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<?php |
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set_time_limit( 120 ); |
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$szLanguageResource = str_replace("\\","/",dirname(__FILE__))."/ExtractWFSData.dbf"; |
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include( dirname(__FILE__)."/../LayerAttributes.php" ); |
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36 |
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if ( !defined("LOAD_MAPSESSION") ) |
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define("LOAD_MAPSESSION", 1); |
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include_once("../session.inc.php"); |
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include_once("../CWC2ButtonCache.php"); |
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include( COMMON."/ogr/ogr2ogr.php" ); |
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$szOGRModuleName = ''; |
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$bModuleFound = checkOGRModule( $szOGRModuleName ); |
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$_FORM = array_merge( $_GET, $_POST ); |
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$nCount = 0; |
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$nSelectedLayer = ''; |
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$szSelectedLayerName = ""; |
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$szErrorNotice = ""; |
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$szWFSConnection = ""; |
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$szLayerType = ""; |
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$bSkipGetFeature = false; |
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$bClearFilter = false; |
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$nLayerCount = $oMapSession->oMap->numlayers; |
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$szSpacialFilter = ''; |
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$szExistingWFSFilter = ''; |
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$szROIExists = ''; |
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for ( $i=0; $i<$nLayerCount; $i++ ) |
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{ |
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$bSelected = false; |
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$oLayer = $oMapSession->oMap->getLayer( $i ); |
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if ( isset( $_FORM["selectedlayers"] ) && |
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strlen( $_FORM["selectedlayers"] ) > 0 ) |
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{ |
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$aszLayers = explode( ",", $_FORM["selectedlayers"] ); |
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for( $j=0; $j<count( $aszLayers ); $j++ ) |
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{ |
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$aszLayers[$j] = trim( $aszLayers[$j] ); |
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if ($aszLayers[$j] == $oLayer->name || |
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$aszLayers[$j] == $oLayer->getMetadata( "WMS_NAME" ) || |
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$aszLayers[$j] == $oLayer->getMetadata( "WMS_TITLE" )) |
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{ |
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$bSelected = true; |
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} |
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} |
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} |
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else |
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{ |
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$bSelected = $oLayer->getmetadata("selected") == 1; |
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} |
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if ( $bSelected ) |
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{ |
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if ( strlen( $nSelectedLayer ) <= 0 ) |
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{ |
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$szSelectedLayerName = $oLayer->name; |
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if( $oLayer->connectiontype == MS_WFS ) |
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{ |
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$nSelectedLayer = $i; |
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$szWFSConnection = $oLayer->connection; |
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$szLayerType = "WFS"; |
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} |
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elseif( $oLayer->connectiontype == MS_WMS ) |
