function GetMapLayerNames()
{
$layerNames = array();
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$map = new MgMap($this->site);
$map->Open($this->args['MAPNAME']);
$layers = $map->GetLayers();
for ($i = 0; $i < $layers->GetCount(); $i++)
{
$layer = $layers->GetItem($i);
//TODO: Exclude Raster and Drawing Layers???
if((substr($layer->GetName(), 0, 1) != "_") && (substr(strtoupper($layer->GetFeatureSourceId()), 0, 7) != "SESSION") && ($layer->IsVisible()) && $layer->GetSelectable())
{
$layerNames[$layer->GetName()] = $layer->GetLegendLabel();
}
}
asort($layerNames);
return $layerNames;
}
function GetSelectionXML()
{
$json = new Services_JSON();
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$featureService = $this->site->CreateService(MgServiceType::FeatureService);
$map = new MgMap();
$map->Open($resourceService, $this->args['MAPNAME']);
$layer = $map->GetLayers()->GetItem($this->args['LAYERNAME']);
$resId = new MgResourceIdentifier($layer->GetFeatureSourceId());
$featureClass = $layer->GetFeatureClassName();
$schemaAndClass = explode(":", $featureClass);
$classDef = $featureService->GetClassDefinition($resId, $schemaAndClass[0], $schemaAndClass[1]);
$properties = new MgPropertyCollection();
$idList = $json->decode($this->args['IDLIST']);
foreach ($idList as $key => $value) {
switch ($classDef->GetProperties()->GetItem($key)->GetDataType()) {
case MgPropertyType::Boolean:
$properties->Add(new MgBooleanProperty($key, $value));
break;
case MgPropertyType::Byte:
$properties->Add(new MgByteProperty($key, $value));
break;
case MgPropertyType::Single:
$properties->Add(new MgSingleProperty($key, $value));
break;
case MgPropertyType::Double:
$properties->Add(new MgDoubleProperty($key, $value));
break;
case MgPropertyType::Int16:
$properties->Add(new MgInt16Property($key, $value));
break;
case MgPropertyType::Int32:
$properties->Add(new MgInt32Property($key, $value));
break;
case MgPropertyType::Int64:
$properties->Add(new MgInt64Property($key, $value));
break;
case MgPropertyType::String:
$properties->Add(new MgStringProperty($key, $value));
break;
case MgPropertyType::DateTime:
$properties->Add(new MgDateTimeProperty($key, $value));
break;
case MgPropertyType::Null:
case MgPropertyType::Blob:
case MgPropertyType::Clob:
case MgPropertyType::Feature:
case MgPropertyType::Geometry:
case MgPropertyType::Raster:
break;
}
}
$selection = new MgSelection($map);
$selection->AddFeatureIds($layer, $featureClass, $properties);
return $selection->ToXml();
}
</head>
<body class="AppFrame">
<h1 class="AppHeading">Layer Visibility</h1>
<?php
require_once '../common/common.php';
try {
MgInitializeWebTier($webconfigFilePath);
$args = $_SERVER['REQUEST_METHOD'] == "POST" ? $_POST : $_GET;
$sessionId = $args['SESSION'];
$mapName = $args['MAPNAME'];
$userInfo = new MgUserInformation($sessionId);
$siteConnection = new MgSiteConnection();
$siteConnection->Open($userInfo);
$map = new MgMap($siteConnection);
$map->Open($mapName);
$layers = $map->GetLayers();
// Get layer collection
echo "<p>Layers, in draw order:</p>";
echo '<table class="taskPane" cellspacing="0">';
echo '<tr><th class="rowHead">Layer</th><th>GetVisible()</th><th>IsVisible()</th></tr>';
$count = $layers->GetCount();
for ($i = 0; $i < $count; $i++) {
$layer = $layers->GetItem($i);
echo "<tr><td class=\"rowHead\">" . $layer->GetName() . "</td><td>" . ($layer->GetVisible() ? 'on' : 'off') . "</td><td>" . ($layer->IsVisible() ? 'on' : 'off') . "</td></tr>\n";
}
echo '</table>';
} catch (MgException $e) {
echo "<p><strong>Error:</strong> ";
echo $e->GetDetails();
echo "</p>";
}
function GetOpenMarkup()
{
$openMarkup = array();
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$map = new MgMap();
$map->Open($resourceService, $this->args['MAPNAME']);
$layerGroups = $map->GetLayerGroups();
if ($layerGroups->Contains('_Markup')) {
$layers = $map->GetLayers();
for ($i = 0; $i < $layers->GetCount(); $i++) {
$layer = $layers->GetItem($i);
if ($layer->GetGroup() != null and $layer->GetGroup()->GetName() == '_Markup') {
$openMarkup[$this->GetResourceIdPrefix() . $layer->GetLegendLabel() . '.LayerDefinition'] = $layer->GetLegendLabel();
}
}
asort($openMarkup);
}
return $openMarkup;
}
function GetSelectionXML()
{
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$map = new MgMap();
$map->Open($resourceService, $this->args['MAPNAME']);
$markupLayer = $map->GetLayers()->GetItem('_' . $this->GetMarkupName());
$selection = new MgSelection($map);
$className = $markupLayer->GetFeatureClassName();
$ids = $this->args['MARKUPFEATURE'];
if (is_array($ids)) {
foreach ($ids as $id) {
$selection->AddFeatureIdInt32($markupLayer, $className, (int) $id);
}
} else {
$selection->AddFeatureIdInt32($markupLayer, $className, (int) $ids);
}
return $selection->ToXML();
}
function ApplyTheme()
{
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$featureService = $this->site->CreateService(MgServiceType::FeatureService);
$map = new MgMap();
$map->Open($resourceService, $this->args['MAPNAME']);
$layers = $map->GetLayers();
$layer = $layers->GetItem($this->args['LAYERNAME']);
$resId = new MgResourceIdentifier($layer->GetFeatureSourceId());
$layerDefResId = $layer->GetLayerDefinition();
$byteReader = $resourceService->GetResourceContent($layerDefResId);
// Load the Layer Definition and Navigate to the specified <VectorScaleRange>
$doc = DOMDocument::loadXML($byteReader->ToString());
$nodeList = $doc->getElementsByTagName('VectorScaleRange');
$vectorScaleRangecElement = $nodeList->item($this->args['SCALERANGEINDEX']);
$areaTypeStyle = $vectorScaleRangecElement->getElementsByTagName('AreaTypeStyle')->item(0);
// Remove any existing <AreaRule> elements.
