/**
* Upload a shapefile and load data to a WaterRequest
* @param string $id string representing the ID of a WaterRequest
* @throws CHttpException
*/
public function actionUpload($id)
{
$model = $this->loadModel($id);
//if(!$model)
// throw new CHttpException(400,'Invalid request. Wrong parameters. Model not found.');
if (!Yii::app()->user->checkAccess('updateWaterRequest', array('waterRequest' => $model))) {
throw new CHttpException(403, Yii::t('http_status', '403'));
}
$this->layout = '//layouts/column1';
$model->scenario = 'upload';
//Yii::log('Model loaded: '.print_r($model, true) , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
if (isset($_POST['WaterRequests'])) {
//Yii::log('Sto caricando un file' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$model->shpfile = CUploadedFile::getInstance($model, 'shpfile');
$model->shxfile = CUploadedFile::getInstance($model, 'shxfile');
$model->dbffile = CUploadedFile::getInstance($model, 'dbffile');
$model->fileproj = $_POST['WaterRequests']['fileproj'];
//Yii::log('shpfile='.print_r($model->shpfile, true) , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$shp_folder = Yii::app()->params['shp_upload_folder'];
if ($model->validate()) {
$all_saved = $model->shpfile->saveAs(Yii::app()->basePath . $shp_folder . $model->shpfile->getname()) && $model->shxfile != null ? $model->shxfile->saveAs(Yii::app()->basePath . $shp_folder . $model->shxfile->getname()) : true && $model->dbffile != null ? $model->dbffile->saveAs(Yii::app()->basePath . $shp_folder . $model->dbffile->getname()) : true;
if ($all_saved) {
//Yii::log('CARICATO!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$shpfile = Yii::app()->basePath . $shp_folder . $model->shpfile->getname();
if (isset($shpfile)) {
//echo 'DATI ESTRATTI:<pre>';
//echo "\n Il sistema di riferimento selezionato è: ".$model->fileproj. "\n";
$options = array('noparts' => false);
$shp = new ShapeFile($shpfile, $options);
// along this file the class will use file.shx and file.dbf
$i = 0;
while ($record = $shp->getNext()) {
$shp_data = $record->getShpData();
if (count($shp_data)) {
// read shape data
// store number of parts
$oneshot = 0;
$wkt = 'MULTIPOLYGON(';
foreach ($shp_data['parts'] as $part) {
$wkt = $wkt . ($oneshot++ == 0 ? '((' : ',((');
$coords = array();
foreach ($part['points'] as $point) {
$coords[] = round($point['x'], 2) . ',' . round($point['y'], 2);
}
$search = array(',', ';');
$replace = array(' ', ',');
$subject = implode(';', $coords);
$wkt = $wkt . str_replace($search, $replace, $subject);
$wkt = $wkt . '))';
}
$wkt = $wkt . ')';
$saveres = WaterRequestGeometries::save_geom($wkt, $id, $model->fileproj);
if ($saveres['result']) {
Yii::log('Salvataggio avvenuto con successo. ID inserito: ' . $saveres['newid'], CLogger::LEVEL_INFO, 'actionUpload');
} else {
Yii::log('Salvataggio non riuscito. WR_ID: ' . $id . ' iterazione: ' . $i, CLogger::LEVEL_INFO, 'actionUpload');
}
}
//echo "\n";
$i++;
}
//echo '</pre>';
}
$this->redirect(array('view', 'id' => $model->id));
/*
$this->render('upload',array(
'wr_id'=>$id,
'model'=>$model,
'shpfile'=>Yii::app()->basePath . $shp_folder . $model->shpfile->getname(),
));
*/
Yii::app()->end();
}
// else Yii::log('FAIL!!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
}
// else Yii::log('NON VALIDO!!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
}
$this->render('upload', array('wr_id' => $id, 'model' => $model));
}
function shp_parse_fh($fh, $more)
{
# See also:
# http://vis4.net/blog/de/2010/04/reading-esri-shapefiles-in-php/
fclose($fh);
$args = array('noparts' => true);
$shp = new ShapeFile($more['file']['path'], $args);
if (!$shp) {
return array('ok' => 0, 'error' => 'Failed to parse shapefile');
}
$data = array();
$errors = array();
$record = 0;
while ($record = $shp->getNext()) {
# This is mostly here if/when we break in $parts loop
if ($more['max_records'] && $record > $more['max_records']) {
break;
