<?php
require_once("../lib/phpchartdir.php");
# This script can draw different charts depending on the chartIndex
$chartIndex = (int)($_REQUEST["img"]);
# The value to display on the meter
$value = 75.35;
# Create a LinearMeter object of size 70 x 240 pixels with very light grey (0xeeeeee) backgruond and
# a light grey (0xccccccc) 3-pixel thick rounded frame
$m = new LinearMeter(70, 240, 0xeeeeee, 0xcccccc);
$m->setRoundedFrame(Transparent);
$m->setThickFrame(3);
# This example demonstrates putting the text labels at the left or right side by setting the label
# alignment and scale position.
if ($chartIndex == 0) {
$m->setMeter(28, 18, 20, 205, Left);
} else {
$m->setMeter(20, 18, 20, 205, Right);
}
# Set meter scale from 0 - 100, with a tick every 10 units
$m->setScale(0, 100, 10);
# Add a smooth color scale to the meter
$smoothColorScale = array(0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100, 0xff0000);
$m->addColorScale($smoothColorScale);
# Add a blue (0x0000cc) pointer at the specified value
$m->addPointer($value, 0x0000cc);
# Output the chart
header("Content-type: image/png");
print($m->makeChart2(PNG));
?> |