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<?php |
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/** |
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* BytesFall ShapeFiles library |
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* |
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* The library implements the 2D variants of the ShapeFile format as defined in |
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* http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf. |
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* The library currently supports reading and editing of ShapeFiles and the |
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* Associated information (DBF file). |
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* |
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* @package bfShapeFiles |
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* @version 0.0.2 |
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* @link http://bfshapefiles.sourceforge.net/ |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GPLv2-or-later |
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* |
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* Copyright 2006-2007 Ovidio <ovidio AT users.sourceforge.net> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, you can download one from |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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*/ |
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namespace ShapeFile; |
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class ShapeRecord { |
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var $SHPFile = NULL; |
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var $DBFFile = NULL; |
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var $recordNumber = NULL; |
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var $shapeType = NULL; |
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var $lastError = ""; |
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var $SHPData = array(); |
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var $DBFData = array(); |
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public function __construct($shapeType) { |
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$this->shapeType = $shapeType; |
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} |
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function loadFromFile(&$SHPFile, &$DBFFile) { |
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$this->SHPFile = $SHPFile; |
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$this->DBFFile = $DBFFile; |
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$this->_loadHeaders(); |
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switch ($this->shapeType) { |
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case 0: |
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$this->_loadNullRecord(); |
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break; |
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case 1: |
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$this->_loadPointRecord(); |
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break; |
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case 21: |
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$this->_loadPointMRecord(); |
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break; |
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case 11: |
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$this->_loadPointZRecord(); |
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break; |
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case 3: |
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$this->_loadPolyLineRecord(); |
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break; |
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case 23: |
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$this->_loadPolyLineMRecord(); |
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break; |
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case 13: |
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$this->_loadPolyLineZRecord(); |
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break; |
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case 5: |
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$this->_loadPolygonRecord(); |
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break; |
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case 25: |
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$this->_loadPolygonMRecord(); |
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break; |
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case 15: |
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$this->_loadPolygonZRecord(); |
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break; |
