Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Lemkos Poland. Expidice Hindukus. Some excellent mountaineering maps for Pamir and Hindu Kush ranges. Czech language. Austrian Map Online. Old maps of Russian Asia. Great collection of scanned old maps, Cryllic letters. Markus Hauser is looking for a home for 30GB of scanned maps from the early 20th century. This seems like a good project for Perry Castaneda, Berkely or the like.
If anyone can help, contact Markus at pamirmountains yahoo. Karta Ykpanhbi. Institut Cartografic de Catalunya. Very detailed and modern topographic maps for all of Cataluna in Spain. Some good free applications that every terrain modeler should have in their toolkit:. Makes all the rest virtually obsolete. Great 3D renderings. Reads a fairly wide variety of formats. OK for 3D rendering and overlays. Terragen The best application for photo realistic terrain renderings.
Reads only its own. Several converters offered on this site. POV-Ray Freeware ray tracer. Create terrains using height field utility. Not for the faint of heart, renderings are created using a C-like programming language. A lot like programming in OpenGL but much easier and very powerful. Warning: addictive. Also written by a great guy. Multispec Multispectral image analysis tool.
Essential tool for troubleshooting your binary data problems. Note: there are a couple of other great low-cost applications that are very helpful i. Since this site is directed at free data and applications, I will not mention them here but contact me if you want my short list of low cost commercial applications that are great. Go to www. Marc Souris' webpage. Space Imaging Quicklook This site is meant to be an index and teaser for the spectacular and spectacularly expensive, for the amateur Space Imaging full-resolution imagery.
Poehali Great source for Russian topos. Doc Savage Archeology Site This guy is a real-life Indiana Jones who has spent a good chunk of his life conducting archeological studies in Israel and Jordan. Toporama Free ,, topos maps for all of Canada. And what steps do I have to follow to get a nice height map?
But the image modus seems to be set off. And when I change it to 32 bit and then back to 8 bit I still have complete white areas, what would disiturb a 3d elevation mesh. The region that I am searching is: 1. Lat: 1. Could someone help me explain why? I am newbie to GIS data. Thanks a lot! At southern negative latitudes ex. How do I avoid this distortion?
Could you help me on this? Here are some options for you. For crops, it really depends on the time of season, stage of growth and types of crops for any NDVI analysis. Nice list, thanks for featuring OpenTopography.
But do not know where I can download. Search Search. Mapping, Remote Sensing, and Geospatial Data. Apply Filter. Where can I get global land cover data?
What types of elevation datasets are available, what formats do they come in, and where can I download them? There is a separate site for The National Map Services. It is important to note that the vertical accuracy actually varies significantly across the U. What is a digital elevation model DEM? DEMs are created from a variety of sources.
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