Hi all
I've been trying to make a script that imports a GIF image from an external
server (i have permission to do this, see below) and designates a certain
colour transparent for some time now and i'm not having much luck. Can
anyone help or provide a script that does this?
The images i'm using are Australian weather radar images with a rather plain
brown background
http://mirror.bom.gov.au/radar/IDR503.gif
What i'd like to do is have an orographic map for the background, like this
http://www.bsch.au.com/temp/preview.jpg
The radar images are available to the public and i have permission to make
these alterations
Is it possible for PHP to download a GIF image (through HTTP), designate a
certain colour transparent and then display the image on the screen without
saving the image to the server?
Any help i can get with this would be much appreciated
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