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case 8: |
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$this->_loadMultiPointRecord(); |
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break; |
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case 28: |
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$this->_loadMultiPointMRecord(); |
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break; |
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case 18: |
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$this->_loadMultiPointZRecord(); |
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break; |
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default: |
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$this->setError(sprintf("The Shape Type '%s' is not supported.", $this->shapeType)); |
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break; |
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} |
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$this->_loadDBFData(); |
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} |
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function saveToFile(&$SHPFile, &$DBFFile, $recordNumber) { |
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$this->SHPFile = $SHPFile; |
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$this->DBFFile = $DBFFile; |
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$this->recordNumber = $recordNumber; |
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$this->_saveHeaders(); |
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switch ($this->shapeType) { |
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case 0: |
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$this->_saveNullRecord(); |
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break; |
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case 1: |
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$this->_savePointRecord(); |
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break; |
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case 21: |
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$this->_savePointMRecord(); |
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break; |
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case 11: |
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$this->_savePointZRecord(); |
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break; |
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case 3: |
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$this->_savePolyLineRecord(); |
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break; |
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case 23: |
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$this->_savePolyLineMRecord(); |
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break; |
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case 13: |
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$this->_savePolyLineZRecord(); |
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break; |
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case 5: |
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$this->_savePolygonRecord(); |
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break; |
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case 25: |
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$this->_savePolygonMRecord(); |
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break; |
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case 15: |
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$this->_savePolygonZRecord(); |
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break; |
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case 8: |
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$this->_saveMultiPointRecord(); |
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break; |
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case 28: |
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$this->_saveMultiPointMRecord(); |
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break; |
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case 18: |
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$this->_saveMultiPointZRecord(); |
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break; |
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default: |
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$this->setError(sprintf("The Shape Type '%s' is not supported.", $this->shapeType)); |
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break; |
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} |
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$this->_saveDBFData(); |
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} |
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function updateDBFInfo($header) { |
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$tmp = $this->DBFData; |
