[Chameleon] switching views
JR Santillan
dgr8_39991 at yahoo.com
Tue Feb 7 20:26:45 EST 2006
Hello fellow chameleon users.
I would to seek your help regarding turning on and off layers.
In my map, I am aiming to have two views: a graphical view and an aerial view. How do I make it such that a user will only have to click a link in the page and will transform the view from a graphical one (shape files) to an aerial one (aerial pphotograph). I have seen a campus map of MIT (http://whereis.mit.edu/map-jpg)
that employs this kind of method.
I believe the principle here is that I only have to turn off the graphical layers and then
turn on the aerial photograph layer when the view is switched... But how will I do it? How do I make a link in my html file that will turn on the photo layer and turn off the
others, and vice versa?
I tried having two sets of map files.. one for shape file layers and the other for the
aerial photograph.. However, I think it was not useful because when the view is switched, the scale at which the map is displayed before the switch was not preserved.
I consulted Jacob Delfos about this and he said the solution is though the use of javascripts. But I am nowhere at javascript.
Please help.
By the way I'm using MS4W.
Thanks in advance.
Regards,
Jojin
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