calvinmetcalf/README.md

## README.md

      
    Raw
  

              README.md
            
          
    points show up for 0 opacity lines

with 0 opacity lines there seems to be point features that show up at lower zooms but go away when you zoom in

  
## ascript.js
var m = L.map('map').setView([42.2, -71], 8),
mapQuestAttr = 'Tiles Courtesy of <a href="http://www.mapquest.com/">MapQuest</a> &mdash; ',
osmDataAttr = 'Map data &copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
mopt = {
    url: 'http://otile{s}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.jpeg',
    options: {attribution:mapQuestAttr + osmDataAttr, subdomains:'1234'}
 };
var mq=L.tileLayer(mopt.url,mopt.options).addTo(m);
var roads = L.geoJson.ajax("roads.json",{style:{opacity:0,fillOpacity:0}}).addTo(m);

## index.html
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=1024, user-scalable=no">
    <style>
      html { height: 100% }
      body { height: 100%; margin: 0; padding: 0;}
      #map{ height: 100% }
    </style>
    <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.css" />
<!--[if lte IE 8]>
    <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.ie.css" />
<![endif]-->

<script src="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.js"></script>
<script src="leaflet.ajax.js"></script>


    <title>Road Inventory</title>
    </head>
    <body>
    <div id="map"></div>
      <script type="text/javascript" src="ascript.js"></script>


    </body>
</html>

## leaflet.ajax.js
L.GeoJSON.AJAX=L.GeoJSON.extend({
    defaultAJAXparams:{
     dataType:"json",
     callbackParam:"callback"
    },
    initialize: function (url, options) { // (String, Object)

        this._url = url;
        var ajaxParams = L.Util.extend({}, this.defaultAJAXparams);

        for (var i in options) {
			if (this.defaultAJAXparams.hasOwnProperty(i)) {
				ajaxParams[i] = options[i];
			}
		}

		this.ajaxParams = ajaxParams;
        this._layers = {};
		L.Util.setOptions(this, options);
        if(this._url){
            this.addUrl(this._url);
        }
    },
    addUrl: function (url) {
        var _this = this;
        _this._url = url;
        if(this.ajaxParams.dataType.toLowerCase()==="json"){
          L.Util.ajax(url, function(data){_this.addData(data);});
        }else if(this.ajaxParams.dataType.toLowerCase()==="jsonp"){
            L.Util.jsonp(url, function(data){_this.addData(data);}, _this.ajaxParams.callbackParam);
        }
    },
    refresh: function (url){
    url = url || this._url;
    this.clearLayers();
    this.addUrl(url);
    }
});
L.Util.ajax = function (url, cb){
    var response, request = new XMLHttpRequest();
    request.open("GET",url);
    request.onreadystatechange = function(){
        if (request.readyState === 4 && request.status === 200 ){
            response = JSON.parse(request.responseText);
            cb(response);
        }
    };
    request.send();
};
L.Util.jsonp = function (url, cb, cbParam, callbackName){
    var cbn,ourl,cbs;
    var cbParam = cbParam || "callback";
    if(callbackName){
        cbn= callbackName;
    }else{
        cbs = "_" + Math.floor(Math.random()*1000000);
        cbn = "L.Util.jsonp.cb." + cbs;
    }
    L.Util.jsonp.cb[cbs] = cb;
    var scriptNode = L.DomUtil.create('script','', document.getElementsByTagName('body')[0] );
    scriptNode.type = 'text/javascript';
    if (url.indexOf("?") === -1 ){
        ourl =  url+"?"+cbParam+"="+cbn;
    }else{
        ourl =  url+"&"+cbParam+"=."+cbn;
    }
    scriptNode.src = ourl;
};
L.Util.jsonp.cb = {};
L.geoJson.ajax = function (geojson, options) {
    return new L.GeoJSON.AJAX(geojson, options);
};

## roads.json

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

              roads.json
            
          
        Loading

      Sorry, something went wrong. Reload?
      Sorry, we cannot display this file.
      Sorry, this file is invalid so it cannot be displayed.
      
          Viewer requires iframe.
	var m = L.map('map').setView([42.2, -71], 8),
	mapQuestAttr = 'Tiles Courtesy of <a href="http://www.mapquest.com/">MapQuest</a> — ',
	osmDataAttr = 'Map data © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
	mopt = {
	url: 'http://otile{s}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.jpeg',
	options: {attribution:mapQuestAttr + osmDataAttr, subdomains:'1234'}
	};
	var mq=L.tileLayer(mopt.url,mopt.options).addTo(m);
	var roads = L.geoJson.ajax("roads.json",{style:{opacity:0,fillOpacity:0}}).addTo(m);
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
	<meta name="viewport" content="width=1024, user-scalable=no">
	<style>
	html { height: 100% }
	body { height: 100%; margin: 0; padding: 0;}
	#map{ height: 100% }
	</style>
	<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.css" />
	<!--[if lte IE 8]>
	<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.ie.css" />
	<![endif]-->

	<script src="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.js"></script>
	<script src="leaflet.ajax.js"></script>




	<title>Road Inventory</title>
	</head>
	<body>
	<div id="map"></div>
	<script type="text/javascript" src="ascript.js"></script>


	</body>
	</html>
	L.GeoJSON.AJAX=L.GeoJSON.extend({
	defaultAJAXparams:{
	dataType:"json",
	callbackParam:"callback"
	},
	initialize: function (url, options) { // (String, Object)

	this._url = url;
	var ajaxParams = L.Util.extend({}, this.defaultAJAXparams);

	for (var i in options) {
	if (this.defaultAJAXparams.hasOwnProperty(i)) {
	ajaxParams[i] = options[i];
	}
	}

	this.ajaxParams = ajaxParams;
	this._layers = {};
	L.Util.setOptions(this, options);
	if(this._url){
	this.addUrl(this._url);
	}
	},
	addUrl: function (url) {
	var _this = this;
	_this._url = url;
	if(this.ajaxParams.dataType.toLowerCase()==="json"){
	L.Util.ajax(url, function(data){_this.addData(data);});
	}else if(this.ajaxParams.dataType.toLowerCase()==="jsonp"){
	L.Util.jsonp(url, function(data){_this.addData(data);}, _this.ajaxParams.callbackParam);
	}
	},
	refresh: function (url){
	url = url \|\| this._url;
	this.clearLayers();
	this.addUrl(url);
	}
	});
	L.Util.ajax = function (url, cb){
	var response, request = new XMLHttpRequest();
	request.open("GET",url);
	request.onreadystatechange = function(){
	if (request.readyState === 4 && request.status === 200 ){
	response = JSON.parse(request.responseText);
	cb(response);
	}
	};
	request.send();
	};
	L.Util.jsonp = function (url, cb, cbParam, callbackName){
	var cbn,ourl,cbs;
	var cbParam = cbParam \|\| "callback";
	if(callbackName){
	cbn= callbackName;
	}else{
	cbs = "_" + Math.floor(Math.random()*1000000);
	cbn = "L.Util.jsonp.cb." + cbs;
	}
	L.Util.jsonp.cb[cbs] = cb;
	var scriptNode = L.DomUtil.create('script','', document.getElementsByTagName('body')[0] );
	scriptNode.type = 'text/javascript';
	if (url.indexOf("?") === -1 ){
	ourl = url+"?"+cbParam+"="+cbn;
	}else{
	ourl = url+"&"+cbParam+"=."+cbn;
	}
	scriptNode.src = ourl;
	};
	L.Util.jsonp.cb = {};
	L.geoJson.ajax = function (geojson, options) {
	return new L.GeoJSON.AJAX(geojson, options);
	};