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GIS Consultant @ RealDolmen, implementing web gis systems based on mapguide/autodesk infrastructure map server

Contributor to SAGA GIS, Debian and Ubuntu GIS and the OSGEO live dvd.

I hold a PhD from Ghent University: mapping soils and water table dynamics


Jul
3
comment How to configure QGIS and SAGA on Ubuntu (12.04 and others)?
Which algorithm are you trying to run?
Jul
1
comment shp2pgql: how to omit the git column?
What version are you using? What command are you running. In principle the gid column is not imported.
Apr
30
comment Can we use geoNetwork with php
What kind of application do you want to achieve?
Apr
9
comment Fast Offline OSM Routing Library to Replace MoNav (.NET)
You may want to contact Ben, the author of OsmSharp for performance tips. He is very knowledgeable.
Feb
25
comment How to install SAGA 2.1 with QGIS dufour on Windows?
Miro: better ask a new question for QGIS 2.2. Make sure you mention which version of the processing plugin you use.
Jan
13
comment PDF to be understandable by ArcGIS
geopdf can be created using gdal. gdal.org It is however unclear what the source of your data is.
Jan
10
comment how to add GML files in geoserver 2.2.2
Why would you want to store your data in gml? Seems a pretty bad choice.
Dec
31
comment Offline entire planet in Java Desktop app
What scale do you users need? What information does your system need to provide? Data size grows quadratically with scale. If you leave out large scales this may be possible.
Dec
13
comment Can you geocode to a polygon?
Which software do you want to use?
Dec
12
comment Can Mapnik 2.2 and Qgis 2.0.1 be installed together?
I'll see if I can add mapnik to the unstable repo tonight.
Dec
10
comment Debugging errors of SAGA interpolation algorithms in QGIS 2.0 Processing
Try copying everything in the log screen just behind the window. From here I can already see "Error" just below GDAL, so it contains pointers as to where things go wrong.
Dec
6
comment Extrude in FME for lines
Please provide more info. What data was your original file in? Which fme function did you use.
Dec
3
comment Setting up file geodatabase API
glutInitWindowSize , ... are functions from OpenGL. Make sure you link to these libraries correctly.
Nov
27
comment ArcGIS wmslayer select feature android
What do you mean with select? You can request feature information (if the server supports it), but selecting is not possible on a WMS server.
Nov
21
comment What maintenance should I do for PostGres database?
unless you have a complex setup, setting autovacuum=on may be all you need (it is enabled by default). Many so called maintenance scripts actually are bad for performance.
Nov
20
comment GUI tools for PostgreSQL/PostGIS?
Use pgadmin. On many platforms (eg windows) it is even part of the default postgresql install.
Nov
14
comment How to overlay polygon shapefiles with different attributes?
Make sure you also normalize for population. Otherwise you will propabably end up with a population density map.
Nov
13
comment Create interactive map with no server
I guess the only things left to do is doing more generalization on overview scales and working with tiles for lower scales. However, I know no tools for doing that job. I'm sure they will appear in the near future or perhaps already exist.
Nov
13
comment How to read coordinates from shapefiles and overlay on Google Maps?
This would only work if the dbf file contains X and Y columns. If this is not the case you could add them (if your file is a point shape file) using eg saga gis. This has a module "add coordinates to points".
Nov
13
comment How to perform Visibility Analysis using QGIS?
There is a saga gis visibility module. You could run that through processing if you have qgis 2.0.1