Create Pseudo 3D Topographies in QGIS
John Nelson did it again and amazed us by recreating AI topographic images with ArcGIS Pro. He showed the process in his latest youtube video. You may ask…
Tag: DEM
GDEM V3 vs SRTM 1: a comparison
Some time has past since I last wrote a DEM comparison, comparing ALOS World with SRTM 1 and GDEM V2 with SRTM 3. But as NASA and METI…
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…
Comparing ALOS Global Digital Surface Model “ALOS World 3D – 30m” with SRTM 1
The last post with the focus on recent data for your work when it comes to DSMs or DEMs was a bit early honestly. I was working with…
Short Announcement: SRTM 1 Data Worldwide
The digital elevation dataset resulting from the SRT Mission in the year 2000 is probably the most widely used digital elevation dataset in the world. It was first…
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,…
Short Announcement: “Quality Check” on SRTM1
Well, I was expecting this. Damn, those new SRTM1 raster files provided via EarthExplorer by the USGS are sweet. You can download them right away just by creating…
SRTM-1 (1 Arc second) now available with large global coverage
With this post I would like to come back on a topic from September 2014. In this blog post on Digital-Geography I announced that from September 2014 until…
Raster Comparison using ArcGIS
In one of the biggest groups of geoscientists in Germany, Austria and Switzerland the question arose how to do a raster comparison in ArcGIS. I’ve already mentioned some…
DEM comparison: SRTM 3 vs. ASTER GDEM v2
Let’s get ready to rumble! No, just kidding. We are all excited about the recent message from the white house: SRTM “1” (1 equals 1 arcsecond, whereas 3…
Announcement: Realease of worldwide high-resultion SRTM-data (30m)
The White House announced on September 23th during the United Nations Heads of State Climate Summit in New York that they are going to release the high-resolution images…
Peakfinder – identify the hills around you
Peakfinder.org is a fascinating website. It’s not new, but I just came across it few days ago by a recommendation of @callanbentley. It appears very simple, very clever and…