight. I am a Surveying Engineer by profession with a M.Sc in GIS and after living in the UK for 10 years I have now returned and live in the city of Thessaloniki, Greece. I blog on technical issues on my personal blog ( and I am also one of the editors of a Greek Geospatial news and events blog. You can follow me on twitter where I am known as @the_mapoholic


Convert Oracle Spatial data to geojson

So at some point I needed to convert Oracle Spatial data (SDO) into geojson format. I quickly came across this excellent post from SpatialDB Advisor. Which basically does exactly that. Converts SDO data into geojson. However -as he already states in his post- the function does not support attributes. So based on this original function, […]

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Land Surveyors vs GIS Professionals: What’s all the fuss about?

I was reading the other day the Land Surveying and GIS Revisited: An Unnecessary Drama post in GIS Lounge and I am sorry but I don’t get it. I mean, I agree with what the article says, that it IS an unnecessary drama but I don’t understand why there was a drama in the first place. This […]



So how much does Greek Local Government really spend? Find out on an interactive map

And where else would a better place be, you may ask. If you head over to Diavgeia Spending Maps and after you hit the “It’s all Greek to me” button (Aren’t I a clever boy – get the pun?) you should be able to query spending data for every municipality in Greece for a time […]

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GET SDI Portal v.3.0 – the new(-ish) kid on the block

I wrote about this a few years back and now Geospatial Enabling Technologies (GET) has annouced the release of its latest version of GET SDI Portal. The 3.0 version includes several new tools including: Advanced search tools using descriptive and spatial criteria Saving features in several differen formats (Shapefile, GML, CSV, KML etc.) Adding selected […]

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Creating custom forms in QGIS – Part 2

Better late than never they say… Anyway, on the previous post I explained how to customize the QGIS edit form using the available widgets depending on your attribute data types. In this post I will continue on how to further customize your form using the Drag and Drop Designer in QGIS (form layouts may look […]


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Online vector and raster converter

Just came across this : Its free and it seems to convert to and from a quite large number of vector and raster formats. According to the statement on their site: MyGeodata Converter allows you to read and write from/to a huge number of CAD and GIS formats – both vector and raster. MyGeodata Converter […]

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