[Mapbender-commits] r2885 - branches/2.5/http/classes

svn_mapbender at osgeo.org svn_mapbender at osgeo.org
Wed Aug 20 10:58:44 EDT 2008


Author: christoph
Date: 2008-08-20 10:58:43 -0400 (Wed, 20 Aug 2008)
New Revision: 2885

Modified:
   branches/2.5/http/classes/class_kml_line.php
   branches/2.5/http/classes/class_kml_linearring.php
   branches/2.5/http/classes/class_kml_ows.php
   branches/2.5/http/classes/class_kml_parser_ows.php
   branches/2.5/http/classes/class_kml_placemark.php
   branches/2.5/http/classes/class_kml_point.php
   branches/2.5/http/classes/class_point.php
Log:
now supports 3D, merged from trlp

Modified: branches/2.5/http/classes/class_kml_line.php
===================================================================
--- branches/2.5/http/classes/class_kml_line.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_line.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -44,34 +44,32 @@
 				#
 				if (preg_match("/,/", $pointArray[$i])) {
 					$aPoint = explode(",", $pointArray[$i]);
-					# ignore altitude
 					// KML only supperts EPSG 4326, so
 					// the coordinates are transformed 
-					$pt = new Mapbender_point($aPoint[0], $aPoint[1], $epsg);
+					$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
 					if (isset($epsg) && $epsg != 4326) {
 						$pt->transform(4326);
 					}
-					$point = array("x" => $pt->x, "y" => $pt->y);
+					$point = array("x" => $pt->x, "y" => $pt->y, "z" => $pt->z);
 					array_push($this->pointArray, $point);
 				}
 			}
 		}
 		else {
 			$pointArray = explode(" ", $geometryString);
-			for ($i=0; $i < count($pointArray); $i+=2) {
+			for ($i=0; $i < count($pointArray); $i+=3) {
 				#
 				# Some KMLs have a lot of whitespaces; this "if" is an
 				# ugly hack to prevent adding empty points
 				#
 				if ($pointArray[$i] && $pointArray[$i+1]) {
-					# ignore altitude
-					$pt = new Mapbender_point($pointArray[$i], $pointArray[$i+1], $epsg);
+					$pt = new Mapbender_point($pointArray[$i], $pointArray[$i+1], $pointArray[$i+2], $epsg);
 					// KML only supperts EPSG 4326, so
 					// the coordinates are transformed 
 					if (isset($epsg) && $epsg != 4326) {
 						$pt->transform(4326);
 					}
-					$point = array("x" => $pt->x, "y" => $pt->y);
+					$point = array("x" => $pt->x, "y" => $pt->y, "z" => $pt->z);
 					array_push($this->pointArray, $point);
 				}
 			}
@@ -96,7 +94,12 @@
 				if ($i > 0) {
 					$str .= ",";
 				}
-				$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"]."]";
+				if ($this->pointArray[$i]["z"]) {
+					$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"].",".$this->pointArray[$i]["z"]."]";
+				}
+				else {
+					$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"]."]";
+				}
 			}
 			return "{\"type\": \"LineString\", \"coordinates\":[" . $str . "]}";
 		}
@@ -106,7 +109,7 @@
 	}
 
 	/**
-	 * @return array an array of points as associative array, coordinates as ["x"] and ["y"]
+	 * @return array an array of points as associative array, coordinates as ["x"] and ["y"] and ["z"]
 	 */
 	public function getPointArray () {
 		return $this->pointArray;
@@ -114,8 +117,8 @@
 	
 	/**
 	 * An array of points, with a point being an associative 
-	 * array consisting of attributes "x" and "y".
+	 * array consisting of attributes "x" and "y" and "z"
 	 */
 	protected $pointArray = array();
 }
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_kml_linearring.php
===================================================================
--- branches/2.5/http/classes/class_kml_linearring.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_linearring.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -42,7 +42,12 @@
 				if ($i > 0) {
 					$str .= ",";
 				}
-				$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"]."]";
+				if ($this->pointArray[$i]["z"]) {
+					$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"].",".$this->pointArray[$i]["z"]."]";
+				}
+				else {
+					$str .= "[".$this->pointArray[$i]["x"].",".$this->pointArray[$i]["y"]."]";
+				}
 			}
 			return "[" . $str . "]";
 		}
@@ -51,4 +56,4 @@
 		return "";
 	}
 }
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_kml_ows.php
===================================================================
--- branches/2.5/http/classes/class_kml_ows.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_ows.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -45,6 +45,114 @@
 	public function __construct() {
 	} 
 