$areaRuleList = $areaTypeStyle->getElementsByTagName('AreaRule');
$ruleCount = $areaRuleList->length;
for ($index = 0; $index < $ruleCount; $index++) {
$areaTypeStyle->removeChild($areaRuleList->item(0));
}
// Now create the new <AreaRule> elements.
$areaRuleTemplate = file_get_contents("templates/arearuletemplate.xml");
$aggregateOptions = new MgFeatureAggregateOptions();
$portion = 0.0;
$increment = $this->args['NUMRULES'] > 1 ? $increment = 1.0 / ($this->args['NUMRULES'] - 1) : 1.0;
if ($this->args['DISTRO'] == 'INDIV_DIST') {
$aggregateOptions->AddFeatureProperty($this->args['PROPERTYNAME']);
$aggregateOptions->SelectDistinct(true);
$dataReader = $featureService->SelectAggregate($resId, $layer->GetFeatureClassName(), $aggregateOptions);
while ($dataReader->ReadNext()) {
$value = $this->GetFeaturePropertyValue($dataReader, $this->args['PROPERTYNAME']);
$filterText = '"' . $this->args['PROPERTYNAME'] . '" = ';
if ($this->args['DATATYPE'] == MgPropertyType::String) {
$filterText .= "'" . $value . "'";
} else {
$filterText .= $value;
}
$areaRuleXML = sprintf($areaRuleTemplate, $this->args['PROPERTYNAME'] . ': ' . $value, $filterText, $this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']), $this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
$areaDoc = DOMDocument::loadXML($areaRuleXML);
$areaNode = $doc->importNode($areaDoc->documentElement, true);
$areaTypeStyle->appendChild($areaNode);
$portion += $increment;
}
$dataReader->Close();
} else {
$values = array();
$aggregateOptions->AddComputedProperty('THEME_VALUE', $this->args['DISTRO'] . '("' . $this->args['PROPERTYNAME'] . '",' . $this->args['NUMRULES'] . ',' . $this->args['MINVALUE'] . ',' . $this->args['MAXVALUE'] . ')');
$dataReader = $featureService->SelectAggregate($resId, $layer->GetFeatureClassName(), $aggregateOptions);
while ($dataReader->ReadNext()) {
$value = $this->GetFeaturePropertyValue($dataReader, 'THEME_VALUE');
array_push($values, $value);
}
$dataReader->Close();
for ($i = 0; $i < count($values) - 1; $i++) {
$filterText = '"' . $this->args['PROPERTYNAME'] . '" >= ' . $values[$i] . ' AND "' . $this->args['PROPERTYNAME'];
if ($i == count($values) - 1) {
$filterText .= '" <= ' . $values[$i + 1];
} else {
$filterText .= '" < ' . $values[$i + 1];
}
$areaRuleXML = sprintf($areaRuleTemplate, $this->args['PROPERTYNAME'] . ': ' . $values[$i] . ' - ' . $values[$i + 1], $filterText, $this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']), $this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
$areaDoc = DOMDocument::loadXML($areaRuleXML);
$areaNode = $doc->importNode($areaDoc->documentElement, true);
$areaTypeStyle->appendChild($areaNode);
$portion += $increment;
}
}
// Now save our new layer definition to the session and add it to the map.
$layerDefinition = $doc->saveXML();
$uniqueName = $this->MakeUniqueLayerName($map, $this->args['LAYERNAME'], $this->args['THEMENAME']);
$legendLabel = $layer->GetLegendLabel();
if (strlen(trim($this->args['THEMENAME'])) > 0) {
$legendLabel .= ' (' . $this->args['THEMENAME'] . ')';
}
$layerResId = new MgResourceIdentifier('Session:' . $this->args['SESSION'] . '//' . $uniqueName . '.LayerDefinition');
$byteSource = new MgByteSource($layerDefinition, strlen($layerDefinition));
$resourceService->SetResource($layerResId, $byteSource->GetReader(), null);
$newLayer = new MgLayer($layerResId, $resourceService);
$newLayer->SetName($uniqueName);
$newLayer->SetLegendLabel($legendLabel);
$newLayer->SetDisplayInLegend($layer->GetDisplayInLegend());
$newLayer->SetVisible(true);
$newLayer->SetSelectable($layer->GetLegendLabel());
$layers->Insert($layers->IndexOf($layer), $newLayer);
$map->Save($resourceService);
return $uniqueName;
}
$featureService->UpdateFeatures($bufferFeatureResId, $commands, false);
}
catch (MgObjectNotFoundException $e)
{
// When an MgObjectNotFoundException is thrown, the layer
// does not exist and must be created.
