Регистрация Войти
Войти через VK Войти через FB Войти через Google Войти через Яндекс
Войти через VK Войти через FB Войти через Google Войти через Яндекс
Поиск по сайту
Столбцовая диаграмма
// This array of values is just here for the example.
$values = array("23","32","35","57","12",
"3","36","54","32","15",
"43","24","30");
// Get the total number of columns we are going to plot
$columns = count($values);
// Get the height and width of the final image
$width = 300;
$height = 200;
// Set the amount of space between each column
$padding = 5;
// Get the width of 1 column
$column_width = $width / $columns ;
// Generate the image variables
$im = imagecreate($width,$height);
$gray = imagecolorallocate ($im,0xcc,0xcc,0xcc);
$gray_lite = imagecolorallocate ($im,0xee,0xee,0xee);
$gray_dark = imagecolorallocate ($im,0x7f,0x7f,0x7f);
$white = imagecolorallocate ($im,0xff,0xff,0xff);
// Fill in the background of the image
imagefilledrectangle($im,0,0,$width,$height,$white);
$maxv = 0;
// Calculate the maximum value we are going to plot
for($i=0;$i<$columns;$i++)$maxv = max($values[$i],$maxv);
// Now plot each column
for($i=0;$i<$columns;$i++)
{
$column_height = ($height / 100) * (( $values[$i] / $maxv) *100);
$x1 = $i*$column_width;
$y1 = $height-$column_height;
$x2 = (($i+1)*$column_width)-$padding;
$y2 = $height;
imagefilledrectangle($im,$x1,$y1,$x2,$y2,$gray);
// This part is just for 3D effect
imageline($im,$x1,$y1,$x1,$y2,$gray_lite);
imageline($im,$x1,$y2,$x2,$y2,$gray_lite);
imageline($im,$x2,$y1,$x2,$y2,$gray_dark);
}
// Send the PNG header information. Replace for JPEG or GIF or whatever
header ("Content-type: image/png");
imagepng($im);
Источник: http://code.web-max.ca/image_graph.php
.
Прокомментировать/Отблагодарить