[mapguide-users] MgCoordinateSystemMeasure problem in MGE 2009

[Bruce Dechant]

Jim,

For the 2.0 release the coordinate system API had 2 changes.
Please see http://trac.osgeo.org/mapguide/wiki/MapGuideRfc35

The above RFC removed the constructors for creating MgCoordinateSystemTransform and MgCoordinateSystemMeasure directly. For your case you can now create the measure object directly from the coordinate system itself.

Change this:
$srsMeasure = new MgCoordinateSystemMeasure($srs);
$srsXform = new MgCoordinateSystemTransform($srsDs, $srsMap);

To this:
$srsMeasure = $srs->GetMeasure();
$srsXform = $srsFactory->GetTransform($srsDs, $srsMap);

Unfortunately, it looks the sample code was not updated with the changes in RFC35.

Thanks,
Bruce


-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Jim O'Leary
Sent: Saturday, May 03, 2008 9:55 PM
To: mapguide-users at lists.osgeo.org
Subject: [mapguide-users] MgCoordinateSystemMeasure problem in MGE 2009


When I make a buffer in MGE 2009, this line:

$srsMeasure = new MgCoordinateSystemMeasure($srs);

now generates this message:

Cannot create swig object type: MgCoordinateSystemMeasure as the underlying
object is abstract in ...

I get the same error in the phpsamples for MGOS 2.0.0, which do not appear
to be updated. This is where I got the code above. Does anyone have a
solution?

Thanks.



-----
 


Jim O’Leary Bachelor of Technology


Technical Consultant


Pacific Alliance Technologies

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