/**
* @param string the content of the geometry tag of a KML. Note: KML 2.2 uses a
* comma separated list, while KML OWS uses the GML syntax with
* blanks as separators
*/
public function __construct($geometryString, $epsg)
{
# KML 2.2
if (preg_match("/,/", $geometryString)) {
$pointArray = explode(" ", $geometryString);
for ($i = 0; $i < count($pointArray); $i++) {
#
# Some KMLs have a lot of whitespaces; this "if" is an
# ugly hack to prevent adding empty points
#
if (preg_match("/,/", $pointArray[$i])) {
$aPoint = explode(",", $pointArray[$i]);
// KML only supperts EPSG 4326, so
// the coordinates are transformed
$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
if (isset($epsg) && $epsg != 4326) {
$pt->transform(4326);
}
$point = array("x" => $pt->x, "y" => $pt->y, "z" => $pt->z);
array_push($this->pointArray, $point);
}
}
} else {
$pointArray = explode(" ", $geometryString);
for ($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]) {
$pt = new Mapbender_point($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, "z" => $pt->z);
array_push($this->pointArray, $point);
}
}
}
}
/**
* @param string the content of the geometry tag of a KML. Note: KML 2.2 uses a
* comma separated list, while KML OWS uses the GML syntax with
* blanks as separators
*/
public function __construct($geometryString, $epsg)
{
//TODO: parameter validation and exception handling
// KML 2.2
if (preg_match("/,/", $geometryString)) {
$aPoint = explode(",", $geometryString);
// ignore altitude
$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
} else {
$aPoint = explode(" ", $geometryString);
// ignore altitude
$pt = new Mapbender_point($aPoint[0], $aPoint[1], $aPoint[2], $epsg);
}
// KML only supperts EPSG 4326, so
// the coordinates are transformed
if (isset($epsg) && $epsg != 4326) {
$pt->transform(4326);
}
$this->point = array("x" => $pt->x, "y" => $pt->y, "z" => $pt->z);
}
function insertLayerEPSG($i)
{
$sql = "DELETE FROM layer_epsg WHERE fkey_layer_id = \$1";
$v = array($this->objLayer[$i]->db_id);
$t = array('i');
$res = db_prep_query($sql, $v, $t);
for ($j = 0; $j < count($this->objLayer[$i]->layer_epsg); $j++) {
$sql = "INSERT INTO layer_epsg (fkey_layer_id, epsg, minx, miny, maxx, maxy) ";
$sql .= "VALUES(\$1,\$2,\$3,\$4,\$5,\$6)";
$v = array($this->objLayer[$i]->db_id, $this->objLayer[$i]->layer_epsg[$j][epsg], $this->objLayer[$i]->layer_epsg[$j][minx], $this->objLayer[$i]->layer_epsg[$j][miny], $this->objLayer[$i]->layer_epsg[$j][maxx], $this->objLayer[$i]->layer_epsg[$j][maxy]);
$t = array('i', 's', 'd', 'd', 'd', 'd');
$res = db_prep_query($sql, $v, $t);
if (!$res) {
db_rollback();
}
}
// GET SRS_ARRAY of mapbender.conf
if (SRS_ARRAY != "") {
$confSrsArray = split(",", SRS_ARRAY);
foreach ($confSrsArray as &$srs) {
$srs = trim($srs);
}
}
for ($index = 0; $index < sizeof($confSrsArray); $index++) {
$confSrsArray[$index] = "EPSG:" . $confSrsArray[$index];
}
$sql_epsg = "SELECT * FROM layer_epsg WHERE fkey_layer_id = \$1";
$v_epsg = array($this->objLayer[$i]->db_id);
$t_epsg = array('i');
$res_epsg = db_prep_query($sql_epsg, $v_epsg, $t_epsg);
$epsg = array();
$minx = array();
$miny = array();
$maxx = array();
$maxy = array();
$cnt = 0;
while ($row_epsg = db_fetch_array($res_epsg)) {
array_push($epsg, strtoupper($row_epsg['epsg']));
array_push($minx, $row_epsg['minx']);
array_push($miny, $row_epsg['miny']);
array_push($maxx, $row_epsg['maxx']);
array_push($maxy, $row_epsg['maxy']);
$cnt++;
}
//get all srs which are supported by the parent layer and in array SRS_ARRAY from mapbender.conf
$supportedSrs = $this->getSupportedSRS($this->objLayer[$i]->db_id, $confSrsArray);
for ($k = 0; $k < count($supportedSrs); $k++) {
if (!in_array($supportedSrs[$k], $epsg) && $supportedSrs[$k] != '') {
$n = new mb_notice("Calculation for: " . $supportedSrs[$k]);
$pointMin = new Mapbender_point($minx[0], $miny[0], $epsg[0]);
$pointMax = new Mapbender_point($maxx[0], $maxy[0], $epsg[0]);
$pointMin->transform($supportedSrs[$k]);
$pointMax->transform($supportedSrs[$k]);
if ($pointMin->epsg != '' && $pointMin->x != '' && $pointMin->y != '' && $pointMax->x != '' && $pointMax->y != '') {
$sql_bbox = "INSERT INTO layer_epsg (fkey_layer_id, epsg, minx, miny, maxx, maxy) ";
$sql_bbox .= "VALUES(\$1,\$2,\$3,\$4,\$5,\$6)";
$v_bbox = array($this->objLayer[$i]->db_id, $pointMin->epsg, $pointMin->x, $pointMin->y, $pointMax->x, $pointMax->y);
$t_bbox = array('i', 's', 'd', 'd', 'd', 'd');
$res_bbox = db_prep_query($sql_bbox, $v_bbox, $t_bbox);
$n = new mb_notice("Calculation for: " . $supportedSrs[$k] . " finished successful.");
} else {
$e = new mb_exception("Could not transform " . strtoupper($epsg[0]) . " to " . $supportedSrs[$k] . ".");
}
}
}
}
/**
* Computes a new bounding box, bbox1 UNION bbox2
*/
static function union($bboxArray)
{
if (count($bboxArray) == 1) {
return array_pop($bboxArray);
} elseif (count($bboxArray) >= 2) {
$bbox1 = array_pop($bboxArray);
$bbox2 = Mapbender_bbox::union($bboxArray);
if (!($bbox1 != null && $bbox1->isValid()) && !($bbox2 != null && $bbox2->isValid())) {
$e = new mb_exception("Mapbender_bbox: union: both parameters invalid!");
return null;
} elseif (!($bbox1 != null && $bbox1->isValid()) && ($bbox2 != null && $bbox2->isValid())) {
$e = new mb_exception("Mapbender_bbox: union: first parameter invalid!");
return $bbox2;
} elseif ($bbox1 != null && $bbox1->isValid() && !($bbox2 != null && $bbox2->isValid())) {
$e = new mb_exception("Mapbender_bbox: union: second parameter invalid!");
return $bbox1;
} else {
if ($bbox1->epsg == $bbox2->epsg) {
$e = new mb_notice("Mapbender_bbox: union: bbox1 is: " . $bbox1);
$e = new mb_notice("Mapbender_bbox: union: bbox2 is: " . $bbox2);
$e = new mb_notice("Mapbender_bbox: union: merging bbox1 and bbox2...");
return new Mapbender_bbox(Mapbender_point::min($bbox1->min, $bbox2->min), Mapbender_point::max($bbox1->max, $bbox2->max), $bbox1->epsg);
} else {
$e = new mb_exception("Mapbender_bbox: cannot process union with different EPSG codes");
}
}
} else {
$e = new mb_exception("Mapbender_bbox: Invalid parameter (Not an array)!");
}
return null;
}