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unset($this->DBFData); |
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$this->DBFData = array(); |
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reset($header); |
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while (list($key, $value) = each($header)) { |
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$this->DBFData[$value[0]] = (isset($tmp[$value[0]])) ? $tmp[$value[0]] : ""; |
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} |
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} |
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function _loadHeaders() { |
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$this->recordNumber = Util::loadData("N", fread($this->SHPFile, 4)); |
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$tmp = Util::loadData("N", fread($this->SHPFile, 4)); //We read the length of the record |
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$this->shapeType = Util::loadData("V", fread($this->SHPFile, 4)); |
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} |
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function _saveHeaders() { |
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fwrite($this->SHPFile, pack("N", $this->recordNumber)); |
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fwrite($this->SHPFile, pack("N", $this->getContentLength())); |
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fwrite($this->SHPFile, pack("V", $this->shapeType)); |
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} |
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function _loadPoint() { |
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$data = array(); |
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$data["x"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["y"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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return $data; |
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} |
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function _loadPointM() { |
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$data = array(); |
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$data["x"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["y"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["m"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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return $data; |
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} |
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function _loadPointZ() { |
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$data = array(); |
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$data["x"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["y"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["z"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$data["m"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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return $data; |
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} |
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function _savePoint($data) { |
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fwrite($this->SHPFile, Util::packDouble($data["x"])); |
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fwrite($this->SHPFile, Util::packDouble($data["y"])); |
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} |
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function _savePointM($data) { |
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fwrite($this->SHPFile, Util::packDouble($data["x"])); |
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fwrite($this->SHPFile, Util::packDouble($data["y"])); |
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fwrite($this->SHPFile, Util::packDouble($data["m"])); |
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} |
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function _savePointZ($data) { |
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fwrite($this->SHPFile, Util::packDouble($data["x"])); |
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fwrite($this->SHPFile, Util::packDouble($data["y"])); |
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fwrite($this->SHPFile, Util::packDouble($data["z"])); |
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fwrite($this->SHPFile, Util::packDouble($data["m"])); |
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} |
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function _saveMeasure($data) { |
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fwrite($this->SHPFile, Util::packDouble($data["m"])); |
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} |
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function _saveZCoordinate($data) { |
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fwrite($this->SHPFile, Util::packDouble($data["z"])); |
