ChartDirector 7.0 (PHP Edition)

White Horizontal Bar Meters


          

This example demonstrates horizontal bar meters in a white coloring scheme, and with bars in various shading styles.

Source Code Listing

[File: phpdemo/whitehbarmeter.php]
<?php require_once("../lib/phpchartdir.php"); function createChart($viewer, $chartIndex) { # The value to display on the meter $value = 75.35; # Create a LinearMeter object of size 260 x 80 pixels with very light grey (0xeeeeee) backgruond # and a light grey (0xccccccc) 3-pixel thick rounded frame $m = new LinearMeter(260, 80, 0xeeeeee, 0xaaaaaa); $m->setRoundedFrame(Transparent); $m->setThickFrame(3); # Set the scale region top-left corner at (18, 24), with size of 222 x 20 pixels. The scale # labels are located on the top (implies horizontal meter) $m->setMeter(18, 24, 222, 20, Top); # Set meter scale from 0 - 100, with a tick every 10 units $m->setScale(0, 100, 10); # Demostrate different types of color scales $smoothColorScale = array(0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000); $stepColorScale = array(0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100); $highLowColorScale = array(0, 0x0000ff, 40, Transparent, 60, Transparent, 100, 0xff0000); $highColorScale = array(70, Transparent, 100, 0xff0000); if ($chartIndex == 0) { # Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners $m->addBar(0, $value, 0x0088ff, glassEffect(NormalGlare, Top), 4); # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale) $m->addColorScale($smoothColorScale, 48, 5); } else if ($chartIndex == 1) { # Add a green (0x00cc00) bar from 0 to value with bar lighting effect $m->addBar(0, $value, 0x00cc00, barLighting()); # Add a 5-pixel thick step color scale at y = 48 (below the meter scale) $m->addColorScale($stepColorScale, 48, 5); } else if ($chartIndex == 2) { # Add a purple (0x8833dd) bar from 0 to value with glass effect and 4 pixel rounded corners $m->addBar(0, $value, 0x8833dd, glassEffect(NormalGlare, Top), 4); # Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale) $m->addColorScale($highLowColorScale, 48, 5); } else if ($chartIndex == 3) { # Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect $m->addBar(0, $value, 0xff8800, cylinderEffect()); # Add a high only color scale at y = 48 (below the meter scale) with thickness varying from # 0 to 8 $m->addColorScale($highColorScale, 48, 0, 48, 8); } else if ($chartIndex == 4) { # Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners $m->addBar(0, $value, 0xee3333, glassEffect(NormalGlare, Top), 4); # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale) $m->addColorScale($smoothColorScale, 48, 5); } else { # Add a grey (0xaaaaaa) bar from 0 to value $m->addBar(0, $value, 0xaaaaaa); # Add a 5-pixel thick step color scale at y = 48 (below the meter scale) $m->addColorScale($stepColorScale, 48, 5); } # Add a label right aligned to (243, 65) using 8pt Arial Bold font $m->addText(243, 65, "Temperature C", "Arial Bold", 8, TextColor, Right); # Add a text box left aligned to (18, 65). Display the value using white (0xffffff) 8pt Arial # Bold font on a black (0x000000) background with depressed rounded border. $t = $m->addText(18, 65, $m->formatValue($value, "2"), "Arial", 8, 0xffffff, Left); $t->setBackground(0x000000, 0x000000, -1); $t->setRoundedCorners(3); # Output the chart $viewer->setChart($m, SVG); } # This example includes 6 charts $viewers = array(); for ($i = 0; $i < 6; ++$i) { $viewers[$i] = new WebChartViewer("chart$i"); createChart($viewers[$i], $i); } ?> <!DOCTYPE html> <html> <head> <title>White Horizontal Bar Meters</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> White Horizontal Bar Meters </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a> </div> <!-- ****** Here are the chart images ****** --> <?php for ($i = 0; $i < count($viewers); ++$i) { echo $viewers[$i]->renderHTML(), " "; } ?> </body> </html>