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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Geometry/Curve.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Geometry/Curve.js | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Geometry/Curve.js b/misc/openlayers/lib/OpenLayers/Geometry/Curve.js deleted file mode 100644 index e663e0b..0000000 --- a/misc/openlayers/lib/OpenLayers/Geometry/Curve.js +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - -/** - * @requires OpenLayers/Geometry/MultiPoint.js - */ - -/** - * Class: OpenLayers.Geometry.Curve - * A Curve is a MultiPoint, whose points are assumed to be connected. To - * this end, we provide a "getLength()" function, which iterates through - * the points, summing the distances between them. - * - * Inherits: - * - <OpenLayers.Geometry.MultiPoint> - */ -OpenLayers.Geometry.Curve = OpenLayers.Class(OpenLayers.Geometry.MultiPoint, { - - /** - * Property: componentTypes - * {Array(String)} An array of class names representing the types of - * components that the collection can include. A null - * value means the component types are not restricted. - */ - componentTypes: ["OpenLayers.Geometry.Point"], - - /** - * Constructor: OpenLayers.Geometry.Curve - * - * Parameters: - * point - {Array(<OpenLayers.Geometry.Point>)} - */ - - /** - * APIMethod: getLength - * - * Returns: - * {Float} The length of the curve - */ - getLength: function() { - var length = 0.0; - if ( this.components && (this.components.length > 1)) { - for(var i=1, len=this.components.length; i<len; i++) { - length += this.components[i-1].distanceTo(this.components[i]); - } - } - return length; - }, - - /** - * APIMethod: getGeodesicLength - * Calculate the approximate length of the geometry were it projected onto - * the earth. - * - * projection - {<OpenLayers.Projection>} The spatial reference system - * for the geometry coordinates. If not provided, Geographic/WGS84 is - * assumed. - * - * Returns: - * {Float} The appoximate geodesic length of the geometry in meters. - */ - getGeodesicLength: function(projection) { - var geom = this; // so we can work with a clone if needed - if(projection) { - var gg = new OpenLayers.Projection("EPSG:4326"); - if(!gg.equals(projection)) { - geom = this.clone().transform(projection, gg); - } - } - var length = 0.0; - if(geom.components && (geom.components.length > 1)) { - var p1, p2; - for(var i=1, len=geom.components.length; i<len; i++) { - p1 = geom.components[i-1]; - p2 = geom.components[i]; - // this returns km and requires lon/lat properties - length += OpenLayers.Util.distVincenty( - {lon: p1.x, lat: p1.y}, {lon: p2.x, lat: p2.y} - ); - } - } - // convert to m - return length * 1000; - }, - - CLASS_NAME: "OpenLayers.Geometry.Curve" -}); |