markzone.php

Back to Chart Graphics

<?php require_once("../lib/phpchartdir.php"); # The data for the chart $data = array(40, 45, 37, 24, 32, 39, 53, 52, 63, 49, 46, 40, 54, 50, 57, 57, 48, 49, 63, 67, 74, 72, 70, 89, 74); $labels = array("0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "0\nJun 5"); # Create a XYChart object of size 400 x 270 pixels $c = new XYChart(400, 270); # Set the plotarea at (80, 60) and of size 300 x 200 pixels. Turn off the grid lines by setting # their colors to Transparent. $c->setPlotArea(80, 28, 300, 200)->setGridColor(Transparent); # Add a title to the y axis $textbox = $c->yAxis->setTitle("Temperature"); # Set the y axis title upright (font angle = 0) $textbox->setFontAngle(0); # Put the y axis title on top of the axis $textbox->setAlignment(TopLeft2); # Add green (0x99ff99), yellow (0xffff99) and red (0xff9999) zones to the y axis to represent the # ranges 0 - 50, 50 - 80, and 80 - max. $c->yAxis->addZone(0, 50, 0x99ff99); $c->yAxis->addZone(50, 80, 0xffff99); $c->yAxis->addZone(80, 9999, 0xff9999); # Add a purple (0x800080) mark at y = 70 using a line width of 2. $c->yAxis->addMark(70, 0x800080, "Alert = 70")->setLineWidth(2); # Add a green (0x008000) mark at y = 40 using a line width of 2. $c->yAxis->addMark(40, 0x008000, "Watch = 40")->setLineWidth(2); # Add a legend box at (165, 0) (top right of the chart) using 8pt Arial font. and horizontal layout. $legend = $c->addLegend(165, 0, false, "Arial Bold", 8); # Disable the legend box boundary by setting the colors to Transparent $legend->setBackground(Transparent, Transparent); # Add 3 custom entries to the legend box to represent the 3 zones $legend->addKey("Normal", 0x80ff80); $legend->addKey("Warning", 0xffff80); $legend->addKey("Critical", 0xff8080); # Set the labels on the x axis. $c->xAxis->setLabels($labels); # Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels. $c->xAxis->setLabelStep(3, 1); # Add a 3D bar layer with the given data $layer = $c->addBarLayer($data, 0xbbbbff); # Set the bar gap to 0 so that the bars are packed tightly $layer->setBarGap(0); # Set the border color of the bars same as the fill color, with 1 pixel 3D border effect. $layer->setBorderColor(SameAsMainColor, 1); # Output the chart $viewer = new WebChartViewer("chart1"); $viewer->setChart($c, SVG); # Include tool tip for the chart $viewer->setImageMap($c->getHTMLImageMap("", "", "title='Temperature at {x}:00 = {value} C'")); ?> <!DOCTYPE html> <html> <head> <title>Marks and Zones (1)</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> Marks and Zones (1) </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a> </div> <!-- ****** Here is the chart image ****** --> <?php echo $viewer->renderHTML(); ?> </body> </html>