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{ |
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$nSelectedLayer = $i; |
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$szLayerType = "WMS"; |
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$szSelectedLayerName = $oLayer->getMetadata( "WMS_NAME" ); |
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if ( strlen( $szSelectedLayerName ) <= 0 ) |
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{ |
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$szSelectedLayerName = $oLayer->name; |
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} |
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if ( isset( $_FORM["txtExtract"] ) && $_FORM["txtExtract"] == 1 ) |
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{ |
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$szWMSConnection = trim( $oLayer->connection ); |
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$szUpperCase = strtoupper( $szWMSConnection ); |
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if ( substr( $szWMSConnection, -1 ) != "?" && |
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substr( $szWMSConnection, -1 ) != "&" ) |
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{ |
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if ( strpos( $szWMSConnection, "?" ) === false ) |
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{ |
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$szWMSConnection .= "?"; |
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} |
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else |
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$szWMSConnection .= "&"; |
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} |
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if ( strpos( $szUpperCase, "VERSION=" ) === false ) |
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$szWMSConnection .= "VERSION=1.1.0&"; |
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if ( strpos( $szUpperCase, "SERVICE=" ) === false ) |
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$szWMSConnection .= "SERVICE=WMS&"; |
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if ( strpos( $szUpperCase, "LAYERS=" ) === false ) |
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$szWMSConnection .= "LAYERS=".$szSelectedLayerName."&"; |
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$szWMSConnection .= "REQUEST=DESCRIBELAYER"; |
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if ( !$aszWFSConnection = getWFSResource( $szWMSConnection ) ) |
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{ |
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$szErrorNotice .= $oMLT->get("12", "WMS `DescribeLayer` request failed. ". |
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"The server returned the following: %1\$s", |
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array() ); |
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} |
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else |
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{ |
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$szWFSConnection = $aszWFSConnection['wfs']; |
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} |
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} |
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} |
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$nCount++; |
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} |
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} |
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} |
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if ( strlen( $nSelectedLayer ) > 0 ) |
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{ |
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$oLayer = $oMapSession->oMap->getLayer( $nSelectedLayer ); |
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$szSpacialFilter = buildSpacialFilterString( $oMapSession->oMap, $oLayer ); |
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$szExistingWFSFilter = trim( $oLayer->getmetadata( "wfs_filter" ) ); |
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if ( strlen( $szExistingWFSFilter ) > 0 ) |
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{ |
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$szTmpFilter = strtolower( $szExistingWFSFilter ); |
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if ( strpos( $szTmpFilter, '<bbox' ) !== false || |
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strpos( $szTmpFilter, '<dwithin' ) !== false || |
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strpos( $szTmpFilter, '<intersect' ) !== false ) |
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{ |
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$szSpacialFilter = $szExistingWFSFilter; |
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$szROIExists = '<br><br>'.$oMLT->get('19', |