+	public function toSingleLineStringKml() {
+		//KML 2.2 output
+		$doc = new DOMDocument("1.0", CHARSET);
+		$doc->preserveWhiteSpace = false;
+	
+		// attach kml and Document tag
+		$e_kml = $doc->createElementNS("http://earth.google.com/kml/2.2", "kml");
+		$e_document = $doc->createElement("Document");
+		$e_kml->appendChild($e_document);
+		$doc->appendChild($e_kml);
+	
+		// attach placemarks
+		$e = new mb_notice("to string: #placemarks: " . count($this->placemarkArray));
+
+		$lineStyleNode = $doc->createElement("Style");
+		$lineStyleNode->setAttribute("id", "linestyleExample");
+		$lineStyleColorNode = $doc->createElement("color", "7f0000ff");
+		$lineStyleWidthNode = $doc->createElement("width", 4);
+		$lineStyleNode->appendChild($lineStyleColorNode);
+		$lineStyleNode->appendChild($lineStyleWidthNode);
+		$e_document->appendChild($lineStyleNode);
+		
+		//
+		// line segments first
+		//
+		$coordinates = "";
+
+		for ($i = 0; $i < count($this->placemarkArray); $i++) {
+			$currentPlacemark = $this->placemarkArray[$i];
+			$e = new mb_notice("now: " . $i . " of " . (count($this->placemarkArray)-1) . " (is a " . get_class($currentPlacemark) . ")");
+
+			switch ($currentPlacemark->getGeometryType()) {
+				case "KMLLine" :
+					$coordinatesArray = $currentPlacemark->getGeometry()->getPointArray();
+					for ($j = 0; $j < count($coordinatesArray); $j++) {
+						if (!($j == 0 && $i == 0)) {
+							$coordinates .= " ";
+						}
+						$coordinates .= $coordinatesArray[$j]["x"] . "," . $coordinatesArray[$j]["y"] . "," . $coordinatesArray[$j]["z"];
+						
+					}
+					break;
+			}
+		}
+		// create a placemark tag with a geometry and add it to the document
+		$e_coordinates = $doc->createElement("coordinates", $coordinates);
+		$e_geometry = $doc->createElement("LineString");
+		$e_geometry->appendChild($e_coordinates);
+		$e_placemark = $doc->createElement("Placemark");
+		$e_placemark->appendChild($e_geometry);
+		$e_pl_name = $doc->createElement("name", "Route");
+		$e_placemark->appendChild($e_pl_name);
+		$e_pl_style = $doc->createElement("styleUrl", "#linestyleExample");
+		$e_placemark->appendChild($e_pl_style);
+		$e_document->appendChild($e_placemark);
+		
+/*		
+		//
+		// now pois
+		//
+		// attach placemarks
+		$e = new mb_notice("to string: #placemarks: " . count($this->placemarkArray));
+		for ($i = 0; $i < count($this->placemarkArray); $i++) {
+			$currentPlacemark = $this->placemarkArray[$i];
+
+			$e = new mb_notice("now: " . $i . " of " . (count($this->placemarkArray)-1) . " (is a " . get_class($currentPlacemark) . ")");
+			
+			$pl_instructions = $currentPlacemark->getProperty("instruction");
+			$pl_name_array = array();
+			$pl_name = false;
+			$pl_description = false;
+			if ($pl_instructions != null) {
+				$pl_name_array = explode("|", $pl_instructions);
+			}
+
+			switch ($currentPlacemark->getGeometryType()) {
+				case "KMLPoint" :
+					if (count($pl_name_array) > 2) {
+						$pl_name = $pl_name_array[0];
+						$pl_description = $pl_name_array[1];
+					}
+					$e_geometry = $doc->createElement("Point");
+					$point = $currentPlacemark->getGeometry()->getPoint();
+					$coordinates = $point["x"] . "," . $point["y"];
+					$e_coordinates = $doc->createElement("coordinates", $coordinates);
+					$e_geometry->appendChild($e_coordinates);
+					break;
+
+			}
+			// create a placemark tag with a geometry and add it to the document
+			if ($e_geometry) {
+				$e_placemark = $doc->createElement("Placemark");
+				$e_placemark->appendChild($e_geometry);
+				if ($pl_name) {
+					$e_pl_name = $doc->createElement("name", $pl_name);
+					$e_placemark->appendChild($e_pl_name);
+				}
+				if ($pl_description) {
+					$e_pl_description = $doc->createElement("description", $pl_description);
+					$e_placemark->appendChild($e_pl_description);
+				}
+				$e_document->appendChild($e_placemark);
+			}
+		}
+*/
+		return $doc->saveXML();
+	}
+	
 	/**
 	 * @return string the KML document.
 	 */
@@ -69,9 +177,20 @@
 