$bufferFeatureResId = new MgResourceIdentifier("Session:" . $sessionId . "//Buffer.FeatureSource");
CreateBufferFeatureSource($featureService, $mapWktSrs, $bufferFeatureResId);
$bufferLayer = CreateBufferLayer($resourceService, $bufferFeatureResId, $sessionId);
$map->GetLayers()->Insert(0, $bufferLayer);
}
*/
// New way, post MapGuide 2.0
$layerIndex = $map->GetLayers()->IndexOf('Buffer');
if ($layerIndex < 0) {
// The layer does not exist and must be created.
$bufferFeatureResId = new MgResourceIdentifier("Session:" . $sessionId . "//Buffer.FeatureSource");
CreateBufferFeatureSource($featureService, $mapWktSrs, $bufferFeatureResId);
$bufferLayer = CreateBufferLayer($resourceService, $bufferFeatureResId, $sessionId);
$map->GetLayers()->Insert(0, $bufferLayer);
} else {
$bufferLayer = $map->GetLayers()->GetItem($layerIndex);
$commands = new MgFeatureCommandCollection();
$commands->Add(new MgDeleteFeatures('BufferClass', "ID like '%'"));
$bufferLayer->UpdateFeatures($commands);
}
for ($i = 0; $i < $selectedLayers->GetCount(); $i++) {
// Only check selected features in the Parcels layer.
$layer = $selectedLayers->GetItem($i);
$fsvc->CreateFeatureSource($id, $params);
// We need to add some data to the sdf before using it. The spatial context
// reader must have an extent.
$cmdColl = new MgFeatureCommandCollection();
for ($i = 1; $i <= 20; $i++) {
$insert = $intFeature->InsertCommand($i);
$cmdColl->Add($insert);
}
echo "Updating features\n";
$fsvc->UpdateFeatures($id, $cmdColl, false);
$mapId = new MgResourceIdentifier("Library://TrevorWekel/NewSdf.MapDefinition");
$map = new MgMap();
$map->Create($rsvc, $mapId, "NewMap");
echo "Building Selection from Add()\n";
$sel = new MgSelection($map);
$slayer = $map->GetLayers()->GetItem(0);
$sel->AddFeatureIdInt32($slayer, "IntKey", 1);
$sel->AddFeatureIdInt32($slayer, "IntKey", 10);
$sel->AddFeatureIdInt32($slayer, "IntKey", 20);
echo "XML FeatureSet is\n" . $sel->ToXml() . "\n";
echo "\nString Filter: " . $sel->GenerateFilter($slayer, "StringKey") . "\n\n";
echo "Building Selection from XML\n";
$sel2 = new MgSelection($map, $sel->ToXml());
// Test basic methods
$layerColl = $sel2->GetLayers();
$newLayer = $layerColl->GetItem(0);
echo "First layer selected is " . $newLayer->GetName() . "\n";
echo "BadKey Filter: " . $sel2->GenerateFilter($slayer, "BadKey") . "\n";
$filter = $sel2->GenerateFilter($slayer, "IntKey");
echo "\nString Filter: " . $filter . "\n\n";
$query = new MgFeatureQueryOptions();
function GetSelectionXML()
{
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$map = new MgMap();
$map->Open($resourceService, $this->args['MAPNAME']);
$markupLayer = $map->GetLayers()->GetItem('_' . $this->GetMarkupName());
$selection = new MgSelection($map);
$selection->AddFeatureIdInt32($markupLayer, $markupLayer->GetFeatureClassName(), (int) $this->args['MARKUPFEATURE']);
return $selection->ToXML();
}
$args = $_SERVER['REQUEST_METHOD'] == "POST" ? $_POST : $_GET;
$sessionId = $args['SESSION'];
$mapName = $args['MAPNAME'];
try {
// Initialize the Web Extensions and connect to the Server using
// the Web Extensions session identifier stored in PHP session state.
MgInitializeWebTier($webconfigFilePath);
$userInfo = new MgUserInformation($sessionId);
$siteConnection = new MgSiteConnection();
$siteConnection->Open($userInfo);
$map = new MgMap($siteConnection);
$map->Open($mapName);
// Get the geometry for the boundaries of District 1
$districtQuery = new MgFeatureQueryOptions();
$districtQuery->SetFilter("Autogenerated_SDF_ID = 1");
$layer = $map->GetLayers()->GetItem('Districts');
$featureReader = $layer->SelectFeatures($districtQuery);
$featureReader->ReadNext();
$districtGeometryData = $featureReader->GetGeometry('Data');
// Convert the AGF binary data to MgGeometry.
$agfReaderWriter = new MgAgfReaderWriter();
$districtGeometry = $agfReaderWriter->Read($districtGeometryData);
// Create a filter to select the desired features. Combine
// a basic filter and a spatial filter.
$queryOptions = new MgFeatureQueryOptions();
$queryOptions->SetFilter("RNAME LIKE 'SCHMITT%'");
$queryOptions->SetSpatialFilter('SHPGEOM', $districtGeometry, MgFeatureSpatialOperations::Inside);
// Get the features from the feature source,
// turn it into a selection, then save the selection as XML.
