logaxis.php

来自「一个绝对棒的报表绘图软件」· PHP 代码 · 共 30 行

<?php
require_once("../lib/phpchartdir.php");

# The data for the chart
$data = array(100, 125, 260, 147, 67);
$labels = array("Mon", "Tue", "Wed", "Thu", "Fri");

# Create a XYChart object of size 200 x 180 pixels
$c = new XYChart(200, 180);

# Set the plot area at (30, 10) and of size 140 x 130 pixels
$c->setPlotArea(30, 10, 140, 130);

# Ise log scale axis if required
if ($_REQUEST["img"] == "1") {
    $c->yAxis->setLogScale3();
}

# Set the labels on the x axis
$c->xAxis->setLabels($labels);

# Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars.
$barLayerObj = $c->addBarLayer3($data);
$barLayerObj->setBorderColor(-1, 1);

# output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));
?>