Problem with chart


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Posted by Aram on 12th December 2012
Hi!

Can you help me? What is wrong in my code?


  <canvas id="cvs" width="600" height="250">[No canvas support]</canvas>
    
  <script>
  <?php
$sql = "SELECT id FROM pos_sale ";
$result = mysql_query($sql) or die ('Query Error: ' . mysql_error());
$n=0;
echo "rd=[";
while ($results = mysql_fetch_assoc($result))
{
     echo (($n==0) ? '' : ', ').$results['id'];
  $n++;
}
echo "];";
?>
       window.onload = function ()
         {
             var bar = new RGraph.Bar('cvs', [1,rd]);
             bar.Set('background.image', '../images/bg.png');
             bar.Set('background.grid', false);
             bar.Set('labels', ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']);
             bar.Set('key', ['Sunshine in 2000', 'Sunshine in 2005']);
             bar.Set('key.position.gutter.boxed', false);
             bar.Set('key.position', 'gutter');
             bar.Set('key.background', 'rgb(255,255,255)');
             bar.Set('colors', ['yellow', 'red']);
             bar.Set('shadow', true);
             bar.Set('shadow.blur', 15);
             bar.Set('shadow.offsetx', 0);
             bar.Set('shadow.offsety', 0);
             bar.Set('shadow.color', '#aaa');
             bar.Set('strokestyle', 'rgba(0,0,0,0)');
             bar.Set('gutter.left', 55);
             bar.Set('gutter.right', 5);
             bar.Set('hmargin.grouped', 1);
             RGraph.Effects.Fade.In(bar, {'duration': 500, 'frames': 10});
         }
     </script>
Posted by RGraph support on 12th December 2012
Hi,

Any error message will be in your Javascript console - what does it say in there?
Posted by Aram on 12th December 2012
[RGRAPH]: Warning: You have a negative bar width. This may be cost by the graph hmargin.....I see this alert (Google Chrome)
After pressing ok I can see the graph.
In console log there are no errors.

Also it does not work in Explorer and Mozilla.
What can I do?
Thank you for your response!
Posted by RGraph support on 12th December 2012
Hi,

Set chart.hmargin to 0 and/or widen your canvas.

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