PiPlanter | Graphing With PHP

Again, short post. This php code:

&lt;?php
session_start();
require_once "/srv/www/lib/pChart/class/pDraw.class.php";
require_once "/srv/www/lib/pChart/class/pImage.class.php";
require_once "/srv/www/lib/pChart/class/pData.class.php";

$squareSeries = array();
$cubeSeries = array();
$fourthSeries = array();

for ($i = 0; $i &lt;= 4; $i++){ 	$squareSeries[$i] = pow($i,2); 	$cubeSeries[$i] = pow($i,3); 	$fourthSeries[$i] = pow($i, 4); } $myPowersData = new pData(); $myPowersData -&gt; addPoints($squareSeries,"Square");
$myPowersData -&gt; addPoints($cubeSeries,"Cube");
$myPowersData -&gt; addPoints($fourthSeries,"Fourth");

$myPowersData-&gt; setPalette("Square",
	array("R" =&gt; 240, "G" =&gt; 16, "B" =&gt; 16, "Alpha" =&gt; 100));
$myPowersData-&gt; setPalette("Cube",
	array("R" =&gt; 16, "G" =&gt; 240, "B" =&gt; 16, "Alpha" =&gt; 100));
$myPowersData-&gt; setPalette("Forth",
	array("R" =&gt; 16, "G" =&gt; 16, "B" =&gt; 240, "Alpha" =&gt; 100));

$myPowersImage = new pImage(500,300, $myPowersData);
$myPowersImage -&gt; setFontProperties(array(
	"FontName" =&gt; "/srv/www/lib/pChart/fonts/verdana.ttf",
	"FontSize" =&gt; 12));

$myPowersImage-&gt;setGraphArea(40,40, 460,260);
$myPowersImage-&gt;drawScale();

$myPowersImage-&gt;drawLineChart();
header("Content-Type: image/png");
$myPowersImage-&gt;Render(null);

<?php

session_start();

require_once "/srv/www/lib/pChart/class/pDraw.class.php";

require_once "/srv/www/lib/pChart/class/pImage.class.php";

require_once "/srv/www/lib/pChart/class/pData.class.php";

$squareSeries = array();

$cubeSeries = array();

$fourthSeries = array();

for ($i = 0; $i <= 4; $i++){ $squareSeries[$i] = pow($i,2); $cubeSeries[$i] = pow($i,3); $fourthSeries[$i] = pow($i, 4); } $myPowersData = new pData(); $myPowersData -> addPoints($squareSeries,"Square");

$myPowersData -> addPoints($cubeSeries,"Cube");

$myPowersData -> addPoints($fourthSeries,"Fourth");

$myPowersData-> setPalette("Square",

array("R" => 240, "G" => 16, "B" => 16, "Alpha" => 100));

$myPowersData-> setPalette("Cube",

array("R" => 16, "G" => 240, "B" => 16, "Alpha" => 100));

$myPowersData-> setPalette("Forth",

array("R" => 16, "G" => 16, "B" => 240, "Alpha" => 100));

$myPowersImage = new pImage(500,300, $myPowersData);

$myPowersImage -> setFontProperties(array(

"FontName" => "/srv/www/lib/pChart/fonts/verdana.ttf",

"FontSize" => 12));

$myPowersImage->setGraphArea(40,40, 460,260);

$myPowersImage->drawScale();

$myPowersImage->drawLineChart();

header("Content-Type: image/png");

$myPowersImage->Render(null);

will produce this graph:

I learned this using this resource:

http://phpmaster.com/charting-with-pchart/

esologic

PiPlanter | Graphing With PHP

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