jquery - How to read data in json file in javascript to use it for google charts? -


i have data in path static/data.json.i trying plot chart using google charts.i want take out data in data.json file , use google charts.

data.json given below

data = '[{"k": "ram" , "v":0.515625},{"k": "camera" , "v":0.515625},{"k": "design" , "v":0.05},{"k": "processor" , "v":0},]';

my html code in template/isworked.html.

below code isworked.html

<html>    <head>      <!--load ajax api-->      <script type="text/javascript" src="https://www.google.com/jsapi"></script>      <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>      <script type="application/json" src="static/d.json"></script>            <script type="text/javascript">  	        // load visualization api , piechart package.        google.load('visualization', '1.0', {'packages':['corechart']});          // set callback run when google visualization api loaded.        google.setonloadcallback(drawchart);          // callback creates , populates data table,        // instantiates pie chart, passes in data ,        // draws it.                    	var mydata = json.parse(data);    	function drawchart() {  	          // create data table.                              //loading data json          var data = new google.visualization.datatable();         	data.addcolumn('string', 'feature');          data.addcolumn('number', 'positive');       	var f,n;          for(var = 0 ; i<data.length;i++){          	f = data[i].k          	n = data[i].v          	data.addrows([[f,n]])          }                    // set chart options          var options = {'title':'pie chart',                         'width':800,                         'height':700};            // instantiate , draw our chart, passing in options.          var chart = new google.visualization.piechart(document.getelementbyid('chart_div'));          chart.draw(data, options);              	  }      </script>    </head>

i not able plot graph. data.json generated python script. running everyting using flask framework in ubuntu

i have no experience in topic. can me?

uberkael correct.

update: corrected multiple problems code , data, e.g., trailing comma in data. works ... click "run code snippet" button.

"mydata" problem. attempting use data before json file has loaded. triggers error. , mydata not used anything. need add div hold pie chart. code snippet below works, json data incorrect drawing pie chart. correct data , should work you.

<!doctype html>  	<html>  	<head>      <script type="text/javascript" src="https://www.google.com/jsapi"></script>      <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>      <script type="text/javascript">  	    var mydata = [{"k": "ram" , "v":0.515625},{"k": "camera" , "v":0.515625},{"k": "design" , "v":0.05},{"k": "processor" , "v": 0}];      </script>      <script type="text/javascript">  		google.load('visualization', '1.0', {'packages':['corechart']});  		google.setonloadcallback(drawchart);  	  		function drawchart() {  	        var data = new google.visualization.datatable();  	       	data.addcolumn('string', 'feature');  	        data.addcolumn('number', 'positive');  	     	var f,n;  	        for(var = 0 ; i<mydata.length;i++){  	        	f = mydata[i].k  	        	n = mydata[i].v  	        	data.addrows([[f,n]])  	        }  	        var options = {'title':'pie chart', 'width':800, 'height':700};  	        var chart = new google.visualization.piechart(document.getelementbyid('chart_div'));  	        chart.draw(data, options);  		}      </script>  	</head>  	<body>  		<div id="chart_div"></div>  	</body>  	</html>


Comments

Post a Comment

Popular posts from this blog

jquery - How do you format the date used in the popover widget title of FullCalendar? -

Image
in fullcalendar, how format date used in popover widget title when clicking '+n more'? code: <div class="fc-popover fc-more-popover"> <div class="fc-header fc-widget-header"> <span class="fc-close fc-icon fc-icon-x"></span> <span class="fc-title">tuesday, april 7</span> ... </div> ... </div> you use daypopoverformat that. determines date format of title of popover created eventlimitclick option. must date formatting string. default value "dddd, mmmm d" english , "ll" other languages.
Read more

Bubble Sort Manually a Linked List in Java -

Image
this first question here. trying manually sort linked list of integers in java , can not figure out wrong code. suggestions? don't error, still have output unordered. tried few different ways, nothing worked. appreciate if can me that. public class node { int data; node nextnode; public node(int data) { this.data = data; this.nextnode = null; } public int getdata() { return this.data; } } // node class public class datalinkedlist implements datainterface { private node head; private int size; public datalinkedlist(){ this.head = null; this.size = 0; } public void add(int data) { node node = new node(data); if (head == null) { head = node; } else { node currentnode = head; while(currentnode.nextnode != null) { currentnode = currentnode.nextnode; } currentnode.nextnode = node; ...
Read more

asp.net mvc - SSO between MVCForum and Umbraco7 -

i need integrate sso between mvcforum (forum of company) , umbraco7 (manages cms company). however struggling shared authentication work. tried several ways suggested on other threads still not running expected. here did: 1. in mvcforum (forum.mywebsite.com) 1.1. machine key in web.xml: <machinekey validationkey="the same key umbraco7" decryptionkey="the same key umbraco7" validation="sha1" decryption="aes" /> 1.2. authenticate forms in web.xml <forms name="my-sso-auth" protection="all" path="/" timeout="43200" domain="forum.mywebsite.com" loginurl="/members/logon" enablecrossappredirects="true" /> 2. in umbraco7 (news.mywebsite.com) 2.1. machine key in web.xml: <machinekey validationkey="the same key mvcforum" decryptionkey="the same key mvcforum" validation="sha1" decryption="aes" /> 2.2. a...
Read more