diff options
Diffstat (limited to 'navit/script/mapextract.php')
| -rw-r--r-- | navit/script/mapextract.php | 450 |
1 files changed, 225 insertions, 225 deletions
diff --git a/navit/script/mapextract.php b/navit/script/mapextract.php index 004b63caf..33441ba95 100644 --- a/navit/script/mapextract.php +++ b/navit/script/mapextract.php @@ -1,225 +1,225 @@ -#!/usr/local/bin/php –q
-<?php
-function getmercator($sx,$sy,$ex,$ey) {
-
- $sx = $sx*6371000.0*M_PI/180;
- $sy = log(tan(M_PI_4+$sy*M_PI/360))*6371000.0;
-
- $ex = $ex*6371000.0*M_PI/180;
- $ey = log(tan(M_PI_4+$ey*M_PI/360))*6371000.0;
-
- return array(
- 'l' => array(
- 'x' => $sx,
- 'y' => $sy
- ),
- 'h' => array(
- 'x' => $ex,
- 'y' => $ey
- )
- );
-
-}
-function contains_bbox($c, &$r) {
- if ($c['l']['x'] > $r['h']['x'])
- return false;
- elseif ($c['h']['x'] < $r['l']['x'])
- return false;
- elseif ($c['l']['y'] > $r['h']['y'])
- return false;
- elseif ($c['h']['y'] < $r['l']['y'])
- return false;
- else
- return true;
-}
-
-$fetch_bbox = getmercator(11.3, 47.9, 11.4, 48.0);
-
-$files = array();
-$files['input'] = '/home/burner/carputer/navit/src/maps/osm_bbox_11.3,47.9,11.7,48.2.bin';
-$files['output'] = 'myarea.bin';
-
-$formats = array();
-$formats['ziphpack'] = "lssssslLLSS";
-$formats['zipheader'] = "l" . "ziplocsig"; # Signature (is always the same)
-$formats['zipheader'] .= "/s" . "zipver"; # zip version needed
-$formats['zipheader'] .= "/s" . "zipgenfld";# type of os that generated the file
-$formats['zipheader'] .= "/s" . "zipmthd"; #
-$formats['zipheader'] .= "/s" . "ziptime"; # time
-$formats['zipheader'] .= "/s" . "zipdate"; # date
-$formats['zipheader'] .= "/l" . "zipcrc"; # crc checksum
-$formats['zipheader'] .= "/L" . "zipsize"; # data size
-$formats['zipheader'] .= "/L" . "zipuncmp"; # uncompressed size
-$formats['zipheader'] .= "/S" . "zipfnln"; # length of filename
-$formats['zipheader'] .= "/S" . "zipxtraln";# length of extra data (always 0)
-
-$formats['zipcd'] = "".
- "i" . "zipcensig/".
- "c" . "zipcver/".
- "c" . "zipcos/".
- "c" . "zipcvxt/".
- "c" . "zipcexos/".
- "s" . "zipcflg/".
- "s" . "zipcmthd/".
- "s" . "ziptim/".
- "s" . "zipdat/".
- "i" . "zipccrc/".
- "I" . "zipcsiz/".
- "I" . "zipcunc/".
- "S" . "zipcfnl/".
- "S" . "zipcxtl/".
- "S" . "zipccml/".
- "S" . "zipdsk/".
- "S" . "zipint/".
- "I" . "zipext/".
- "I" . "zipofst/".
