svn commit: r773 - trunk/mapbender/http/classes/class_gml2.php

[christoph at osgeo.org]

Author: christoph
Date: 2006-09-29 08:07:03+0000
New Revision: 773

Modified:
   trunk/mapbender/http/classes/class_gml2.php

Log:
added parsing for bbox and js export of geometries

Modified: trunk/mapbender/http/classes/class_gml2.php
Url: https://mapbender.osgeo.org/source/browse/mapbender/trunk/mapbender/http/classes/class_gml2.php?view=diff&rev=773&p1=trunk/mapbender/http/classes/class_gml2.php&p2=trunk/mapbender/http/classes/class_gml2.php&r1=772&r2=773
==============================================================================
--- trunk/mapbender/http/classes/class_gml2.php	(original)
+++ trunk/mapbender/http/classes/class_gml2.php	2006-09-29 08:07:03+0000
@@ -20,17 +20,22 @@
 require_once("class_connector.php");
 require_once("../../conf/mapbender.conf");
 class gml2{
-	var $geometries = array('Point', 'Polygon', 'LineString', 'MultiPolygon', 'MultiLineString');	
+	var $geomtype_point = 'Point';					
+	var $geomtype_polygon = 'Polygon';
+	var $geomtype_line = 'LineString';
+	var $geomtype_multipolygon = 'MultiPolygon'; 
+	var $geomtype_multiline = 'MultiLine';
+	var $geometries = array();	
 	var $member = -1;
 	var $geomtype = array();	
 	var $keys = array();
 	var $values = array();
 	var $geometry = array();
-	
+	var $bbox = array();
 	
 	
 	function gml2(){
-		
+		$this->geometries = array($this->geomtype_point, $this->geomtype_polygon, $this->geomtype_line, $this->geomtype_multipolygon, $this->geomtype_multiline);
 	}
 	function parsegml($req){
 		#$data = implode("",file($req));
@@ -45,8 +50,8 @@
 	function parse_xml($data){
 		$section = false;
 		$geom = false;
+		$boundedBy = false;
 		$el = -1;
-
 		$parser = xml_parser_create(CHARSET);
 		xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
 		xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,1);
@@ -60,6 +65,15 @@
 		xml_parser_free($parser);
 		
 		foreach ($values as $element) {
+			if(strtoupper($element[tag]) == strtoupper("gml:boundedBy") && $element[type] == "open"){
+				$boundedBy = true;
+			}
+			if ($boundedBy) {
+				if(strtoupper($element[tag]) == strtoupper("gml:coordinates")){
+					$this->bbox = explode(",", str_replace(",,","",str_replace(" ",",",trim($element[value]))));
+					$boundedBy=false;
+				}
+			}
 			if(strtoupper($element[tag]) == strtoupper("gml:featureMember") && $element[type] == "open"){
 				$this->member++;
 				$this->keys[$this->member] = array();
@@ -92,6 +106,7 @@
 			}
 		}
 	}	
+	
 	function sepNameSpace($s){
 		$c = strpos($s,":"); 
 		if($c>0){
@@ -101,9 +116,11 @@
 			return $s;
 		}		
 	}
+	
 	function getMemberCount(){
 		return ($this->member+1);	
 	}
+	
 	function getValueBySeparatedKey($memberCount,$keyName){
 		for($i=0; $i<count($this->keys[$memberCount]); $i++){
 			if($this->sepNameSpace($this->keys[$memberCount][$i]) == $keyName){
@@ -111,6 +128,7 @@
 			}	
 		}
 	}
+	
 	function getValueByKey($memberCount,$keyName){
 		for($i=0; $i<count($this->keys[$memberCount]); $i++){
 			if($this->keys[$memberCount][$i] == $keyName){
@@ -118,6 +136,7 @@
 			}	
 		}
 	}
+	
 	function getXfromMemberAsString($memberCount,$geomCount){
 		$t = explode(",",$this->geometry[$memberCount][$geomCount]);
 		$x = array();
@@ -126,6 +145,7 @@
 		}
 		return implode(",",$x);
 	}
+	
 	function getYfromMemberAsString($memberCount,$geomCount){
 		$t = explode(",",$this->geometry[$memberCount][$geomCount]);
 		$y = array();
@@ -134,17 +154,58 @@
 		}
 		return implode(",",$y);
 	}
+	
 	function getGeometriesFromMember($memberCount){
 		return $this->geometry[$memberCount];	
 	}
+	
 	function getGeometryTypeFromMember($memberCount){
 		return 	$this->geomtype[$memberCount];
 	}
+	
 	function char_encode($s){
 		if(CHARSET == 'UTF-8'){
 			$s = utf8_encode($s);	
 		}
 		return $s;
 	}
+	
+	function exportGeometriesToJS () {
+		$js = "";
+		$js .= "var geom = new GeometryArray();\n";
+		for ($i=0; $i<count($this->geometry); $i++) {
+			$js .= $this->exportMember($i);
+			$js .= "geom.appendMember(q);\n";
+		}
+	}
+	
+	function exportMemberToJS ($i) {
+		$js = "";
+		if ($this->getGeometryTypeFromMember($i) == $this->geomtype_point) {
+			$js .= "var current_geomtype = geomTypePoint;\n";
+		}
+		elseif ($this->getGeometryTypeFromMember($i) == $this->geomtype_line || $this->getGeometryTypeFromMember($i) == $this->geomtype_multiline) {
+			$js .= "var current_geomtype = geomTypeLine;\n";
+		}
+		elseif ($this->getGeometryTypeFromMember($i) == $this->geomtype_polygon || $this->getGeometryTypeFromMember($i) == $this->geomtype_multipolygon) {
+			$js .= "var current_geomtype = geomTypePolygon;\n";
+		}
+		else die("unknown geometry type: '".$this->getGeometryTypeFromMember($i)."'");
+		
+		$js .= "var q = new MultiGeometry(current_geomtype);\n";
+		
+		for ($j=0; $j<count($this->geometry[$i]); $j++) {
+			$js .= "q.addGeometry(current_geomtype);\n";
+			
+			$x_array = explode(",", $this->getXfromMemberAsString($i, $j));
+			$y_array = explode(",", $this->getYfromMemberAsString($i, $j));
+			
+			for ($k=0; $k<count($x_array); $k++) {
+				$js .= "q.get(-1).addPointByCoordinates(parseFloat(".$x_array[$k]."), parseFloat(".$y_array[$k]."));\n";
+			}
+			$js .= "q.get(-1).close();\n";
+		}
+		return $js;
+	}
 }
 ?>
\ No newline at end of file