[mapguide-users] Finding nearest Location name

[Andy Morsell]

What you describe is done through a process called reverse geocoding.
Normal geocoding takes an address and returns a lat lon coordinate.  Do a
Google search on this and you should find some information on various web
services that provide this translation.  MapGuide Open Source does not
provide any out of the box mechanism for either of these.


Andy Morsell, P.E.
Spatial Integrators, Inc.
http://www.SpatialGIS.com

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Deepak Kumar
Sent: Thursday, May 31, 2007 10:35 PM
To: MapGuide Users Mail List
Subject: [mapguide-users] Finding nearest Location name

HI,

How to find the nearest location name and address for given lat/long.

regards
Deepak

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org]On Behalf Of Walt Welton-Lair
Sent: Thursday, May 31, 2007 7:56 PM
To: MapGuide Users Mail List
Subject: RE: [mapguide-users] Zoom to Extents


There's a lot of useful DWF Viewer API that is (unfortunately) not exposed
in the shared API for DWF / AJAX.  To zoom to an extent with DWF Viewer you
could add the following method to dwfmappane.templ:

function ZoomToExtent(x0,y0,x1,y1,refresh) {
    var extent = emapViewer.CreateExtent();
    extent.Set(x0, y0, x1, y1);
    emapViewer.ZoomToExtent(extent);
    if(refresh == 1)
        emapViewer.Refresh();
}


Walt

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of David Hequet
Sent: Thursday, May 31, 2007 12:18 PM
To: mapguide-users at lists.osgeo.org
Subject: Re: [mapguide-users] Zoom to Extents


I'm trying do the same thing with the DWF viewer.

If you are using the ajax viewer, look at the "ZoomSelection()" in
"ajaxmappane.templ" file. This method ask the mapagent for the selecion
extents, calculate the scale, then use ZoomToView().
But with the DWF viewer, i found no tricks to reproduce the
calculteScale()
method.



Nichols, Mark A. wrote:
> 
> I see documentation on zooming to an x,y point at a particular scale.
> What I have is the extents already calculated and I'd like to zoom to 
> that particular extent.  I use postgis to get the extents of an
object.
> Results look like
>
county_geometry_extents=631637.01873067,287635.157843,687024.28129651,33
> 7031.91208509.
> 
> Can I zoom not to a point, but instead to a set of points that make up 
> the extents.
> 
> 
> Mark Nichols
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
> 
> 

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