-$formats['zipcdpack'] = "iccccssssiIISSSSSII";
-
-$formats['zipcontent'] = "i5x/i5y/ii";
-
-$world_bbox = array();
-$world_bbox['l']['x'] = -20000000;
-$world_bbox['l']['y'] = -20000000;
-$world_bbox['h']['x'] = 20000000;
-$world_bbox['h']['y'] = 20000000;
-
-$fp = fopen($files['input'], 'r');
-$sp = fopen($files['output'], 'w');
-
-$files = array();
-$offset = 0;
-
-/**
- * Read through zipheaders
- *
- */
-while (!feof($fp)) {
-
- $buffer = fread($fp, 30);
- $tileinfo = unpack($formats['zipheader'], $buffer);
-
- if ($tileinfo['zipfnln'] <= 0)
- break;
-
- $filename = fread($fp, $tileinfo['zipfnln']);
- $x=0;
- $done=false;
-
- $r = $world_bbox;
-
- while (!$done) {
- $c['x'] = floor( ($r['l']['x'] + $r['h']['x'])/2 );
- $c['y'] = floor( ($r['l']['y'] + $r['h']['y'])/2 );
-
- switch($filename[$x]) {
- case 'a':
- $r['l']['x'] = $c['x'];
- $r['l']['y'] = $c['y'];
- break;
- case 'b':
- $r['h']['x'] = $c['x'];
- $r['l']['y'] = $c['y'];
- break;
- case 'c':
- $r['l']['x'] = $c['x'];
- $r['h']['y'] = $c['y'];
- break;
- case 'd':
- $r['h']['x'] = $c['x'];
- $r['h']['y'] = $c['y'];
- break;
- default:
- $done=true;
- }
- $x++;
- }
-
- $tilecontent = fread($fp, $tileinfo['zipsize']);
-
- /* Area inside box, save it! */
- if (contains_bbox($fetch_bbox, $r)) {
- #echo "In box. ";
- #echo $filename . " ";
- $zipheader = $buffer;
- #echo "\n";
-
- /* Area outside of box, set zipcontent=0 */
- } else {
- $tileinfo['zipmthd'] = $tileinfo['zipcrc'] = $tileinfo['zipsize'] = $tileinfo['zipuncmp'] = 0;
- #echo "Out of box";
- $zipheader = $tileinfo;
- $tilecontent = '';
- $zipheader = pack($formats['ziphpack'],
- $tileinfo['ziplocsig'],
- $tileinfo['zipver'],
- $tileinfo['zipgenfld'],
- $tileinfo['zipmthd'],
- $tileinfo['ziptime'],
- $tileinfo['zipdate'],
- $tileinfo['zipcrc'],
- $tileinfo['zipsize'],
- $tileinfo['zipuncmp'],
- $tileinfo['zipfnln'],
- $tileinfo['zipxtraln']
- );
- }
-
- $put = $zipheader.$filename.$tilecontent;
- $files[$filename]['header'] = $tileinfo;
- $files[$filename]['size'] = strlen($put);
-
- $zipcd = array();
- $zipcd['zipcensig'] = 0x02014b50;
- $zipcd['zipcver'] = $tileinfo['zipver'];
- $zipcd['zipcos'] = 0x00;
- $zipcd['zipcvxt'] = 0x0a;
- $zipcd['zipcexos'] = 0x00;
- $zipcd['zipcflg'] = 0x00;
- $zipcd['zipcmthd'] = $tileinfo['zipmthd'];
- $zipcd['ziptim'] = $tileinfo['ziptime'];
- $zipcd['zipdat'] = $tileinfo['zipdate'];
- $zipcd['zipccrc'] = $tileinfo['zipcrc'];
- $zipcd['zipcsiz'] = $tileinfo['zipsize'];
- $zipcd['zipcunc'] = $tileinfo['zipuncmp'];
- $zipcd['zipcfnl'] = $tileinfo['zipfnln'];
- $zipcd['zipcxtl'] = 0x00;
- $zipcd['zipccml'] = 0x00;
- $zipcd['zipdsk'] = 0x00;
- $zipcd['zipint'] = 0x00;
- $zipcd['zipext'] = 0x00;
- $zipcd['zipofst'] = $offset;
-
- $zipcd_data .= pack($formats['zipcdpack'],
- $zipcd['zipcensig'],
- $zipcd['zipcver'],
- $zipcd['zipcos'],
- $zipcd['zipcvxt'],
- $zipcd['zipcexos'],