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} |
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function _loadNullRecord() { |
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$this->SHPData = array(); |
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} |
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function _saveNullRecord() { |
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//Don't save anything |
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} |
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function _loadPointRecord() { |
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$this->SHPData = $this->_loadPoint(); |
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} |
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function _loadPointMRecord() { |
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$this->SHPData = $this->_loadPointM(); |
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} |
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248
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function _loadPointZRecord() { |
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$this->SHPData = $this->_loadPointZ(); |
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} |
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function _savePointRecord() { |
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$this->_savePoint($this->SHPData); |
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} |
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255
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256
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function _savePointMRecord() { |
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257
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$this->_savePointM($this->SHPData); |
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258
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} |
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259
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260
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function _savePointZRecord() { |
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261
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$this->_savePointZ($this->SHPData); |
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} |
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264
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function _loadMultiPointRecord() { |
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265
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$this->SHPData = array(); |
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$this->SHPData["xmin"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$this->SHPData["ymin"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$this->SHPData["xmax"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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$this->SHPData["ymax"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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271
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$this->SHPData["numpoints"] = Util::loadData("V", fread($this->SHPFile, 4)); |
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273
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View Code Duplication |
for ($i = 0; $i <= $this->SHPData["numpoints"]; $i++) { |
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274
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$this->SHPData["points"][] = $this->_loadPoint(); |
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275
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} |
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276
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} |
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277
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278
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function _loadMultiPointMZRecord( $type ) { |
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279
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280
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$this->SHPData[$type."min"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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281
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$this->SHPData[$type."max"] = Util::loadData("d", fread($this->SHPFile, 8)); |
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282
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283
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View Code Duplication |
for ($i = 0; $i <= $this->SHPData["numpoints"]; $i++) { |
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284
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$this->SHPData["points"][$i][$type] = Util::loadData("d", fread($this->SHPFile, 8)); |
