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POHow to use Json in Flot for ploting graph?
 

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  1. POHow to use Json in Flot for ploting graph?
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    <p>I'm using <a href="https://github.com/flot/flot/blob/master/API.md" rel="nofollow">Flot Graph Api</a> to display bar chart, line chart in my clien side php. I try to pass Json to plot graph as they have mentioned in their examples.</p> <p>I pack the Json like this,</p> <pre><code> [{"label":"63f9311f-5d33-66ad-dcc1-353054485572","bars":{"show":true},"data": [[-170.44530493708,270.44530493708]]},{"label":"8f6dcf4a-b20c-8059-1410-353054486037","bars":{"show":true},"data":[[-791.50048402711,891.50048402711]]},{"label":"c2b4cf75-3e0b-f9ff-722e-353054485803","bars":{"show":true},"data":[[-1280.0484027106,1380.0484027106]]},{"label":"eb963e23-75cd-6131-867a-353054485894","bars":{"show":true},"data":[[-1487.2604065828,1587.2604065828]]},{"label":"ef413106-d5be-593b-1cda-353054485719","bars":{"show":true},"data":[[-1940.9583736689,2040.9583736689]]}] </code></pre> <p>But the graph is not ploting.</p> <pre><code> $.ajax({ url: '../c/By_Machine_Controller.php', //the script to call to get data data: "", //you can insert url argumnets here to pass to api.php //for example "id=5&amp;parent=6" dataType: 'json', //data format success: function(data) //on recieve of reply { var Up = []; var Down = []; Up = data[0]; //get Up Down = data[1]; //get Down //alert(Up); $.plot($("#placeholder"), [ Up , Down ]); } }); </code></pre> <p>Is it anything to do with Json or My JS is wrong. Since, i am new to flot i don't have any clue. Can anyone help me out.</p> <p>The Answer i have entered works fine, but in this case, i'm writing the JSON into a temp file and accessing it, but my requirement is,</p> <p>I calculate the values for the flot in MODEL Folder in my localhost and passing it as associative array and encoding it as a JSON in CONTROLLER Folder. Now i need to access the JSON in VIEW Folder in my localhost.</p> <p>CONTROLLER CODE:</p> <pre><code> $json = json_encode($allData); $myFile = "ReasonByTime.txt"; $fh = fopen($myFile, 'w') or die("can't open file"); $stringData = "Bobby Bopper\n"; fwrite($fh, $json); fclose($fh); </code></pre> <p>But when i access the $json of the CONTROLLER in the VIEW through JS like the following, its not working. I googled it but i was not able to fix it. Can you help me out with this?</p> <p>VIEW JS CODE TO ACCESS JSON From CONTROLLER.</p> <pre><code> $(document).ready(function () { //var dataurl = '../c/By_Machine_Controller.php'; function onDataReceived(data) { $.plot(placeholder, data, options); } $.ajax({ type: "GET", url: '../c/By_Machine_Controller.php', data: 'data', dataType: 'json', success: function(data) { alert(data); } }); }); </code></pre>
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