[mapguide-users] window open
dyuti152006 at yahoo.com
Thu Feb 19 02:32:20 EST 2009
any one plss tell me how to generate spatial filter.
any suggestions will be appreciated
thanks and Regards
> Thank u mark ....i'll try this
> Mark Pendergraft wrote:
>> Here are 2 ways to accomplish what you are trying to do:
>> Option 1:
>> You have a widget which inherits Fusion.Tool.Canvas.
>> Use the mousedown even to get the coordinates clicked
>> Then use
>> "var p = this.getMap().getEventPosition(e);" to get the event position
>> "var gp = this.getMap().pixToGeo(p.x, p.y);" to get the N/E at that
>> Then send your northing and easting to a PHP page and use it to generate
>> a spatial filter (you may want to create a mgPolygon from your N/E as
>> your spatialfilter in order to make sure you cover the point)
>> Return the selected point, and send it to another page to create your pop
>> up window populated with the relevant information.
>> Option 2:
>> Use the URL feature in studio to show a link. Use expressions to pass
>> the points information into the link, and have the link directed to a
>> custom page which will populate itself with the relevant data.
>> Seeing as you are new to MapGuide, I would highly recommend option 2, as
>> it requires very little coding and is very easy and user friendly. I
>> have attached a photo of what the URL maptip looks like in my map. In
>> the picture, the user hovers there mouse over a parcel and the maptip
>> pops up with a link to the parcel's page on the county's website. All I
>> have to do is pass the parcel number in the link, which is all done by
>> DYUTI wrote:
>>> to open a new window while clicking on the points displayed
>>> on the map where i've to write the coding...In which file i've to make
>>> changes..&what change i've to make...plss help me...
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