$layer = $map->GetLayers()->GetItem('Parcels');
$featureReader = $layer->SelectFeatures($queryOptions);
require_once $fusionMGpath . 'Utilities.php';
require_once $fusionMGpath . 'JSON.php';
require_once 'classes/featureinfo.php';
$args = $_SERVER['REQUEST_METHOD'] == "POST" ? $_POST : $_GET;
try {
$responseType = 'text/plain';
$response = '';
$site = new MgSiteConnection();
$site->Open(new MgUserInformation($args['SESSION']));
$resourceService = $site->CreateService(MgServiceType::ResourceService);
$featureService = $site->CreateService(MgServiceType::FeatureService);
$layerName = $args['LAYERNAME'];
$mapName = $args['MAPNAME'];
$map = new MgMap($site);
$map->Open($mapName);
$layer = $map->GetLayers()->GetItem($layerName);
$className = $layer->GetFeatureClassName();
$selection = new MgSelection($map);
$selection->Open($resourceService, $mapName);
$properties = new stdClass();
if ($selection->Contains($layer, $className)) {
$featureReader = $selection->GetSelectedFeatures($layer, $className, new MgStringCollection());
/* Get the map SRS - we use this to convert distances */
$srsFactory = new MgCoordinateSystemFactory();
//safely get an SRS ... (in Utilities)
$srsDefMap = GetMapSRS($map);
$srsMap = $srsFactory->Create($srsDefMap);
$featureResId = new MgResourceIdentifier($layer->GetFeatureSourceId());
$spatialContext = $featureService->GetSpatialContexts($featureResId, true);
$srsLayerWkt = false;
if ($spatialContext != null && $spatialContext->ReadNext() != null) {
$featureService = $siteConnection->CreateService(MgServiceType::FeatureService);
// Converts a boolean to "yes" or "no"
// --from MG Web Tier API Reference
function BooleanToString($boolean)
{
if (is_bool($boolean)) {
return $boolean ? "true" : "false";
} else {
return "ERROR in BooleanToString.";
}
}
//Get a runtime map from a map definition
$map = new MgMap();
$map->Open($resourceService, $mapName);
//Get the layer
$layerCollection = $map->GetLayers();
try {
$layer = $layerCollection->GetItem($_REQUEST['layer']);
if ($layer == null) {
echo '<Error>Layer ' . $_REQUEST['layer'] . ' Not Found</Error>';
exit;
}
if (isset($_REQUEST['selectable'])) {
if (strcasecmp($_REQUEST['selectable'], 'true') == 0) {
$layer->SetSelectable(true);
} else {
$layer->SetSelectable(false);
}
$map->Save($resourceService);
}
//property mappings from the session
public function GetTileXYZ($resId, $groupName, $x, $y, $z, $type, $layerNames = NULL)
{
$fmt = $this->ValidateRepresentation($type, array("json", "png", "png8", "jpg", "gif"));
$path = self::GetTilePath($this->app, $resId, $groupName, $z, $x, $y, $type, $layerNames);
clearstatcache();
$dir = dirname($path);
$lockPath = "{$dir}/lock_" . $y . ".lck";
$attempts = 0;
while (!@is_dir($dir)) {
try {
mkdir($dir, 0777, true);
} catch (Exception $e) {
//Another tile request may have already created this since
$attempts++;
//Bail after MAX_RETRY_ATTEMPTS
if ($attempts >= self::MAX_RETRY_ATTEMPTS) {
$this->ServerError($this->app->localizer->getText("E_FAILED_TO_CREATE_DIR_AFTER_N_ATTEMPTS", $attempts), $this->GetMimeTypeForFormat($type));
}
}
}
//If there's a dangling lock file, attempt to remove it
if (file_exists($lockPath)) {
unlink($lockPath);
}
$fpLockFile = fopen($lockPath, "a+");
//Message of any exception caught will be set to this variable
$tileError = null;
$requestId = rand();
$this->app->log->debug("({$requestId}) Checking if {$path} exists");
$attempts = 0;
while (!file_exists($path)) {
//Bail after MAX_RETRY_ATTEMPTS
if ($attempts >= self::MAX_RETRY_ATTEMPTS) {
$this->ServerError($this->app->localizer->getText("E_FAILED_TO_GENERATE_TILE_AFTER_N_ATTEMPTS", $attempts), $this->GetMimeTypeForFormat($type));
}
$attempts++;
$this->app->log->debug("({$requestId}) {$path} does not exist. Locking for writing");
$bLocked = false;
flock($fpLockFile, LOCK_EX);
fwrite($fpLockFile, ".");
$bLocked = true;
$this->app->log->debug("({$requestId}) Acquired lock for {$path}. Checking if path exists again.");
//check once more to see if the cache file was created while waiting for
//the lock
clearstatcache();
if (!file_exists($path)) {
try {
$this->app->log->debug("({$requestId}) Rendering tile to {$path}");
$bOldPath = true;
if ($type != "json") {
//if this is MGOS 3.0 and we're dealing with a tile set, we invoke GETTILEIMAGE as that we can pass in Tile Set Definition
//resource ids without issues. We cannot create MgMaps from Tile Set Definitions that are not using the default tile provider.
