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patch for #487 -- dateline wrapping

Browse Source 
git-svn-id: http://svn.openlayers.org/trunk/openlayers@3323 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
euzuro
2007-06-12 18:03:59 +00:00
parent 76f9234e3b
commit f56f136523
13 changed files with 519 additions and 25 deletions
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61
examples/wrapDateLine.html Normal file
View File

@@ -0,0 +1,61 @@
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#map {
width: 800px;
height: 475px;
border: 1px solid black;
}
</style>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
<!--
var map;
function init(){
map = new OpenLayers.Map( 'map', {maxResolution: 1.40625} );
var mapserv = new OpenLayers.Layer.MapServer( "OpenLayers Basic",
"http://labs.metacarta.com/wms/vmap0",
{layers: 'basic'},
{wrapDateLine: true} );
var kamap = new OpenLayers.Layer.KaMap( "Blue Marble NG",
"http://www.openlayers.org/world/index.php",
{g: "satellite", map: "world"},
{wrapDateLine: true} );
var wms = new OpenLayers.Layer.WMS( "DM Solutions Demo",
"http://www2.dmsolutions.ca/cgi-bin/mswms_gmap",
{layers: "bathymetry,land_fn,park,drain_fn,drainage," +
"prov_bound,fedlimit,rail,road,popplace",
transparent: "true", format: "image/png"},
{wrapDateLine: true, reproject: false});
/* TMS is broken, too */
tms = new OpenLayers.Layer.TMS( "OpenStreetMap",
"http://labs.metacarta.com/wms-c/Basic.py/",
{layername: 'osm-map', type:'png', wrapDateLine: true} );
/* WW doesn't quite work yet */
ww = new OpenLayers.Layer.WorldWind( "LANDSAT",
"http://worldwind25.arc.nasa.gov/tile/tile.aspx", 2.25, 4,
{T:"105"},
{'maxResolution': .28125,
tileSize: new OpenLayers.Size(512, 512),
wrapDateLine: true});
map.addLayers([mapserv, kamap, wms]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.addControl(new OpenLayers.Control.MousePosition());
map.zoomToMaxExtent();
}
// -->
</script>
</head>
<body onload="init()">
<div id="map"></div>
<div id="docs">
This is an example that shows wrapping the date line. Wrapping the
date line is an option on the layer.
</div>
</body>
</html>

70
lib/OpenLayers/BaseTypes.js
View File

@@ -299,6 +299,32 @@ OpenLayers.LonLat.prototype = {
return equals;
},
/**
* @param {OpenLayers.Bounds} maxExtent
*
* @returns A copy of this lonlat, but wrapped around the "dateline" (as
* specified by the borders of maxExtent)
* @type OpenLayers.LonLat
*/
wrapDateLine: function(maxExtent) {
var newLonLat = this.clone();
if (maxExtent) {
//shift right?
while (newLonLat.lon < maxExtent.left) {
newLonLat.lon += maxExtent.getWidth();
}
//shift left?
while (newLonLat.lon > maxExtent.right) {
newLonLat.lon -= maxExtent.getWidth();
}
}
return newLonLat;
},
/** @final @type String */
CLASS_NAME: "OpenLayers.LonLat"
};
@@ -666,6 +692,50 @@ OpenLayers.Bounds.prototype = {
return quadrant;
},
/**
* @param {OpenLayers.Bounds} maxExtent
* @param {Object} options
* @option {float} leftTolerance Allow for a margin of error with the
* 'left' value of this bound.
* Default is 0
* @option {float} rightTolerance Allow for a margin of error with the
* 'right' value of this bound.
* Default is 0
*
* @returns A copy of this bounds, but wrapped around the "dateline" (as
* specified by the borders of maxExtent). Note that this
* function only returns a different bounds value if this bounds
* is *entirely* outside of the maxExtent. If this bounds
* straddles the dateline (is part in/part out of maxExtent),
* the returned bounds will be merely a copy of this one.
* @type OpenLayers.Bounds
*/
wrapDateLine: function(maxExtent, options) {
options = options || new Object();
var leftTolerance = options.leftTolerance || 0;
var rightTolerance = options.rightTolerance || 0;
var newBounds = this.clone();
if (maxExtent) {
//shift right?
while ( newBounds.left < maxExtent.left &&
(newBounds.right - rightTolerance) <= maxExtent.left ) {
newBounds = newBounds.add(maxExtent.getWidth(), 0);
}
//shift left?
while ( (newBounds.left + leftTolerance) >= maxExtent.right &&
newBounds.right > maxExtent.right ) {
newBounds = newBounds.add(-maxExtent.getWidth(), 0);
}
}
return newBounds;
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Bounds"
};

