Update graph from json data

convert json to graph
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visualization json data

I got a go program that outputs json data:

{ "cpu" : { 
      "Idle" : 9875425,
      "Iowait" : 28338,
      "Irq" : 5,
      "Nice" : 9707,
      "Softirq" : 4051,
      "System" : 153933,
      "Time" : 1329211407,
      "User" : 392229
},
"cpu0" : { 
      "Idle" : 2417441,
      "Iowait" : 3212,
      "Irq" : 5,
      "Nice" : 1419,
      "Softirq" : 3935,
      "System" : 62177,
      "Time" : 1329211407,
      "User" : 109227
    },
}

I'm looking for a good efficient way to present and update a graph using javascript (say for every 1s).

Live Updating Charts from JSON API & AJAX, Get data from external JSON source and render the chart. var dataPoints = []; $. each(data, function(key, value){ dataPoints. push({x: value[0], y: parseInt(value[1])}); }); chart = new CanvasJS. Chart("chartContainer",{ title:{ text:"Live Chart with dataPoints from External JSON" type: "line", Update Charts from JSON API & AJAX A guide on how to update the charts from JSON API & AJAX. In many cases, you might not have the data available immediately when rendering a page. Or, you might have to wait for certain user interactions before the data can be fetched. In such cases, it is a good idea to render an empty chart initially and then fetch chart data via AJAX request.

I'm a big fan of dygraphs. Very powerful. Very flexible.

JavaScript Charts & Graphs from JSON Data Using AJAX, CanvasJS Charts can also be plotted using JSON data API. Generally, it's good idea to fetch data via AJAX request rather than embeddingRead More it in the  Updating Charts from JSON Data API in ASP.NET MVC Application Here is an example on Updating Chart using JSON Data API in ASP.NET MVC Application. Generally it’s a good idea to fetch data via ajax rather than embedding in the web page. JSON data is easy to parse and generate the chart accordingly.

I like to work with the d3js library for this kind of work.

http://mbostock.github.com/d3/

It has very nice functions to update graphs with new data.

Maybe you can base your work on the "bullet charts" example.

Data From JSON | Working with Data, While it is possible to work with JSON Graph data directly, it is much more convenient to work And this is what set operation must return to update the client:. Generally, it’s good idea to fetch data via AJAX request rather than embedding it in the web page. It is easy to parse JSON data and generate graph accordingly. This way you can separate the UI from Data. You can also use XML or CSV to plot data in the chart. The given example show how to parse JSON data from AJAX request and render chart.

Google has a BUNCH of apis. You should check some of them out. One of them is the chart api here. It let's you make QR codes too. Google even has some examples in the js playground: http://code.google.com/apis/ajax/playground/?type=visualization#annotated_time_line

JSON Graph, A guide on how to update the charts from JSON API & AJAX. In many cases, you might not have the data available immediately when rendering a page. Or, you  To update the content of a OneNote page, you send a PATCH request to the page's content endpoint: Send a JSON change object in the message body. If the request is successful, Microsoft Graph returns a 204 HTTP status code.

Update Charts from JSON API & AJAX, Our charts are simple and the data format is just as easy. We take a standard JSON object to style the chart and a standard javascript array for data. You don't need a custom query language to query JSON in SQL Server. To query JSON data, you can use standard T-SQL. If you must create a query or report on JSON data, you can easily convert JSON data to rows and columns by calling the OPENJSON rowset function. For more information, see Convert JSON Data to Rows and Columns with OPENJSON (SQL

Using JSON Data, Here I am going to show you how to create Line charts or line graphs using Google Chart tools using dynamic JSON data or data extracted from an external  To update the options, mutating the options property in place or passing in a new options object are supported. If the options are mutated in place, other option properties would be preserved, including those calculated by Chart.js. If created as a new object, it would be like creating a new chart with the options - old options would be discarded.

Create Line Charts with Dynamic JSON data using Google Charts, I'm writing an application using flask and AJAX. I am having trouble updating my plot with new data from a POST request. The JSON data  Plotting JSON Data with Chart.js. Jan 10, 2016 : KTown : 9 minute read Chart.js is a open-source, light-weight (~11KB) library based on the HTML5 canvas control. It supports a limited number of charts, but unlike Google Charts it can be embedded directly in your website and made available offline. Table of Contents. Basic Usage. Static JSON Data

Comments
  • What javascript graph library are you using if any?
  • I have looked at flotr which looks like what I need.
  • What sort of graph (pie, bar, ...)? And how complex is the design? If not too complex it's easily achieved by just setting a css value (e.g. height) on some DOM elements, avoiding canvas/svg based js graphing libraries.
  • Graphs of this can be created with koia.io.<br> Koia uses D3.js under the hood. <br> The source code is on github.com/centeractive/koia