//
//The given tile set is assumed to be using the XYZ provider, the case where the Tile Set Definition is using the default provider
//is not handled
if ($this->app->MG_VERSION[0] >= 3 && $resId->GetResourceType() == "TileSetDefinition") {
$bOldPath = false;
$sessionId = "";
if ($resId->GetRepositoryType() === MgRepositoryType::Session && $this->app->request->get("session") == null) {
$sessionId = $resId->GetRepositoryName();
}
$resIdStr = $resId->ToString();
$that = $this;
$this->EnsureAuthenticationForHttp(function ($req, $param) use($that, $resIdStr, $groupName, $x, $y, $z, $requestId, $path) {
$param->AddParameter("OPERATION", "GETTILEIMAGE");
$param->AddParameter("VERSION", "1.2.0");
$param->AddParameter("MAPDEFINITION", $resIdStr);
$param->AddParameter("BASEMAPLAYERGROUPNAME", $groupName);
$param->AddParameter("SCALEINDEX", $z);
$param->AddParameter("TILEROW", $x);
$param->AddParameter("TILECOL", $y);
$that->app->log->debug("({$requestId}) Executing GETTILEIMAGE");
$that->ExecuteHttpRequest($req, function ($result, $status) use($path) {
if ($status == 200) {
//Need to dump the rendered tile to the specified path so the caching stuff below can still do its thing
$resultObj = $result->GetResultObject();
$sink = new MgByteSink($resultObj);
$sink->ToFile($path);
}
});
}, true, "", $sessionId);
//Tile access can be anonymous, so allow for it if credentials/session specified, but if this is a session-based Map Definition, use the session id as the nominated one
}
}
//Pre MGOS 3.0 code path
if ($bOldPath) {
$this->app->log->debug("({$requestId}) Going down old code path");
$this->EnsureAuthenticationForSite("", true);
$siteConn = new MgSiteConnection();
$siteConn->Open($this->userInfo);
$map = new MgMap($siteConn);
$map->Create($resId, "VectorTileMap");
$renderSvc = $siteConn->CreateService(MgServiceType::RenderingService);
$groups = $map->GetLayerGroups();
$baseGroup = $groups->GetItem($groupName);
//Will throw MgObjectNotFoundException -> 404 if no such group exists
$factory = new MgCoordinateSystemFactory();
$mapCsWkt = $map->GetMapSRS();
$mapCs = $factory->Create($mapCsWkt);
$mapExtent = $map->GetMapExtent();
$mapExLL = $mapExtent->GetLowerLeftCoordinate();
$mapExUR = $mapExtent->GetUpperRightCoordinate();
$metersPerUnit = $mapCs->ConvertCoordinateSystemUnitsToMeters(1.0);
$this->app->log->debug("({$requestId}) Calc bounds from XYZ");
//XYZ to lat/lon math. From this we can convert to the bounds in the map's CS
//
//Source: http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
$n = pow(2, $z);
$lonMin = $x / $n * 360.0 - 180.0;
$latMin = rad2deg(atan(sinh(pi() * (1 - 2 * $y / $n))));
$lonMax = ($x + 1) / $n * 360.0 - 180.0;
$latMax = rad2deg(atan(sinh(pi() * (1 - 2 * ($y + 1) / $n))));
$boundsMinX = min($lonMin, $lonMax);
$boundsMinY = min($latMin, $latMax);
$boundsMaxX = max($lonMax, $lonMin);
$boundsMaxY = max($latMax, $latMin);
if ($mapCs->GetCsCode() != "LL84") {
$llCs = $factory->CreateFromCode("LL84");
$trans = $factory->GetTransform($llCs, $mapCs);
$ul = $trans->Transform($lonMin, $latMin);
$lr = $trans->Transform($lonMax, $latMax);
$boundsMinX = min($lr->GetX(), $ul->GetX());
$boundsMinY = min($lr->GetY(), $ul->GetY());
$boundsMaxX = max($lr->GetX(), $ul->GetX());
$boundsMaxY = max($lr->GetY(), $ul->GetY());
}
//Set all layers under group to be visible
$layers = $map->GetLayers();
$layerCount = $layers->GetCount();
$groupCount = $groups->GetCount();
//Turn all groups that are not the given group to be hidden
for ($i = 0; $i < $groupCount; $i++) {
$group = $groups->GetItem($i);
if ($group->GetName() != $groupName) {
$group->SetVisible(false);
} else {
$group->SetVisible(true);
}
}
for ($i = 0; $i < $layerCount; $i++) {
$layer = $layers->GetItem($i);
$group = $layer->GetGroup();
if (null == $group) {
continue;
}
if ($group->GetName() != $groupName && $layer->GetLayerType() == MgLayerType::Dynamic) {
$layer->SetVisible(false);
continue;
}
if ($layer->GetLayerType() == MgLayerType::Dynamic) {
$layer->SetVisible(true);
}
}
if ($type == "json") {
//error_log("($requestId) Render vector tile");
$this->PutVectorTileXYZ($map, $groupName, $siteConn, $metersPerUnit, $factory, $path, $boundsMinX, $boundsMinY, $boundsMaxX, $boundsMaxY, $layerNames);
} else {
$format = strtoupper($type);
//error_log("($requestId) Render image tile");
$this->PutTileImageXYZ($map, $groupName, $renderSvc, $path, $format, $boundsMinX, $boundsMinY, $boundsMaxX, $boundsMaxY, $layerNames, $requestId);
}
}
} catch (MgException $ex) {
if ($bLocked) {
$this->app->log->debug("({$requestId}) MgException caught " . $ex->GetDetails() . "\n" . $ex->getTraceAsString() . "\n. Releasing lock for {$path}");
$tileError = $ex->GetExceptionMessage();
flock($fpLockFile, LOCK_UN);
$bLocked = false;
}
if ($ex instanceof MgResourceNotFoundException || $ex instanceof MgObjectNotFoundException) {
$this->NotFound($ex->GetExceptionMessage(), $this->GetMimeTypeForFormat($fmt));
} else {
if ($ex instanceof MgConnectionFailedException) {
$this->ServiceUnavailable($ex->GetExceptionMessage(), $this->GetMimeTypeForFormat($fmt));
}
}
} catch (Exception $ex) {
if ($bLocked) {
$tileError = get_class($ex) . " - " . $ex->getMessage();
$this->app->log->debug("({$requestId}) Exception caught ({$tileError}). Releasing lock for {$path}");
flock($fpLockFile, LOCK_UN);
$bLocked = false;
}
}
}
if ($bLocked) {
$this->app->log->debug("({$requestId}) Releasing lock for {$path}");
flock($fpLockFile, LOCK_UN);
$bLocked = false;
}
}
//An exception occurred, try to clean up lock before bailing
if ($tileError != null) {
try {
fclose($fpLockFile);
unlink($lockPath);
} catch (Exception $ex) {
$this->app->log->debug("({$requestId}) Failed to delete lock file. Perhaps another concurrent request to the same tile is happening?");
}
throw new Exception($tileError);
}
$modTime = filemtime($path);
$this->app->lastModified($modTime);
$this->app->log->debug("({$requestId}) Acquiring shared lock for {$path}");
//acquire shared lock for reading to prevent a problem that could occur
//if a tile exists but is only partially generated.
