geojson.io: edit geospatial data online- an example
As Daniel already wrote: There is an awesome tool available online. With geojson.io you will be able to add, edit and remove spatial data used maybe in webmapping…
Tag: GIS
short announcement: QGIS 64bit
So I’ve checked our twitter time line this morning and came across this nice little line: @willoxh tweeted that there is a new version of qgis which enables…
unsupervised classification in QGIS: kmeans or part two
As I have already covered the creation of a layer stack using the merge function from gdal and I’ve found this great “plugin” OrfeoToolBox (OTB) we can now…
30 years of GRASS: a critical birthday comment
Dear GRASS GIS: Happy birthday! There has been a lot movement in the last decades and you enriched our workflows and our way of spatial thinking. There were…
Comparing GIS systems: a social approach
Most of you guys are aware of one or two GIS systems. But what about the functionalities of others? How can you compare these? @Dragons8mycat has done some…
short announcement: learn to create maps online
This week a new 5 weeks course will start at coursera. Coursera is an online learning platform that enables people from all around the world to learn and…
QGis Tutorial II: how to join data with shapefiles
In this tutorial I’ll show you, how to combine text information with spatial information using the open source software QGis. You can easily download and install QGis from…
Install stable version of QGIS on Ubuntu
When I was starting with Ubuntu I was struggling with getting QGIS to run on Ubuntu. Actually it is not a big deal despite of adding a repository…
QGIS Plugin – Profile Tool
Previous Posts in this series QGIS Plugin – RasterCalc QGIS Plugin – OpenLayers So, this will be a pretty quick post on one of my most used…
Map Projections, spatialreference.org and gdalwarp
Map Projections The question of map projections and how to reproject data is one that comes up often in discussions with both experienced colleagues and those new to…
tutorial: visualize a line with openlayers
For an upcoming project I was curious about visualizing a line layer using OpenLayers. Therefore I digitized a way with googlemaps. After creating a kml with “my places”…