63
lib/OpenLayers/Layer.js
View File

@@ -139,6 +139,12 @@ OpenLayers.Layer.prototype = {
/** @type Boolean */
displayOutsideMaxExtent: false,
/** wrapDateLine -- #487 for more info.
*
* @type @Boolean
*/
wrapDateLine: false,
/**
@@ -165,6 +171,10 @@ OpenLayers.Layer.prototype = {
this.events = new OpenLayers.Events(this, this.div,
this.EVENT_TYPES);
}
if (this.wrapDateLine) {
this.displayOutsideMaxExtent = true;
}
},
/**
@@ -616,6 +626,10 @@ OpenLayers.Layer.prototype = {
lonlat = new OpenLayers.LonLat(center.lon + delta_x * res ,
center.lat - delta_y * res);
if (this.wrapDateLine) {
lonlat = lonlat.wrapDateLine(this.maxExtent);
}
} // else { DEBUG STATEMENT }
}
return lonlat;
@@ -641,23 +655,6 @@ OpenLayers.Layer.prototype = {
return px;
},
/**
* Adjusts the extent of a bounds in map units by the layer's gutter
* in pixels.
*
* @param {OpenLayers.Bounds} bounds
* @type OpenLayers.Bounds
* @return A bounds adjusted in height and width by the gutter
*/
adjustBoundsByGutter: function(bounds) {
var mapGutter = this.gutter * this.map.getResolution();
bounds = new OpenLayers.Bounds(bounds.left - mapGutter,
bounds.bottom - mapGutter,
bounds.right + mapGutter,
bounds.top + mapGutter);
return bounds;
},
/**
* Sets the opacity for the entire layer (all images)
* @param {Float} opacity
@@ -681,6 +678,38 @@ OpenLayers.Layer.prototype = {
this.div.style.zIndex = zIdx;
},
/**
* This function will take a bounds, and if wrapDateLine option is set
* on the layer, it will return a bounds which is wrapped around the world.
* We do not wrap for bounds which *cross* the maxExtent.left/right, only
* bounds which are entirely to the left or entirely to the right.
*
* @param {OpenLayers.Bounds} bounds
* @private
*/
adjustBounds: function (bounds) {
if (this.gutter) {
// Adjust the extent of a bounds in map units by the
// layer's gutter in pixels.
var mapGutter = this.gutter * this.map.getResolution();
bounds = new OpenLayers.Bounds(bounds.left - mapGutter,
bounds.bottom - mapGutter,
bounds.right + mapGutter,
bounds.top + mapGutter);
}
if (this.wrapDateLine) {
// wrap around the date line, within the limits of rounding error
var wrappingOptions = {
'rightTolerance':this.getResolution()
};
bounds = bounds.wrapDateLine(this.maxExtent, wrappingOptions);
}
return bounds;
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Layer"
};

1
lib/OpenLayers/Layer/KaMap.js
View File

@@ -49,6 +49,7 @@ OpenLayers.Layer.KaMap.prototype =
* @type String
*/
getURL: function (bounds) {
bounds = this.adjustBounds(bounds);
var mapRes = this.map.getResolution();
var scale = Math.round((this.map.getScale() * 10000)) / 10000;
var pX = Math.round(bounds.left / mapRes);

4
lib/OpenLayers/Layer/MapServer.js
View File

@@ -87,9 +87,7 @@ OpenLayers.Layer.MapServer.prototype =
* @type String
*/
getURL: function (bounds) {
if(this.gutter) {
bounds = this.adjustBoundsByGutter(bounds);
}
bounds = this.adjustBounds(bounds);
// Make a list, so that getFullRequestString uses literal ","
var extent = [bounds.left, bounds. bottom, bounds.right, bounds.top];

1
lib/OpenLayers/Layer/TMS.js
View File

@@ -71,6 +71,7 @@ OpenLayers.Layer.TMS.prototype =
* @type String
*/
getURL: function (bounds) {
bounds = this.adjustBounds(bounds);
var res = this.map.getResolution();
var x = (bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w);
var y = (bounds.bottom - this.tileOrigin.lat) / (res * this.tileSize.h);

4
lib/OpenLayers/Layer/WMS.js
View File

@@ -94,9 +94,7 @@ OpenLayers.Layer.WMS.prototype =
* @type String
*/
getURL: function (bounds) {
if(this.gutter) {
bounds = this.adjustBoundsByGutter(bounds);
}
bounds = this.adjustBounds(bounds);
return this.getFullRequestString(
{BBOX:bounds.toBBOX(),
WIDTH:this.imageSize.w,