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'Note:<br>This layer has a WFS '. |
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'filter set that contains spatial attributes which may or '. |
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'may not match the current ROI/extent. These spatial '. |
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'attributes will be used instead of the current ROI/extent '. |
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'for this data extraction.' ); |
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} |
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else |
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{ |
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$szSpacialFilter = "<AND>".$szSpacialFilter. |
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$szExistingWFSFilter."</AND>"; |
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} |
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} |
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else |
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{ |
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$bClearFilter = true; |
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} |
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} |
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if ( isset( $_FORM["txtExtract"] ) && $_FORM["txtExtract"] == 1 ) |
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{ |
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if ( strlen( trim( $szWFSConnection ) ) > 0 ) |
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{ |
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$szDownloadPath = cleanPath( $_SESSION["gszTmpImgPath"] ); |
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$szDownloadUrl = cleanPath( $_SESSION["gszTmpWebPath"] ); |
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$szUniqid = md5( uniqid( rand(), true ) ); |
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if ( !is_dir( $szDownloadPath.$szUniqid."/" ) ) |
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@mkdir( $szDownloadPath.$szUniqid."/", 0777 ); |
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if ( !is_dir( $szDownloadPath.$szUniqid."/" ) ) |
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{ |
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$bSkipExtract = true; |
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$szErrorNotice .= $oMLT->get("17", |
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"Failed to create temp download directory." ); |
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} |
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else |
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{ |
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$bSkipExtract = false; |
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$szDownloadPath .= $szUniqid."/"; |
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$szDownloadUrl .= $szUniqid."/"; |
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} |
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if ( isset( $_FORM["txtDLFilename"] ) && |
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strlen( trim( $_FORM["txtDLFilename"] ) ) > 0 ) |
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$szFile = $_FORM["txtDLFilename"]; |
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else |
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$szFile = $szUniqid; |
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if ( $szLayerType == "WFS" && !$bSkipExtract ) |
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{ |
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$oLayer = $oMapSession->oMap->getLayer( $nSelectedLayer ); |
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$oLayer->setmetadata( "wfs_filter", $szSpacialFilter ); |
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if ( !$bSkipGetFeature ) |
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{ |
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$szTmpGML = $oLayer->executeWFSGetfeature(); |
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if ( $bClearFilter ) |
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{ |
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$oLayer->removeMetaData( "wfs_filter" ); |
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} |
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else |
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{ |
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307 |
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$oLayer->setmetadata( "wfs_filter", $szExistingWFSFilter ); |
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} |
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if ( strlen( trim( $szTmpGML ) ) > 0 ) |