 				$e = new mb_notice("now: " . $i . " of " . (count($this->placemarkArray)-1) . " (is a " . get_class($currentPlacemark) . ")");
 				
+				$pl_instructions = $currentPlacemark->getProperty("instruction");
+				$pl_name_array = array();
+				$pl_name = false;
+				$pl_description = false;
+				if ($pl_instructions != null) {
+					$pl_name_array = explode("|", $pl_instructions);
+				}
 
 				switch ($currentPlacemark->getGeometryType()) {
 					case "KMLPoint" :
+						if (count($pl_name_array) > 2) {
+							$pl_name = $pl_name_array[0];
+							$pl_description = $pl_name_array[1];
+						}
 						$e_geometry = $doc->createElement("Point");
 						$point = $currentPlacemark->getGeometry()->getPoint();
 						$coordinates = $point["x"] . "," . $point["y"];
@@ -100,6 +219,9 @@
 						break;
 */					
 					case "KMLLine" :
+						if (count($pl_name_array) > 2) {
+							$pl_description = $pl_name_array[1];
+						}
 						$e_geometry = $doc->createElement("LineString");
 						$coordinatesArray = $currentPlacemark->getGeometry()->getPointArray();
 						$coordinates = "";
@@ -107,7 +229,7 @@
 							if ($j > 0) {
 								$coordinates .= " ";
 							}
-							$coordinates .= $coordinatesArray[$j]["x"] . "," . $coordinatesArray[$j]["y"] . ",0";
+							$coordinates .= $coordinatesArray[$j]["x"] . "," . $coordinatesArray[$j]["y"] . "," . $coordinatesArray[$j]["z"];
 							
 						}
 						$e_coordinates = $doc->createElement("coordinates", $coordinates);
@@ -123,6 +245,14 @@
 				if ($e_geometry) {
 					$e_placemark = $doc->createElement("Placemark");
 					$e_placemark->appendChild($e_geometry);
+					if ($pl_name) {
+						$e_pl_name = $doc->createElement("name", $pl_name);
+						$e_placemark->appendChild($e_pl_name);
+					}
+					if ($pl_description) {
+						$e_pl_description = $doc->createElement("description", $pl_description);
+						$e_placemark->appendChild($e_pl_description);
+					}
 					$e_document->appendChild($e_placemark);
 				}
 			}
@@ -300,23 +430,29 @@
 	 * @return boolean true, if the KML could be stored in the database; else false.
 	 */
 	private function storeInDb () {
-		$con = db_connect(DBSERVER,OWNER,PW);
-		db_select_db(DB,$con);
-
-		$sql  = "INSERT INTO gui_kml ";
-		$sql .= "(fkey_mb_user_id, fkey_gui_id, kml_doc, kml_name, kml_description, kml_timestamp) ";
-		$sql .= "VALUES ";
-		$sql .= "($1, $2, $3, $4, $5, $6)";
-		$v = array ($_SESSION["mb_user_id"], $_SESSION["mb_user_gui"], $this->kml, "name", "description", time());
-		$t = array ("i", "s", "s", "s", "s", "s");
-		$res = db_prep_query($sql, $v, $t);
-		if (!$res) {
-			$e = new mb_exception("class_kml.php: storeInDb: failed to store KML in database: " . db_error());
-			return false;
+		if ($_SESSION["mb_user_id"] && $_SESSION["mb_user_gui"]) {
+			$con = db_connect(DBSERVER,OWNER,PW);
+			db_select_db(DB,$con);
+	
+			$sql  = "INSERT INTO gui_kml ";
+			$sql .= "(fkey_mb_user_id, fkey_gui_id, kml_doc, kml_name, kml_description, kml_timestamp) ";
+			$sql .= "VALUES ";
+			$sql .= "($1, $2, $3, $4, $5, $6)";
+			$v = array ($_SESSION["mb_user_id"], $_SESSION["mb_user_gui"], $this->kml, "name", "description", time());
+			$t = array ("i", "s", "s", "s", "s", "s");
+			$res = db_prep_query($sql, $v, $t);
+			if (!$res) {
+				$e = new mb_exception("class_kml.php: storeInDb: failed to store KML in database: " . db_error());
+				return false;
+			}
+	
+			$this->id = db_insert_id($con, "gui_kml", "kml_id");
+			return true;
 		}
-
-		$this->id = db_insert_id($con, "gui_kml", "kml_id");
-		return true;
+		else {
+			// should be false, but code in caller has to be changed first.
+			return true;
+		}
 	}
 
