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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Well first off, I would open the Map with the siteconnection.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>After you create the new selection object with the XML selection
like so:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Dim Selection as New MgSelection(Map, mapSelection)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You then need to find out what layers are selected, then
generate a filter for each layer.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Then you can use a featureReader to read the selected objects,
and then your code can perform functions based off of the selection.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Here is an example function in VB (sorry, but I have to
translate your guy’s php all the time, so I don’t feel that bad)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#4F6228'>‘’’’’’’’’’’’’’’’’’’’’’’’’’’
Begin Code ‘’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Function MakePolygonFromSelection(ByVal featureService As
MgFeatureService, ByVal Map As MgMap, ByVal JobNo As String, ByVal XmlSel As
String) As MgPropertyCollection<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#4F6228'>‘ Open the map with the
XML selection that was passed through javascript<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim ActiveSelection
As New MgSelection(Map, XmlSel)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#4F6228'> ‘
Get the layers in the activeselection as a mgreadonlylayercollection<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim Layers As
MgReadOnlyLayerCollection = ActiveSelection.GetLayers<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#4F6228'>‘ I only want to use
the selection if one object was selected…. If you wanted multiple
objects, you would loop through the layers<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#4F6228'>‘ to find out which
layers are selected.. then you could generate an array of strings containing
the selections generated filter (like below)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> If Not
Layers.GetCount = 1 Then<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>
ErrorMessage = "More than one object was selected"<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>
Return Nothing<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Exit
Function<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> End If<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#4F6228'>‘
Now get the layer from the selection <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim Layer As MgLayer
= Map.GetLayers.GetItem(Layers.Item(0).Name)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#4F6228'>‘
Generate the selection filter for the layer, which you will use to get the
selected objects on that layer</span><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim selectionFilter
As String = ActiveSelection.GenerateFilter(Layer, Layer.FeatureClassName)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#4F6228'>‘
create a new mgFeatureQueryOptions and set the filter to the selection filter
obtained from the active selection set</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim queryOptions As New
MgFeatureQueryOptions<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>
queryOptions.SetFilter(selectionFilter)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#4F6228'>‘ now create the
feature reader, and set it to obtain the objects from the active selection
(using the layer, and the query options created using the generatefilter
command</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim fr As
MgFeatureReader = featureService.SelectFeatures(New
MgResourceIdentifier(Layer.GetFeatureSourceId), Layer.GetFeatureClassName,
queryOptions)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#4F6228'>‘ read the first
feature<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> fr.ReadNext()<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#4F6228'>’the
rest of this code transfers the geometry from the selected feature to another
feature source..<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#4F6228'> ’
this is where you would insert your code to act upon the map features that were
selected.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim Geom As
MgByteReader = fr.GetGeometry(Layer.GetFeatureGeometryName)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim geometryProperty
As New MgGeometryProperty("Geometry", Geom)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim JobNoProperty As
New MgStringProperty("JobNo", JobNo)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Dim
propertyCollection As New MgPropertyCollection<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>
propertyCollection.Add(geometryProperty)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>
propertyCollection.Add(JobNoProperty)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> fr.Close()<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> fr.Dispose()<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#4F6228'>’
this is the end of the function… you will also want to save your map back
to the user session should you update anything on it.</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Return
propertyCollection<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> End Function</span><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#9BBB59'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#4F6228'>‘’’’’’’’’’’’’’’’’’’’’’’’’’’
End Code ‘’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Well, I hope that clears things up a bit.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Mark Pendergraft<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Jorge Rubio<br>
<b>Sent:</b> Friday, July 13, 2007 10:41 AM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> Re: [mapguide-users] Problems with xmlSelection<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal>My problems begin before to show selection. $mgSelection is
not initialized!<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><br>
<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=gmailquote>2007/7/13, Scott Hameister <<a
href="mailto:scotth@mpower-tech.com">scotth@mpower-tech.com</a>>:</span> <o:p></o:p></p>
<div>
<div>
<p><span style='font-size:11.0pt;color:#1F497D'>The map needs to be saved and
refreshed before a selection can show</span><o:p></o:p></p>
<p><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:
10.0pt'> <a href="mailto:mapguide-users-bounces@lists.osgeo.org" target="_blank">mapguide-users-bounces@lists.osgeo.org
</a>[mailto:<a href="mailto:mapguide-users-bounces@lists.osgeo.org"
target="_blank">mapguide-users-bounces@lists.osgeo.org</a>] <b>On Behalf Of </b>Jorge
Rubio<br>
<b>Sent:</b> Friday, July 13, 2007 9:35 AM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> [mapguide-users] Problems with xmlSelection</span><o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
<div>
<p>Hi list<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>I need to pass an xmlSlection to a php class in order to be used by a member
function<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>Using javascript I get xmlSelection<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>var xmlSel = parent.parent.mapFrame.GetSelectionXML();<br>
<o:p></o:p></p>
</div>
<div>
<p>I post the selection like this<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>someParams + "&SELECTION=" + encodeURIComponent(xmlSel);<br>
<br clear=all>
I get the params at php class file like this<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>$mgSessionId = ($_SERVER['REQUEST_METHOD'] == "POST")?
$_POST['SESSION']: $_GET['SESSION'];<br>
$mapName = ($_SERVER['REQUEST_METHOD'] == "POST")? $_POST['MAPNAME']:
$_GET['MAPNAME']; <br>
$mapSelection = rawurldecode(($_SERVER['REQUEST_METHOD'] == "POST")?
$_POST['SELECTION']: $_GET['SELECTION']);<br>
<o:p></o:p></p>
</div>
<div>
<p>so $mapSelection is an XML string.<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>Then, I need to get that selection<o:p></o:p></p>
</div>
<div>
<p> <o:p></o:p></p>
</div>
<div>
<p>$featureService =
$this->site->CreateService(MgServiceType::FeatureService);<br>
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);<o:p></o:p></p>
<p>$map = new MgMap();<br>
$map->Open($resourceService, $mapName);<br>
$mgSelection = new MgSelection($map,$mapSelection);<o:p></o:p></p>
<p>None selection is created!!<o:p></o:p></p>
<p>What I'm doing wrong?<o:p></o:p></p>
<p>Thanks in advance.<o:p></o:p></p>
</div>
<div>
<p><br>
-- <br>
Lic. Jorge Rubio <o:p></o:p></p>
</div>
</div>
</div>
</div>
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<br>
-- <br>
Lic. Jorge Rubio <o:p></o:p></p>
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