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<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>I’m
using this code from the Developers book , It’ works fine, except it
grabs the correct objects, but doesn’t release objects already selected.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>How
do I clear out the Selection in advance so that ONLY my new FILTERED objects
are in the selection.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>Is
there a selection.Clear() or selection.Remove() option to the webAPi besides
for only Adds.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>I
can’t call the parent.mapFrame.ClearSelection() with javascript, because
it runs after the page has compiled and deletes the selection after its been
created.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$queryOptions
= new MgFeatureQueryOptions();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$queryOptions->SetFilter("RNAME
LIKE 'Schmitt%'");<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$queryOptions->SetSpatialFilter('SHPGEOM',<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$districtGeometry,<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>MgFeatureSpatialOperations::Inside);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>//
Get the features from the feature source,<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>//
turn it into a selection, then save as XML.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$featureResId
= new MgResourceIdentifier(<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>"Library://Samples/Sheboygan/Data/Parcels.FeatureSource");<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$featureReader
= $featureService->SelectFeatures(<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$featureResId,
"Parcels", $queryOptions);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=GillSans><span
style='font-size:11.0pt;font-family:GillSans'>Example: Setting the Active Selection
| </span></font><b><font size=2 face=GillSans-Bold><span style='font-size:11.0pt;
font-family:GillSans-Bold;font-weight:bold'>53<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$layer
= $map->GetLayers()->GetItem('Parcels');<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$selection
= new MgSelection($map);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$selection->AddFeatures($layer,
$featureReader, 0);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>$selectionXml
= $selection->ToXml();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>echo
'Setting selection...';<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>}<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>catch
(MgException $e)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>{<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>echo
$e->GetMessage();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>echo
$e->GetDetails();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>}<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>?><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'></body><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><script
language="javascript"><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><!--
Emit this function and assocate it with the onLoad event --><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><!--
for the page so that it gets executed when this page loads--><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><!--
in the browser. The function calls the SetSelectionXML --><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><!--
method on the Viewer Frame, which updates the current --><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'><!--
selection on the viewer and the server. --><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>function
OnPageLoad()<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>{<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>selectionXml
= '<?php echo $selectionXml; ?>';<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>parent.parent.SetSelectionXML(selectionXml);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'>}<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'></script><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=1
face=CourierNewPSMT><span style='font-size:8.0pt;font-family:CourierNewPSMT'></html></span></font><font
size=2 face=CourierNewPSMT><span style='font-size:10.0pt;font-family:CourierNewPSMT'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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