| Latitude: |
+40.7 |
Longitude: |
+129.7 |
Antipode: -40.7 , -50.3
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|
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var mapTypes = ;
// set up the map types
mapTypes['moon'] =
getTileUrl: function(coord, zoom)
return getHorizontallyRepeatingTileUrl(coord, zoom, function(coord, zoom)
var bound = Math.pow(2, zoom);
return "https://mw1.google.com/mw-planetary/lunar/lunarmaps_v1/clem_bw/" +
+ zoom + "/" + coord.x + "/" + (bound - coord.y - 1) + '.jpg';
);
,
tileSize: new google.maps.Size(256, 256),
isPng: false,
maxZoom: 9,
minZoom: 0,
radius: 1738000,
name: 'Moon',
credit: 'Image Credit: NASA/USGS'
;
mapTypes['sky'] =
getTileUrl: function(coord, zoom)
return getHorizontallyRepeatingTileUrl(coord, zoom, function(coord, zoom)
return "https://mw1.google.com/mw-planetary/sky/skytiles_v1/" +
coord.x + "_" + coord.y + '_' + zoom + '.jpg';
);
,
tileSize: new google.maps.Size(256, 256),
isPng: false,
maxZoom: 13,
radius: 57.2957763671875,
name: 'Sky',
credit: 'Image Credit: SDSS, DSS Consortium, NASA/ESA/STScI'
;
mapTypes['mars_elevation'] =
getTileUrl: function(coord, zoom)
return getHorizontallyRepeatingTileUrl(coord, zoom, function(coord, zoom)
return getMarsTileUrl("https://mw1.google.com/mw-planetary/mars/elevation/", coord, zoom);
);
,
tileSize: new google.maps.Size(256, 256),
isPng: false,
maxZoom: 8,
radius: 3396200,
name: 'Mars Elevation',
credit: 'Image Credit: NASA/JPL/GSFC'
;
mapTypes['mars_visible'] =
getTileUrl: function(coord, zoom)
return getHorizontallyRepeatingTileUrl(coord, zoom, function(coord, zoom)
return getMarsTileUrl("https://mw1.google.com/mw-planetary/mars/visible/", coord, zoom);
);
,
tileSize: new google.maps.Size(256, 256),
isPng: false,
maxZoom: 9,
radius: 3396200,
name: 'Mars Visible',
credit: 'Image Credit: NASA/JPL/ASU/MSSS'
;
mapTypes['mars_infrared'] =
getTileUrl: function(coord, zoom)
return getHorizontallyRepeatingTileUrl(coord, zoom, function(coord, zoom)
return getMarsTileUrl("https://mw1.google.com/mw-planetary/mars/infrared/", coord, zoom);
);
,
tileSize: new google.maps.Size(256, 256),
isPng: false,
maxZoom: 9,
radius: 3396200,
name: 'Mars Infrared',
credit: 'Image Credit: NASA/JPL/ASU'
;
// Normalizes the tile URL so that tiles repeat across the x axis (horizontally) like the
// standard Google map tiles.
function getHorizontallyRepeatingTileUrl(coord, zoom, urlfunc)
var y = coord.y;
var x = coord.x;
// tile range in one direction range is dependent on zoom level
// 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc
var tileRange = 1 << zoom;
// don't repeat across y-axis (vertically)
if (y = tileRange)
return null;
// repeat across x-axis
if (x = tileRange)
x = (x % tileRange + tileRange) % tileRange;
return urlfunc(x:x,y:y, zoom)
function getMarsTileUrl(baseUrl, coord, zoom)
var bound = Math.pow(2, zoom);
var x = coord.x;
var y = coord.y;
var quads = ['t'];
for (var z = 0; z < zoom; z++)
bound = bound / 2;
if (y < bound)
if (x < bound)
quads.push('q');
else
quads.push('r');
x -= bound;
else
if (x < bound)
quads.push('t');
y -= bound;
else
quads.push('s');
x -= bound;
y -= bound;
return baseUrl + quads.join('') + ".jpg";
var map;
var mapTypeIds = [];
// Setup a copyright/credit line, emulating the standard Google style
var creditNode = document.createElement('div');
creditNode.id = 'credit-control';
creditNode.style.fontSize = '11px';
creditNode.style.fontFamily = 'Arial, sans-serif';
creditNode.style.margin = '0 2px 2px 0';
creditNode.style.whitespace = 'nowrap';
creditNode.index = 0;
function setCredit(credit)
creditNode.innerHTML = credit + ' -';
function initialize()
// push all mapType keys in to a mapTypeId array to set in the mapTypeControlOptions
for (var key in mapTypes)
mapTypeIds.push(key);
var mapOptions =
zoom: 0,
center: new google.maps.LatLng(0, 0),
mapTypeControlOptions:
mapTypeIds: mapTypeIds,
style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
;
map = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);
// push the credit/copyright custom control
map.controls[google.maps.ControlPosition.BOTTOM_RIGHT].push(creditNode);
// add the new map types to map.mapTypes
for (key in mapTypes)
map.mapTypes.set(key, new google.maps.ImageMapType(mapTypes[key]));
// handle maptypeid_changed event to set the credit line
google.maps.event.addListener(map, 'maptypeid_changed', function()
setCredit(mapTypes[map.getMapTypeId()].credit);
);
// start with the moon map type
map.setMapTypeId('moon');
var mcoords = new google.maps.LatLng(+40.7,+129.7);
var marker = new google.maps.Marker(
position: mcoords,
map: map
);
map.setCenter(mcoords);
map.setZoom(13);
// map.addControl(new GSmallMapControl());
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