public function setSldFolderUrl($folder)
{
if (!empty($folder)) {
$this->sldFolderUrl = R3OgcMapUtils::addPrefixToRelativeUrl($folder);
}
}
protected function downloadImages()
{
if (empty($this->wms)) {
throw new Exception('No WMS to query');
}
$n = 0;
foreach ($this->wms as $wmsKey => $wmsData) {
$n++;
$separator = '';
if (!strpos($wmsData['url'], '?')) {
$separator = '?';
} else {
$lastChar = substr($wmsData['url'], 0, -1);
if ($lastChar != '?') {
if ($lastChar != '&' && substr($wmsData['url'], 0, -4) != '&') {
$separator = '&';
}
}
}
$parameters = array();
foreach ($wmsData['parameters'] as $parameterKey => $parameterValue) {
$parameters[strtoupper($parameterKey)] = $parameterValue;
}
$wmsData['parameters'] = $parameters;
$wmsData['parameters']['BBOX'] = implode(',', $this->extent);
$wmsData['parameters']['SERVICE'] = 'WMS';
$wmsData['parameters']['REQUEST'] = 'GetMap';
$wmsData['parameters']['VERSION'] = '1.1.1';
$wmsData['parameters']['WIDTH'] = $this->size[0];
$wmsData['parameters']['HEIGHT'] = $this->size[1];
#$wmsData['parameters']['FORMAT'] = 'image/png';
// Da precedenza ai parametri nell'url del WMS piuttosto che a quelli in $wmsData['parameters']
$urlParts = parse_url($wmsData['url']);
if (isset($urlParts['query'])) {
parse_str($urlParts['query'], $queryParams);
foreach ($queryParams as $key => $val) {
$key = strtoupper($key);
if (isset($wmsData['parameters'][$key])) {
unset($wmsData['parameters'][$key]);
}
}
}
$url = $wmsData['url'] . $separator . http_build_query($wmsData['parameters']);
//HACK: http_build_query trasforma da true a 1 e MS6 vuole true e non 1
$url = str_replace("TRANSPARENT=1", "TRANSPARENT=true", $url);
$this->wms[$wmsKey]['requesturl'] = $url;
//SG: PHP BUG #52339 https://bugs.php.net/bug.php?id=52339&edit=1
/*if (class_exists('R3AppInit')) {
$elapsedTime = sprintf("elapsed time: %.3f s", microtime(true) - R3AppInit::$startTime);
ezcLog::getInstance()->log(__METHOD__.", $elapsedTime, fetching $url", ezcLog::DEBUG);
}*/
$url = R3OgcMapUtils::addPrefixToRelativeUrl($url);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
$image = curl_exec($ch);
if (!$image) {
ezcLog::getInstance()->log("Error downloading image from [{$url}], curl error: [" . curl_error($ch) . "]", ezcLog::ERROR);
throw new Exception("Error downloading image");
}
curl_close($ch);
array_push($this->images, $image);
}
}
protected function getLegendImage($url, $tmpFileId)
{
$dest = $this->options['TMP_PATH'] . $tmpFileId . '.png';
$url = R3OgcMapUtils::addPrefixToRelativeUrl($url);
$ch = curl_init($url);
if (($fp = fopen($dest, "wb")) === FALSE) {
throw new Exception("Could not open {$dest}");
}
$options = array(CURLOPT_FILE => $fp, CURLOPT_HEADER => 0, CURLOPT_FOLLOWLOCATION => 1, CURLOPT_TIMEOUT => 60);
curl_setopt_array($ch, $options);
if (($rv = curl_exec($ch)) === FALSE) {
throw new Exception("Could not get data from {$url}");
}
curl_close($ch);
fclose($fp);
return $dest;
}