Create Bounding Boxes without Desktop GIS
Bounding boxes are crucial for a lot of geospatial projects: wether you need to limit the extent of your web mapping application or need to cut your research…
Tag: data
A Digital Earth: the Potential of Data Brokers
Introduction In my previous two posts I introduced the Cloud based data broker technology ERDDAP and demonstrated how one can use it to obtain geo-spatial scientific environmental data:…
PostgreSQL and PostGIS: A brief introduction
You probably seen this already (maybe on your very own PC as well): A folder with shape files. Well we’re living in the 21st century and I do…
Accessing Landsat and Sentinel-2 on Amazon Web services
The cloud has made it easier to process large amount of data, and satellite imagery processing benefits from cloud processing too. One of the cloud services that offers…
Import OSM Data Into A PostGIS Database (The Easy Way)
I often find myself in a situation where I want to work with large areas and datasets of OpenStreetMap data. No matter if you want to use them…
Downloading Sentinel satellite imagery
Sentinel is the buzzword for a series of Earth observation missions like Sentinel-1 (Land and Ocean monitoring,launched in April 2014), Sentinel-2 (land monitoring, launched in June 2015) and…
share your qgis project: the relocator plugin
Since I developed qgis2leaf together with some great supporters we always struggled with sharing a qgis project: we use different layers, different visualizations and so on. It’s not…
Panorama Geodata eXtractor
It’s been a while since I wrote here on DG, but I’ve been busy writing on my own blog in Swedish. However, now it’s time to reveal something…
Some ways to produce high-res DEMs – tools and data
Many of us use digital elevation models (DEMs) for a whole bunch of different applications. There are some standard products which everyone should know, like SRTM1, SRTM3, ASTER,…
Open Data in the UK
The Ordnance Survey is UK’s mapping agency and frequently releases free datasets. Their OpenData policy is quite progressive compared to Germany’s and they’ve recently published some fresh datasets…
Landsat in Love with QGIS: the newest coup from Luca
The normal way of getting Landsat data for your GIS projects often was: visit a Landsat data mart like landcover.org, earthexplorer or WIST, search for your area and…
ArcGIS Open Data
For a year, ESRI’s open data initiative is online. As I’ve heard about it for the first time I was just thinking: nice move to get people into…