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285
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} |
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286
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} |
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287
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288
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function _loadMultiPointMRecord() { |
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289
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$this->_loadMultiPointRecord(); |
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290
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291
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$this->_loadMultiPointMZRecord("m"); |
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292
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} |
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293
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294
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function _loadMultiPointZRecord() { |
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295
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$this->_loadMultiPointRecord(); |
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296
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297
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$this->_loadMultiPointMZRecord("z"); |
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298
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$this->_loadMultiPointMZRecord("m"); |
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299
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} |
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300
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|
|
|
301
|
|
|
function _saveMultiPointRecord() { |
|
|
|
|
|
|
302
|
|
|
fwrite($this->SHPFile, pack("dddd", $this->SHPData["xmin"], $this->SHPData["ymin"], $this->SHPData["xmax"], $this->SHPData["ymax"])); |
|
303
|
|
|
|
|
304
|
|
|
fwrite($this->SHPFile, pack("V", $this->SHPData["numpoints"])); |
|
305
|
|
|
|
|
306
|
|
View Code Duplication |
for ($i = 0; $i <= $this->SHPData["numpoints"]; $i++) { |
|
|
|
|
|
|
307
|
|
|
$this->_savePoint($this->SHPData["points"][$i]); |
|
308
|
|
|
} |
|
309
|
|
|
} |
|
310
|
|
|
|
|
311
|
|
|
function _saveMultiPointMZRecord( $type ) { |
|
|
|
|
|
|
312
|
|
|
|
|
313
|
|
|
fwrite($this->SHPFile, pack("dd", $this->SHPData[$type."min"], $this->SHPData[$type."max"])); |
|
314
|
|
|
|
|
315
|
|
View Code Duplication |
for ($i = 0; $i <= $this->SHPData["numpoints"]; $i++) { |
|
|
|
|
|
|
316
|
|
|
fwrite($this->SHPFile, Util::packDouble($this->SHPData["points"][$type])); |
|
317
|
|
|
} |
|
318
|
|
|
} |
|
319
|
|
|
|
|
320
|
|
|
function _saveMultiPointMRecord() { |
|
|
|
|
|
|
321
|
|
|
$this->_saveMultiPointRecord(); |
|
322
|
|
|
|
|
323
|
|
|
$this->_saveMultiPointMZRecord("m"); |
|
324
|
|
|
} |
|
325
|
|
|
|
|
326
|
|
|
function _saveMultiPointZRecord() { |
|
|
|
|
|
|
327
|
|
|
$this->_saveMultiPointRecord(); |
|
328
|
|
|
|
|
329
|
|
|
$this->_saveMultiPointMZRecord("z"); |
|
330
|
|
|
$this->_saveMultiPointMZRecord("m"); |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
function _loadPolyLineRecord() { |
|
|
|
|
|
|
334
|
|
|
$this->SHPData = array(); |
|
335
|
|
|
$this->SHPData["xmin"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
336
|
|
|
$this->SHPData["ymin"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
337
|
|
|
$this->SHPData["xmax"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
338
|
|
|
$this->SHPData["ymax"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
339
|
|
|
|
|
340
|
|
|
$this->SHPData["numparts"] = Util::loadData("V", fread($this->SHPFile, 4)); |
|
341
|
|
|
$this->SHPData["numpoints"] = Util::loadData("V", fread($this->SHPFile, 4)); |
|
342
|
|
|
|
|
343
|
|
View Code Duplication |
for ($i = 0; $i < $this->SHPData["numparts"]; $i++) { |
|
|
|
|
|
|
344
|
|
|
$this->SHPData["parts"][$i] = Util::loadData("V", fread($this->SHPFile, 4)); |
|
345
|
|
|
} |
|
346
|
|
|
|
|
347
|
|
|
$firstIndex = ftell($this->SHPFile); |
|
348
|
|
|
$readPoints = 0; |
|
349
|
|
|
reset($this->SHPData["parts"]); |
|
350
|
|
|
while (list($partIndex, $partData) = each($this->SHPData["parts"])) { |
|
|
|
|
|
|
351
|
|
|
if (!isset($this->SHPData["parts"][$partIndex]["points"]) || !is_array($this->SHPData["parts"][$partIndex]["points"])) { |
|
352
|
|
|
$this->SHPData["parts"][$partIndex] = array(); |
|
353
|
|
|
$this->SHPData["parts"][$partIndex]["points"] = array(); |
|
354
|
|
|
} |
|
355
|
|
|
while (!in_array($readPoints, $this->SHPData["parts"]) && ($readPoints < ($this->SHPData["numpoints"])) && !feof($this->SHPFile)) { |
|
356
|
|
|
$this->SHPData["parts"][$partIndex]["points"][] = $this->_loadPoint(); |
|
357
|
|
|
$readPoints++; |
|
358
|
|
|
} |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
