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Problem with normalize to 100% 
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amemait
New pChart user
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Joined: Thu Jan 13, 2011 5:39 pm
Posts: 2
Post Problem with normalize to 100%
Hi.

I'm using pChart 2.0.12 and love it! Thanks so much for a cool package!

Unfortunately, I have discovered an issue with normalizing a chart to 100% when several values are zero. In my example, Networks 3, 4, and 7 have all zero values, but it graphs them as multiple pieces of 100%.

My example source code is here, and this is what it looks like:

Image

Thanks.
:Michael S.
Thu Jan 13, 2011 7:57 pm
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jean-damien
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Joined: Thu Dec 02, 2010 2:31 pm
Posts: 409
Location: France
Post Re: Problem with normalize to 100%
Nice one!

You can replace the following code from the normalize() function in the pData classe :
Code:
       if ( $Factor == 0 ) { $Factor = 1; }
       $Factor = $NormalizationFactor / $Factor;

       foreach ($SelectedSeries as $Key => $SerieName )
        {
         $Value = $this->Data["Series"][$SerieName]["Data"][$i];

         if ( $Value != VOID && $Factor != $NormalizationFactor )
          $this->Data["Series"][$SerieName]["Data"][$i] = round(abs($Value)*$Factor,$Round);
         elseif ( $Value == VOID  )
          $this->Data["Series"][$SerieName]["Data"][$i] = VOID;
         elseif ( $Factor == $NormalizationFactor )
          $this->Data["Series"][$SerieName]["Data"][$i] = $NormalizationFactor;
        }

By
Code:
       if ( $Factor != 0 )
        {
         $Factor = $NormalizationFactor / $Factor;

         foreach ($SelectedSeries as $Key => $SerieName )
          {
           $Value = $this->Data["Series"][$SerieName]["Data"][$i];

           if ( $Value != VOID && $Factor != $NormalizationFactor )
            $this->Data["Series"][$SerieName]["Data"][$i] = round(abs($Value)*$Factor,$Round);
           elseif ( $Value == VOID || $Value == 0 )
            $this->Data["Series"][$SerieName]["Data"][$i] = VOID;
           elseif ( $Factor == $NormalizationFactor )
            $this->Data["Series"][$SerieName]["Data"][$i] = $NormalizationFactor;
          }
        }


Thank you!
JD.
Thu Jan 13, 2011 8:34 pm
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amemait
New pChart user
New pChart user

Joined: Thu Jan 13, 2011 5:39 pm
Posts: 2
Post Re: Problem with normalize to 100%
Awesome. Thank you very much! Works like a champ.

_________________
Michael Skurka
Austin, TX

Thu Jan 13, 2011 8:44 pm
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jean-damien
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Joined: Thu Dec 02, 2010 2:31 pm
Posts: 409
Location: France
Post Re: Problem with normalize to 100%
This has been fixed in the 2.1.0 that you can get from here : download.

Kind regards,
JD.
Wed Jan 26, 2011 3:01 pm
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