GPS Ellipsoid 3D Rectangular XYZ-Coordinates Calculator using PHP Free Source Code
GPS Ellipsoid 3D Rectangular XYZ-Coordinates Calculator This program computes the 3D rectangular XYZ coordinates corresponding to any given latitude and longitude coordinates and elevation point, in meters, on the GRS-80/WGS-84/GPS ellipsoid model. The program performs all the calculus for you. The graphic above shows the math used in the program. Here is a working copy of the program: http:/