Azimuth Elevation
Calculates azimuth and elevation angle in the local horizon system for a sky position given in equatorial coordinates (RA Dec J2000).Function Call: [Az El] = RADec2AzEl(350,58, '2008/02/18 13:10:00',60,15,0)Input:RA - Right ascension (J2000) of sky position in degrees (0:360)Dec - Declination...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Right ascension/declination to azimuth/elevation Download |
A variation of Matlab's cart2sph, that transforms a vector of Cartesian coordinates (East, North, Up) to radar coordinates (Range, Azimuth, Elevation). Note the different definition of radar coords vs. spherical coords, which require this different function (see exact definitions within the help...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): xyz2rae Download |
A complex but easy to use Prayer Times Calculator that have parametric depression angles and safety margins with graphical display of sun/moon azimuth & elevation angles and trajectory. FEATURES: All timings between 1901 and 2099 by truly astronomical calculation 5 different calculation...
Platforms: Windows
License: Freeware | Size: 451 KB | Download (567): Alperen Download |
Skalli is a simple tool to estimate the IVS reference point of an azimuth-elevation type VLBI radio telescope.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 3.05 MB | Download (51): Skalli Download |
I wrote GPS Inspector as an experiment to learn more about GPS and how it could be used within JAVA. I figured others might find it useful or interesting so I have posted the source (GPLv3) and binaries here. It uses parts of other java libraries including: World Wind Java, Gpsylon, JFreeChart,...
Platforms: Mac
License: Freeware | Size: 6.08 MB | Download (50): Gps Inspector Download |
Predict the azimuth and elevation of the Sun within +/- 1 degree at any geodetic latitude, longitude and altitude.Function Call: [Az El] = SolarAzEl('2008/02/18 13:10:00',60,15,0)Input List:UTC Date and Time - Use format YYYY/MM/DD hh:mm:ssLatitude - Site Latitude in degrees -90:90 -> S(-)...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Solar Azimuth and Elevation Estimation Download |
-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 (43): satang Download |
This algorithm will accept a Latitude, Longitude and Altitude location as well as a specific universal coordinated time. It will use this information and calculate the position of the moon in a local coordinate frame (az and alt aka az and el).Example Function Call:[Az El] = LunarAzEl('1991/05/19...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Lunar Azimuth and Altitude Estimation Algorithm Download |
Based on the Two line elements(TLE) - Input from the user, the program calculates the time and the date of the satellite pass. Prints out Azimuth and Elevation & plots it too.
Platforms: Matlab
License: Freeware | Size: 153.6 KB | Download (47): GUI based Satellite Tracking System Download |
Using this script, you can generate a set of data regarding Sun Azimuth Positions at various instants of time for any location on Earth. This data can be used in many applications, like, in determination of orientation of any plane's azimuth from True North.The syntax is 'sun_azimuth_data' (no...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): Sun Azimuth Data Download |
In 1975, Vincenty published a rapidly converging algorithm for computing the distance between points on an ellipsoidal earth. The algorithm is precise to within a few millimeters. Since then, his algorithm has since seen significant implementation in geodesy and engineering. After adjusting the...
Platforms: PHP
License: Freeware | Size: 10 KB | Download (39): Vectorized geodetic distance and azimuth on the WGS84 earth ellipsoid Download |
It needs as an input the value for wind speed to generate a stochastic sea-surface one-dimensional realization.It uses the Pierson-Moskowitz spectrum. Requirements: - MATLAB 7 or higher
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (58): Sea elevation Download |
The actual version requires the following MATLAB toolboxes:- Mapping toolbox (for elevation())- Image Processing Toolbox (for imshow())A providing of toolbox independent functions would be greatly acknowledged.You may tweak the sourcecode to adjust the following information:- Receiver Position-...
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (40): Giove-A/B Orbit Simulator Download |
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 (44): Upslope area functions Download |
It needs as an input the value for wind speed to generate a stochastic sea-surface one-dimensional realization.It uses the Pierson-Moskowitz spectrum.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Sea elevation Script Download |
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 (40): SimpleDEMViewer Download |
Landscape photographers typically wish to plan their shoots around the times of sunset/sunrise or twilight, or alternatively when the moon is in a particular place in a particular phase. While times of sunrise etc. are readily available on various sites on the internet (direction of sunrise etc....
Platforms: Mac
License: Freeware | Size: 2.25 MB | Download (52): The Photographer's Ephemeris Download |
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 (33): G3DGMV Download |
Mapyx Quo is an intuitive, easy to learn and, surprisingly simple-to-use digital mapping program which enables you to connect your GPS to your PC and manage all your waypoints, routes and tracks. View information such as elevation, distance, speed, ETA and many more. Quo supports numerous...
Platforms: Windows, Windows CE
License: Freeware | Size: 44.95 MB | Download (7377): Mapyx Quo Download |
GEOPoint is an easy to use satellite antenna pointing calculator, for geostationary communications satellites. It calculates the azimuth and elevation pointing angles from a given location on the earth towards a specified geostationary satellite. The program also calculates polarisation tilt...
Platforms: Windows
License: Freeware | Size: 2.1 MB | Download (406): GEOPoint Download |