[mapguide-users] re: fail to display marker in mgos 2.0.2

[Zac Spitzer]

if it works with 1.1 then is most probably either NULLs or not closing
the feature reader as 2.x
is more fussy about such things, if you search the mailing list
archives there are some threads
about this

z

On Tue, Oct 28, 2008 at 10:55 AM, bongtk <bongtk at sains.com.my> wrote:
> dear Zac Spitzer,
>
> perhaps i should call it failing silently. but, it is not "time out".
> the whole codes are executed without errors. only thing is that the
> markers are not displayed.
>
> the code is phpsample code shared for sheboygan application. the same
> problem happening even when i used the same sheboygan data and code,
> it works for MGOS 1.1, not 2.0.2.
>
> thanz for your prompt reply.
>
> regards, bongtk
> --------
> <?php
>     include 'appconstants.php';
>     include 'utilityfunctions.php';
>     include 'findparcelfunctions.php';
>
>     $mgSessionId = ($_SERVER['REQUEST_METHOD'] == "POST")? $_POST
> ['SESSION']: $_GET['SESSION'];
>     $matches = 0;   // Variable to control output results.
>     $mapUpdated = false;
>
>     try
>     {
>
>         MgInitializeWebTier ($configFilePath);
>
>         $userInfo = new MgUserInformation($mgSessionId);
>         $siteConnection = new MgSiteConnection();
>         $siteConnection->Open($userInfo);
>
>         // Initialize variables to be used in this script and create
>         // instances of a FeatureService and ResourceService objects.
>
>         $parcelMarkerFeatureSourceId = new MgResourceIdentifier
> ("Session:" . $mgSessionId  . "//ParcelMarker.FeatureSource");
>         $parcelMarkerCommands = new MgFeatureCommandCollection();
>
>         $resourceService = $siteConnection->CreateService
> (MgServiceType::ResourceService);
>         $featureService = $siteConnection->CreateService
> (MgServiceType::FeatureService);
>
>         // Determine if a previous Search has been run. If not create a
>         // temporary ParcelMarker feature source and layer. Otherwise
>         // just delete the previous search results.
>
>         $map = new MgMap();
>         $map->Open($resourceService, 'councilmap');
>
>         $parcelMarkerLayer = GetLayerByName($map, 'ParcelMarker');
>         if ($parcelMarkerLayer == null)
>         {
>             CreateParcelMarkerFeatureSource($featureService,
> $parcelMarkerFeatureSourceId);
>             $parcelMarkerLayer = CreateParcelMarkerLayer
> ($resourceService, $parcelMarkerFeatureSourceId, $mgSessionId);
>
>             $map->GetLayers()->Insert(0, $parcelMarkerLayer);
>         }
>         else
>         {
>             $parcelMarkerCommands->Add(new MgDeleteFeatures
> ('ParcelMarker', "ID like '%'"));
>         }
>
>         // If an owner was specified create a FeatureService object and
>         // use it to query all of the parcels with an owner that
> matches
>         $owner = trim($_GET['Owner']);
>         if (strlen($owner) >= 0)
>         {
>
>             if (strlen($owner) > 0)
>             {
>              $filter = "NAME LIKE '%" . $owner . "%'";
>             }
>             else
>             {
>              $filter = "NAME LIKE '%%'";
>             }
>             $featureResId = new MgResourceIdentifier
> ("Library://council/building.FeatureSource");
>             $queryOptions = new MgFeatureQueryOptions();
>             $queryOptions->SetFilter($filter);
>
>             $geometryReaderWriter = new MgAgfReaderWriter();
>
>             $featureReader = $featureService->SelectFeatures
> ($featureResId, "building", $queryOptions);
>
>             while ($featureReader->ReadNext())
>             {
>                 $name = $featureReader->GetString('NAME');
>                 $byteReader = $featureReader->GetGeometry('GEOMETRY');
>
>                 $geometry = $geometryReaderWriter->Read($byteReader);
