Morgan Herlocker morganherlocker

x1,y1,x2,y2 | x3,y3,x4,y4

vertical into horizontal

return x1, y3

##algorithm

create a grid around a point; grid should be (2*(minutes*0.8)) miles wide (assuming max speed is 70mph)
get the eta from the point to each gridpoint
run marching squares over the grid at the desired drive time

##notes

	scan point - z6 - z6 x 10,966,437 ops/sec ±3.60% (22 runs sampled)
	scan road - z6 - z6 x 298,475 ops/sec ±0.66% (23 runs sampled)
	scan road - z8 - z8 x 289,472 ops/sec ±2.35% (21 runs sampled)
	scan road - z10 - z10 x 295,153 ops/sec ±0.67% (22 runs sampled)
	scan road - z12 - z12 x 289,679 ops/sec ±1.77% (23 runs sampled)
	scan road - z18 - z18 x 59,491 ops/sec ±1.13% (23 runs sampled)
	scan road - z20 - z20 x 22,169 ops/sec ±1.29% (22 runs sampled)
	scan road - z25 - z25 x 250 ops/sec ±1.12% (22 runs sampled)
	scan road - z28 - z28 x 64.03 ops/sec ±1.02% (17 runs sampled)
	scan building - z6 - z6 x 100,749 ops/sec ±1.18% (24 runs sampled)

	//
	// FelkelStraightSkeleton.cpp: implementation of the vtStraightSkeleton class.
	//
	// Copyright (c) 2003-2009 Virtual Terrain Project
	// Free for all uses, see license.txt for details.
	//
	// Straight skeleton algorithm and original implementation
	// courtesy of Petr Felkel and Stepan Obdrzalek (petr.felkel@tiani.com)
	// Re-implemented for the Virtual Terrain Project (vterrain.org)
	// by Roger James (www.beardandsandals.co.uk)

	var average = require('turf-average')
	var sum = require('turf-sum')
	var median = require('turf-median')
	var min = require('turf-min')
	var max = require('turf-max')
	var deviation = require('turf-deviation')
	var variance = require('turf-variance')
	var count = require('turf-count')
	var turf = {}
	turf.average = average

	!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.simplify=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"/Users/morgan/Documents/projects/turfjs/turf/turf_modules/turf-simplify/index.js":[function(require,module,exports){
	var simplify = require('simplify-js');

	/**
	* Simplifies a {@link Feature} containing a {@link LineString} or
	* {@link Polygon} geomet