mouse-over "map tips"

[Jim T. Bowen (GAIA Consultants Inc.)]

Brentford,

If you check out:   
http://user.cs.tu-berlin.de/~eserte/bbbike/cgi/bbbike.cgi

or if you don't want to navigate, try:

http://user.cs.tu-berlin.de/~eserte/bbbike/cgi/bbbike.cgi?startname=Oranienburger+Str.+%28Mitte%29&via=&viacharimg.x=&viacharimg.y=&viamapimg.x=&viamapimg.y=&ziel=&zielcharimg.x=&zielcharimg.y=&zielmapimg.x=86&zielmapimg.y=105


The approach you describe is used at this site as well.  This location
was posted to the mapserver-users mailing list with reference to a
'shortest path algorithm' question.  

The boys in our shop thought the imagemap approach was pretty slick
(certainly creative!).  Still of interest to those who want to avoid the
use of Java.    :)


Cheers,
Jim

> Brent Fraser wrote:
> 
> Steve,  (and all)
> 
>   I ran across http://www.imapper.com/ and saw that they were showing
> a
> GIF with "map tips" when the mouse passes over road features.
> 
> Looking at the HTML source, I see that they are using client-side
> image maps with
> "area" tags with polygons and mouse-over text (in the "alt" portion of
> the tag?):
> 
> <area alt="Calle Burgos" title="Calle Burgos"
> href="imsql.asp?Layer=Eje_de_vía&Label=Calle_Burgos" shape="poly"
> coords="-41,74,2,77,46,88,46,92,2,81,-41,78">
> Might be an interesting enhancement to MapServer (version 4.0?)
> Of course since most of us are using Steve's spiffy Java
> mapimage.class to
> interact with the image, it might not be that useful.
> 
> Brent Fraser
> GeoAnalytic Inc.
> 1150 , 633 - 6th Avenue SW Calgary, AB T2P 2Y5
> Tel:  (403)213-2700 Fax:  (403)213-2707
> bfraser at geoanalytic.com
> www.geoanalytic.com

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