}
# What to do about file specific metadata?
$shp_data = $record->getShpData();
$parts = isset($shp_data['parts']) ? $shp_data['parts'] : array($shp_data);
foreach ($parts as $pt) {
$record++;
if ($more['max_records'] && $record > $more['max_records']) {
break;
}
$lat = $pt['y'];
$lon = $pt['x'];
if (!$lat || !$lon) {
continue;
}
# check $more for reprojection nonsense here
# the projection transformation stuff is very
# much bleeding edge still and may turn in to
# a yak (20110216/straup)
# loadlib("geo_proj");
# $from = 'EPSG:26943';
# $pt = array('latitude' => $lat, 'longitude' => $lon);
# $pt = geo_proj_transform($pt, $from, 'EPSG:4326');
if (!geo_utils_is_valid_latitude($lat)) {
$errors[] = array('record' => $record, 'column' => 'latitude', 'error' => 'Invalid latitude');
continue;
}
if (!geo_utils_is_valid_longitude($lon)) {
$errors[] = array('record' => $record, 'column' => 'longitude', 'error' => 'Invalid longitude');
continue;
}
$tmp = array('latitude' => $lat, 'longitude' => $lon);
$data[] = $tmp;
}
}
if (!count($data)) {
return array('ok' => 0, 'error' => '');
}
return array('ok' => 1, 'errors' => &$errors, 'data' => &$data);
}
function upload()
{
require_once APPPATH . 'third_party/ShapeFile.php';
require_once APPPATH . 'third_party/Simplify.php';
$options = array('noparts' => false);
try {
$shp = new ShapeFile($_FILES['shp_file']['tmp_name'], null, $options);
$polygons = array();
while ($record = $shp->getNext()) {
$shpData = $record->getShpData();
foreach ($shpData['parts'] as $part) {
$polygons[] = Simplify::line($part['points'], count($part['points']) / 1000000);
}
}
} catch (Exception $e) {
$this->session->set_flashdata('error', $e->getMessage());
}
$this->user_polygons_model->save(array('user_id' => $this->tank_auth->get_user_id(), 'name' => $_FILES['shp_file']['name'], 'points' => json_encode($polygons)));
redirect('/areas');
}
static function readRecordPoint(&$fp, $create_object = false, $options = null)
{
$data = array();
$data['x'] = ShapeFile::readAndUnpack('d', fread($fp, 8));
$data['y'] = ShapeFile::readAndUnpack('d', fread($fp, 8));
////_d("Returning Point shp_data array = ".getArray($data));
return $data;
}
<?php
require_once '../shapefile.php';
try {
echo "Creating Point Shapefile <br/>";
$ShapeFile = new ShapeFile('point.shp');
$ShapeFile->addPoint(array("x" => 3, "y" => 4));
$ShapeFile->addPoint(array("x" => 15, "y" => 15));
$ShapeFile->addPoint(array("x" => -25, "y" => 15));
$ShapeFile->write();
echo "Creating Multipoint Shapefile <br/>";
$ShapeFile = new ShapeFile('multipoint.shp');
$ShapeFile->addMultipoint(array(array("x" => 3, "y" => 4), array("x" => 15, "y" => 15), array("x" => -25, "y" => 13)));
$ShapeFile->addMultipoint(array(array("x" => 1, "y" => 5), array("x" => 2, "y" => -9), array("x" => -4, "y" => 4)));
$ShapeFile->write();
echo "Creating Polyline Shapefile <br/>";
$ShapeFile = new ShapeFile('polyline.shp');
$ShapeFile->addPolyline(array(array(array("x" => 3, "y" => 4), array("x" => 15, "y" => 15), array("x" => -25, "y" => 13)), array(array("x" => 1, "y" => 5), array("x" => 2, "y" => -9), array("x" => -4, "y" => 4))));