flock($fpLockFile, LOCK_SH);
$this->app->log->debug("({$requestId}) Outputting {$path}");
$ext = strtoupper(pathinfo($path, PATHINFO_EXTENSION));
$mimeType = "";
switch ($ext) {
case "PNG":
//MgImageFormats::Png:
$mimeType = MgMimeType::Png;
break;
case "GIF":
//MgImageFormats::Gif:
$mimeType = MgMimeType::Gif;
break;
case "JPG":
//MgImageFormats::Jpeg:
$mimeType = MgMimeType::Jpeg;
break;
case "JSON":
$mimeType = MgMimeType::Json;
break;
}
$this->app->response->header("Content-Type", $mimeType);
$this->app->expires("+6 months");
$this->app->response->header("Cache-Control", "max-age=31536000, must-revalidate");
$this->app->response->setBody(file_get_contents($path));
$this->app->log->debug("({$requestId}) Releasing shared lock for {$path}");
//Release lock
flock($fpLockFile, LOCK_UN);
//Try to delete the lock file
try {
fclose($fpLockFile);
unlink($lockPath);
} catch (Exception $ex) {
$this->app->log->debug("({$requestId}) Failed to delete lock file. Perhaps another concurrent request to the same tile is happening?");
}
}
public function UpdateMapLayersAndGroups($sessionId, $mapName, $format)
{
//Check for unsupported representations
$fmt = $this->ValidateRepresentation($format, array("xml", "json"));
try {
$this->EnsureAuthenticationForSite($sessionId);
$siteConn = new MgSiteConnection();
$siteConn->Open($this->userInfo);
$resSvc = $siteConn->CreateService(MgServiceType::ResourceService);
$map = new MgMap($siteConn);
$map->Open($mapName);
if ($fmt == "json") {
$body = $this->app->request->getBody();
$json = json_decode($body);
if ($json == NULL) {
throw new Exception($this->app->localizer->getText("E_MALFORMED_JSON_BODY"));
}
} else {
$body = $this->app->request->getBody();
$jsonStr = MgUtils::Xml2Json($body);
$json = json_decode($jsonStr);
}
if (!isset($json->UpdateMap)) {
throw new Exception($this->app->localizer->getText("E_MALFORMED_JSON_BODY"));
}
/*
Expected structure
/UpdateMap
/Operation [1...n]
/Type - [AddLayer|UpdateLayer|RemoveLayer|AddGroup|UpdateGroup|RemoveGroup]
/Name
/ResourceId
/SetLegendLabel
/SetDisplayInLegend
/SetExpandInLegend
/SetVisible
/SetSelectable
/InsertAt
*/
$layers = $map->GetLayers();
$groups = $map->GetLayerGroups();
$um = $json->UpdateMap;
$updateStats = new stdClass();
$updateStats->AddedLayers = 0;
$updateStats->UpdatedLayers = 0;
$updateStats->RemovedLayers = 0;
$updateStats->AddedGroups = 0;
$updateStats->UpdatedGroups = 0;
$updateStats->RemovedGroups = 0;
$this->app->log->debug("Operations found: " . count($um->Operation));
for ($i = 0; $i < count($um->Operation); $i++) {
$op = $um->Operation[$i];
switch ($op->Type) {
case "AddLayer":
$resId = new MgResourceIdentifier($op->ResourceId);
$layer = new MgLayer($resId, $resSvc);
$layer->SetName($op->Name);
self::ApplyCommonLayerProperties($layer, $op, $groups);
if (isset($op->InsertAt)) {
$layers->Insert(intval($op->InsertAt), $layer);
} else {
$layers->Add($layer);
}
$this->app->log->debug("Add Layer: " . $op->Name);
$updateStats->AddedLayers++;
break;
case "UpdateLayer":
$layer = $layers->GetItem($op->Name);
if (self::ApplyCommonLayerProperties($layer, $op, $groups)) {
$this->app->log->debug("Updated Layer: " . $op->Name);
$updateStats->UpdatedLayers++;
}
break;
case "RemoveLayer":
$layer = $layers->GetItem($op->Name);
if ($layers->Remove($layer)) {
$this->app->log->debug("Removed Layer: " . $op->Name);
$updateStats->RemovedLayers++;
}
break;
case "AddGroup":
$group = new MgLayerGroup($op->Name);
self::ApplyCommonGroupProperties($group, $op, $groups);
if (isset($op->InsertAt)) {
$groups->Insert(intval($op->InsertAt), $group);
} else {
$groups->Add($group);
}
$this->app->log->debug("Add Group: " . $op->Name);
$updateStats->AddedGroups++;
break;
case "UpdateGroup":
$gidx = $groups->IndexOf($op->Name);
if ($gidx < 0) {
if ($op->AddIfNotExists) {
$group = new MgLayerGroup($op->Name);
self::ApplyCommonGroupProperties($group, $op, $groups);
if (isset($op->InsertAt)) {
$groups->Insert(intval($op->InsertAt), $group);
} else {
$groups->Add($group);
}
$this->app->log->debug("Add Group: " . $op->Name);
$updateStats->AddedGroups++;
} else {
throw new Exception($this->app->localizer->getText("E_GROUP_NOT_FOUND", $op->Name));
}
} else {
$group = $groups->GetItem($gidx);