 	/**
@@ -487,4 +623,4 @@
 	 */
 	private $placemarkArray = array();
 } 
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_kml_parser_ows.php
===================================================================
--- branches/2.5/http/classes/class_kml_parser_ows.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_parser_ows.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -44,6 +44,9 @@
 		$id = 0;
 		
 		if (gettype($geometryFromGeoJSON) == "object" && $geometryFromGeoJSON->type == "FeatureCollection") {
+			if ($geometryFromGeoJSON->crs->type == "EPSG" && $geometryFromGeoJSON->crs->properties->code) {
+				$epsg = $geometryFromGeoJSON->crs->properties->code;	
+			}
 			// create Placemarks
 			for ($i = 0; $i < count($geometryFromGeoJSON->features); $i++) {
 				$e = new mb_notice("parsing plm #" . $i . "...length of placemarkArray: " . count($this->placemarkArray));
@@ -52,7 +55,9 @@
 					if ($feature->geometry->crs->type == "EPSG") {
 						$epsg = $feature->geometry->crs->properties->code;	
 					}
-					$e = new mb_notice("EPSG: " . $epsg);
+					if (!$epsg) {
+						$e = new mb_notice("EPSG is not set! Aborting...(" . $epsg . ")");
+					}
 					$geometry = $feature->geometry;
 					
 					$currentGeometry = false;
@@ -305,4 +310,4 @@
 		}		
 	}
 }
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_kml_placemark.php
===================================================================
--- branches/2.5/http/classes/class_kml_placemark.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_placemark.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -54,7 +54,7 @@
 	 * @return mixed       the property value; if none exists, null.
 	 */
 	public function getProperty ($key) {
-		if (array_key_exists($key)) {
+		if (array_key_exists($key, $this->properties)) {
 			return $this->properties[$key];
 		}
 		$e = new mb_exception("class_kml_placemark.php: getProperty: no value for key '" . $key . "'");
@@ -116,4 +116,4 @@
 	private $geometry;
 	private $properties = array();
 }
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_kml_point.php
===================================================================
--- branches/2.5/http/classes/class_kml_point.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_kml_point.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -41,12 +41,12 @@
 		if (preg_match("/,/", $geometryString)) {
 			$aPoint = explode(",", $geometryString);
 			// ignore altitude
-			$pt = new Mapbender_point($aPoint[0], $aPoint[1], $epsg);
+			$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
 		}
 		else {
 			$aPoint = explode(" ", $geometryString);
 			// ignore altitude
-			$pt = new Mapbender_point($aPoint[0], $aPoint[1], $epsg);
+			$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
 		}
 
 		// KML only supperts EPSG 4326, so
@@ -54,7 +54,7 @@
 		if (isset($epsg) && $epsg != 4326) {
 			$pt->transform(4326);
 		}
-		$this->point = array("x" => $pt->x, "y" => $pt->y);
+		$this->point = array("x" => $pt->x, "y" => $pt->y, "z" => $pt->z);
 	}
 
 	/**
@@ -69,7 +69,12 @@
 	 */
 	public function toGeoJSON () {
 		if ($this->point !== null) {
-			return "{\"type\": \"Point\", \"coordinates\": [".$this->point["x"].",".$this->point["y"]."]}";
+			if ($this->point["z"]) {
+				return "{\"type\": \"Point\", \"coordinates\": [".$this->point["x"].",".$this->point["y"].",".$this->point["z"]."]}";
+			}
+			else {
+				return "{\"type\": \"Point\", \"coordinates\": [".$this->point["x"].",".$this->point["y"]."]}";
+			}
 		}
 
 		$e = new mb_exception("KMLPoint: toGeoJSON: this point is null.");
@@ -77,15 +82,15 @@
 	}
 
