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Clip oneway markers to viewport (fixes #2638)

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This commit is contained in:
John Firebaugh
2015-05-11 14:45:11 -07:00
parent 20a75ac983
commit 6eb075c0e7
1 changed files with 5 additions and 6 deletions
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js/id/svg.js
+5 -6
View File
@@ -43,7 +43,7 @@ iD.svg = {
i = 0,
offset = dt,
segments = [],
viewport = iD.geo.Extent(projection.clipExtent()),
clip = d3.geo.clipExtent().extent(projection.clipExtent()).stream,
coordinates = graph.childNodes(entity).map(function(n) {
return n.loc;
});
@@ -53,7 +53,7 @@ iD.svg = {
d3.geo.stream({
type: 'LineString',
coordinates: coordinates
}, projection.stream({
}, projection.stream(clip({
lineStart: function() {},
lineEnd: function() {
a = null;
@@ -62,10 +62,9 @@ iD.svg = {
b = [x, y];
if (a) {
var extent = iD.geo.Extent(a).extend(b),
span = iD.geo.euclideanDistance(a, b) - offset;
var span = iD.geo.euclideanDistance(a, b) - offset;
if (extent.intersects(viewport) && span >= 0) {
if (span >= 0) {
var angle = Math.atan2(b[1] - a[1], b[0] - a[0]),
dx = dt * Math.cos(angle),
dy = dt * Math.sin(angle),
@@ -91,7 +90,7 @@ iD.svg = {
a = b;
}
}));
})));
return segments;
};