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{ |
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314 |
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$szGMLSuccess = "NOERROR"; |
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316 |
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317 |
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$szExt = ".gml"; |
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320 |
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if ( !copy( $szTmpGML, $szDownloadPath.$szFile.$szExt ) ) |
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$szGMLSuccess .= $oMLT->get("13", "An error occurred ". |
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"copying the temp gml file. Please check permissions ". |
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"on your temp folder." ); |
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326 |
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if ( file_exists( $szTmpGML ) ) unlink( $szTmpGML ); |
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} |
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else |
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{ |
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331 |
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$szGMLSuccess = $oMLT->get("14", "An error occurred getting ". |
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"WFS features for this layer." ); |
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} |
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} |
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} |
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elseif ( !$bSkipExtract ) |
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338 |
{ |
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339 |
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340 |
if ( substr( $szWFSConnection, -1 ) != "?" && |
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substr( $szWFSConnection, -1 ) != "&" ) |
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{ |
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343 |
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344 |
if ( strpos( $szWFSConnection, "?" ) === false ) |
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345 |
{ |
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$szWFSConnection .= "?"; |
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} |
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else |
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$szWFSConnection .= "&"; |
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} |
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$szUpperCase = strtoupper( $szWFSConnection ); |
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355 |
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if ( strpos( $szUpperCase, "SERVICE=" ) === false ) |
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$szWFSConnection .= "SERVICE=WFS&"; |
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359 |
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if ( strpos( $szUpperCase, "VERSION=" ) === false ) |
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$szWFSConnection .= "VERSION=1.0.0&"; |
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if ( strpos( $szUpperCase, "TYPENAME=" ) === false ) |
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{ |
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366 |
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367 |
if ( isset( $aszWFSConnection['typename'] ) ) |
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368 |
{ |
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369 |
$szTypeName = ''; |
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foreach( $aszWFSConnection['typename'] as $szCurrentTypeName ) |
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371 |
{ |
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372 |
$szTypeName .= $szCurrentTypeName.','; |
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} |
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374 |
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375 |
if ( substr( $szTypeName, -1, 1 ) == ',' ) |
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376 |
{ |
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377 |
$szTypeName = substr( $szTypeName, 0, -1 ); |
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378 |
} |
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379 |
} |
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else |
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{ |
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382 |
$szTypeName = $szSelectedLayerName; |
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} |
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384 |
