I apologise if this is a really noobie question, but i cant figure out bounds
and extent and maxextent and restrictedExtent
I am using an OMS layer, which forces me to use bounds of
(-20037508.34,-20037508.34,20037508.34,20037508.34);
I cannot see how i can limit either my map's restrictedExtent area or the
zoom out to the world.
I am using my own google tiles, and i have got my map to only show my tiles,
but i want to acheive the following;-
1) Show my own tiles - Yes, i can do that
2) limit the pan and zoom - No, cant do that
3) show different content at fixed zoom levels. - Yes, but cant control how
zoomed each level is or how many zoom levels (i want 4 only).
This is pretty much the mission statement of open layers, but I am finding
it pretty difficult to do.. i am a JS dev, not a GIS dev and the GIS
language is just confusing me.
Please help.
Thanks,
Jez
CODE:
var extent = new
OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34);
function show_map(){
var proj = new OpenLayers.Projection("EPSG:4326");
map = new OpenLayers.Map({
div: "map",
theme: null,
allOverlays: true,
maxExtent: extent,
units:'m',
projection: "EPSG:900913",
displayProjection: new OpenLayers.Projection("EPSG:4326"),
controls: [
new OpenLayers.Control.TouchNavigation({
dragPanOptions: {
interval: 100,
enableKinetic: true
}
}),
new OpenLayers.Control.ZoomPanel(),
new OpenLayers.Control.PinchZoom()
]
});
var mattmap = new OpenLayers.Layer.OSM("Mat Map", "tiles/", {
'type':'png', 'getURL':get_my_url, isBaseLayer: true, restrictedExtent:
extent});
var markers = new OpenLayers.Layer.Markers( "Markers" );
map.addLayers([mattmap, markers, sponsoredMarkers, campsitesCarparks]);
var point = new OpenLayers.LonLat(0.43705, 51.713203);
map.setCenter(point.transform(proj, map.getProjectionObject()), 12);
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