http://www.mediawiki.org/wiki/Special:Code/MediaWiki/56241
Revision: 56241
Author: jeroendedauw
Date: 2009-09-12 20:21:52 +0000 (Sat, 12 Sep 2009)
Log Message:
-----------
Removed Paths:
-------------
tags/extensions/Maps/REL_0_3_4/Maps_ExportCgiBin.php
Deleted: tags/extensions/Maps/REL_0_3_4/Maps_ExportCgiBin.php
===================================================================
--- tags/extensions/Maps/REL_0_3_4/Maps_ExportCgiBin.php 2009-09-12
20:21:31 UTC (rev 56240)
+++ tags/extensions/Maps/REL_0_3_4/Maps_ExportCgiBin.php 2009-09-12
20:21:52 UTC (rev 56241)
@@ -1,152 +0,0 @@
-<?php
-
-/**
- * MapsBaseMap is an abstract class inherited by the map services classes
- *
- * @file Maps_BaseMap.php
- * @ingroup Maps
- *
- * @author Jeroen De Dauw
- */
-
-class SlippyMapExportCgiBin {
- var $lat;
- var $lon;
- var $zoom;
- var $width;
- var $height;
- var $url;
-
- /** borrowed from OpenLayers.DOTS_PER_UNIT */
- private static $INCHES_PER_UNIT = array (
- 'dd' => 4374754,
- 'm' => 39.3701
- );
-
- /** borrowed from OpenLayers.DOTS_PER_INCH */
- private static $DOTS_PER_INCH = 72;
-
- /** pixel size in meters */
- private static $PIXEL_SIZE = 0.00028;
-
- /**
- * Constructor
- */
- public function __construct( $lat, $lon, $zoom, $width, $height,
$options ) {
- $this->lat = $lat;
- $this->lon = $lon;
- $this->zoom = $zoom;
- $this->width = $width;
- $this->height = $height;
- $this->options = $options;
-
- self::initResolutionsAndScales();
- self::setBounds();
- }
-
- public function getUrl() {
- global $wgContLang;
-
- $args =
- $this->options['base_url']
- . '?'
- . 'bbox=' . implode( ',', $this->bounds )
- . '&scale=' . $this->scale
- . '&format=' . $this->options['format'];
-
- // Hack to support my custom cgi-bin/export script
- if ( isset( $this->options['get_args'] ) ) {
- $args .=
- '&maptype=' .
$this->options['get_args']['maptype']
- . '&locale=' . $wgContLang->getCode();
- }
-
- return $args;
- }
-
- /**
- * This sets the map bounds
- */
- public function setBounds() {
-
- /* Determine scale and map bounds for static render request */
- $resolution = $this->resolutions[round( $this->zoom )];
- $this->scale = self::getScaleFromResolution( $resolution );
-
- /*
- * Calculate width for Mapnik output using a standard pixel
size of 0.00028m
- * @see http://trac.mapnik.org/wiki/ScaleAndPpi
- */
- $w_deg = $this->width * self::$PIXEL_SIZE * $this->scale;
- $h_deg = $this->height * self::$PIXEL_SIZE * $this->scale;
-
- $center = array( $this->lon, $this->lat );
- if ( $this->options['sphericalMercator'] ) {
- // Calculate bounds within a spherical mercator
projection if that is what the scale is based on
- $mercatorCenter = self::forwardMercator( $center );
- $mbounds = array(
- $mercatorCenter[0] - $w_deg / 2,
- $mercatorCenter[1] - $h_deg / 2,
- $mercatorCenter[0] + $w_deg / 2,
- $mercatorCenter[1] + $h_deg / 2
- );
- $this->bounds = self::inverseMercator( $mbounds );
- }
- else {
- // Calculate bounds within WGS84
- $this->bounds = array( $center[0] - $w_deg / 2,
$center[1] - $h_deg / 2, $center[0] + $w_deg / 2, $center[1] + $h_deg / 2 );
- }
- }
-
- /**
- * Borrowed from OpenLayers.Util.getScaleFromResolution
- */
- protected function getScaleFromResolution( $resolution ) {
- return $resolution *
self::$INCHES_PER_UNIT[$this->options['unit']] * self::$DOTS_PER_INCH;
- }
-
- /**
- * Determines resolutions and scales based on a maximum resolution and
number of zoom levels
- * Borrowed from OpenLayers.Layer.initResolutions
- */
- protected function initResolutionsAndScales() {
- $this->resolutions = array();
- $base = 2;
-
- for ( $i = 0; $i < $this->options['numZoomLevels']; $i++ ) {
- $this->resolutions[$i] =
$this->options['maxResolution'] / pow( $base, $i );
- $this->scales[$i] = $this->getScaleFromResolution(
$this->resolutions[$i] );
- }
- }
-
- /**
- * Convert from WGS84 to spherical mercator
- */
- protected static function forwardMercator($lonlat) {
- for ($i=0; $i<count($lonlat); $i+=2) {
- /* lon */
- $lonlat[$i] = $lonlat[$i] * (2 * M_PI * 6378137 / 2.0)
/ 180.0;
-
- /* lat */
- $lonlat[$i+1] = log(tan((90 + $lonlat[$i+1]) * M_PI /
360.0)) / (M_PI / 180.0);
- $lonlat[$i+1] = $lonlat[$i+1] * (2 * M_PI * 6378137 /
2.0) / 180.0;
- }
- return $lonlat;
- }
-
- /**
- * Convert from spherical mercator to WGS84
- */
- protected static function inverseMercator($lonlat) {
- for ($i=0; $i<count($lonlat); $i+=2) {
- /* lon */
- $lonlat[$i] = $lonlat[$i] / ((2 * M_PI * 6378137 / 2.0)
/ 180.0);
-
- /* lat */
- $lonlat[$i+1] = $lonlat[$i+1] / ((2 * M_PI * 6378137 /
2.0) / 180.0);
- $lonlat[$i+1] = 180.0 / M_PI * (2 *
atan(exp($lonlat[$i+1] * M_PI / 180.0)) - M_PI / 2);
- }
-
- return $lonlat;
- }
-}
\ No newline at end of file
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