- $zipcd['zipcflg'],
- $zipcd['zipcmthd'],
- $zipcd['ziptim'],
- $zipcd['zipdat'],
- $zipcd['zipccrc'],
- $zipcd['zipcsiz'],
- $zipcd['zipcunc'],
- $zipcd['zipcfnl'],
- $zipcd['zipcxtl'],
- $zipcd['zipccml'],
- $zipcd['zipdsk'],
- $zipcd['zipint'],
- $zipcd['zipext'],
- $zipcd['zipofst']
- ) . $filename;
-
-
- fwrite($sp, $put);
- $offset += strlen($put);
-
-}
-
-fwrite($sp, $zipcd_data);
-
-fclose($fp);
-fclose($sp);
-
-?>
+#!/usr/local/bin/php –q +<?php +function getmercator($sx,$sy,$ex,$ey) { + + $sx = $sx*6371000.0*M_PI/180; + $sy = log(tan(M_PI_4+$sy*M_PI/360))*6371000.0; + + $ex = $ex*6371000.0*M_PI/180; + $ey = log(tan(M_PI_4+$ey*M_PI/360))*6371000.0; + + return array( + 'l' => array( + 'x' => $sx, + 'y' => $sy + ), + 'h' => array( + 'x' => $ex, + 'y' => $ey + ) + ); + +} +function contains_bbox($c, &$r) { + if ($c['l']['x'] > $r['h']['x']) + return false; + elseif ($c['h']['x'] < $r['l']['x']) + return false; + elseif ($c['l']['y'] > $r['h']['y']) + return false; + elseif ($c['h']['y'] < $r['l']['y']) + return false; + else + return true; +} + +$fetch_bbox = getmercator(11.3, 47.9, 11.4, 48.0); + +$files = array(); +$files['input'] = '/home/burner/carputer/navit/src/maps/osm_bbox_11.3,47.9,11.7,48.2.bin'; +$files['output'] = 'myarea.bin'; + +$formats = array(); +$formats['ziphpack'] = "lssssslLLSS"; +$formats['zipheader'] = "l" . "ziplocsig"; # Signature (is always the same) +$formats['zipheader'] .= "/s" . "zipver"; # zip version needed +$formats['zipheader'] .= "/s" . "zipgenfld";# type of os that generated the file +$formats['zipheader'] .= "/s" . "zipmthd"; # +$formats['zipheader'] .= "/s" . "ziptime"; # time +$formats['zipheader'] .= "/s" . "zipdate"; # date +$formats['zipheader'] .= "/l" . "zipcrc"; # crc checksum +$formats['zipheader'] .= "/L" . "zipsize"; # data size +$formats['zipheader'] .= "/L" . "zipuncmp"; # uncompressed size +$formats['zipheader'] .= "/S" . "zipfnln"; # length of filename +$formats['zipheader'] .= "/S" . "zipxtraln";# length of extra data (always 0) + +$formats['zipcd'] = "". + "i" . "zipcensig/". + "c" . "zipcver/". + "c" . "zipcos/". + "c" . "zipcvxt/". + "c" . "zipcexos/". + "s" . "zipcflg/". + "s" . "zipcmthd/". + "s" . "ziptim/". + "s" . "zipdat/". + "i" . "zipccrc/". + "I" . "zipcsiz/". + "I" . "zipcunc/". + "S" . "zipcfnl/". + "S" . "zipcxtl/". + "S" . "zipccml/". + "S" . "zipdsk/". + "S" . "zipint/". + "I" . "zipext/". + "I" . "zipofst/". +$formats['zipcdpack'] = "iccccssssiIISSSSSII"; + +$formats['zipcontent'] = "i5x/i5y/ii"; + +$world_bbox = array(); +$world_bbox['l']['x'] = -20000000; +$world_bbox['l']['y'] = -20000000; +$world_bbox['h']['x'] = 20000000; +$world_bbox['h']['y'] = 20000000; + +$fp = fopen($files['input'], 'r'); +$sp = fopen($files['output'], 'w'); + +$files = array(); +$offset = 0; + +/** + * Read through zipheaders + * + */ +while (!feof($fp)) { + + $buffer = fread($fp, 30); + $tileinfo = unpack($formats['zipheader'], $buffer); + + if ($tileinfo['zipfnln'] <= 0) + break; + + $filename = fread($fp, $tileinfo['zipfnln']); + $x=0; + $done=false; + + $r = $world_bbox; + + while (!