If you want to plot Geographical data on a map and want to do it without integrating with third-party API’s like Google Maps, here’s an article which shows you how.

The article shows you how to plot points on a map using PHP and GD. The code contains a function to convert latitude and longitude values into x and y values to plot on an image. Here’s the output from a sample code I was testing based on this article:

Read the article at : PHP Examples: Mapping in PHP part 1