[mapserver-users] Java Applet Development

Brian Fischer bfischer at mpls.houstoneng.com
Mon Aug 13 09:01:52 PDT 2001


Kieran,

The DM Solutions group also has an applet (Rosa Applet) that provides a
measure tool.  I am sure you will get plenty of responses, but incase
you don't here is the web page for it
(http://www2.dmsolutions.ca/mapserver/rosa/index.html) This should work
for you.  I would be a big user if this function was added to SDL's
mapplet.

-Brian

-----Original Message-----
From: Kieran J. Ames [mailto:kames at keyspanenergy.com] 
Sent: Monday, August 13, 2001 9:14 AM
To: mapserver list
Subject: [mapserver-users] Java Applet Development

Are there any users/developers who have played with a Java interface to
MapServer data, other than the wonderful mapimage applet?
I'm thinking of a measuring tool that could be used to make a
rudimentary ruler, where a user could click from
point-to-point-to-point, drawing a line and getting an indication of the
length of the line that was drawn.
The maps I render are typically only in the "town/neighborhood" range,
and I can't speak to great-circles, projections vs decimal degrees, etc.
But I would think that a map that has a given extent would have some
sort of distance per pixel value that could be calculated and applied to
a line drawing tool. Specifically, I'd like to be able to offer the user
the ability to get an Ad-Hoc distance estimate when viewing a
neighborhood by "tracing" a line over the streets they're viewing and
figure out how many linear feet (meters/yards) were traveled: as opposed
to "as the crow flies" straight line distances.
Any Java-wise users out there that have explored this kind of
functionality?
Thanks,
Kieran




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