$distance *= 0.3048;
}
}
}
// Get the map SRS
//
$srsFactory = new MgCoordinateSystemFactory();
$srsDefMap = GetMapSRS($map);
$mapSrsUnits = "";
$srsMap = $srsFactory->Create($srsDefMap);
$arbitraryMapSrs = $srsMap->GetType() == MgCoordinateSystemType::Arbitrary;
if ($arbitraryMapSrs) {
$mapSrsUnits = $srsMap->GetUnits();
}
//Create/Modify layer definition
$layerDefContent = BuildLayerDefinitionContent();
$resourceSrvc->SetResource($layerDefId, $layerDefContent, null);
if ($layer == null) {
$newBuffer = true;
//Targetting a new layer. create a data source for it
//
$classDef = new MgClassDefinition();
$classDef->SetName($featureName);
$classDef->SetDescription(GetLocalizedString("BUFFERCLASSDESCR", $locale));
$classDef->SetDefaultGeometryPropertyName("GEOM");
//Set KEY property
$prop = new MgDataPropertyDefinition("KEY");
$prop->SetDataType(MgPropertyType::Int32);
$prop->SetAutoGeneration(true);
$prop->SetReadOnly(true);
$classDef->GetIdentityProperties()->Add($prop);
if ($units == "km") {
$unitText = "DISTANCEKILOMETERS";
}
if ($units == "ft") {
$unitText = "DISTANCEFEET";
}
if ($units == "usft") {
$unitText = "DISTANCEUSFEET";
}
if ($units == "m") {
$unitText = "DISTANCEMETERS";
}
$unitText = GetLocalizedString($unitText, $locale);
$tip = sprintf("Concat(Concat(Concat('" . GetLocalizedString("MEASUREPARTIAL", $locale) . ": ', PARTIAL), Concat(', " . GetLocalizedString("MEASURETOTAL", $locale) . ": ', TOTAL)), ' (%s)')", $unitText);
//Create the layer definition
$layerDefContent = BuildLayerDefinitionContent($dataSource, $featureName, $tip);
$resourceSrvc->SetResource($layerDefId, $layerDefContent, null);
} else {
//data source already exist. clear its content
ClearDataSource($featureSrvc, $dataSourceId, $featureName);
}
//Add the layer to the map, if it's not already in it
if ($layer == null) {
$legendName = GetLocalizedString("MEASURELAYER", $locale);
$layer = new MgLayer($layerDefId, $resourceSrvc);
$layer->SetDisplayInLegend(true);
$layer->SetLegendLabel($legendName);
$layers->Insert(0, $layer);
}
}
// create a feature representing this segment and insert it into the data source
