QGIS 2.16 tutorial: georeferencing images
Since our last tutorial regarding georeferencing images in QGIS is 4 years old, let us have a second look at this task in the current times of QGIS…
Tag: georeference
ancient maps: shortly on Google Earth / Maps
There were some rumors in the blogosphere about the new program of National Geographic Society. But one thing first as it is more important: Our good old friend…
Geocoding Google Spreadsheets
For our job site here on digital-geography I was searching for a way to auto geocode spreadsheet location cells. So I’ve found this very short announcement from Max.…
cartoDB and Leaflet: creating the table or part one
We have already introduced cartoDB which is a platform for storing, administering and visualizing spatial data. One straight feature of cartoDB is the usage of GeoJSON for exporting…
QGis Tutorial I: how to georeference a map
In this tutorial I’ll show you, how to georeference a map using the open source software QGis. You can easily download and install QGis from the following Source: QGIS…
RMSE explained
In my first GIS-course I was presented with the concept of quality measures for a georeferenciation. My lecturer taught me: “There it is: the RMSE or root mean…