[mapguide-users] Re: Convert mcs To LonLat in C#

[Mauricio Villablanca]

Check the web api for the MgCoordinateSystemFactory class. Example:

function transformCoordinate($source, $target, $x, $y) {
		//converts a coordinate from the source to the target coordinate sytem, 
		
		$coordSysFactory = new MgCoordinateSystemFactory();
		$coordSys1 = $coordSysFactory->CreateFromCode($source);
		$coordSys2 = $coordSysFactory->CreateFromCode($target);
		$csTransform12 = $coordSysFactory->GetTransform($coordSys1, $coordSys2);
		$csTransform21 = $coordSysFactory->GetTransform($coordSys2, $coordSys1);
		
		$geometryFactory = new MgGeometryFactory();
		$coordinateArg = $geometryFactory->CreateCoordinateXY($x, $y);
		$coordinate12 = $csTransform12->Transform($coordinateArg);
		$x12 = $coordinate12->GetX();
		$y12 = $coordinate12->GetY();
		$new_coordinate = $geometryFactory->CreateCoordinateXY($x12, $y12);
		
		return $new_coordinate;		
	}
        
         $newLLpoint = transformCoordinate("CA83-VF", "LL84", $x1, $y1);

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