Truyen Nguoi Lon

LON-CAPA is an Open Source Freeware Distributed Learning Content Management and Assessment System. LON-CAPA is a full-featured, web-based course management system similar to commercial systems, see edutools.info for comparisons.. The LearningOnline Network with CAPA is an open source...

The National Snow and Ice Data Center (NSIDC) and Scientific Committee on Antarctic Research (SCAR) use a version of the polar stereographic projection that Matlab does not have. This file does transformations to geographic coordinates from map coordinates to facilitate comparisons with other...

ECEF2LLA - convert earth-centered earth-fixed (ECEF) cartesian coordinates to latitude, longitude, and altitude.USAGE:[lat,lon,alt] = ecef2lla(x,y,z)lat = geodetic latitude (radians)lon = longitude (radians)alt = height above WGS84 ellipsoid (m)x = ECEF X-coordinate (m)y = ECEF Y-coordinate (m)z...


Platforms: Matlab

Geo::Inverse is a Perl module to calculate geographic distance from a lat & lon pair. SYNOPSIS use Geo::Inverse; my $obj = Geo::Inverse->new(); # default "WGS84" my ($lat1,$lon1,$lat2,$lon2)=(38.87, -77.05, 38.95, -77.23); my ($faz, $baz, $dist)=$obj->inverse($lat1,$lon1,$lat2,$lon2);...


Platforms: *nix

GPS::SpaceTrack is a package for calculating the position of GPS satellites. SYNOPSIS use GPS::SpaceTrack; my $obj=GPS::SpaceTrack->new(filename=>"gps.tle"); print join("t", qw{Count PRN ELEV Azim SNR USED}), "n"; foreach ($obj->getsatellitelist({lat=>38.870997, lon=>-77.05596})) { print...


Platforms: *nix

A revitalization of the famous Quake mod released under GPL by Lon Hohberger (http://lon.110mb.com/). This code was initially forked from Meta5 and intends to keep the same version numbering scheme.


Platforms: Windows, Mac, Linux

Among other things, this allows the gProximity module to display a map showing all nodes with gmap_cck fields.Installation - Unpack in your modules folder (usually /sites/all/modules/) and enable under Administer > Site Building > Modules.  Requirements: - Drupal 5.x - Drupal Views module -...


Platforms: Windows, Mac, *nix, PHP, BSD Solaris

read_SRTMtile: returns lon, lat, & height (height in meters) from SRTM 3-arcsec dataUSE: [vlon vlat vhgt] = read_SRTMtile(filename,sc)INPUT:1) filename: filename, e.g. 's23w041.hgt'the 3-arc sec files can be found at:http://dds.cr.usgs.gov/srtm/version2_1/SRTM3/2) sc: spot check, any value here...


Platforms: Matlab

A standard problem in satellite retrievals is finding the file day and granule data on the DAAC associated with a particular lat/lon and also finding the Greenwich Mean Time associated with a sounding.This set of files will find file day and granule and GMT for a particular lat/lon based on the...


Platforms: Matlab

function [out]=random2(ini,fin,num)% Choosse randomly a number (num) of elements from a vector [ini:fin]% Randomly change the position of the vector. in pairs of twos%% Imput:% ini: Beginning of the vector% fin: End of the vector% nun: Number of elements to choose from the range of vector...


Platforms: Matlab

LAT_LON_PROPORTIONS Scales a plot in latitude & longitude axis to meters. It will compress the x axis by cos(latitude) in order to reflect the relationship between a degree latitude and a degree longitude at the center of the map. The major assumption here is sperical Earth.


Platforms: Matlab

function similar to Rafael Palacios's deg2utm.m but using formulas from "Map Projections - A Working Manual" by J.P. Snyder (1987) for better precision in Southern hemisphere.This second version allows forcing UTM zone and hemisphere in input, but can still be used like the previous version in...


Platforms: Matlab

iOS Library for geocoding an address string into WGS84 (Lon?*A*/Lat?*A*) via Google Maps API


Platforms: Mac

Geocode digital images with latitude, longitude, altitude, and direction information. RoboGEO stamps this information onto the actual photo or writes it to the EXIF headers, allowing you to permanently geotag and link your photos to the GPS coordinates. All writing to the EXIF and IPTC headers...


Platforms: Windows

Create device networked products with the world leading lonmark standards. Create in minutes a program which controls any electrical device via the internet.Simplified Projects in Energy Management, Industrial Controls and Home Security. Why use Lonworks ? Because 750+ Companies worldwide have...


Platforms: Palm OS, Windows, Windows CE

Private NetcastingO from EnjoyMyMedia is a free personal broadcasting system that is the safest, simplest way to share your life and stay regularly connected to friends and family. Private Netcasting continuously broadcasts personal multimedia--photos, videos, audios, docs, any file--over the Net...


Platforms: Windows

Geo::Lookup::ByTime is a Perl module to lookup location by time. SYNOPSIS use Geo::Lookup::ByTime; $lookup = Geo::Lookup::ByTime->new( @points ); my $pt = $lookup->nearest( $tm ); Given a set of timestamped locations guess the location at a particular time. This is a useful operation...


Platforms: *nix

GIS::Distance::Polar can do Polar coordinate flat-earth distance calculations. SYNOPSIS my $calc = GIS::Distance::Polar->new(); my $distance = $calc->distance( $lon1, $lat1 => $lon2, $lat2 ); Supposedly this is a formula to better calculate distances at the poles. While implimented, this...


Platforms: *nix

Spotter is a program that lets students check their answers to math and science questions. It handles symbolic as well as numerical answers. Spotter application is free and open source. I got the idea for Spotter from LON-CAPA, which is also free and open-source. The programs are alike in...


Platforms: *nix

Growler is a C++-based distributed object and event architecture. It is written in C++, and supports serialization of C++ objects as part of its Remote Method Invocation, Event Channels, and in its Interface Definition Language. Its primary application has been in support of interactive,...


Platforms: *nix