1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
var layer;
var name = 'Test Layer';
var url = "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/${z}/${x}/${y}.png";
var options = {'layername':'basic', 'type':'png'};
function test_Layer_XYZ_constructor (t) {
t.plan( 1 );
layer = new OpenLayers.Layer.XYZ(name, url, options);
t.ok( layer instanceof OpenLayers.Layer.XYZ, "returns OpenLayers.Layer.XYZ object" );
}
function test_Layer_XYZ_clearTiles (t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0));
//grab a reference to one of the tiles
var tile = layer.grid[0][0];
layer.clearGrid();
t.ok( layer.grid != null, "layer.grid does not get nullified" );
map.destroy();
}
function test_Layer_XYZ_getXYZBounds(t) {
t.plan( 1 );
layer = new OpenLayers.Layer.XYZ(name, url, options);
var bl = { bounds: new OpenLayers.Bounds(1,2,2,3)};
var tr = { bounds: new OpenLayers.Bounds(2,3,3,4)};
layer.grid = [ [6, tr],
[bl, 7]];
var bounds = layer.getTilesBounds();
var testBounds = new OpenLayers.Bounds(1,2,3,4);
t.ok( bounds.equals(testBounds), "getXYZBounds() returns correct bounds")
layer.grid = null;
}
function test_Layer_XYZ_getResolution(t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
map.zoom = 5;
t.eq( layer.getResolution(), 0.0439453125, "getResolution() returns correct value");
map.destroy();
}
function test_Layer_XYZ_getZoomForExtent(t) {
t.plan( 2 );
var bounds, zoom;
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
bounds = new OpenLayers.Bounds(10,10,12,12);
zoom = layer.getZoomForExtent(bounds);
t.eq( zoom, 8, "getZoomForExtent() returns correct value");
bounds = new OpenLayers.Bounds(10,10,100,100);
zoom = layer.getZoomForExtent(bounds);
t.eq( zoom, 2, "getZoomForExtent() returns correct value");
map.destroy();
}
/** THIS WOULD BE WHERE THE TESTS WOULD GO FOR
*
* -moveTo
* -insertColumn
* -insertRow
function 07_Layer_XYZ_moveTo(t) {
}
function 08_Layer_XYZ_insertColumn(t) {
}
function 09_Layer_XYZ_insertRow(t) {
}
*
*/
function test_Layer_XYZ_getURL(t) {
t.plan(6);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 9);
var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "Tile URL is correct");
layer.url = ["http://tilecache1/", "http://tilecache2/", "http://tilecache3/"];
tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
t.eq(tileurl, "http://tilecache1/", "Tile URL is deterministic");
layer.url = url;
tileurl = layer.getURL(new OpenLayers.Bounds(180.515625,45,181.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/513/63.png", "Tile URL is correct");
tileurl = layer.getURL(new OpenLayers.Bounds(-181.515625,45,-180.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/-2/63.png", "Tile URL is correct");
layer.wrapDateLine = true;
tileurl = layer.getURL(new OpenLayers.Bounds(180.515625,45,181.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/1/63.png", "Tile URL is correct");
tileurl = layer.getURL(new OpenLayers.Bounds(-181.515625,45,-180.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/510/63.png", "Tile URL is correct");
map.destroy();
}
function test_Layer_XYZ_Rounding(t) {
t.plan(1);
m = new OpenLayers.Map("map", {'maxExtent':new OpenLayers.Bounds(-122.6579,37.4901,-122.0738,37.8795)});
layer = new OpenLayers.Layer.XYZ( "XYZ",
url, {layername: 'basic', type:'png', resolutions:[0.000634956337608418], buffer: 2} );
m.addLayer(layer);
m.zoomToMaxExtent()
t.eq(layer.getURL(layer.grid[3][3].bounds), "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/0/1/0.png", "XYZ tiles around rounded properly.");
m.destroy();
}
function test_Layer_XYZ_setMap(t) {
t.plan(3);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url);
t.eq(layer.tileOrigin, null, "Tile origin starts out null");
layer.setMap(map);
t.eq(layer.tileOrigin.lat, -90, "lat is -90");
t.eq(layer.tileOrigin.lon, -180, "lon is -180");
map.destroy();
}
function test_Layer_XYZ_serverResolutions(t) {
t.plan(2);
var map = new OpenLayers.Map('map', {
resolutions: [13,11]
});
var layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 1);
var tileurl = layer.getURL(new OpenLayers.Bounds(0,0,0,0));
var level = parseInt(tileurl.split('/')[7]);
t.eq(map.getZoom(), level, "Tile zoom level is correct without serverResolutions");
layer.serverResolutions = [14,13,12,11,10];
tileurl = layer.getURL(new OpenLayers.Bounds(0,0,0,0));
level = parseInt(tileurl.split('/')[7]);
var res = map.getResolution();
var gotLevel = OpenLayers.Util.indexOf(layer.serverResolutions, res);
t.eq(gotLevel, level, "Tile zoom level is correct with serverResolutions");
map.destroy();
}
function test_zoomOffset(t) {
t.plan(2);
var offset;
// test offset of 2
offset = 2;
var map = new OpenLayers.Map({
div: "map",
maxResolution: 1.40625 / Math.pow(2, offset)
});
var layer = new OpenLayers.Layer.XYZ(name, url, {zoomOffset: offset});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 7);
var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "correct URL for offset of 2");
map.destroy();
// test offset of -1
offset = -1;
var map = new OpenLayers.Map({
div: "map",
maxResolution: 1.40625 / Math.pow(2, offset)
});
var layer = new OpenLayers.Layer.XYZ(name, url, {zoomOffset: offset});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 10);
var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "correct URL for offset of -1");
map.destroy();
}
function test_Layer_XYZ_destroy (t) {
t.plan( 3 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
layer.destroy();
t.eq( layer.grid, null, "layer.grid is null after destroy" );
t.eq( layer.tileSize, null, "layer.tileSize is null after destroy" );
//test with tile creation
layer = new OpenLayers.Layer.XYZ(name, url, options);
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
//grab a reference to one of the tiles
var tile = layer.grid[0][0];
layer.destroy();
t.ok( layer.grid == null, "tiles appropriately destroyed");
map.destroy();
}
function test_clone(t) {
t.plan(1);
layer = new OpenLayers.Layer.XYZ(name, url, options);
var clone = layer.clone();
t.ok(clone instanceof OpenLayers.Layer.XYZ, "clone is a Layer.XYZ instance");
}
</script>
</head>
<body>
<div id="map" style="width:500px;height:550px"></div>
</body>
</html>
|
