[Mapserver-users] Re: Help with simple(?) app

[Hobbes Zatow]

I'll give mapscript a try.  

Happen to know know where I can find a compiled
perl/MapScript for MapServer 4?  (My Web host doesn't
allow enable_dl for PHP).

Thanks!


--- Vinko Vrsalovic <vinko at cprsig.cl> wrote:
> On Fri, Aug 08, 2003 at 09:47:49AM -0700, Hobbes
> Zatow wrote:
> > I need to create a simple application that
> displays a
> > map of the US, then allows the user to click on a
> > state to get a zoomed-in view of just the one
> state
> > (without seeing bordering states).  
> > 
> > I am able to display the US map with mapserver/cgi
> > without a problem, but how do I:
> > 
> > 1. Display the zoomed-in state w/o bordering
> states?
> > 
> > 2. Program the "direct to state" zoom in
> capability?
> 
> I don't know if with plain CGI mapserver you can do
> it, but with
> MapScript it can be done rather easily.
> 
> For 1, you could set up two classes, one to show the
> state, and other to
> hide all the other states (by setting its status to
> MS_OFF), and using
> class expression to choose which state is the one
> you want rendered.
> 
> For 2, you grab the polygon defining the state, and
> then obtain its
> extent iterating through the points, or just do an
> array/hash/whatever 
> for all the extents.
> 
> 
> -- 
> Vinko Vrsalovic <el[|- at -|]vinko.cl>
> http://www.cprsig.cl


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