1
lib/OpenLayers/Layer/WorldWind.js
View File

@@ -69,6 +69,7 @@ OpenLayers.Layer.WorldWind.prototype =
* @type String
*/
getURL: function (bounds) {
bounds = this.adjustBounds(bounds);
var zoom = this.getZoom();
var extent = this.map.getMaxExtent();
var deg = this.lzd/Math.pow(2,this.getZoom());

26
lib/OpenLayers/Map.js
View File

@@ -1168,8 +1168,30 @@ OpenLayers.Map.prototype = {
* @param {OpenLayers.Bounds} bounds
*/
zoomToExtent: function(bounds) {
this.setCenter(bounds.getCenterLonLat(),
this.getZoomForExtent(bounds));
var center = bounds.getCenterLonLat();
if (this.baseLayer.wrapDateLine) {
var maxExtent = this.getMaxExtent();
//fix straddling bounds (in the case of a bbox that straddles the
// dateline, it's left and right boundaries will appear backwards.
// we fix this by allowing a right value that is greater than the
// max value at the dateline -- this allows us to pass a valid
// bounds to calculate zoom)
//
bounds = bounds.clone();
while (bounds.right < bounds.left) {
bounds.right += maxExtent.getWidth();
}
//if the bounds was straddling (see above), then the center point
// we got from it was wrong. So we take our new bounds and ask it
// for the center. Because our new bounds is at least partially
// outside the bounds of maxExtent, the new calculated center
// might also be. We don't want to pass a bad center value to
// setCenter, so we have it wrap itself across the date line.
//
center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
}
this.setCenter(center, this.getZoomForExtent(bounds));
},
/** Zoom to the full extent and recenter.

92
tests/BaseTypes/test_Bounds.html
View File

@@ -379,6 +379,98 @@
(bounds.top == object.y)), "obj Point to extends correclty modifies right and top");
}
function test_16_Bounds_wrapDateLine(t) {
t.plan( 13 );
var testBounds, wrappedBounds, desiredBounds;
var maxExtent = new OpenLayers.Bounds(-10,-10,10,10);
var exactBounds = maxExtent.clone();
var simpleBounds = new OpenLayers.Bounds( -5,-5,5,5);
//bad maxextent
testBounds = simpleBounds.clone();
wrappedBounds = testBounds.wrapDateLine(null);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds with a bad maxextent does nothing");
//exactly inside
testBounds = exactBounds.clone();
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(exactBounds), "wrapping a bounds precisely within (equal to) maxextent does nothing");
//inside
testBounds = simpleBounds.clone();
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds within maxextent does nothing");
// LEFT //
//straddling left
testBounds = simpleBounds.add(-10,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(testBounds), "wrapping a bounds that straddles the left of maxextent does nothing");
//left rightTolerance
testBounds = simpleBounds.add(-14,0);
wrappedBounds =
testBounds.wrapDateLine(maxExtent, {'rightTolerance': 1} );
desiredBounds = simpleBounds.add(6,0);
t.ok(wrappedBounds.equals(desiredBounds), "wrapping a bounds rightTolerance left of maxextent works");
//exactly left
testBounds = exactBounds.add(-20,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(exactBounds), "wrapping an exact bounds once left of maxextent works");
//left
testBounds = simpleBounds.add(-20,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds once left of maxextent works");
//way left
testBounds = simpleBounds.add(-200,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds way left of maxextent works");
// RIGHT //
//straddling right
testBounds = simpleBounds.add(10,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(testBounds), "wrapping a bounds that straddles the right of maxextent does nothing");
//right leftTolerance
testBounds = simpleBounds.add(14,0);
wrappedBounds =
testBounds.wrapDateLine(maxExtent, {'leftTolerance': 1} );
desiredBounds = simpleBounds.add(-6,0);
t.ok(wrappedBounds.equals(desiredBounds), "wrapping a bounds leftTolerance right of maxextent works");
//exactly right
testBounds = exactBounds.add(20,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(exactBounds), "wrapping an exact bounds once right of maxextent works");
//right
testBounds = simpleBounds.add(20,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds once right of maxextent works");
//way right
testBounds = simpleBounds.add(200,0);
wrappedBounds = testBounds.wrapDateLine(maxExtent);
t.ok(wrappedBounds.equals(simpleBounds), "wrapping a bounds way right of maxextent works");
}
// -->
</script>