if (self::ApplyCommonGroupProperties($group, $op, $groups)) {
$this->app->log->debug("Updated Group: " . $op->Name);
$updateStats->UpdatedGroups++;
}
}
break;
case "RemoveGroup":
$group = $groups->GetItem($op->Name);
if ($groups->Remove($group)) {
$this->app->log->debug("Removed Group: " . $op->Name);
$updateStats->RemovedGroups++;
}
break;
}
}
if ($updateStats->AddedLayers > 0 || $updateStats->UpdatedLayers > 0 || $updateStats->RemovedLayers > 0 || $updateStats->AddedGroups > 0 || $updateStats->UpdatedGroups > 0 || $updateStats->RemovedGroups > 0) {
$map->Save();
}
$response = "<UpdateMapResult>";
$response .= "<AddedLayers>";
$response .= $updateStats->AddedLayers;
$response .= "</AddedLayers>";
$response .= "<UpdatedLayers>";
$response .= $updateStats->UpdatedLayers;
$response .= "</UpdatedLayers>";
$response .= "<RemovedLayers>";
$response .= $updateStats->RemovedLayers;
$response .= "</RemovedLayers>";
$response .= "<AddedGroups>";
$response .= $updateStats->AddedGroups;
$response .= "</AddedGroups>";
$response .= "<UpdatedGroups>";
$response .= $updateStats->UpdatedGroups;
$response .= "</UpdatedGroups>";
$response .= "<RemovedGroups>";
$response .= $updateStats->RemovedGroups;
$response .= "</RemovedGroups>";
$response .= "</UpdateMapResult>";
$bs = new MgByteSource($response, strlen($response));
$bs->SetMimeType(MgMimeType::Xml);
$br = $bs->GetReader();
if ($format == "json") {
$this->OutputXmlByteReaderAsJson($br);
} else {
$this->OutputByteReader($br);
}
} catch (MgException $ex) {
$this->OnException($ex, $this->GetMimeTypeForFormat($format));
}
}
function ApplyTheme()
{
$resourceService = $this->site->CreateService(MgServiceType::ResourceService);
$featureService = $this->site->CreateService(MgServiceType::FeatureService);
$map = new MgMap($this->site);
$map->Open($this->args['MAPNAME']);
$layers = $map->GetLayers();
$layer = $layers->GetItem($this->args['LAYERNAME']);
$resId = new MgResourceIdentifier($layer->GetFeatureSourceId());
$layerDefResId = $layer->GetLayerDefinition();
$byteReader = $resourceService->GetResourceContent($layerDefResId);
$filter = $layer->GetFilter();
// Load the Layer Definition and Navigate to the specified <VectorScaleRange>
$doc = new DOMDocument();
$doc->loadXML($byteReader->ToString());
$version = $doc->documentElement->getAttribute('version');
$template = 'templates/arearuletemplate-'.$version.'.xml';
$layerDefList = $doc->getElementsByTagName('VectorLayerDefinition');
$layerDef = $layerDefList->item(0);
$nodeList = $layerDef->getElementsByTagName('VectorScaleRange');
$vectorScaleRangecElement = $nodeList->item($this->args['SCALERANGEINDEX']);
$listLength = $nodeList->length;
for($index = 0; $index < $listLength; $index++)
{
$layerDef->removeChild($nodeList->item(0));
}
$layerDef->appendChild($vectorScaleRangecElement);
$areaTypeStyle = $vectorScaleRangecElement->getElementsByTagName('AreaTypeStyle')->item(0);
// Remove any existing <AreaRule> elements.
if($areaTypeStyle != null)
{
$areaRuleList = $areaTypeStyle->getElementsByTagName('AreaRule');
$ruleCount = $areaRuleList->length;
for($index = 0; $index < $ruleCount; $index++)
{
$areaTypeStyle->removeChild($areaRuleList->item(0));
}
$hasChild = $areaTypeStyle->hasChildNodes();
if($hasChild)
{
$element = $areaTypeStyle->childNodes->item(0);
}
}
$CompositeTypeStyles = $vectorScaleRangecElement->getElementsByTagName('CompositeTypeStyle');
$isEnhancedStyle = ($CompositeTypeStyles->length != 0);
// Remove any existing <CompositeTypeStyle> elements with Polygon <GeometryContext>.
if($isEnhancedStyle)
{
$template = 'templates/arearuletemplate-'.$version.'-Enhanced.xml';
$styleCount = $CompositeTypeStyles->length;
for($index = 0; $index < $styleCount; $index++)
{
$CompositeTypeStyle = $CompositeTypeStyles->item($index);
$GeometryContexts = $CompositeTypeStyle->getElementsByTagName('GeometryContext');
$contextCount = $GeometryContexts->length;
for($i = 0; $i < $contextCount; $i++)
{
$GeometryContext = $GeometryContexts->item($i);
if($GeometryContext->nodeValue == 'Polygon')
{
$vectorScaleRangecElement->removeChild($CompositeTypeStyle);
$index--;
$styleCount--;
break;
}
}
}
}
// Now create the new <AreaRule> or <CompositeTypeStyle> elements.
