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[SOLVED] Plot


sandy1028

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Hi,

 

I am facing problem against plotting when passed from the array for fixed width and height of image...

 

Please help me with this

 

 

 

 

$graphValues=array(12,30);

// Define .PNG image
header("Content-type: image/png");
$imgWidth=30;
$imgHeight=15;

// Create image and define colors
$image=imagecreate($imgWidth, $imgHeight);
$colorWhite=imagecolorallocate($image, 0, 255, 255);
$colorGrey=imagecolorallocate($image, 192, 192, 192);
$colorBlue=imagecolorallocate($image, 0, 0, 255);
$colorred=imagecolorallocate($image, 255, 0, 0);


imagefill($image, 0, 0, $colorGrey);

$maxv = 0;
//Taking the maximum value
for($i=0;$i<2;$i++){
$maxv = max($graphValues[$i],$maxv);
}

for($i=0;$i<2;$i++)
{


//verticle lines
imageline($image, $i*50, 0, $i*50, 30, $colorGrey);
imagefilledrectangle($image, 0 ,0,$avg,$imgWidth,$colorred);
//Horizontal lines
}

// Output graph and clear image from memory
imagepng($image);
imagedestroy($image);

?>


 

 

 

 

 

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