Template:Fragoria Map
From FragoriaWiki
(Difference between revisions)
| Line 17: | Line 17: | ||
normalizedCoord.x + '.jpg'; | normalizedCoord.x + '.jpg'; | ||
}, | }, | ||
| - | tileSize: new google.maps.Size( | + | tileSize: new google.maps.Size(256, 256), |
maxZoom: 4, | maxZoom: 4, | ||
minZoom: 1, | minZoom: 1, | ||
| Line 51: | Line 51: | ||
// tile range in one direction range is dependent on zoom level | // tile range in one direction range is dependent on zoom level | ||
// 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc | // 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc | ||
| - | var tileRange = | + | var tileRange = 2<< zoom; |
// repeat across y-axis (vertically) | // repeat across y-axis (vertically) | ||
| Line 70: | Line 70: | ||
} | } | ||
| + | // Add a move listener to restrict the bounds range | ||
| + | GEvent.addListener(map, "move", function() { | ||
| + | checkBounds(); | ||
| + | }); | ||
| + | |||
| + | // The allowed region which the whole map must be within | ||
| + | var allowedBounds = new GLatLngBounds(new GLatLng(49.5,-10), new GLatLng(59,2.6)); | ||
| + | |||
| + | // If the map position is out of range, move it back | ||
| + | function checkBounds() { | ||
| + | // Perform the check and return if OK | ||
| + | if (allowedBounds.contains(map.getCenter())) { | ||
| + | return; | ||
| + | } | ||
| + | // It`s not OK, so find the nearest allowed point and move there | ||
| + | var C = map.getCenter(); | ||
| + | var X = C.lng(); | ||
| + | var Y = C.lat(); | ||
| + | |||
| + | var AmaxX = allowedBounds.getNorthEast().lng(); | ||
| + | var AmaxY = allowedBounds.getNorthEast().lat(); | ||
| + | var AminX = allowedBounds.getSouthWest().lng(); | ||
| + | var AminY = allowedBounds.getSouthWest().lat(); | ||
| + | |||
| + | if (X < AminX) {X = AminX;} | ||
| + | if (X > AmaxX) {X = AmaxX;} | ||
| + | if (Y < AminY) {Y = AminY;} | ||
| + | if (Y > AmaxY) {Y = AmaxY;} | ||
| + | //alert ("Restricting "+Y+" "+X); | ||
| + | map.setCenter(new GLatLng(Y,X)); | ||
| + | } | ||
| + | } | ||
</script> | </script> | ||
<body onload="initialize()"> | <body onload="initialize()"> | ||
Revision as of 14:47, 3 April 2015