44
tests/BaseTypes/test_LonLat.html
View File

@@ -88,6 +88,50 @@
t.ok( lonlat.equals(ll), "lonlat is set correctly");
}
function test_08_LonLat_wrapDateLine(t) {
t.plan( 6 );
var goodLL = new OpenLayers.LonLat(0,0);
var testLL, wrappedLL;
//bad maxextent
var maxExtent = null;
testLL = goodLL.clone();
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll with a bad maxextent does nothing");
//good maxextent
maxExtent = new OpenLayers.Bounds(-10,-10,10,10);
//inside
testLL = goodLL.clone();
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll within the maxextent does nothing");
//left
testLL = goodLL.add(-20,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll once left of maxextent works");
//way left
testLL = goodLL.add(-200,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll way left of maxextent works");
//right
testLL = goodLL.add(20,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll once right of maxextent works");
//way right
testLL = goodLL.add(200,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll way right of maxextent works");
}
// -->
</script>
</head>

176
tests/Layer/test_WrapDateLine.html Normal file
View File

@@ -0,0 +1,176 @@
<html>
<head>
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var layer;
var name = 'Test Layer';
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
var params = { map: '/mapdata/vmap_wms.map',
layers: 'basic',
format: 'image/png'};
function test_Layer_WrapDateLine_adjustBounds(t) {
t.plan(10);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
map.addLayer(layer);
map.zoomToMaxExtent();
var bounds = layer.adjustBounds(new OpenLayers.Bounds(-270,-90,-180,0));
t.ok( bounds.equals(new OpenLayers.Bounds(90,-90,180,0)), "-270,-90,-180,0 wraps to 90,-90,180,0");
bounds = layer.adjustBounds(new OpenLayers.Bounds(180,-90,270,0));
t.ok( bounds.equals(new OpenLayers.Bounds(-180,-90,-90,0)), "180,-90,270,0 wraps to -180,-90,-90,0");
bounds = layer.adjustBounds(new OpenLayers.Bounds(-180,-90,0,0));
t.ok( bounds.equals(new OpenLayers.Bounds(-180,-90,0,0)), "-180,-90,0,0 doesn't wrap");
bounds = layer.adjustBounds(new OpenLayers.Bounds(-181,-90,-179,0));
t.ok( bounds.equals(new OpenLayers.Bounds(-181,-90,-179,0)), "-181,-90,-179,0 doesn't wrap, because it straddles the dateline");
bounds = layer.adjustBounds(new OpenLayers.Bounds(-180,-180,-90,-90));
t.ok( bounds.equals(new OpenLayers.Bounds(-180,-180,-90,-90)), "-180,-180,-90,-90 doesn't wrap, because we don't wrap lats.");
layer = new OpenLayers.Layer.WMS(name, url, params);
map.addLayer(layer);
var testBounds = null;
var outBounds = null;
var testList = [
new OpenLayers.Bounds(-270,-90,-180,0),
new OpenLayers.Bounds(180,-90,270,0),
new OpenLayers.Bounds(-180,-90,0,0),
new OpenLayers.Bounds(-181,-90,-179,0),
new OpenLayers.Bounds(-180,-180,-90,-90)
];
for (var i = 0; i < testList.length; i++) {
outBounds = layer.adjustBounds(testList[i]);
t.ok( outBounds.equals(testList[i]), testList[i]+" doesn't wrap in non-wrapping layer.");
}
}
function test_Layer_WrapDateLine_getLonLat(t) {
t.plan(12);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
map.addLayer(layer);
map.zoomToMaxExtent();
var testLonLats = [
new OpenLayers.LonLat(-185,5),
new OpenLayers.LonLat(-180,-95),
new OpenLayers.LonLat(-180,95),
new OpenLayers.LonLat(180,-95),
new OpenLayers.LonLat(180,95),
new OpenLayers.LonLat(185,5)
];
var outLonLats = [
new OpenLayers.LonLat(175,5),
new OpenLayers.LonLat(-180,-95),
new OpenLayers.LonLat(-180,95),
new OpenLayers.LonLat(180,-95),
new OpenLayers.LonLat(180,95),
new OpenLayers.LonLat(-175,5)
];
for (var i = 0; i < testLonLats.length; i++) {
var pixel = layer.getViewPortPxFromLonLat(testLonLats[i]);
var lonlat = layer.getLonLatFromViewPortPx(pixel);
lonlat.lon = Math.round(lonlat.lon);
lonlat.lat = Math.round(lonlat.lat);
t.ok(outLonLats[i].equals(lonlat), testLonLats[i] + " wraps to " + outLonLats[i]+ " (what happened: " + lonlat + ")");
}
layer = new OpenLayers.Layer.WMS(name, url, params);
map.addLayer(layer);
var outLonLats = [
