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Digital Elevation freeware
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Digital Elevation

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Added: May 15, 2013 | Visits: 304

Upslope area functions A collection of functions for calculating the upslope area and related measurements for a digital elevation model (DEM).Based on the method of Tarboton.See also the upslope area postings on my image processing blog, March-August 2007, http://blogs.mathworks.com/steve.Requires Image Processing...



Platforms: Matlab

License: Freeware Size: 307.2 KB Download (18): Upslope area functions Download

Added: July 25, 2013 | Visits: 268

SimpleDEMViewer SimpleDEMViewer reads Digital Elevation Model (DEM) data and shows colored elevation map on a Mac screen. It can make bird's-eye views, stereographs and others. DEMs supported gtopo30, hydro1k, srtm, srtm dted, srtm30plus, etopo2, etopo5, globe, gdem some bil forms, usgs ascii DEMs, DEMs from...





Platforms: Mac

License: Freeware Size: 3.09 MB Download (16): SimpleDEMViewer Download

Added: October 11, 2013 | Visits: 248

G3DGMV The g3DGMV program was designed as a free viewer for Digital Elevation Model (DEM ) and Digital Line Graphs (DLG ) maps. Both of these formats are available from various locations on the web. These maps are rendered by g3DGMV as 3D images that can be manipulated by the user and view from...


Platforms: *nix

License: Freeware Size: 296.96 KB Download (17): G3DGMV Download

Released: December 21, 2012  |  Added: December 21, 2012 | Visits: 343

Matlab SRTM Library The Matlab SRTM Library is designed to be an easy-to-use interface for importing and manipulating NASA's Shuttle Radar Topography Mission (SRTM) Digital Elevation Model (DEM) dataset.


Platforms: Windows, Mac, Linux

License: Freeware Size: 175.61 KB Download (31): Matlab SRTM Library Download

Added: August 15, 2013 | Visits: 442

PDD Melt Simple function to calculate melt rates in meter water equivalent per year for a digital elevation model (DEM) based on positive degree days factor (PDD) using seasonal variation.User can specify factors: mean annual temperature, PDD_ice, seasonal variation in degrees and year length.Approach...


Platforms: Matlab

License: Freeware Size: 10 KB Download (19): PDD Melt Download

Released: January 30, 2013  |  Added: January 30, 2013 | Visits: 130

GTOPO30 Finds The GTOPO30 for a country's given pair of latitude and longitude GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from several raster and vector sources of topographic information...


Platforms: Windows Phone

License: Freeware Size: 1024 KB Download (8): GTOPO30 Download

Added: June 17, 2013 | Visits: 234

Strahler Stream Order The Strahler Stream Order is a way to classify rivers based on a hierarchy of tributaries. First-order streams don't have tributaries. When two first-order streams come together, they form a second-order stream. When two second-order streams come together, they form a third-order stream. When two...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Strahler Stream Order Download

Released: November 07, 2014  |  Added: November 19, 2014 | Visits: 472

ediTrail Importation/Exportation: Import/export trails to gpx file. Unlimited number of trails, and TrackPoints. Export to gpx, Excel, PDF, XPS and KML/KMZ. Data table: Very flexible data table that allows sorting by columns, with inheritance of data, attributes, etc. Presentation on map: View...


Platforms: Windows, Windows 8, Windows 7, Windows Server

License: Freeware Size: 27.05 MB Download (207): ediTrail Download

Added: April 24, 2013 | Visits: 232

Flow Accumulation (upslope area) How much water flows where? Use this algorithm to calculate the upslope area of each cell in a digital elevation model.Algorithm specifications:- multiple flow direction- single flow direction- routes across flats- calculates deterministic, randomized and random flow- allows you to specify a...


Platforms: Matlab

License: Freeware Size: 102.4 KB Download (18): Flow Accumulation (upslope area) Download

Added: July 07, 2010 | Visits: 698

Fracplanet Fracplanet is an interactive tool for creating random fractal planets and terrain areas with oceans, rivers, lakes and icecaps. The results can be saved in POV-Ray format. The code is licensed under the GPL. Fracplanet project uses Qt and OpenGL. Whats New in This Release: - The main...


