abdb336354
git-svn-id: http://svn.openlayers.org/trunk/openlayers@12099 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
232 lines
6.5 KiB
HTML
232 lines
6.5 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<script src="../OLLoader.js"></script>
|
|
<script type="text/javascript">
|
|
|
|
function test_initialize(t) {
|
|
t.plan(1);
|
|
var layer = new OpenLayers.Layer.PointGrid();
|
|
t.ok(layer instanceof OpenLayers.Layer.PointGrid, "instance created");
|
|
layer.destroy();
|
|
}
|
|
|
|
function test_name(t) {
|
|
t.plan(1);
|
|
var layer = new OpenLayers.Layer.PointGrid({name: "foo"});
|
|
t.eq(layer.name, "foo", "name set like every other property");
|
|
layer.destroy();
|
|
}
|
|
|
|
function test_spacing(t) {
|
|
t.plan(7);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [1],
|
|
maxExtent: new OpenLayers.Bounds(-100, -50, 100, 50),
|
|
dx: 10,
|
|
dy: 10,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 0
|
|
});
|
|
|
|
t.eq(layer.features.length, 200, "200 features");
|
|
|
|
// set dx/dy together
|
|
layer.setSpacing(20);
|
|
t.eq(layer.dx, 20, "dx 20");
|
|
t.eq(layer.dy, 20, "dy 20");
|
|
t.eq(layer.features.length, 50, "50 features");
|
|
|
|
// set dx/dy independently
|
|
layer.setSpacing(50, 25);
|
|
t.eq(layer.dx, 50, "dx 50");
|
|
t.eq(layer.dy, 25, "dy 25");
|
|
t.eq(layer.features.length, 16, "16 features");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_ratio(t) {
|
|
t.plan(3);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [1],
|
|
maxExtent: new OpenLayers.Bounds(-100, -50, 100, 50),
|
|
dx: 25,
|
|
dy: 25,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 0
|
|
});
|
|
|
|
t.eq(layer.features.length, 32, "32 features");
|
|
|
|
// increase ratio (1.5 -> 300 x 150)
|
|
layer.setRatio(1.5);
|
|
t.eq(layer.ratio, 1.5, "ratio 1.5");
|
|
t.eq(layer.features.length, 72, "72 features");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_maxFeatures(t) {
|
|
t.plan(3);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [1],
|
|
maxExtent: new OpenLayers.Bounds(-100, -50, 100, 50),
|
|
dx: 10,
|
|
dy: 10,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 0
|
|
});
|
|
|
|
t.eq(layer.features.length, 200, "200 features");
|
|
|
|
// limit maxFeatures
|
|
layer.setMaxFeatures(150);
|
|
t.eq(layer.maxFeatures, 150, "maxFeatures 150");
|
|
t.ok(layer.features.length <= 150, "<= 150 features");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_rotation(t) {
|
|
t.plan(6);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [1],
|
|
maxExtent: new OpenLayers.Bounds(-100, -50, 100, 50),
|
|
dx: 10,
|
|
dy: 10,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 0
|
|
});
|
|
|
|
function getRotation(layer) {
|
|
// grid starts at bottom left and goes up
|
|
var g0 = layer.features[0].geometry;
|
|
var g1 = layer.features[1].geometry;
|
|
// subtract 90 to get rotation of grid
|
|
return Math.atan2(g1.y - g0.y, g1.x - g0.x) * (180 / Math.PI) - 90;
|
|
}
|
|
|
|
t.eq(layer.rotation, 0, "0 rotation");
|
|
t.eq(getRotation(layer).toFixed(3), (0).toFixed(3), "0 grid")
|
|
|
|
// rotate grid 25 degrees counter-clockwise
|
|
layer.setRotation(25);
|
|
t.eq(layer.rotation, 25, "25 rotation");
|
|
t.eq(getRotation(layer).toFixed(3), (25).toFixed(3), "25 grid");
|
|
|
|
// rotate grid 45 degrees clockwise
|
|
layer.setRotation(-45);
|
|
t.eq(layer.rotation, -45, "-45 rotation");
|
|
t.eq(getRotation(layer).toFixed(3), (-45).toFixed(3), "-45 grid");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_origin(t) {
|
|
t.plan(7);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [1],
|
|
maxExtent: new OpenLayers.Bounds(-100, -50, 100, 50),
|
|
dx: 10,
|
|
dy: 10,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 0
|
|
});
|
|
|
|
var origin = layer.getOrigin();
|
|
t.ok(map.getExtent().getCenterLonLat().equals(origin), "default is center of map extent");
|
|
|
|
var g0 = layer.features[0].geometry;
|
|
|
|
t.eq((g0.x - origin.lon) % layer.dx, 0, "a) lattice aligned with origin x");
|
|
t.eq((g0.y - origin.lat) % layer.dy, 0, "a) lattice aligned with origin y");
|
|
|
|
// set origin
|
|
layer.setOrigin(new OpenLayers.LonLat(-5, 12));
|
|
origin = layer.getOrigin();
|
|
t.eq(origin.lon, -5, "-5 origin x");
|
|
t.eq(origin.lat, 12, "12 origin y");
|
|
|
|
g0 = layer.features[0].geometry;
|
|
t.eq((g0.x - origin.lon) % layer.dx, 0, "b) lattice aligned with origin x");
|
|
t.eq((g0.y - origin.lat) % layer.dy, 0, "b) lattice aligned with origin y");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_zoom(t) {
|
|
t.plan(2);
|
|
|
|
var layer = new OpenLayers.Layer.PointGrid({
|
|
isBaseLayer: true,
|
|
resolutions: [2, 1],
|
|
maxExtent: new OpenLayers.Bounds(-200, -100, 200, 100),
|
|
dx: 20,
|
|
dy: 20,
|
|
ratio: 1
|
|
});
|
|
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
center: new OpenLayers.LonLat(0, 0),
|
|
zoom: 1
|
|
});
|
|
|
|
t.eq(layer.features.length, 50, "50 features at zoom 1");
|
|
|
|
map.zoomTo(0);
|
|
t.eq(layer.features.length, 200, "200 features at zoom 0")
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div id="map" style="width:200px;height:100px"></div>
|
|
</body>
|
|
</html>
|