55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
|
var geomUtils = require('./geomUtils');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a gpx route.
|
||
|
|
* @class
|
||
|
|
* @classdesc represents a route, an ordered list of waypoints representing a series of turn points leading to a destination.
|
||
|
|
* @param {string} name The name of the route.
|
||
|
|
* @param {string} cmt A comment regarding the route.
|
||
|
|
* @param {string} desc A description of the route.
|
||
|
|
* @param {object[]} points An array of waypoints representing the route.
|
||
|
|
**/
|
||
|
|
function GpxRoute(name, cmt, desc, points) {
|
||
|
|
|
||
|
|
name = name || "";
|
||
|
|
desc = desc || "";
|
||
|
|
cmt = cmt || "";
|
||
|
|
points = points || [];
|
||
|
|
|
||
|
|
this.__defineGetter__("name", function() {
|
||
|
|
return name;
|
||
|
|
});
|
||
|
|
|
||
|
|
this.__defineGetter__("cmt", function() {
|
||
|
|
return cmt;
|
||
|
|
});
|
||
|
|
|
||
|
|
this.__defineGetter__("description", function() {
|
||
|
|
return desc;
|
||
|
|
});
|
||
|
|
|
||
|
|
this.__defineGetter__("points", function() {
|
||
|
|
return points;
|
||
|
|
});
|
||
|
|
|
||
|
|
this.point = function(index) {
|
||
|
|
return points[index];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Calculates the length of the route
|
||
|
|
**/
|
||
|
|
this.length = function() {
|
||
|
|
var total = 0;
|
||
|
|
|
||
|
|
for (var j=0, jl = points.length -1; j<jl; j++) {
|
||
|
|
total += geomUtils.calculateDistance(points[j].lat,points[j].lon,points[j+1].lat,points[j+1].lon );
|
||
|
|
}
|
||
|
|
|
||
|
|
return total;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = GpxRoute;
|