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

Wed Feb 18 09:41:02 EST 2009

Thanks Kenneth earlier I was referring MaestroAPI dll from some other
location. Problem is solved now.

Regards,

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 7:53 PM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] Regarding How to set the Initial Map View

The "GetSpatialExtent" method is new, so you have to use the
MaestroAPI.dll from
thre preview binaries or grab them from the folder where you installede
Maestro.

The SpatialContext is likely to contain wrong information (eg, just
extent of the entire coordinate system).

Regards, Kenneth Skovhede, GEOGRAF A/S

ravinder.singh at BIRLASOFT.COM skrev: 

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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