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$szWFSConnection .= "TYPENAME=".$szTypeName."&"; |
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} |
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388 |
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$szExt = ".gml"; |
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$szTmpFile = getGML( $szWFSConnection. |
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"request=getfeature&filter=<Filter>". |
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392 |
urlencode( $szSpacialFilter ).'</Filter>' ); |
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393 |
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394 |
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if ( file_exists( $szTmpFile ) ) |
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{ |
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397 |
copy( $szTmpFile, $szDownloadPath.$szFile.$szExt ); |
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398 |
$szGMLSuccess = 'NOERROR'; |
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399 |
} |
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400 |
else |
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401 |
{ |
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402 |
$szGMLSuccess = 'Errors'; |
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403 |
} |
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404 |
} |
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405 |
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406 |
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407 |
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408 |
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409 |
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410 |
if ( $szGMLSuccess == "NOERROR" && !$bSkipGetFeature ) |
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411 |
{ |
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412 |
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413 |
if ( isset( $_FORM["selOutputType"] ) && |
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414 |
strtoupper($_FORM["selOutputType"]) == "SHAPE" ) |
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415 |
{ |
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416 |
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417 |
if ( !ogr2ogr( $szDownloadPath.$szFile.$szExt, $szDownloadPath. |
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418 |
$szFile.".shp","ESRI Shapefile" ) ) |
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419 |
{ |
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420 |
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421 |
$szErrorNotice .= $oMLT->get("11", "Unable to create Shape ". |
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422 |
"file. It is most likely that no features were found for ". |
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423 |
"this layer in the current region." ); |
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424 |
|
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425 |
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426 |
$szDownloadUrl = ""; |
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427 |
} |
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428 |
else |
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429 |
{ |
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430 |
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431 |
$aSzFiles = array($szDownloadPath.$szFile.".shp", |
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432 |
$szDownloadPath.$szFile.".shx", |
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433 |
$szDownloadPath.$szFile.".dbf" ); |
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434 |
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435 |
if ( isset( $_FORM["selCompressType"] ) && |
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436 |
strtoupper($_FORM["selCompressType"]) == "TGZ" ) |
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437 |
{ |
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438 |
|
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439 |
if ( !tar( $aSzFiles, $szDownloadPath.$szFile.".tar" ) ) |
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440 |
$szErrorNotice .= $oMLT->get("10", "Could not create archive" ); |
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441 |
else |
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442 |
{ |
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443 |
|
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444 |
if ( file_exists( $szDownloadPath.$szFile.".shp" ) ) |
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445 |
unlink( $szDownloadPath.$szFile.".shp" ); |
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446 |
if ( file_exists( $szDownloadPath.$szFile.".shx" ) ) |
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447 |
