i have a database table with a list of restaurants including their names, latitudes, and longitudes. i would like to select all the restaurants that are within a certain distance from my current locat
My source gave me the following lat and long codes from Amsterdam. But I can\'t get them working with Google Maps. Is there some logic behind it, or some kind of algorithm to convert them?
I have a开发者_StackOverflow set of points (stored as lat/lon) for a polygon, I want to compute the lat/lon center point of the polygon in PHP.
I\'m creating an application that will tell a user how far away a large number of points are from their current position.
I can get the latitude and longitude where I am taking phot开发者_如何学Co. I can also get the Exif information of the photo I took.
I\'m working on a project that surveys the condition of a road or highway using a calibrated trip computer connected to a rugged-PC. 开发者_运维技巧 An operator keys in defect codes as they travel alo
Well, let me explain this briefly: 1.I want to build a website that provides location based services, like http://fireeagle.yahoo.net/ .
Given a series of GPS coordinate pairs, I need to calculate the area of a polygon (n-gon).This is relatively small (not larger than 50,000 sqft).The geocodes are created by applying an affine transfor
Is there a function/algorithm that allows me to input the latitude and the approximate orbital position of the earth in so that I can determine how long the sun is up?IE during the winter开发者_开发技
I have a database of airports with Latitude and Longitude for each point.I want to run a PHP script to find all airports that are nearby a given airport, with their distance and relative direction.