Search found 1 match

by TomGoodacre
Sun Mar 14, 2004 9:53 am
Forum: PHP - Code
Topic: circular buffer around a central point
Replies: 1
Views: 250

circular buffer around a central point

I have a database full of OS grid references related to postcodes. I need to be able to extract all postcodes that appear a certain distance away from a postcode that a user enters. so... 1. user enters postcode into form 2. easting (horizontal) and northing (vertical) grid references for entered po...