$ShapeFile->addPolyline(array(array(array("x" => 1, "y" => 1), array("x" => 9, "y" => 81), array("x" => 10, "y" => 100)), array(array("x" => -1, "y" => 1), array("x" => -3, "y" => 9), array("x" => -6, "y" => 36))));
$ShapeFile->write();
echo "Creating Polygon Shapefile <br/>";
$ShapeFile = new ShapeFile('polygon.shp');
$ShapeFile->addPolygon(array(array(array("x" => 1, "y" => 1), array("x" => 1, "y" => 10), array("x" => 10, "y" => 10), array("x" => 10, "y" => 1), array("x" => 1, "y" => 1)), array(array("x" => 2, "y" => 2), array("x" => 9, "y" => 2), array("x" => 5, "y" => 9), array("x" => 2, "y" => 2))));
$ShapeFile->write();
} catch (ShapeFileException $e) {
exit('Error ' . $e->getCode() . ': ' . $e->getMessage());
}
?>
</p>
<p>Done. Please go back in your web browser.</p>
</body>
</html>
<html>
<head>
<title>Multipoint</title>
</head>
<body>
<h3>Reading Multipoint Shapefile</h3>
<?php
require_once '../shapefile.php';
try {
$ShapeFile = new ShapeFile('multipoint.shp');
echo "<pre>";
while ($record = $ShapeFile->getRecord(SHAPEFILE::GEOMETRY_ARRAY)) {
if ($record['dbf']['deleted']) {
echo "Deleted\n";
continue;
}
// Geometry
print_r($record['shp']);
// DBF Data
print_r($record['dbf']);
}
} catch (ShapeFileException $e) {
exit('Error ' . $e->getCode() . ': ' . $e->getMessage());
}
?>
</body>
</html>
/**
* Loads DBF file if supported
*
* @return boolean
*/
private function _openDBFFile()
{
if (!ShapeFile::supports_dbase()) {
$this->DBFFile = null;
return true;
}
$dbf_name = $this->_getFilename('.dbf');
if (is_readable($dbf_name)) {
$this->DBFFile = @dbase_open($dbf_name, 0);
if (!$this->DBFFile) {
$this->setError(sprintf('It wasn\'t possible to open the DBase file "%s"', $dbf_name));
return false;
}
} else {
$this->setError(sprintf('It wasn\'t possible to find the DBase file "%s"', $dbf_name));
return false;
}
return true;
}
/**
* Saves record to files
*
* @param file &$SHPFile Opened SHP file
* @param file &$DBFFile Opened DBF file
* @param integer $recordNumber Record number
*
* @return void
*/
public function saveToFile(&$SHPFile, &$DBFFile, $recordNumber)
{
$this->SHPFile = $SHPFile;
$this->DBFFile = $DBFFile;
$this->recordNumber = $recordNumber;
$this->_saveHeaders();
switch ($this->shapeType) {
case 0:
// Nothing to save
break;
case 1:
$this->_savePointRecord();
break;
case 21:
$this->_savePointMRecord();
break;
case 11:
$this->_savePointZRecord();
break;
case 3:
$this->_savePolyLineRecord();
break;
case 23:
$this->_savePolyLineMRecord();
break;
case 13:
$this->_savePolyLineZRecord();
break;
case 5:
$this->_savePolygonRecord();
break;
case 25:
$this->_savePolygonMRecord();
break;
case 15:
$this->_savePolygonZRecord();
break;
case 8:
$this->_saveMultiPointRecord();
break;
case 28:
$this->_saveMultiPointMRecord();
break;
case 18:
$this->_saveMultiPointZRecord();
break;
default:
$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType));
break;
}
if (ShapeFile::supports_dbase() && !is_null($this->DBFFile)) {
$this->_saveDBFData();
}
}
