0) {
$fileMapImg = fopen("..".LAYER_PREVIEW_URL."/".$fileName, 'w+');
if ($fileMapImg) {
rewind($fileMapImg);
$bytesWritten = fwrite($fileMapImg, $fileContent);
if ($bytesWritten) {
fflush($fileMapImg);
ftruncate($fileMapImg, ftell($fileMapImg));
fclose($fileMapImg);
return true;
}
$e = new mb_exception("..".LAYER_PREVIEW_URL."/".$fileName.": 0 bytes written.");
return false;
}
$e = new mb_exception("..".LAYER_PREVIEW_URL."/".$fileName.": could not open.");
return false;
}
$e = new mb_exception($fileName.": no file content.");
return false;
}
if ($_POST["data"]) {
$d = explode("____", $_POST["data"]);
$mapurl = $d[0];
$legendurl = $d[1];
$mapurl = eregi_replace("(&width=)[0-9]+($|[^0-9])", "\\1".LAYER_PREVIEW_WIDTH."\\2", $mapurl);
$mapurl = eregi_replace("(&height=)[0-9]+($|[^0-9])", "\\1".LAYER_PREVIEW_HEIGHT."\\2", $mapurl);
$adm = new administration();
$layer_id = $_SESSION['layer_preview'];
if (!$layer_id) {
echo "";
}
else {
// session_write_close();
$con1 = new connector($mapurl);
$fileNameMap = $layer_id."_layer_map_preview.png";
$fileContentMap = $con1->file;
$success = savePreview($fileNameMap, $fileContentMap);
if (!$success) $fileNameMap = "";
$con2 = new connector($legendurl);
$fileNameLegend = $layer_id."_layer_legend_preview.png";
$fileContentLegend = $con2->file;
$success = savePreview($fileNameLegend, $fileContentLegend);
if (!$success) $fileNameLegend = "";
// $rlp_4326_box = array(6.10988942079081,48.987785376052,8.58790010810365,50.9273496139233);
$rlp_4326_box = array(6.05,48.9,8.6,50.96);
$sql = "SELECT * FROM layer_epsg WHERE fkey_layer_id = $1 AND epsg = 'EPSG:4326'";
$v = array($layer_id);
$t = array('i');
$res = db_prep_query($sql, $v, $t);
$row = db_fetch_array($res);
if ($row['minx'] && $row['miny'] && $row['maxx'] && $row['maxy']) {
$extent_layer_id = $layer_id;
$layer_4326_box = array($row['minx'], $row['miny'], $row['maxx'], $row['maxy']);
}
else {
$sql = "SELECT * FROM (SELECT fkey_wms_id FROM layer WHERE layer_id = $1 LIMIT 1) AS w, layer_epsg AS e, layer AS l WHERE l.fkey_wms_id = w.fkey_wms_id AND l.layer_pos = 0 AND l.layer_id = e.fkey_layer_id AND e.epsg = 'EPSG:4326'";
$v = array($layer_id);
$t = array('i');
$res = db_prep_query($sql, $v, $t);
$row = db_fetch_array($res);
if ($row['epsg'] && $row['minx'] && $row['miny'] && $row['maxx'] && $row['maxy']) {
$layer_4326_box = array($row['minx'], $row['miny'], $row['maxx'], $row['maxy']);
$extent_layer_id = $row['layer_id'];
}
else {
$layer_4326_box = $rlp_4326_box;
$extent_layer_id = $layer_id;
}
}
if ($layer_4326_box[0] <= $rlp_4326_box[0] || $layer_4326_box[2] >= $rlp_4326_box[2] || $layer_4326_box[1] <= $rlp_4326_box[1] || $layer_4326_box[3] >= $rlp_4326_box[3]) {
if ($layer_4326_box[0] < $rlp_4326_box[0]) {
$rlp_4326_box[0] = $layer_4326_box[0];
}
if ($layer_4326_box[2] > $rlp_4326_box[2]) {
$rlp_4326_box[2] = $layer_4326_box[2];
}
if ($layer_4326_box[1] < $rlp_4326_box[1]) {
$rlp_4326_box[1] = $layer_4326_box[1];
}
if ($layer_4326_box[3] > $rlp_4326_box[3]) {
$rlp_4326_box[3] = $layer_4326_box[3];
}
$d_x = $rlp_4326_box[2] - $rlp_4326_box[0];
$d_y = $rlp_4326_box[3] - $rlp_4326_box[1];
$new_minx = $rlp_4326_box[0] - 0.05*($d_x);
$new_maxx = $rlp_4326_box[2] + 0.05*($d_x);
$new_miny = $rlp_4326_box[1] - 0.05*($d_y);
$new_maxy = $rlp_4326_box[3] + 0.05*($d_y);
if ($new_minx < -180) $rlp_4326_box[0] = -180; else $rlp_4326_box[0] = $new_minx;
if ($new_maxx > 180) $rlp_4326_box[2] = 180; else $rlp_4326_box[2] = $new_maxx;
if ($new_miny < -90) $rlp_4326_box[1] = -90; else $rlp_4326_box[1] = $new_miny;
if ($new_maxy > 90) $rlp_4326_box[3] = 90; else $rlp_4326_box[3] = $new_maxy;
}
$con3 = new connector(LAYER_EXTENT_URL."VERSION=1.1.1&REQUEST=GetMap&SERVICE=WMS&LAYERS=rlp,ows_layer&STYLES=&SRS=EPSG:4326&BBOX=".$rlp_4326_box[0].",".$rlp_4326_box[1].",".$rlp_4326_box[2].",".$rlp_4326_box[3]."&WIDTH=120&HEIGHT=120&FORMAT=image/png&BGCOLOR=0xffffff&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage&layer_id=".$extent_layer_id);
$fileNameExtent = $layer_id."_layer_extent_preview.png";
$fileContentExtent = $con3->file;
$success = savePreview($fileNameExtent, $fileContentExtent);
if (!$success) $fileNameExtent = "";
$sql = "SELECT * FROM layer_preview WHERE fkey_layer_id = $1";
$v = array($layer_id);
$t = array('i');
$res = db_prep_query($sql, $v, $t);
$row = db_fetch_array($res);
if ($row['fkey_layer_id'] == $layer_id) {
$sql = "UPDATE layer_preview SET layer_map_preview_filename = $1, layer_extent_preview_filename = $2, layer_legend_preview_filename = $3 WHERE fkey_layer_id = $4";
$v = array($fileNameMap, $fileNameExtent, $fileNameLegend, $layer_id);
$t = array('s', 's', 's', 'i');
}
else {
$sql = "INSERT INTO layer_preview (fkey_layer_id, layer_map_preview_filename, layer_extent_preview_filename, layer_legend_preview_filename) VALUES ($1, $2, $3, $4)";
$v = array($layer_id, $fileNameMap, $fileNameExtent, $fileNameLegend);
$t = array('i', 's', 's', 's');
}
$res = db_prep_query($sql, $v, $t);
if (db_error()) {
echo "";
}
else {
echo "";
}
}
}
?>