$areaRuleTemplate = file_get_contents($template);
$aggregateOptions = new MgFeatureAggregateOptions();
$portion = 0.0;
$increment = ($this->args['NUMRULES'] > 1) ? $increment = 1.0 / ($this->args['NUMRULES'] - 1) : 1.0;
if ($this->args['DISTRO'] == 'INDIV_DIST')
{
$values = array();
$aggregateOptions->AddComputedProperty('THEME_VALUE', 'UNIQUE("' . $this->args['PROPERTYNAME'] . '")');
if($filter != '')
$aggregateOptions->SetFilter($filter);
$dataReader = $layer->SelectAggregate($aggregateOptions);
while ($dataReader->ReadNext())
{
$value = $this->GetFeaturePropertyValue($dataReader, 'THEME_VALUE');
array_push($values, $value);
}
$dataReader->Close();
if ($this->args['DATATYPE'] == MgPropertyType::String)
sort($values, SORT_STRING);
else
sort($values, SORT_NUMERIC);
for ($i = 0; $i < count($values); $i++)
{
$filterText = '"' . $this->args['PROPERTYNAME'] . '" = ';
if ($this->args['DATATYPE'] == MgPropertyType::String)
$filterText .= "'" . $values[$i] . "'";
else
$filterText .= $values[$i];
$areaRuleXML = sprintf($areaRuleTemplate,
$this->args['PROPERTYNAME'] . ': ' . $values[$i],
$filterText,
$this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']),
$this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
$areaDoc = new DOMDocument();
$areaDoc->loadXML($areaRuleXML);
$areaNode = $doc->importNode($areaDoc->documentElement, true);
if($areaTypeStyle != null)
{
if($hasChild)
{
$areaTypeStyle->insertBefore($areaNode, $element);
}
else
{
$areaTypeStyle->appendChild($areaNode);
}
}
if($isEnhancedStyle)
{
$compositeTypeStyle = $doc->createElement('CompositeTypeStyle');
$compositeTypeStyle->appendChild($areaNode);
$vectorScaleRangecElement->appendChild($compositeTypeStyle);
}
$portion += $increment;
}
}
else
{
$values = array();
$aggregateOptions->AddComputedProperty('THEME_VALUE',
$this->args['DISTRO'] . '("' . $this->args['PROPERTYNAME'] . '",' . $this->args['NUMRULES'] . ',' . $this->args['MINVALUE'] . ',' . $this->args['MAXVALUE'] . ')');
if($filter != '')
$aggregateOptions->SetFilter($filter);
$dataReader = $layer->SelectAggregate($aggregateOptions);
while ($dataReader->ReadNext())
{
$value = $this->GetFeaturePropertyValue($dataReader, 'THEME_VALUE');
array_push($values, $value);
}
$dataReader->Close();
for ($i = 0; $i < count($values) - 1; $i++)
{
$filterText = '"' . $this->args['PROPERTYNAME'] . '" >= ' . $values[$i] . ' AND "' . $this->args['PROPERTYNAME'];
if ($i == count($values) - 2)
$filterText .= '" <= ' . $values[$i + 1];
else
$filterText .= '" < ' . $values[$i + 1];
$areaRuleXML = sprintf($areaRuleTemplate,
$this->args['PROPERTYNAME'] . ': ' . $values[$i] . ' - ' . $values[$i + 1],
$filterText,
$this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']),
$this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
$areaDoc = new DOMDocument();
$areaDoc->loadXML($areaRuleXML);
$areaNode = $doc->importNode($areaDoc->documentElement, true);
if($areaTypeStyle != null)
{
if($hasChild)
{
$areaTypeStyle->insertBefore($areaNode, $element);
}
else
{
$areaTypeStyle->appendChild($areaNode);
}
}
if($isEnhancedStyle)
{
$compositeTypeStyle = $doc->createElement('CompositeTypeStyle');
$compositeTypeStyle->appendChild($areaNode);
$vectorScaleRangecElement->appendChild($compositeTypeStyle);
}
$portion += $increment;
}
}
// Now save our new layer definition to the session and add it to the map.
$layerDefinition = $doc->saveXML();
$uniqueName = $this->MakeUniqueLayerName($map, $this->args['LAYERNAME'], $this->args['THEMENAME']);
$legendLabel = $layer->GetLegendLabel();
if (strlen(trim($this->args['THEMENAME'])) > 0 )
$legendLabel .= ' (' . $this->args['THEMENAME'] . ')';
$layerResId = new MgResourceIdentifier('Session:' . $this->args['SESSION'] . '//' . $uniqueName . '.LayerDefinition');
$byteSource = new MgByteSource($layerDefinition, strlen($layerDefinition));
$resourceService->SetResource($layerResId, $byteSource->GetReader(), null);
$newLayer = new MgLayer($layerResId, $resourceService);
$newLayer->SetName($uniqueName);
$newLayer->SetLegendLabel($legendLabel);
$newLayer->SetDisplayInLegend($layer->GetDisplayInLegend());
$newLayer->SetVisible(true);
$newLayer->SetSelectable($layer->GetLegendLabel());
$layers->Insert($layers->IndexOf($layer), $newLayer);
$map->Save();
return $uniqueName;
}
