ChartDirector 7.0 (PHP Edition)

White Vertical Bar Meters


          

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

Source Code Listing

[File: phpdemo/whitevbarmeter.php]
<?php require_once("../lib/phpchartdir.php"); function createChart($viewer, $chartIndex) { # The value to display on the meter $value = 74.25; # Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee) backgruond # and a grey (0xbbbbbb) 3-pixel thick rounded frame $m = new LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb); $m->setRoundedFrame(Transparent); $m->setThickFrame(3); # Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale # labels are located on the left (default - implies vertical meter). $m->setMeter(28, 33, 20, 194); # 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); $highColorScale = array(70, Transparent, 100, 0xff0000); $lowColorScale = array(0, 0x0000ff, 30, Transparent); if ($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, Left), 4); # Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale) $m->addColorScale($smoothColorScale, 53, 6); } else if ($chartIndex == 1) { # Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel rounded # corners $m->addBar(0, $value, 0x00cc00, barLighting(), 4); # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0 # to 8 $m->addColorScale($highColorScale, 52, 0, 52, 8); # Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8 # to 0 $m->addColorScale($lowColorScale, 52, 8, 52, 0); } else if ($chartIndex == 2) { # Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners $m->addBar(0, $value, 0x8833dd, glassEffect(NormalGlare, Left), 4); # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0 # to 8 $m->addColorScale($highColorScale, 52, 0, 52, 8); } else if ($chartIndex == 3) { # Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect $m->addBar(0, $value, 0xff8800, cylinderEffect()); # Add a high only color scale at x = 53 (right of meter scale) $m->addColorScale($highColorScale, 53, 6); } 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, Left), 4); # Add a step color scale at x = 53 (right of meter scale) $m->addColorScale($stepColorScale, 53, 6); } else { # Add a grey (0xaaaaaa) bar from 0 to value $m->addBar(0, $value, 0xaaaaaa); # Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0 to # 8 $m->addColorScale($smoothColorScale, 52, 0, 52, 8); } # Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background $m->addTitle("Temp C", "Arial Bold", 8, TextColor)->setBackground(0xbbbbbb); # Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold # font on a black (0x000000) background with rounded border. $t = $m->addText($m->getWidth() / 2, $m->getHeight() - 8, $m->formatValue($value, "2"), "Arial Bold", 8, 0xffffff, Bottom); $t->setBackground(0x000000); $t->setRoundedCorners(3); $t->setMargin2(5, 5, 2, 1); # 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], $i); } ?> <!DOCTYPE html> <html> <head> <title>White Vertical Bar Meters</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> White Vertical Bar Meters </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a> </div> <!-- ****** Here are the chart images ****** --> <?php for ($i = 0; $i < count($viewers); ++$i) { echo $viewers[$i]->renderHTML(), " "; } ?> </body> </html>