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 $openMarkup; }
public function GetTileXYZ($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?"); } }
echo $oMax->GetY() . "],"; $layers = $map->GetLayers(); echo "layers:["; $layerSep = ''; for ($i = 0; $i < $layers->GetCount(); $i++) { $layer = $layers->GetItem($i); //only output layers that are part of the 'Normal Group' and //not the base map group used for tile maps. echo $layerSep . '{'; OutputLayerInfo($layer, $resourceService, $featureService); echo '}'; $layerSep = ','; } echo "],"; //Get layer groups as xml $groups = $map->GetLayerGroups(); echo "groups:["; $groupSep = ''; for ($i = 0; $i < $groups->GetCount(); $i++) { $group = $groups->GetItem($i); echo $groupSep . '{'; OutputGroupInfo($group); echo '}'; $groupSep = ','; } echo "],"; //FiniteDisplayScales for tiled maps echo "FiniteDisplayScales:["; for ($i = 0; $i < $map->GetFiniteDisplayScaleCount(); $i++) { if ($i > 0) { echo ",";
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)); } }