unlink( $szDownloadPath.$szFile.".shx" ); |
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448 |
if ( file_exists( $szDownloadPath.$szFile.".dbf" ) ) |
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449 |
unlink( $szDownloadPath.$szFile.".dbf" ); |
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450 |
} |
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451 |
|
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452 |
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453 |
$szExt = ".tar.gz"; |
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454 |
|
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455 |
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456 |
gZip( $szDownloadPath.$szFile.".tar", $szDownloadPath.$szFile.$szExt ); |
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457 |
|
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458 |
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459 |
if ( file_exists( $szDownloadPath.$szFile.".tar" ) ) |
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460 |
unlink( $szDownloadPath.$szFile.".tar" ); |
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461 |
|
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462 |
} |
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463 |
else if ( isset( $_FORM["selCompressType"] ) && |
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464 |
strtoupper($_FORM["selCompressType"]) == "ZIP" ) |
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465 |
{ |
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466 |
|
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467 |
$szExt = ".zip"; |
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468 |
zip( $aSzFiles, $szDownloadPath.$szFile.$szExt ); |
---|
469 |
} |
---|
470 |
} |
---|
471 |
} |
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472 |
else |
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473 |
{ |
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474 |
$aSzFiles = array( $szTmpFile ); |
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475 |
if ( isset( $_FORM["selCompressType"] ) && |
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476 |
strtoupper($_FORM["selCompressType"]) == "TGZ" ) |
---|
477 |
{ |
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478 |
if ( !tar( $aSzFiles, $szDownloadPath.$szFile.".tar" ) ) |
---|
479 |
$szErrorNotice .= $oMLT->get("10", "Could not create archive" ); |
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480 |
$szExt = ".tar.gz"; |
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481 |
|
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482 |
gZip( $szDownloadPath.$szFile.".tar", $szDownloadPath.$szFile.$szExt ); |
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483 |
|
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484 |
if ( file_exists( $szDownloadPath.$szFile.".tar" ) ) |
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485 |
unlink( $szDownloadPath.$szFile.".tar" ); |
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486 |
} |
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487 |
else if ( isset( $_FORM["selCompressType"] ) && |
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488 |
strtoupper($_FORM["selCompressType"]) == "ZIP" ) |
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489 |
{ |
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490 |
$szExt = ".zip"; |
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491 |
zip( $aSzFiles, $szDownloadPath.$szFile.$szExt ); |
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492 |
} |
---|
493 |
} |
---|
494 |
} |
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495 |
else |
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496 |
{ |
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497 |
|
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498 |
$szGMLError = $szGMLSuccess; |
---|
499 |
|
---|
500 |
|
---|
501 |
$szDownloadUrl = ""; |
---|
502 |
} |
---|
503 |
} |
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504 |
else |
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505 |
{ |
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506 |
|
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507 |
$szErrorNotice .= $oMLT->get("4", "Invalid layer or none selected. ". |
---|
508 |
"Please ensure that the selected layer is a WFS or WMS layer." ); |
---|
509 |
} |
---|
510 |
} |
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511 |
|
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512 |
|
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513 |
|
---|
514 |
|
---|
515 |
if ( isset( $_FORM["txtDLFilename"] ) && |
---|
516 |
strlen( trim( $_FORM["txtDLFilename"] ) ) > 0 ) |
---|
517 |
{ |
---|
518 |
$szDLFilename = $_FORM["txtDLFilename"]; |
---|
519 |
} |
---|
520 |
else |
---|
521 |
{ |
---|
522 |
