[Chameleon] switching views
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.
By the way I'm using MS4W.
Thanks in advance.
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