On Thu, 7 Aug 2003 10:59:01 -0500 , you wrote:
Thank you for your reponses. The problem is there are thousands of spots on
the plot.
The locations are random.
This may be one of those you can't get there from here problems, and
you'll have to rethink the presentation of your data. What's the
Since PHP plots the data according to the information in the database
then you know about where the data is located in the image. If PHP works
on a single plot coordinate then you need to increase the acceptable
clickable region and use this to find your point (otherwise people will
need to click
The ability to determine relevant information strongly depends on what
you know about the information you are displaying to the user. I'm
assuming you know about the information you are presenting to the user
and so it should be possible to map the coordinate system that the user
interacts with,
Sorry I didn't ask the question clearly.
I have a large table stored in a db. PHP plots the data in the table.
I'd like the user to be able to get the relevant info of the spot when his
cursor
points at that spot on the plot.
-MY
-Original Message-
From: David Otton [mailto:[EMAIL
ou should be able to use an image map form input widget to get the
coordinates that the user selects from some image you display to them.
Then the determination of relevant information can occur server side via
PHP. I don't have experience with this, but it appears to be how
mapquest works:
input
Dear all,
Anybody knows how to write a graphic plotting code such that when users
point
at that spot, they can get the information relevant to that spot? Thanks
in advance.
that'd be pretty intense. to do this feasbly with PHP, you'd have to analyse
the picture first with the GD
Robert and skate,
Thank you for your reponses. The problem is there are thousands of spots on
the plot.
The locations are random.
-MY
-Original Message-
From: Robert Cummings [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 07, 2003 11:00 AM
To: skate
Cc: Yao, Minghua; [EMAIL
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