[mapserver-users] Java Applet Development
Dave McIlhagga
mcilhagga at dmsolutions.ca
Mon Aug 13 07:34:30 PDT 2001
Kieran,
The ROSA applet supports this functionality directly:
http://www2.dmsolutions.ca/mapserver/rosa/index.html
Dave
"Kieran J. Ames" wrote:
>
> 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
--
Dave McIlhagga
President, DM Solutions Group
http://www.dmsolutions.ca
----------------------------
Innovative Spatial Solutions
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Phone : 613-565-5056
Cell : 613-261-3913
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Ottawa, Ontario
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