$done) { + $c['x'] = floor( ($r['l']['x'] + $r['h']['x'])/2 ); + $c['y'] = floor( ($r['l']['y'] + $r['h']['y'])/2 ); + + switch($filename[$x]) { + case 'a': + $r['l']['x'] = $c['x']; + $r['l']['y'] = $c['y']; + break; + case 'b': + $r['h']['x'] = $c['x']; + $r['l']['y'] = $c['y']; + break; + case 'c': + $r['l']['x'] = $c['x']; + $r['h']['y'] = $c['y']; + break; + case 'd': + $r['h']['x'] = $c['x']; + $r['h']['y'] = $c['y']; + break; + default: + $done=true; + } + $x++; + } + + $tilecontent = fread($fp, $tileinfo['zipsize']); + + /* Area inside box, save it! */ + if (contains_bbox($fetch_bbox, $r)) { + #echo "In box. "; + #echo $filename . " "; + $zipheader = $buffer; + #echo "\n"; + + /* Area outside of box, set zipcontent=0 */ + } else { + $tileinfo['zipmthd'] = $tileinfo['zipcrc'] = $tileinfo['zipsize'] = $tileinfo['zipuncmp'] = 0; + #echo "Out of box"; + $zipheader = $tileinfo; + $tilecontent = ''; + $zipheader = pack($formats['ziphpack'], + $tileinfo['ziplocsig'], + $tileinfo['zipver'], + $tileinfo['zipgenfld'], + $tileinfo['zipmthd'], + $tileinfo['ziptime'], + $tileinfo['zipdate'], + $tileinfo['zipcrc'], + $tileinfo['zipsize'], + $tileinfo['zipuncmp'], + $tileinfo['zipfnln'], + $tileinfo['zipxtraln'] + ); + } + + $put = $zipheader.$filename.$tilecontent; + $files[$filename]['header'] = $tileinfo; + $files[$filename]['size'] = strlen($put); + + $zipcd = array(); + $zipcd['zipcensig'] = 0x02014b50; + $zipcd['zipcver'] = $tileinfo['zipver']; + $zipcd['zipcos'] = 0x00; + $zipcd['zipcvxt'] = 0x0a; + $zipcd['zipcexos'] = 0x00; + $zipcd['zipcflg'] = 0x00; + $zipcd['zipcmthd'] = $tileinfo['zipmthd']; + $zipcd['ziptim'] = $tileinfo['ziptime']; + $zipcd['zipdat'] = $tileinfo['zipdate']; + $zipcd['zipccrc'] = $tileinfo['zipcrc']; + $zipcd['zipcsiz'] = $tileinfo['zipsize']; + $zipcd['zipcunc'] = $tileinfo['zipuncmp']; + $zipcd['zipcfnl'] = $tileinfo['zipfnln']; + $zipcd['zipcxtl'] = 0x00; + $zipcd['zipccml'] = 0x00; + $zipcd['zipdsk'] = 0x00; + $zipcd['zipint'] = 0x00; + $zipcd['zipext'] = 0x00; + $zipcd['zipofst'] = $offset; + + $zipcd_data .= pack($formats['zipcdpack'], + $zipcd['zipcensig'], + $zipcd['zipcver'], + $zipcd['zipcos'], + $zipcd['zipcvxt'], + $zipcd['zipcexos'], + $zipcd['zipcflg'], + $zipcd['zipcmthd'], + $zipcd['ziptim'], + $zipcd['zipdat'], + $zipcd['zipccrc'], + $zipcd['zipcsiz'], + $zipcd['zipcunc'], + $zipcd['zipcfnl'], + $zipcd['zipcxtl'], + $zipcd['zipccml'], + $zipcd['zipdsk'], + $zipcd['zipint'], + $zipcd['zipext'], + $zipcd['zipofst'] + ) . $filename; + + + fwrite($sp, $put); + $offset += strlen($put); + +} + +fwrite($sp, $zipcd_data); + +fclose($fp); +fclose($sp); + +?> |