I'm not aware of a tag, but I think you may find simply passing a variable that indicates the region clicked is WAY easier than all that pixel palette colour stuff....but hey...mabye I'm not understanding what you're trying to do ;-)

Cheers

Bryan Stevenson B.Comm.
VP & Director of E-Commerce Development
Electric Edge Systems Group Inc.
t. 250.920.8830
e. [EMAIL PROTECTED]

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Macromedia Associate Partner
www.macromedia.com
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Vancouver Island ColdFusion Users Group
Founder & Director
www.cfug-vancouverisland.com
  ----- Original Message -----
  From: Claude Schneegans
  To: CF-Talk
  Sent: Monday, April 19, 2004 7:36 AM
  Subject: clicking on a map

  Hi, I'm looking for a custom tag that would do the following, can someone give me a hint?

  - a geographical map is displayed on a page in a GIF image.
  - the map is declared a map (in the HTML sense), so that when a user clicks on it, the exact coordinates are sent to the server.
  - now in the server, some tag would be able to read the file and return the color, and the color index in the palette, of the pixel hit by the click. This could be used very easily to identify the area clicked.

  Thanks.

  P.S. If such a tag does not exist, I'm plannng to write one, any one interested?

  --
  _______________________________________
  See some cool custom tags here:
  http://www.contentbox.com/claude/customtags/tagstore.cfm
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  Thanks.
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