119 lines
3.2 KiB
JavaScript
119 lines
3.2 KiB
JavaScript
goog.provide('ol.test.parser.TopoJSON');
|
|
|
|
var aruba = {
|
|
type: 'Topology',
|
|
transform: {
|
|
scale: [0.036003600360036005, 0.017361589674592462],
|
|
translate: [-180, -89.99892578124998]
|
|
},
|
|
objects: {
|
|
aruba: {
|
|
type: 'Polygon',
|
|
arcs: [[0]],
|
|
id: 533
|
|
}
|
|
},
|
|
arcs: [
|
|
[[3058, 5901], [0, -2], [-2, 1], [-1, 3], [-2, 3], [0, 3], [1, 1], [1, -3],
|
|
[2, -5], [1, -1]]
|
|
]
|
|
};
|
|
|
|
|
|
describe('ol.parser.TopoJSON', function() {
|
|
|
|
var parser;
|
|
before(function() {
|
|
parser = new ol.parser.TopoJSON();
|
|
});
|
|
|
|
describe('constructor', function() {
|
|
it('creates a new parser', function() {
|
|
expect(parser).to.be.a(ol.parser.Parser);
|
|
expect(parser).to.be.a(ol.parser.TopoJSON);
|
|
});
|
|
});
|
|
|
|
describe('#readFeaturesFromTopology_()', function() {
|
|
|
|
it('creates an array of features from a topology', function() {
|
|
var features = parser.readFeaturesFromTopology_(aruba);
|
|
expect(features).to.have.length(1);
|
|
|
|
var feature = features[0];
|
|
expect(feature).to.be.a(ol.Feature);
|
|
|
|
var geometry = feature.getGeometry();
|
|
expect(geometry).to.be.a(ol.geom.Polygon);
|
|
|
|
expect(geometry.getBounds()).to.eql([
|
|
-70.08100810081008,
|
|
-69.9009900990099,
|
|
12.417091709170947,
|
|
12.608069195591469
|
|
]);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#readFeaturesFromString()', function() {
|
|
|
|
it('parses world-110m.geojson with shared vertices', function(done) {
|
|
afterLoadText('spec/ol/parser/topojson/world-110m.json', function(text) {
|
|
|
|
var pointVertices = new ol.geom.SharedVertices();
|
|
var lineVertices = new ol.geom.SharedVertices();
|
|
var polygonVertices = new ol.geom.SharedVertices();
|
|
|
|
var lookup = {
|
|
'point': pointVertices,
|
|
'linestring': lineVertices,
|
|
'polygon': polygonVertices,
|
|
'multipoint': pointVertices,
|
|
'multilinstring': lineVertices,
|
|
'multipolygon': polygonVertices
|
|
};
|
|
|
|
var callback = function(feature, type) {
|
|
return lookup[type];
|
|
};
|
|
|
|
var result = parser.readFeaturesFromString(text, {callback: callback});
|
|
expect(result.length).to.be(178);
|
|
|
|
expect(pointVertices.coordinates.length).to.be(0);
|
|
expect(lineVertices.coordinates.length).to.be(0);
|
|
expect(polygonVertices.coordinates.length).to.be(31400);
|
|
|
|
var first = result[0];
|
|
expect(first).to.be.a(ol.Feature);
|
|
var firstGeom = first.getGeometry();
|
|
expect(firstGeom).to.be.a(ol.geom.MultiPolygon);
|
|
expect(firstGeom.getBounds()).to.eql([
|
|
-180, 180, -85.60903777459777, 83.64513000000002
|
|
]);
|
|
|
|
var last = result[177];
|
|
expect(last).to.be.a(ol.Feature);
|
|
var lastGeom = last.getGeometry();
|
|
expect(lastGeom).to.be.a(ol.geom.Polygon);
|
|
expect(lastGeom.getBounds()).to.eql([
|
|
25.26325263252633, 32.848528485284874,
|
|
-22.271802279310577, -15.50833810039586
|
|
]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
goog.require('ol.Feature');
|
|
goog.require('ol.geom.MultiPolygon');
|
|
goog.require('ol.geom.Polygon');
|
|
goog.require('ol.geom.SharedVertices');
|
|
goog.require('ol.parser.Parser');
|
|
goog.require('ol.parser.TopoJSON');
|