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snap to vertices or edges

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This commit is contained in:
drnextgis
2016-03-20 03:04:58 +06:00
parent 7990bb3bf6
commit d41bfde25d
3 changed files with 99 additions and 13 deletions
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37
test/spec/ol/interaction/snapinteraction.test.js
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@@ -64,6 +64,42 @@ describe('ol.interaction.Snap', function() {
expect(event.coordinate).to.eql([0, 0]);
});
it('snaps to edges only', function() {
var point = new ol.Feature(new ol.geom.LineString([[-10, 0], [10, 0]]));
var snapInteraction = new ol.interaction.Snap({
features: new ol.Collection([point]),
pixelTolerance: 5,
vertex: false
});
snapInteraction.setMap(map);
var event = {
pixel: [7 + width / 2, height / 2 - 4],
coordinate: [7, 4],
map: map
};
ol.interaction.Snap.handleEvent_.call(snapInteraction, event);
expect(event.coordinate).to.eql([7, 0]);
});
it('snaps to vertices only', function() {
var point = new ol.Feature(new ol.geom.LineString([[-10, 0], [10, 0]]));
var snapInteraction = new ol.interaction.Snap({
features: new ol.Collection([point]),
pixelTolerance: 5,
edge: false
});
snapInteraction.setMap(map);
var event = {
pixel: [7 + width / 2, height / 2 - 4],
coordinate: [7, 4],
map: map
};
ol.interaction.Snap.handleEvent_.call(snapInteraction, event);
expect(event.coordinate).to.eql([10, 0]);
});
});
});
@@ -73,4 +109,5 @@ goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.geom.Point');
goog.require('ol.geom.LineString');
goog.require('ol.interaction.Snap');