fseek($this->SHPFile, $firstIndex + ($readPoints*16)); |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
function _loadPolyLineMZRecord( $type ) { |
|
|
|
|
|
|
365
|
|
|
|
|
366
|
|
|
$this->SHPData[$type."min"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
367
|
|
|
$this->SHPData[$type."max"] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
368
|
|
|
|
|
369
|
|
|
$firstIndex = ftell($this->SHPFile); |
|
370
|
|
|
$readPoints = 0; |
|
371
|
|
|
reset($this->SHPData["parts"]); |
|
372
|
|
|
while (list($partIndex, $partData) = each($this->SHPData["parts"])) { |
|
|
|
|
|
|
373
|
|
|
while (!in_array($readPoints, $this->SHPData["parts"]) && ($readPoints < ($this->SHPData["numpoints"])) && !feof($this->SHPFile)) { |
|
374
|
|
|
$this->SHPData["parts"][$partIndex]["points"][$readPoints][$type] = Util::loadData("d", fread($this->SHPFile, 8)); |
|
375
|
|
|
$readPoints++; |
|
376
|
|
|
} |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
fseek($this->SHPFile, $firstIndex + ($readPoints*24)); |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
function _loadPolyLineMRecord() { |
|
|
|
|
|
|
383
|
|
|
$this->_loadPolyLineRecord(); |
|
384
|
|
|
|
|
385
|
|
|
$this->_loadPolyLineMZRecord("m"); |
|
386
|
|
|
} |
|
387
|
|
|
|
|
388
|
|
|
function _loadPolyLineZRecord() { |
|
|
|
|
|
|
389
|
|
|
$this->_loadPolyLineRecord(); |
|
390
|
|
|
|
|
391
|
|
|
$this->_loadPolyLineMZRecord("z"); |
|
392
|
|
|
$this->_loadPolyLineMZRecord("m"); |
|
393
|
|
|
} |
|
394
|
|
|
|
|
395
|
|
|
function _savePolyLineRecord() { |
|
|
|
|
|
|
396
|
|
|
fwrite($this->SHPFile, pack("dddd", $this->SHPData["xmin"], $this->SHPData["ymin"], $this->SHPData["xmax"], $this->SHPData["ymax"])); |
|
397
|
|
|
|
|
398
|
|
|
fwrite($this->SHPFile, pack("VV", $this->SHPData["numparts"], $this->SHPData["numpoints"])); |
|
399
|
|
|
|
|
400
|
|
|
for ($i = 0; $i < $this->SHPData["numparts"]; $i++) { |
|
401
|
|
|
fwrite($this->SHPFile, pack("V", count($this->SHPData["parts"][$i])-1)); |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
foreach ($this->SHPData["parts"] as $partData){ |
|
405
|
|
|
reset($partData["points"]); |
|
406
|
|
|
while (list($pointIndex, $pointData) = each($partData["points"])) { |
|
|
|
|
|
|
407
|
|
|
$this->_savePoint($pointData); |
|
408
|
|
|
} |
|
409
|
|
|
} |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
function _savePolyLineMZRecord( $type ) { |
|
|
|
|
|
|
413
|
|
|
fwrite($this->SHPFile, pack("dd", $this->SHPData[$type."min"], $this->SHPData[$type."max"])); |
|
414
|
|
|
|
|
415
|
|
|
foreach ($this->SHPData["parts"] as $partData){ |
|
416
|
|
|
reset($partData["points"]); |
|
417
|
|
|
while (list($pointIndex, $pointData) = each($partData["points"])) { |
|
|
|
|
|
|
418
|
|
|
fwrite($this->SHPFile, Util::packDouble($pointData[$type])); |
|
419
|
|
|
} |
|
420
|
|
|
} |
|
421
|
|
|
} |
|
422
|
|
|
|
|
423
|
|
|
function _savePolyLineMRecord() { |
|
|
|
|
|
|
424
|
|
|
$this->_savePolyLineRecord(); |
|
425
|
|
|
|
|
426
|
|
|
$this->_savePolyLineMZRecord("m"); |
|
427
|
|
|
} |
|
428
|
|
|
|
|
429
|
|
|
function _savePolyLineZRecord() { |
|
|
|
|
|
|
430
|
|
|
$this->_savePolyLineRecord(); |
|
431
|
|
|
|
|
432
|
|
|
$this->_savePolyLineMZRecord("z"); |
|
433
|
|
|
$this->_savePolyLineMZRecord("m"); |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
function _loadPolygonRecord() { |
|
|
|
|
|
|
437
|
|
|
$this->_loadPolyLineRecord(); |
|
438
|
|
|
} |
|
439
|
|
|
|
|
440
|
|
|
function _loadPolygonMRecord() { |
|
|
|
|
|
|
441
|
|
|
$this->_loadPolyLineMRecord(); |
|
442
|
|
|
} |
|
443
|
|
|
|
|
444
|
|
|
function _loadPolygonZRecord() { |
|
|
|
|
|
|
445
|
|
|
$this->_loadPolyLineZRecord(); |
|
446
|
|
|
} |
|
447
|
|
|
|
|
448
|
|
|
function _savePolygonRecord() { |
|
|
|
|
|
|
449
|
|
|
$this->_savePolyLineRecord(); |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
function _savePolygonMRecord() { |
|
|
|
|
|
|
453
|
|
|
$this->_savePolyLineMRecord(); |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
function _savePolygonZRecord() { |
|
|
|
|
|
|
457
|
|
|
$this->_savePolyLineZRecord(); |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
function addPoint($point, $partIndex = 0) { |
|
|
|
|
|
|
461
|
|
|
switch ($this->shapeType) { |
|
462
|
|
|
case 0: |
|
463
|
|
|
//Don't add anything |
|
464
|
|
|
break; |
|
465
|
|
|
case 1: |
|
466
|
|
|
case 11: |
|
467
|
|
|
case 21: |
|
468
|
|
View Code Duplication |
if (in_array($this->shapeType,array(11,21)) && !isset($point["m"])) $point["m"] = 0.0; // no_value |
|
|
|
|
|
|
469
|
|
View Code Duplication |
if (in_array($this->shapeType,array(11)) && !isset($point["z"])) $point["z"] = 0.0; // no_value |
|
|
|
|
|
|
470
|
|
|
//Substitutes the value of the current point |
|
471
|
|
|
$this->SHPData = $point; |
|
472
|
|
|
break; |
|
473
|
|
|
case 3: |
|
474
|
|
|
case 5: |
|
475
|
|
|
case 13: |
|
476
|
|
|
case 15: |
|
477
|
|
|
case 23: |
|
478
|
|
|