Platforms: *nix

License: Freeware Size: 68.61 KB Download (116): Fracplanet Download

Released: October 24, 2012  |  Added: October 24, 2012 | Visits: 426

Quantum GIS form Linux QGIS supports vector, raster, and database formats and lets you browse and create map data on your computer. Quantum GIS (QGIS) supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS aims to be an...


Platforms: Linux

License: Freeware Size: 1024 KB Download (71): Quantum GIS form Linux Download

Released: July 24, 2012  |  Added: July 24, 2012 | Visits: 491

Quantum GIS form Mac QGIS supports vector, raster, and database formats and lets you browse and create map data on your computer. Quantum GIS (QGIS) supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS aims to be an...


Platforms: Mac

License: Freeware Size: 1024 KB Download (55): Quantum GIS form Mac Download

Released: July 13, 2012  |  Added: July 13, 2012 | Visits: 480

Geo Data German Admin (formerly Geodaten German Houses) Geo Data German Admin contains geodata of the Federal Republic of Germany with geo referenced towns, municipalities, town quarters and other administrative units, postal codes, telephone preselections, nature areas, landscapes, climatic zones and official topographical cartographies. The data...


Platforms: Windows


Released: August 15, 2012  |  Added: August 15, 2012 | Visits: 520

Geo Data International Admin (English) Geodata of the European and International countries offers you municipalities and postal codes. Georeferences as UTM- and geographic coordinates (WGS84, ETRS89). Suitable for branch searches, periphery searches and distance computations. International Geo Data with geo referenced localities and...


Platforms: Windows

License: Freeware Download (28): Geo Data International Admin (English) Download

Released: July 15, 2012  |  Added: July 15, 2012 | Visits: 501

Geo Data International Admin Geodata of the European and International countries offers you municipalities and postal codes. Georeferences as UTM- and geographic coordinates (WGS84, ETRS89). Suitable for branch searches, periphery searches and distance computations. International Geo Data with geo referenced localities and...


Platforms: Windows

License: Freeware Download (29): Geo Data International Admin Download

Released: October 11, 2012  |  Added: October 11, 2012 | Visits: 513

Quantum GIS QGIS supports vector, raster, and database formats and lets you browse and create map data on your computer. Quantum GIS (QGIS) supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS aims to be an...


Platforms: Windows

License: Freeware Size: 77.3 MB Download (60): Quantum GIS Download

Released: November 07, 2012  |  Added: November 07, 2012 | Visits: 249

Garmin BaseCamp Garmin BaseCamp... A 3D mapping application that allows you to transfer waypoints, tracks, and routes between your Mac and Garmin device and manage your data using topographic Garmin maps that include digital elevation model (DEM) data, such as Topo U.S. 24K, Topo U.S. 24K National Parks (version...


Platforms: Mac

License: Freeware Size: 65.7 MB Download (30): Garmin BaseCamp Download

Added: June 23, 2013 | Visits: 314

Radio link coverage map is program computes a map of visibility from a selected point on a topography. It has been written to help the search for radio relay best location. Because it considers only direct line of sight, it gives a good estimation for possible radio link for short distances only (less than 10 km),...


Platforms: Matlab

License: Freeware Size: 430.08 KB Download (18): Radio link coverage map Download

Added: August 17, 2013 | Visits: 184

Sysshift sysshift checks whether two matrix M1 and M2 are systematically shifted against each other by calculating correlations across a range of shifted origin. This is helpful e.g. if two different digital elevation models of the same area are to be tested for systematic misregistration.At this point,...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Sysshift Download

Added: June 18, 2013 | Visits: 271

satang -function angles=satang4(strSys1,latA,longA,longsat,strSys2,latB,longB)-calculation of satellite angles: elevation, azimuth, and also relative azimuth and baseline orientation if input data-belongs to two sites-Sources:-Digital satellite communications, 2nd Ed. Author Tri Ha, for satellite...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): satang Download

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