$szDLFilename = $szSelectedLayerName; |
---|
523 |
} |
---|
524 |
|
---|
525 |
|
---|
526 |
|
---|
527 |
|
---|
528 |
$szCloseButton = makeButton( 'CloseWindow', '', 'ExtractWFSData', |
---|
529 |
"icons/icon_cancel.png", $oCommonMLT->get("Close", "Close"), |
---|
530 |
$oCommonMLT->get("CloseTip", "Close Dialog"), array( 'width' => 75) ); |
---|
531 |
|
---|
532 |
|
---|
533 |
|
---|
534 |
|
---|
535 |
|
---|
536 |
|
---|
537 |
|
---|
538 |
|
---|
539 |
|
---|
540 |
|
---|
541 |
|
---|
542 |
|
---|
543 |
|
---|
544 |
|
---|
545 |
|
---|
546 |
|
---|
547 |
|
---|
548 |
|
---|
549 |
|
---|
550 |
|
---|
551 |
|
---|
552 |
|
---|
553 |
|
---|
554 |
|
---|
555 |
|
---|
556 |
|
---|
557 |
|
---|
558 |
|
---|
559 |
|
---|
560 |
|
---|
561 |
|
---|
562 |
|
---|
563 |
|
---|
564 |
|
---|
565 |
|
---|
566 |
|
---|
567 |
|
---|
568 |
|
---|
569 |
|
---|
570 |
|
---|
571 |
|
---|
572 |
|
---|
573 |
|
---|
574 |
|
---|
575 |
|
---|
576 |
|
---|
577 |
|
---|
578 |
|
---|
579 |
|
---|
580 |
|
---|
581 |
|
---|
582 |
|
---|
583 |
|
---|
584 |
|
---|
585 |
|
---|
586 |
|
---|
587 |
|
---|
588 |
|
---|
589 |
|
---|
590 |
|
---|
591 |
|
---|
592 |
|
---|
593 |
|
---|
594 |
|
---|
595 |
|
---|
596 |
|
---|
597 |
|
---|
598 |
|
---|
599 |
function parseDesc( $axValues ) |
---|
600 |
{ |
---|
601 |
|
---|
602 |
$nCount = count( $axValues ); |
---|
603 |
for ( $i=0; $i < $nCount; $i++ ) |
---|
604 |
{ |
---|
605 |
|
---|
606 |
if ( strtoupper( $axValues[$i]["tag"] ) == "LAYERDESCRIPTION" ) |
---|
607 |
return $axValues[$i]["attributes"]["wfs"]; |
---|
608 |
} |
---|
609 |
|
---|
610 |
|
---|
611 |
return null; |
---|
612 |
|
---|
613 |
|
---|
614 |
} |
---|
615 |
|
---|
616 |
|
---|
617 |
|
---|
618 |
|
---|
619 |
|
---|
620 |
|
---|
621 |
|
---|
622 |
|
---|
623 |
|
---|
624 |
|
---|
625 |
|
---|
626 |
|
---|
627 |
|
---|
628 |
function getBboxIntersect( $szBbox1, $szBbox2 ) |
---|
629 |
{ |
---|
630 |
|
---|
631 |
$aszTmpBboxMinMax = explode( " ", $szBbox1 ); |
---|
632 |
$aszTmpBobx = explode( ",", $aszTmpBboxMinMax[0] ); |
---|
633 |
$nMinx1 = $aszTmpBobx[0]; |
---|
634 |
$nMiny1 = $aszTmpBobx[1]; |
---|
635 |
$aszTmpBobx = explode( ",", $aszTmpBboxMinMax[1] ); |
---|
636 |
$nMaxx1 = $aszTmpBobx[0]; |
---|
637 |
$nMaxy1 = $aszTmpBobx[1]; |
---|
638 |
$aszTmpBboxMinMax = explode( " ", $szBbox2 ); |
---|
639 |
$aszTmpBobx = explode( ",", $aszTmpBboxMinMax[0] ); |
---|
640 |
$nMinx2 = $aszTmpBobx[0]; |
---|
641 |
$nMiny2 = $aszTmpBobx[1]; |
---|
642 |
$aszTmpBobx = explode( ",", $aszTmpBboxMinMax[1] ); |
---|
643 |
$nMaxx2 = $aszTmpBobx[0]; |
---|
644 |
$nMaxy2 = $aszTmpBobx[1]; |
---|
645 |
|
---|
646 |
|
---|
647 |
if ( $nMinx1 >= $nMinx2 && $nMinx1 <= $nMaxx2 ) |
---|
648 |
$nReturnMinx = $nMinx1; |
---|
649 |
elseif( $nMinx2 >= $nMinx1 && $nMinx2 <= $nMaxx1 ) |
---|
650 |
$nReturnMinx = $nMinx2; |
---|
651 |
else |
---|
652 |
return false; |
---|
653 |
|
---|
654 |
|
---|
655 |
if ( $nMaxx1 >= $nMinx2 && $nMaxx1 <= $nMaxx2 ) |
---|
656 |
$nReturnMaxx = $nMaxx1; |
---|
657 |
elseif( $nMaxx2 >= $nMinx1 && $nMaxx2 <= $nMaxx1 ) |
---|
658 |
$nReturnMaxx = $nMaxx2; |
---|
659 |
else |
---|
660 |
return false; |
---|
661 |
|
---|
662 |
|
---|
663 |
if ( $nMiny1 >= $nMiny2 && $nMiny1 <= $nMaxy2 ) |
---|
664 |
$nReturnMiny = $nMiny1; |
---|
665 |
elseif( $nMiny2 >= $nMiny1 && $nMiny2 <= $nMaxy1 ) |
---|
666 |
$nReturnMiny = $nMiny2; |
---|
667 |
else |
---|
668 |
return false; |
---|
669 |
|
---|
670 |
|
---|
671 |
if ( $nMaxy1 >= $nMiny2 && $nMaxy1 <= $nMaxy2 ) |
---|
672 |
$nReturnMaxy = $nMaxy1; |
---|
673 |
elseif( $nMaxy2 >= $nMiny1 && $nMaxy2 <= $nMaxy1 ) |
---|
674 |
$nReturnMaxy = $nMaxy2; |
---|
675 |
else |
---|
676 |
return false; |
---|
677 |
|
---|
678 |
|
---|
679 |
return $nReturnMinx.",".$nReturnMiny." ".$nReturnMaxx.",".$nReturnMaxy; |
---|
680 |
|
---|
681 |
|
---|
682 |
} |
---|
683 |
|
---|
684 |
function tar( $aszSource, $szDestination ) |
---|
685 |
{ |
---|
686 |
|
---|
687 |
include( COMMON."/tar/tar.php" ); |
---|
688 |
|
---|
689 |
|
---|
690 |
$tar = new Archive_Tar( $szDestination ); |
---|
691 |
|
---|
692 |
|
---|
693 |
if ( !$tar->create( $aszSource ) ) |
---|
694 |
return false; |
---|
695 |
else |
---|
696 |
return true; |
---|
697 |
} |
---|
698 |
|
---|
699 |
function gZip( $szSource, $szDestination ) |
---|
700 |
{ |
---|
701 |
$fp = fopen( $szSource, "r" ); |
---|
702 |
$data = fread ( $fp, filesize( $szSource ) ); |
---|
703 |
fclose( $fp ); |
---|
704 |
$zp = gzopen( $szDestination, "w9" ); |
---|
705 |
gzwrite( $zp, $data ); |
---|
706 |
gzclose( $zp ); |
---|
707 |
} |
---|
708 |
|
---|
709 |
function zip( $aszSource, $szDestination ) |
---|
710 |
{ |
---|
711 |
|
---|
712 |
include_once( COMMON."/zip/zip.php" ); |
---|
713 |
|
---|
714 |
|
---|
715 |
$szDirName = dirname( $szDestination ); |
---|
716 |
|
---|
717 |
|
---|
718 |
$aParams = array(); |
---|
719 |
$aParams[ARCHIVE_ZIP_PARAM_REMOVE_ALL_PATH] = true; |