case 25: |
|
479
|
|
View Code Duplication |
if (in_array($this->shapeType,array(13,15,23,25)) && !isset($point["m"])) $point["m"] = 0.0; // no_value |
|
|
|
|
|
|
480
|
|
View Code Duplication |
if (in_array($this->shapeType,array(13,15)) && !isset($point["z"])) $point["z"] = 0.0; // no_value |
|
|
|
|
|
|
481
|
|
|
|
|
482
|
|
|
//Adds a new point to the selected part |
|
483
|
|
View Code Duplication |
if (!isset($this->SHPData["xmin"]) || ($this->SHPData["xmin"] > $point["x"])) $this->SHPData["xmin"] = $point["x"]; |
|
|
|
|
|
|
484
|
|
View Code Duplication |
if (!isset($this->SHPData["ymin"]) || ($this->SHPData["ymin"] > $point["y"])) $this->SHPData["ymin"] = $point["y"]; |
|
|
|
|
|
|
485
|
|
View Code Duplication |
if (isset($point["m"]) && (!isset($this->SHPData["mmin"]) || ($this->SHPData["mmin"] > $point["m"]))) $this->SHPData["mmin"] = $point["m"]; |
|
|
|
|
|
|
486
|
|
View Code Duplication |
if (isset($point["z"]) && (!isset($this->SHPData["zmin"]) || ($this->SHPData["zmin"] > $point["z"]))) $this->SHPData["zmin"] = $point["z"]; |
|
|
|
|
|
|
487
|
|
View Code Duplication |
if (!isset($this->SHPData["xmax"]) || ($this->SHPData["xmax"] < $point["x"])) $this->SHPData["xmax"] = $point["x"]; |
|
|
|
|
|
|
488
|
|
View Code Duplication |
if (!isset($this->SHPData["ymax"]) || ($this->SHPData["ymax"] < $point["y"])) $this->SHPData["ymax"] = $point["y"]; |
|
|
|
|
|
|
489
|
|
View Code Duplication |
if (isset($point["m"]) && (!isset($this->SHPData["mmax"]) || ($this->SHPData["mmax"] < $point["m"]))) $this->SHPData["mmax"] = $point["m"]; |
|
|
|
|
|
|
490
|
|
View Code Duplication |
if (isset($point["z"]) && (!isset($this->SHPData["zmax"]) || ($this->SHPData["zmax"] < $point["z"]))) $this->SHPData["zmax"] = $point["z"]; |
|
|
|
|
|
|
491
|
|
|
|
|
492
|
|
|
$this->SHPData["parts"][$partIndex]["points"][] = $point; |
|
493
|
|
|
|
|
494
|
|
|
$this->SHPData["numparts"] = count($this->SHPData["parts"]); |
|
495
|
|
|
$this->SHPData["numpoints"] = 1 + (isset($this->SHPData["numpoints"])?$this->SHPData["numpoints"]:0); |
|
496
|
|
|
break; |
|
497
|
|
|
case 8: |
|
498
|
|
|
case 18: |
|
499
|
|
|
case 28: |
|
500
|
|
View Code Duplication |
if (in_array($this->shapeType,array(18,28)) && !isset($point["m"])) $point["m"] = 0.0; // no_value |
|
|
|
|
|
|
501
|
|
View Code Duplication |
if (in_array($this->shapeType,array(18)) && !isset($point["z"])) $point["z"] = 0.0; // no_value |
|
|
|
|
|
|
502
|
|
|
|
|
503
|
|
|
//Adds a new point |
|
504
|
|
View Code Duplication |
if (!isset($this->SHPData["xmin"]) || ($this->SHPData["xmin"] > $point["x"])) $this->SHPData["xmin"] = $point["x"]; |
|
|
|
|
|
|
505
|
|
View Code Duplication |
if (!isset($this->SHPData["ymin"]) || ($this->SHPData["ymin"] > $point["y"])) $this->SHPData["ymin"] = $point["y"]; |
|
|
|
|
|
|
506
|
|
View Code Duplication |
if (isset($point["m"]) && (!isset($this->SHPData["mmin"]) || ($this->SHPData["mmin"] > $point["m"]))) $this->SHPData["mmin"] = $point["m"]; |
|
|
|
|
|
|
507
|
|
View Code Duplication |
if (isset($point["z"]) && (!isset($this->SHPData["zmin"]) || ($this->SHPData["zmin"] > $point["z"]))) $this->SHPData["zmin"] = $point["z"]; |
|
|
|
|
|
|
508
|
|
View Code Duplication |
if (!isset($this->SHPData["xmax"]) || ($this->SHPData["xmax"] < $point["x"])) $this->SHPData["xmax"] = $point["x"]; |
|
|
|
|
|
|
509
|
|
View Code Duplication |
if (!isset($this->SHPData["ymax"]) || ($this->SHPData["ymax"] < $point["y"])) $this->SHPData["ymax"] = $point["y"]; |
|
|
|
|
|
|
510
|
|
View Code Duplication |
if (isset($point["m"]) && (!isset($this->SHPData["mmax"]) || ($this->SHPData["mmax"] < $point["m"]))) $this->SHPData["mmax"] = $point["m"]; |
|
|
|
|
|
|
511
|
|
View Code Duplication |
if (isset($point["z"]) && (!isset($this->SHPData["zmax"]) || ($this->SHPData["zmax"] < $point["z"]))) $this->SHPData["zmax"] = $point["z"]; |
|
|
|
|
|
|
512
|
|
|
|
|
513
|
|
|
$this->SHPData["points"][] = $point; |
|
514
|
|
|
$this->SHPData["numpoints"] = 1 + (isset($this->SHPData["numpoints"])?$this->SHPData["numpoints"]:0); |
|
515
|
|
|
break; |
|
516
|
|
|
default: |
|
517
|
|
|
$this->setError(sprintf("The Shape Type '%s' is not supported.", $this->shapeType)); |
|
518
|
|
|
break; |
|
519
|
|
|
} |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
|
|
function deletePoint($pointIndex = 0, $partIndex = 0) { |
|
|
|
|
|
|
523
|
|
|
switch ($this->shapeType) { |
|
524
|
|
|
case 0: |
|
525
|
|
|
//Don't delete anything |
|
526
|
|
|
break; |
|
527
|
|
|
case 1: |
|
528
|
|
|
case 11: |
|
529
|
|
|
case 21: |
|
530
|
|
|
//Sets the value of the point to zero |
|
531
|
|
|
$this->SHPData["x"] = 0.0; |
|
532
|
|
|
$this->SHPData["y"] = 0.0; |
|
533
|
|
|
if (in_array($this->shapeType,array(11,21))) $this->SHPData["m"] = 0.0; |
|
534
|
|
|
if (in_array($this->shapeType,array(11))) $this->SHPData["z"] = 0.0; |
|
535
|
|
|
break; |
|
536
|
|
|
case 3: |
|
537
|
|
|
case 5: |
|
538
|
|
|
case 13: |
|
539
|
|