new OpenLayers.LonLat(-185,5),
new OpenLayers.LonLat(-180,-95),
new OpenLayers.LonLat(-180,95),
new OpenLayers.LonLat(180,-95),
new OpenLayers.LonLat(180,95),
new OpenLayers.LonLat(185,5)
];
for (var i = 0; i < testLonLats.length; i++) {
var pixel = layer.getViewPortPxFromLonLat(testLonLats[i]);
var lonlat = layer.getLonLatFromViewPortPx(pixel);
lonlat.lon = Math.round(lonlat.lon);
lonlat.lat = Math.round(lonlat.lat);
t.ok(outLonLats[i].equals(lonlat), testLonLats[i] + " wraps to " + outLonLats[i]+ " (what happened: " + lonlat + ")");
}
}
function test_Layer_WrapDateLine_ZoomToExtent (t) {
t.plan( 4 );
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
var m = new OpenLayers.Map('map');
m.addLayer(layer);
m.setCenter = function(myCenter) { this.center = myCenter; }
var testBounds = [
new OpenLayers.Bounds(-185,-90,-175,-85),
new OpenLayers.Bounds(0,-90,-170,-85),
new OpenLayers.Bounds(-270,-90,-180,-85),
new OpenLayers.Bounds(0,0,45,45)
];
var outCenters = [
new OpenLayers.LonLat(-180,-87.5),
new OpenLayers.LonLat(95,-87.5),
new OpenLayers.LonLat(135,-87.5),
new OpenLayers.LonLat(22.5,22.5)
];
for (var i = 0; i < testBounds.length; i++) {
m.zoomToExtent(testBounds[i]);
t.ok(m.center.equals(outCenters[i]), "Map center from bounds " + testBounds[i] + " should be " + outCenters[i] + ", got " + m.center);
}
}
function test_Layer_WrapDateLine_WMS (t) {
t.plan( 3 );
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
var m = new OpenLayers.Map('map');
m.addLayer(layer);
m.zoomToMaxExtent();
t.eq(layer.grid[3][0].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "cell [3][0] is wrapped around the world.");
t.eq(layer.grid[0][0].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=0%2C450%2C180%2C630&WIDTH=256&HEIGHT=256", "cell [0][0] is wrapped around the world lon, but not lat");
t.eq(layer.grid[0][3].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=-180%2C450%2C0%2C630&WIDTH=256&HEIGHT=256", "cell [3][0] is not wrapped at all.");
}
function test_Layer_WrapDateLine_KaMap (t) {
t.plan( 3 );
var layer = new OpenLayers.Layer.KaMap( "Blue Marble NG",
"http://www.openlayers.org/world/index.php",
{g: "satellite", map: "world"},
{wrapDateLine: true} );
var m = new OpenLayers.Map('map');
m.addLayer(layer);
m.zoomToMaxExtent();
t.eq(layer.grid[0][0].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=-768&l=0&s=221471921.25", "grid[0][0] kamap is okay");
t.eq(layer.grid[0][3].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=-768&l=-256&s=221471921.25", "grid[0][3] kamap is okay");
t.eq(layer.grid[3][0].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=0&l=0&s=221471921.25", "grid[3][0] is okay");
}
function test_Layer_WrapDateLine_WMS_Overlay (t) {
t.plan( 3 );
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
baselayer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true});
var layer = new OpenLayers.Layer.WMS( "DM Solutions Demo",
"http://www2.dmsolutions.ca/cgi-bin/mswms_gmap",
{layers: "bathymetry,land_fn,park,drain_fn,drainage," +
"prov_bound,fedlimit,rail,road,popplace",
transparent: "true", format: "image/png"},
{wrapDateLine: true, reproject: false});
var m = new OpenLayers.Map('map');
m.addLayers([baselayer,layer]);
m.zoomToMaxExtent();
t.eq(layer.grid[0][0].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=0%2C450%2C180%2C630&WIDTH=256&HEIGHT=256", "grid[0][0] wms overlay is okay");
t.eq(layer.grid[0][3].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=-180%2C450%2C0%2C630&WIDTH=256&HEIGHT=256", "grid[0][3] wms overlay is okay");
t.eq(layer.grid[3][0].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "grid[3][0] wms overlay okay");
}
// -->
</script>
</head>
<body>
<div id="map" style="width:1000px;height:550px"></div>
</body>
</html>

1
tests/list-tests.html
View File

@@ -49,6 +49,7 @@
<li>Layer/test_TMS.html</li>
<li>Layer/test_Vector.html</li>
<li>Layer/test_GML.html</li>
<li>Layer/test_WrapDateLine.html</li>
<li>test_Tile.html</li>
<li>Tile/test_Image.html</li>
<li>test_Control.html</li>