The End of the Landsat 5 Era
If you have been working in the space remote sensing community for any length of time you have almost certainly crossed paths with Landsat 5. After 29 years…
Month: December 2012
QGIS Plugins — OpenLayers
Click for previous article in this series about RasterCalc How often have you been working on a project in QGIS and wanted some nice background imagery, perhaps for…
Visualizing NASA Black Marble with Tilemill and Leaflet
Some days ago NASA has released “Black Marble”, an image of the world by night, a combination of photos taken by a new satellite. Its name was chosen…
Kurznotiz: Hilfe zu OpenStreetMap
OpenStreetMap ist ein wunderbares Projekt, dass ähnlich dem Wikipedia-Prinzip arbeitet und eine freie Weltkarte erstellen will. Damit ist das Projekt auch schon ganz gut fortgeschritten. Wer sich über…
How to make a simple topographic map in ArcGIS 9.3.1. Part 1.
So, we all know how a topographical map looks like. On a topographic map, we see different objects, which are indicated by different symbols. For example, we see…
Python for Geospatial Data Analysis (Part IV)
GDAL Geotransforms and World Files The last post in this series considered how to write a geospatially aware file, in that case a Geotiff. In the example the…
FastGAPP – Fast Geochemical Analysis Plotting Program
Geochemical studies of igneous rocks are fundamental to classify rock types in terms of main-, minor-, trace element whole-rock chemistry. Together with petrographic observations from thin sections it…
Favorite QGIS Plugins – RasterCalc
RasterCalc QGIS Plug-in QGIS is an open-source geographic information system that is familiar to many geospatial professionals. I find more and more that I’m able to use QGIS…
Python for Geospatial Data Analysis (Part III)
Writing Geospatial Files In the last post in this thread I began discussing basic syntax and how to open and read a geospatial raster file. This installment in…