|
case 15: |
|
540
|
|
|
case 23: |
|
541
|
|
|
case 25: |
|
542
|
|
|
//Deletes the point from the selected part, if exists |
|
543
|
|
|
if (isset($this->SHPData["parts"][$partIndex]) && isset($this->SHPData["parts"][$partIndex]["points"][$pointIndex])) { |
|
544
|
|
|
for ($i = $pointIndex; $i < (count($this->SHPData["parts"][$partIndex]["points"]) - 1); $i++) { |
|
545
|
|
|
$this->SHPData["parts"][$partIndex]["points"][$i] = $this->SHPData["parts"][$partIndex]["points"][$i + 1]; |
|
546
|
|
|
} |
|
547
|
|
|
unset($this->SHPData["parts"][$partIndex]["points"][count($this->SHPData["parts"][$partIndex]["points"]) - 1]); |
|
548
|
|
|
|
|
549
|
|
|
$this->SHPData["numparts"] = count($this->SHPData["parts"]); |
|
550
|
|
|
$this->SHPData["numpoints"]--; |
|
551
|
|
|
} |
|
552
|
|
|
break; |
|
553
|
|
|
case 8: |
|
554
|
|
|
case 18: |
|
555
|
|
|
case 28: |
|
556
|
|
|
//Deletes the point, if exists |
|
557
|
|
|
if (isset($this->SHPData["points"][$pointIndex])) { |
|
558
|
|
|
for ($i = $pointIndex; $i < (count($this->SHPData["points"]) - 1); $i++) { |
|
559
|
|
|
$this->SHPData["points"][$i] = $this->SHPData["points"][$i + 1]; |
|
560
|
|
|
} |
|
561
|
|
|
unset($this->SHPData["points"][count($this->SHPData["points"]) - 1]); |
|
562
|
|
|
|
|
563
|
|
|
$this->SHPData["numpoints"]--; |
|
564
|
|
|
} |
|
565
|
|
|
break; |
|
566
|
|
|
default: |
|
567
|
|
|
$this->setError(sprintf("The Shape Type '%s' is not supported.", $this->shapeType)); |
|
568
|
|
|
break; |
|
569
|
|
|
} |
|
570
|
|
|
} |
|
571
|
|
|
|
|
572
|
|
|
function getContentLength() { |
|
|
|
|
|
|
573
|
|
|
// The content length for a record is the length of the record contents section measured in 16-bit words. |
|
574
|
|
|
// one coordinate makes 4 16-bit words (64 bit double) |
|
575
|
|
|
switch ($this->shapeType) { |
|
576
|
|
|
case 0: |
|
577
|
|
|
$result = 0; |
|
578
|
|
|
break; |
|
579
|
|
|
case 1: |
|
580
|
|
|
$result = 10; |
|
581
|
|
|
break; |
|
582
|
|
|
case 21: |
|
583
|
|
|
$result = 10 + 4; |
|
584
|
|
|
break; |
|
585
|
|
|
case 11: |
|
586
|
|
|
$result = 10 + 8; |
|
587
|
|
|
break; |
|
588
|
|
|
case 3: |
|
589
|
|
|
case 5: |
|
590
|
|
|
$result = 22 + 2*count($this->SHPData["parts"]); |
|
591
|
|
|
for ($i = 0; $i < count($this->SHPData["parts"]); $i++) { |
|
|
|
|
|
|
592
|
|
|
$result += 8*count($this->SHPData["parts"][$i]["points"]); |
|
593
|
|
|
} |
|
594
|
|
|
break; |
|
595
|
|
|
case 23: |
|
596
|
|
View Code Duplication |
case 25: |
|
|
|
|
|
|
597
|
|
|
$result = 22 + (2*4) + 2*count($this->SHPData["parts"]); |
|
598
|
|
|
for ($i = 0; $i < count($this->SHPData["parts"]); $i++) { |
|
|
|
|
|
|
599
|
|
|
$result += (8+4)*count($this->SHPData["parts"][$i]["points"]); |
|
600
|
|
|
} |
|
601
|
|
|
break; |
|
602
|
|
|
case 13: |
|
603
|
|
View Code Duplication |
case 15: |
|
|
|
|
|
|
604
|
|
|
$result = 22 + (4*4) + 2*count($this->SHPData["parts"]); |
|
605
|
|
|
for ($i = 0; $i < count($this->SHPData["parts"]); $i++) { |
|
|
|
|
|
|
606
|
|
|
$result += (8+8)*count($this->SHPData["parts"][$i]["points"]); |
|
607
|
|
|
} |
|
608
|
|
|
break; |
|
609
|
|
|
case 8: |
|
610
|
|
|
$result = 20 + 8*count($this->SHPData["points"]); |
|
611
|
|
|
break; |
|
612
|
|
View Code Duplication |
case 28: |
|
|
|
|
|
|
613
|
|
|
$result = 20 + (2*4) + (8+4)*count($this->SHPData["points"]); |
|
614
|
|
|
break; |
|
615
|
|
View Code Duplication |
case 18: |
|
|
|
|
|
|
616
|
|
|
$result = 20 + (4*4) + (8+8)*count($this->SHPData["points"]); |
|
617
|
|
|
break; |
|
618
|
|
|
default: |
|
619
|
|
|
$result = false; |
|
620
|
|
|
$this->setError(sprintf("The Shape Type '%s' is not supported.", $this->shapeType)); |
|
621
|
|
|
break; |
|
622
|
|
|
} |
|
623
|
|
|
return $result; |
|
624
|
|
|
} |
|
625
|
|
|
|
|
626
|
|
|
function _loadDBFData() { |
|
|
|
|
|
|
627
|
|
|
$this->DBFData = @dbase_get_record_with_names($this->DBFFile, $this->recordNumber); |
|
628
|
|
|
unset($this->DBFData["deleted"]); |
|
629
|
|
|
} |
|
630
|
|
|
|
|
631
|
|
|
function _saveDBFData() { |
|
|
|
|
|
|
632
|
|
|
unset($this->DBFData["deleted"]); |
|
633
|
|
|
if ($this->recordNumber <= dbase_numrecords($this->DBFFile)) { |
|
634
|
|
|
if (!dbase_replace_record($this->DBFFile, array_values($this->DBFData), $this->recordNumber)) { |
|
635
|
|
|
$this->setError("I wasn't possible to update the information in the DBF file."); |
|
636
|
|
|
} |
|
637
|
|
|
} else { |
|
638
|
|
|
if (!dbase_add_record($this->DBFFile, array_values($this->DBFData))) { |
|
639
|
|
|
$this->setError("I wasn't possible to add the information to the DBF file."); |
|
640
|
|
|
} |
|
641
|
|
|
} |
|
642
|
|
|
} |
|
643
|
|
|
|
|
644
|
|
|
function setError($error) { |
|
|
|
|
|
|
645
|
|
|
$this->lastError = $error; |
|
646
|
|
|
return false; |
|
647
|
|
|
} |
|
648
|
|
|
} |
|
649
|
|
|
|
phpmyadmin /
shapefile
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The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.