[mapguide-users] Regarding How to set the Initial Map View

Wed Feb 18 08:04:16 EST 2009

Hi Kenneth,

I have gone thru the file you referred.

I have problem in Topology.Geometries.IEnvelope env =
ldef.GetSpatialExtent(); at line no 1912

GetSpatialExtent() method is not coming in in ldef object I created.

And then I tried to write just the following code

OSGeo.MapGuide.MaestroAPI.LayerDefinition ldef =
conn.GetLayerDefinition(mylayer.ResourceId);

//Topology.Geometries.IEnvelope env = ldef

OSGeo.MapGuide.MaestroAPI.FdoSpatialContextList lst =
conn.GetSpatialContextInfo(ldef.Item.ResourceId, false);

 mapDef.Extents.MinX =
System.Convert.ToDouble(lst.SpatialContext[0].Extent.LowerLeftCoordinate
.X);

 mapDef.Extents.MinY =
System.Convert.ToDouble(lst.SpatialContext[0].Extent.LowerLeftCoordinate
.Y);

 mapDef.Extents.MaxX =
System.Convert.ToDouble(lst.SpatialContext[0].Extent.UpperRightCoordinat
e.X);

 mapDef.Extents.MaxY =
System.Convert.ToDouble(lst.SpatialContext[0].Extent.UpperRightCoordinat
e.Y);

Which gives me the incorrect coordinates, I verify it with maestro, it
is different from that one showing in maestro, in effect the viewer also
is not able to show the map.

Thanks

Ravinder

________________________________

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: Wednesday, February 18, 2009 3:35 PM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] Regarding How to set the Initial Map View

Please have a look at the Maestro code:
http://trac.osgeo.org/mapguide/browser/trunk/Tools/Maestro/Maestro/Resou
rceEditors/MapEditor.cs#L1895

It shows how to read the extent of data, as well as how to set it.

Regards, Kenneth Skovhede, GEOGRAF A/S

ravinder.singh at BIRLASOFT.COM skrev: 

Hi,

Although it solved out my problem of setting the initial map View at
Design time in maestro.

Now I have written the code to set the layer of map dynamically by using
maestro api, the map is showing correct layer in viewer. Now I want to
set the Initial Map View (Lower Left and Upper Right (XY Coordinates))
at run time by fetching the extents of the layer.

Please assist...

Thanks

Ravinder 

________________________________

From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of
ravinder.singh at BIRLASOFT.COM
Sent: Tuesday, February 17, 2009 4:19 PM
To: mapguide-users at lists.osgeo.org
Subject: RE: [mapguide-users] Regarding How to set the Initial Map View

Hi Kenneth,

Yes it solved out my problem.

Thanks

Regards,

Ravi

________________________________

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: Tuesday, February 17, 2009 1:38 PM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] Regarding How to set the Initial Map View

There was a bug in Maestro that swapped some x/y coordinates, try using
the newest build (r3260).

Regards, Kenneth Skovhede, GEOGRAF A/S

ravinder.singh at BIRLASOFT.COM skrev: 

Hi All,

How to set the Initial Map View (Lower Left and Upper Right (XY
Coordinates)) in MapGuide Maestro.

If I click on Set View to Current Layers Extent (In Maestro) & Run the
layout then map does not appears in the viewer , seems that  map is
there on the viewer but at different position which is not visible at
startup, Because when I try to pan the map multiple times left or right
up or down  it appears.

I am using MGOS 2.0, .Net

Please assist...

Thanks,

Ravi

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