---|
720 |
$zip = new Archive_Zip( $szDestination ); |
---|
721 |
if( ! $zip->create( $aszSource, $aParams ) ) |
---|
722 |
return false; |
---|
723 |
else |
---|
724 |
return true; |
---|
725 |
} |
---|
726 |
|
---|
727 |
|
---|
728 |
|
---|
729 |
|
---|
730 |
|
---|
731 |
|
---|
732 |
|
---|
733 |
|
---|
734 |
|
---|
735 |
|
---|
736 |
|
---|
737 |
function cleanPath( $szPath ) |
---|
738 |
{ |
---|
739 |
|
---|
740 |
$szReturn = trim( str_replace( "\\", "/", $szPath ) ); |
---|
741 |
|
---|
742 |
|
---|
743 |
if ( substr( $szReturn, -1 ) != "/" ) |
---|
744 |
$szReturn .= "/"; |
---|
745 |
|
---|
746 |
|
---|
747 |
return $szReturn; |
---|
748 |
} |
---|
749 |
|
---|
750 |
|
---|
751 |
|
---|
752 |
|
---|
753 |
|
---|
754 |
|
---|
755 |
|
---|
756 |
|
---|
757 |
|
---|
758 |
|
---|
759 |
|
---|
760 |
|
---|
761 |
function buildSpacialFilterString( $oMap, $oLayer ) |
---|
762 |
{ |
---|
763 |
|
---|
764 |
$szProjection = trim( $oLayer->getprojection() ); |
---|
765 |
if ( strlen( $szProjection ) <= 0 ) |
---|
766 |
$szProjection = trim( $oMap->getprojection() ); |
---|
767 |
if ( strlen( $szProjection ) > 0 ) |
---|
768 |
{ |
---|
769 |
$szProjection = substr( $szProjection, 5 ); |
---|
770 |
$szProjection = str_replace( 'epsg', 'EPSG', $szProjection ); |
---|
771 |
} |
---|
772 |
if ( substr( $szProjection, 0, 4 ) != 'EPSG' ) |
---|
773 |
{ |
---|
774 |
$szProjection = ''; |
---|
775 |
} |
---|
776 |
|
---|
777 |
|
---|
778 |
if ( isset( $_SESSION['ROIRENDERER'] ) && |
---|
779 |
is_array( $_SESSION['ROIRENDERER'] ) && |
---|
780 |
count( $_SESSION['ROIRENDERER'] ) > 0 ) |
---|
781 |
{ |
---|
782 |
|
---|
783 |
$bNotFirstExpression = false; |
---|
784 |
$szBbox = ''; |
---|
785 |
foreach( $_SESSION['ROIRENDERER'] as $szTmpROI ) |
---|
786 |
{ |
---|
787 |
|
---|
788 |
$szThisBbox = ''; |
---|
789 |
switch ( strtoupper($szTmpROI['type'] ) ) |
---|
790 |
{ |
---|
791 |
case 'RECTANGLE': |
---|
792 |
$szThisBbox = buildRectFilter( $szTmpROI['aGeoCoords'], |
---|
793 |
$szProjection ); |
---|
794 |
break; |
---|
795 |
case 'CIRCLE': |
---|
796 |
$szThisBbox = buildCircleFilter( $szTmpROI['aGeoCoords'], |
---|
797 |
$szTmpROI['aGeoCoords'][2]-$szTmpROI['aGeoCoords'][0] ); |
---|
798 |
break; |
---|
799 |
case 'POLYGON': |
---|
800 |
$szThisBbox = buildPolygonFilter( $szTmpROI['aGeoCoords'] ); |
---|
801 |
break; |
---|
802 |
default: |
---|
803 |
$szBbox .= ''; |
---|
804 |
} |
---|
805 |
|
---|
806 |
|
---|
807 |
if ( $bNotFirstExpression ) |
---|
808 |
{ |
---|
809 |
switch( $szTmpROI['mode'] ) |
---|
810 |
{ |
---|
811 |
|
---|
812 |
case 2: |
---|
813 |
$szBbox = '<OR>'.$szBbox.$szThisBbox.'</OR>'; |
---|
814 |
break; |
---|
815 |
|
---|
816 |
case 3: |
---|
817 |
$szBbox = '<AND>'.$szBbox.'<NOT>'.$szThisBbox.'</NOT></AND>'; |
---|
818 |
break; |
---|
819 |
} |
---|
820 |
} |
---|
821 |
else |
---|
822 |
$szBbox .= $szThisBbox; |
---|
823 |
|
---|
824 |
|
---|
825 |
$bNotFirstExpression = true; |
---|
826 |
} |
---|
827 |
} |
---|
828 |
else |
---|
829 |
{ |
---|
830 |
|
---|
831 |
$szBbox = buildRectFilter( |
---|
832 |
array( $oMap->extent->minx, |
---|
833 |
$oMap->extent->miny, |
---|
834 |
$oMap->extent->maxx, |
---|
835 |
$oMap->extent->maxy ), |
---|
836 |
$szProjection ); |
---|
837 |
} |
---|
838 |
|
---|
839 |
|
---|
840 |
return $szBbox; |
---|
841 |
|
---|
842 |
|
---|
843 |
} |
---|
844 |
|
---|
845 |
function buildRectFilter( $adCoords, $szProjection ) |
---|
846 |
{ |
---|
847 |
return '<BBOX><PropertyName>Name</PropertyName>'. |
---|
848 |
"<gml:Box srsName='".$szProjection."'><coordinates>". |
---|
849 |
$adCoords[0].','. |
---|
850 |
$adCoords[1].' '. |
---|
851 |
$adCoords[2].','. |
---|
852 |
$adCoords[3]. |
---|
853 |
'</coordinates></gml:Box></BBOX>'; |
---|
854 |
} |
---|
855 |
|
---|
856 |
function buildCircleFilter( $adCoords, $dDistance ) |
---|
857 |
{ |
---|
858 |
return '<DWithin><PropertyName>Name</PropertyName><gml:Point>'. |
---|
859 |
'<gml:coordinates>'.$adCoords[0].','.$adCoords[1]. |
---|
860 |
'</gml:coordinates></gml:Point><Distance '. |
---|
861 |
"units='http://www.uomdict.com/uom.html#meters'>". |
---|
862 |
$dDistance.'</Distance></DWithin>'; |
---|
863 |
} |
---|
864 |
|
---|
865 |
function buildPolygonFilter( $adCoords ) |
---|
866 |
{ |
---|
867 |
$szReturn = '<Intersect><PropertyName>Name</PropertyName><gml:Polygon>'. |
---|
868 |
'<gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>'; |
---|
869 |
|
---|
870 |
|
---|
871 |
$nCount = count( $adCoords ); |
---|
872 |
$szCoords = ''; |
---|
873 |
for( $i=0; $i<$nCount; $i=$i+2 ) |
---|
874 |
{ |
---|
875 |
$szCoords .= $adCoords[$i].','.$adCoords[$i+1].' '; |
---|
876 |
} |
---|
877 |
$szReturn .= trim( $szCoords ); |
---|
878 |
$szReturn .= '</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs>'. |
---|
879 |
'</gml:Polygon></Intersect>'; |
---|
880 |
return $szReturn; |
---|
881 |
} |
---|
882 |
?> |
---|
883 |
|
---|