Using the Google Earth Engine (GEE) for Detection of Burned Areas
Google Earth Engine ( GEE ) is a cloud platform for processing satellite imageries. This service includes images of Landsat 5, 7,8, Sentinel 1 and Sentinel 2. You…
planlauf/TERRAIN – a lightweight 3D DEM viewer for daily usage
The visualization and interpolation of 3D terrain (point) data (DEM or DOM) could be a hard task for current GIS software and small to midsize hardware. One thing…
ALOS World 3D V1.1 vs. SRTM1
Some days ago a new version of the ALOS 30m DEM was released: Void pixels due to clouds and snow pixels within 60 deg. of north and south…
Short Announcement: QGIS 3.0 is on its way
QGIS 3.0 is the next big release in terms of features and tools. As it is stated in this e-mail chain we could expect this new major release…
Map your family tree with Gramps and QGIS – how to digitize and visualize genealogy data
As I realized that I have a really huge family I was keen to digitize the current family tree and get into contact to my relatives. For getting…
JuxtaposeJS and the Death (and Re-Birth) of Bogoslof Island
This post is just a quick update on a unique event unfolding in my home state of Alaska and a cool new tool to help you post image…
The Atom Code Editor
There is this time of the year when the presents are unboxed and the new year hasn’t started yet, when a lot of people (including me) find some…
Geospatial cloud solutions: Software-as-a-Service vs Roll-your-own
Over the last couple of years, we have seen an increase in demand and offerings of geospatial solutions in the cloud for tasks like web map creation, centralized…
FME and Talend: ETL tools for your spatial data
Spatial data has some formats most of you know (shapefile, geoJSON, TiFF,…). But there is always a wide variety not only in available and used file formats but…
Isochrones in Webmaps: Three Approaches for Leaflet
As we are thinking more or less specially I always ask myself: where can I be in the next 30 minutes? Most of current webmaps out there are…
Some ways to produce topographic swath profiles
For a geomorphological study that I am working on I want to produce topographic swath profiles across a mountain range, that is, I want the average elevation along…
Observing deforestation with Sentinel-1
While preparing for an upcoming presentation at the annual meeting of the American Geophysical Union (AGU) I came across a topic that I thought might make an interesting blog…