>                 $point = $geometry->GetCentroid();
>                 $x = $point->GetCoordinate()->GetX();
>                 $y = $point->GetCoordinate()->GetY();
>
>                 // Create an insert command for this parcel.
>
>                 $properties = new MgPropertyCollection();
>                 $properties->Add(new MgStringProperty('Owner', $name));
>                 $properties->Add(new MgGeometryProperty('Location',
> $geometryReaderWriter->Write($point)));
>                 $parcelMarkerCommands->Add(new MgInsertFeatures
> ('ParcelMarker', $properties));
>
>                 // Add a row to the hyperlink table for this parcel.
>
>                 echo '<tr><td class="NavItem">';
>                 echo "<br><a href=\"gotopointgooglebuilding.php?
> X=$x&Y=$y&Scale=5000\" target=\"scriptFrame\"><font color =#dd0000
> size =4>  $name</font></a>";
>
>                 echo '<form action="findbuildingGE.php" method="get"
> target="scriptFrame">';
> 		echo '<input name="OWNER" type="hidden" value="' .
> $name . '">';        	echo '<input name="" type="submit"
> value="Google Earth">';
>         	echo '</form>';
>
>                 echo '<form action="../council/mysql_display.php"
> method="get" target="New Window">';
> 		echo '<input name="OWNER" type="hidden" value="' .
> $name . '">';
>         	echo '<input name="" type="submit" value="
> Rating     ">';
>         	echo '</form></td></tr>';
>
>                 $matches++;
>             }
>
>             $featureReader->Close();
>
>             echo '</table>';
>             if ($parcelMarkerCommands->GetCount() > 0)
>             {
>                 $featureService->UpdateFeatures
> ($parcelMarkerFeatureSourceId, $parcelMarkerCommands, false);
>
>                 $parcelMarkerLayer->SetVisible($matches > 0);
>                 $parcelMarkerLayer->ForceRefresh();
>
>                 $map->Save($resourceService);
>                 $mapUpdated = true;
>             }
>             else
>             {
>                 echo '<tr><td class="NavItem">0 matches
> found.</td></tr>';
>             }
>         }
>         else
>         {
>             echo '<tr><td class="NavItem">You must specify a Shopping
> Mall!</td></tr>';
>         }
>     }
>     catch (MgException $e)
>     {
>         echo $filter;
>         echo $e->GetMessage();
>         echo $e->GetDetails();
>     }
> ?>
> ----
>
>
> is it throwing any errors or just failing silently? can you post any
> more code? On Wed, Oct 22, 2008 at 6:21 PM, bongtk
> <bongtk at sains.com.my> wrote:
>
>>> dear all,
>>>
>>> goodday!
>>> i had encountered problem of creating and displaying the marker
>
>
> after
>
>>> creating using the code below using mgos 2.0:
>>>               $name = $featureReader->GetString('NAME');
>>>               $byteReader = $featureReader->GetGeometry('GEOMETRY');
>>>
>>>               $geometry = $geometryReaderWriter->Read($byteReader);
>>>               $point = $geometry->GetCentroid();
>>>               $x = $point->GetCoordinate()->GetX();
>>>               $y = $point->GetCoordinate()->GetY();
>>>
>>>               // Create an insert command for this parcel.
>>>
>>>               $properties = new MgPropertyCollection();
>>>               $properties->Add(new MgStringProperty('Owner',
>
>
> $name));
>
>>>               $properties->Add(new MgGeometryProperty('Location',
>>> $geometryReaderWriter->Write($point)));
>>>               $parcelMarkerCommands->Add(new
>>> MgInsertFeatures('ParcelMarker', $properties));
>>>
>>> i'd used the same code to display the marker using mgos 1.1 and it
>
>
> works
>
>>> well. can any of you give some advice?
>>> appreciate, thanz a lot.
>>>
>>> regards, bongtk
>
>
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>
>



-- 
Zac Spitzer -
http://zacster.blogspot.com (My Blog)
+61 405 847 168