 	/**
-	 * @return array a point as associative array, coordinates as ["x"] and ["y"]
+	 * @return array a point as associative array, coordinates as ["x"] and ["y"] and ["z"]
 	 */
 	public function getPoint () {
 		return $this->point;
 	}
 		
 	/**
-	 * @var	float[] an associative array, with "x", and "y" being float values.
+	 * @var	float[] an associative array, with "x", and "y"  and "z" being float values.
 	 */
 	private $point;
 }
-?>
\ No newline at end of file
+?>

Modified: branches/2.5/http/classes/class_point.php
===================================================================
--- branches/2.5/http/classes/class_point.php	2008-08-19 13:59:40 UTC (rev 2884)
+++ branches/2.5/http/classes/class_point.php	2008-08-20 14:58:43 UTC (rev 2885)
@@ -20,22 +20,30 @@
 require_once(dirname(__FILE__)."/../../core/globalSettings.php");
 
 /**
- * A Mapbender_point is a 2-dimensional point with an EPSG. 
+ * A Mapbender_point is a 2- or 3-dimensional point with an EPSG. 
  */
 class Mapbender_point {
 	var $x;
 	var $y;
+	var $z;
 	var $epsg;
 	
 	/**
 	 * @constructor
 	 */
-	function __construct($x, $y, $epsg) {
-		if (!$x || !$y || !$epsg) {
-			$e = new mb_exception("Mapbender_point: constructor: some parameters are not set (set (x: ".$x.", y: ".$y.", epsg:".$epsg.")!");
+	function __construct($x, $y, $z, $epsg) {
+		// may be called without $z; so $epsg is the third parameter, $z
+		if (isset($x) && isset($y) && isset($z) && !isset($epsg)) {
+			$e = new mb_notice("Mapbender_point: constructor: probably 2d call (x: ".$x.", y: ".$y.", z: ".$z.", epsg:".$epsg.")!");
+			$epsg = $z;
+			$z = false;
 		}
+		if (!isset($x) || !isset($y) || !isset($epsg)) {
+			$e = new mb_exception("Mapbender_point: constructor: some parameters are not set (set (x: ".$x.", y: ".$y.", z: ".$z.", epsg:".$epsg.")!");
+		}
 		$this->x = $x;
 		$this->y = $y;
+		$this->z = $z;
 		$this->epsg = $epsg;
 	}
 	
@@ -136,11 +144,20 @@
 			$currentEpsg = preg_replace("/EPSG:/", "", $this->epsg);
 			$targetEpsg = preg_replace("/EPSG:/", "", $toEpsg);
 			$sql = "SELECT X(transform(GeometryFromText('POINT(".$this->x." ".$this->y.")',".$currentEpsg."),".$targetEpsg.")) as x, ";
-			$sql .= "Y(transform(GeometryFromText('POINT(".$this->x." ".$this->y.")',".$currentEpsg."),".$targetEpsg.")) as y";
+			$sql .= "Y(transform(GeometryFromText('POINT(".$this->x." ".$this->y.")',".$currentEpsg."),".$targetEpsg.")) as y, ";
+			if (isset($this->z)) {
+				$sql .= "Z(transform(GeometryFromText('POINT(".$this->x." ".$this->y." ".$this->z.")',".$currentEpsg."),".$targetEpsg.")) as z";
+			}
 			$res = db_query($sql);
-			$point = new Mapbender_point(db_result($res,0,"x"), db_result($res,0,"y"), $toEpsg);
+			if (isset($this->z)) {
+				$point = new Mapbender_point(db_result($res,0,"x"), db_result($res,0,"y"), db_result($res,0,"z"), $toEpsg);
+			}
+			else {
+				$point = new Mapbender_point(db_result($res,0,"x"), db_result($res,0,"y"), $toEpsg);
+			}
 			$this->x = $point->x;
 			$this->y = $point->y;
+			$this->z = $point->z;
 			$this->epsg = $point->epsg;
 		}
 		else {
@@ -149,7 +166,12 @@
 	}
 	
 	function __toString() {
-		return (string) "(" . $this->x . "," . $this->y . "," . $this->epsg . ")";
+		if (isset($this->z)) {
+			return (string) "(" . $this->x . "," . $this->y . "," . $this->z . ", " . $this->epsg . ")";
+		}
+		else {
+			return (string) "(" . $this->x . "," . $this->y . "," . $this->epsg . ")";
+		}
 	}
 }
-?>
\ No newline at end of file
+?>



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