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plugin: max-links

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- fix for API changes
- change to perform triangulation in screen coordinates, rather than lat/lng treated as x/y coords. gives better triangulation
- ignore portals outside the viewport for triangulation purposes - prevents artifact portals adding long triangles off the edge of the screen
This commit is contained in:
Jon Atkins 2013-12-01 15:34:06 +00:00
parent 3bfd83a0c2
commit 2b68487c4b
1 changed files with 16 additions and 15 deletions
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31
plugins/max-links.user.js
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@ -2,7 +2,7 @@
// @id max-links@boombuler
// @name IITC plugin: Max Links
// @category Layer
// @version 0.4.1.@@DATETIMEVERSION@@
// @version 0.4.2.@@DATETIMEVERSION@@
// @updateURL @@UPDATEURL@@
// @downloadURL @@DOWNLOADURL@@
// @description [@@BUILDNAME@@-@@BUILDDATE@@] Calculates how to link the portals to create a reasonably tidy set of links/fields. Enable from the layer chooser. (Max Links is a poor name, but remains for historical reasons.)
@ -22,27 +22,21 @@ window.plugin.maxLinks = function() {};
// const values
window.plugin.maxLinks.MAX_PORTALS_TO_LINK = 200;
// zoom level used for projecting points between latLng and pixel coordinates. may affect precision of triangulation
window.plugin.maxLinks.PROJECT_ZOOM = 16;
window.plugin.maxLinks.STROKE_STYLE = {
color: '#FF0000',
opacity: 1,
weight: 2,
weight: 1.5,
clickable: false,
dashArray: [8,6],
dashArray: [6,4],
smoothFactor: 10,
};
window.plugin.maxLinks.layer = null;
window.plugin.maxLinks.errorMarker = null;
window.plugin.maxLinks.Point = function(x,y) {
this.x=x;
this.y=y;
}
window.plugin.maxLinks.Point.prototype.toString = function() {
return this.x+","+this.y;
}
window.plugin.maxLinks.addErrorMarker = function() {
if (window.plugin.maxLinks.errorMarker == null) {
@ -81,10 +75,13 @@ window.plugin.maxLinks.updateLayer = function() {
var locations = [];
var bounds = map.getBounds();
$.each(window.portals, function(guid, portal) {
var loc = portal.options.details.locationE6;
var nloc = new window.plugin.maxLinks.Point(loc.latE6/1E6, loc.lngE6/1E6);
locations.push(nloc);
var ll = portal.getLatLng();
if (bounds.contains(ll)) {
var p = map.project (portal.getLatLng(), window.plugin.maxLinks.PROJECT_ZOOM);
locations.push(p);
}
});
var triangles = window.delaunay.triangulate(locations);
@ -117,7 +114,11 @@ window.plugin.maxLinks.updateLayer = function() {
//using drawnLinks[a] as a set - so the stored value is of no importance
drawnLinks[a][b] = null;
var poly = L.polyline([[a.x,a.y],[b.x,b.y]], window.plugin.maxLinks.STROKE_STYLE);
// convert back from x/y coordinates to lat/lng for drawing
var alatlng = map.unproject (a, window.plugin.maxLinks.PROJECT_ZOOM);
var blatlng = map.unproject (b, window.plugin.maxLinks.PROJECT_ZOOM);
var poly = L.polyline([alatlng, blatlng], window.plugin.maxLinks.STROKE_STYLE);
poly.addTo(window.plugin.maxLinks.layer);
drawnLinkCount++;
}