[mapguide-users] Re: Add layer from sdf

Tue May 18 00:57:56 EDT 2010

Dearall,
If anybody worked on this earlier Please share the procedure steps for how
to do it?iam struggling for this.
 my code is 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<!--
//  Copyright (C) 2004-2009 by Autodesk, Inc.
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of version 2.1 of the GNU Lesser
//  General Public License as published by the Free Software Foundation.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 
USA
-->
<html>

<head>
    <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
    <meta http-equiv="content-script-type" content="text/javascript">
    <meta http-equiv="content-style-type" content="text/css">
    <link href="../styles/globalStyles.css" rel="stylesheet"
type="text/css">
    <link href="../styles/otherStyles.css" rel="stylesheet" type="text/css">

    <script language="javascript" type="text/javascript">
        function OnPageLoad()
        {
            parent.mapFrame.Refresh();

        }
    </script>
</head>

<body onLoad="OnPageLoad()">

<?php
require_once('../common/common.php');
require_once('layer_functions.php');
try
{

    MgInitializeWebTier($webconfigFilePath);
    $args = ($_SERVER['REQUEST_METHOD'] == "POST") ? $_POST : $_GET;
    $sessionId = $args['SESSION'];
    $mapName = $args['MAPNAME'];
    $userInfo = new MgUserInformation($sessionId);
    $siteConnection = new MgSiteConnection();
    $siteConnection->Open($userInfo);
    $resourceService =
$siteConnection->CreateService(MgServiceType::ResourceService);
$featureService =
$siteConnection->CreateService(MgServiceType::FeatureService);

    $map = new MgMap();
    $map->Open($resourceService, 'map');
 $mapWktSrs = $map->GetMapSRS();

       $FeatureResId = new MgResourceIdentifier("Session:" . $sessionId .
"//layer.FeatureSource");
            CreateFeatureSource($featureService, $mapWktSrs,$FeatureResId);

 $newLayer = CreateLayer($resourceService, $FeatureResId, $sessionId);

 $map->Save($resourceService);
$map->Refresh();
}
catch (MgException $e)
{
  echo "<script language=\"javascript\" type=\"text/javascript\"> \n";
  $message = $e->GetMessage();
  $message = str_replace("\n", " ", $message);
  echo "    alert(\" " . $message . " \"); \n";
  echo "</script> \n";
}
?>

</body>
</html>

and in layer functions.php 
<?php
//  Copyright (C) 2004-2009 by Autodesk, Inc.
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of version 2.1 of the GNU Lesser
//  General Public License as published by the Free Software Foundation.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 
USA

require_once('../common/common.php');

function CreateFeatureSource($featureService, $wkt, $FeatureResId)
{
    $bufferClass = new MgClassDefinition();
    $bufferClass->SetName('BufferClass');
    $properties = $bufferClass->GetProperties();

    $idProperty = new MgDataPropertyDefinition('ID');
    $idProperty->SetDataType(MgPropertyType::Int32);
    $idProperty->SetReadOnly(true);
    $idProperty->SetNullable(false);
    $idProperty->SetAutoGeneration(true);
    $properties->Add($idProperty);

    $polygonProperty = new MgGeometricPropertyDefinition('Geometry');
    $polygonProperty->SetGeometryTypes(MgFeatureGeometricType::Surface);
    $polygonProperty->SetHasElevation(false);
    $polygonProperty->SetHasMeasure(false);
    $polygonProperty->SetReadOnly(false);
    $polygonProperty->SetSpatialContextAssociation('defaultSrs');
    $properties->Add($polygonProperty);

    $idProperties = $bufferClass->GetIdentityProperties();
    $idProperties->Add($idProperty);

    $bufferClass->SetDefaultGeometryPropertyName('Geometry');

    $bufferSchema = new MgFeatureSchema('BufferLayerSchema', 'temporary
schema to hold a buffer');
    $bufferSchema->GetClasses()->Add($bufferClass);

    $sdfParams = new MgCreateSdfParams('defaultSrs', $wkt, $bufferSchema);

    $featureService->CreateFeatureSource($FeatureResId, $sdfParams);

}

function CreateLayer($resourceService, $FeatureResId, $sessionId)
{

    $doc = DOMDocument::load('cities.xml');

    $featureSourceNode = $doc->getElementsByTagName('ResourceId')->item(0);
    $featureSourceNode->nodeValue = $FeatureResId->ToString();

    $layerDefinition = $doc->saveXML();

    $byteSource = new MgByteSource($layerDefinition,
strlen($layerDefinition));
    $byteSource->SetMimeType(MgMimeType::Xml);

    $tempLayerResId = new MgResourceIdentifier("Session:" . $sessionId .
"//layer.LayerDefinition");

    $resourceService->SetResource($tempLayerResId, $byteSource->GetReader(),
null);

    $bufferLayer = new MgLayer($tempLayerResId, $resourceService);
    $bufferLayer->SetName("Cities");
    $bufferLayer->SetLegendLabel("Cities");
    $bufferLayer->SetDisplayInLegend(true);
    $bufferLayer->SetSelectable(false);

    return $bufferLayer;
}

//////////////////////////////////////////////////////////////
?>

-- 
View this message in context: http://osgeo-org.1803224.n2.nabble.com/Add-layer-from-sdf-tp5017702p5068484.html
Sent from the MapGuide Users mailing list archive at Nabble.com.