[mapguide-users] Tooltip on MapGuide Web API

[Jackie Ng]

Which constructor for MgMap did you use and which overload of
Create()/Open()/Save() did you use?

- Jackie


gatopardo wrote:
> 
> I've tried to open the map with MgMap.Create() and with MgMap.Open()
> I've tried to call Save(), but doesnt' work.
> 
> It could be a bug? Or I am doing something wrong?
> 
> 
> 
> Chris Claydon wrote:
>> 
>> I *think* that when you call RenderMap, it will set the width and height
>> for the in-memory map object. Try calling Save() on the map to save the
>> values back to the session repository before making the calls to
>> GetDisplayWidth/GetDisplayHeight.
>> 
>> Chris.
>> 
>> -----Original Message-----
>> From: mapguide-users-bounces at lists.osgeo.org
>> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of gatopardo
>> Sent: Tuesday, May 26, 2009 7:05 AM
>> To: mapguide-users at lists.osgeo.org
>> Subject: RE: [mapguide-users] Tooltip on MapGuide Web API
>> 
>> 
>> I've tried QueryFeatures on MgRenderingService, but it throws an
>> exception.
>> I've been looking the MgRenderingService source code, and the exception
>> is
>> because the map has the height, width and scale equal to 0.
>> 
>> I don't know how can I set this values on Web Api. Because the map
>> doesn't
>> have setDisplayWidth or setDisplayHeight methods, only have
>> GetDisplayWidth
>> and GetDisplayHeight. Both returns 0.
>> 
>> First of all I have rendered map images, but the map object doesn't save
>> the
>> render height and width.
>> So I think the real problem is how to make that the MgMap Object
>> "remembers"
>> the last render height and width parameters, or how to set them.
>> 
>> 
>> Chris Claydon wrote:
>>> 
>>> I'm pretty sure that QUERYMAPFEATURES ends up calling the QueryFeatures
>>> method on the MgRenderingService. You'll need to create a geometry
>>> object
>>> that corresponds to the point you're clicking on. It is best to make it
>>> a
>>> small square rather than a single point, in order for the spatial filter
>>> to pick up the underlying feature. And it should use coordinates in the
>>> same coordinate system as the map (not image pixel cords).
>>> 
>>> Chris.
>>> 
>>> From: mapguide-users-bounces at lists.osgeo.org
>>> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kenneth
>>> Skovhede, GEOGRAF A/S
>>> Sent: Monday, May 25, 2009 7:35 AM
>>> To: MapGuide Users Mail List
>>> Subject: Re: [mapguide-users] Tooltip on MapGuide Web API
>>> 
>>> The operation is called "QUERYMAPFEATURES", but I can't seem
>>> to find it as a function from the Web API.
>>> You can see it in use if you look in the file:
>>> C:\program
>>> files\MapGuideOpenSource2.0\WebServerExtensions\www\viewerfiles\ajaxmappane.templ
>>> line 2555.
>>> 
>>> You may also want to read this thread:
>>> http://lists.osgeo.org/pipermail/mapguide-users/2007-January/004818.html
>>> 
>>> 
>>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>> 
>>> 
>>> gatopardo skrev:
>>> 
>>> Nobody can help me?
>>> 
>>> 
>>> 
>>> 
>>> 
>>> gatopardo wrote:
>>> 
>>> 
>>> 
>>> How could I get the Tooltip on a point using MapGuide Web API?
>>> 
>>> 
>>> 
>>> Example:
>>> 
>>> I have generated an image using MgRenderingService.RenderMap, and after
>>> 
>>> that I want to get the tooltip on a point of this image, using the
>>> 
>>> coordinates on image pixels or converting them to lat-lon.
>>> 
>>> 
>>> 
>>> But I haven't found any method that makes this.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> mapguide-users mailing list
>>> mapguide-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>> 
>>> 
>> 
>> -- 
>> View this message in context:
>> http://n2.nabble.com/Tooltip-on-MapGuide-Web-API-tp2732016p2974565.html
>> Sent from the MapGuide Users mailing list archive at Nabble.com.
>> 
>> _______________________________________________
>> mapguide-users mailing list
>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>> _______________________________________________
>> mapguide-users mailing list
>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>> 
>> 
> 
> 

-- 
View this message in context: http://n2.nabble.com/Tooltip-on-MapGuide-Web-API-tp2732016p2979390.html
Sent from the MapGuide Users mailing list archive at Nabble.com.