Category:Library | Category:Library -> External | Category:Library -> Charts
Panaci: A Charting Library
Panaci is an application library for CodeIgniter.
If your application needs to output graphic charts at run-time, such as bar, line
area, step or impulse charts, then Panaci makes this rather easy.It utilises the Panachart charting class released under the GPL by Eugen Fernea.
Requirements
PHP 4 or 5.
Codeigniter 1.4.0 or higher No changes to CI code
The graphics library GD version 2
Update 2007-04-22: (Please download latest version)
Fixed a bug in the class not trapping division by zero.
Added an initialization routine, this will improve handling of multiple plots to one page
Thx to justhatched for the patch.
Update 2006-11-04:
There are now 2 versions, one is for CI v1.4.x and the other for CI v1.5.0
Please note, this is NOT a commercial grade library such as jpgraph or chartdirector, but it is quite adequate for basic plots and provides the following features:
Features
Compact (23k) and efficient code.
Bandwidth friendly, the average image size for a 450*250 image is around 2K
Can output to a file or directly to an HTTP stream
Supports several plot types eg. bars, lines, dots, areas, step, impulse
Supports multiple series plots on the same image
Supports automatic scaling of plot area by axis labels size
An example plot
Basic usage
From your controller
$params = array('width' => 450, 'height' => 250, 'margin' => 15, 'backgroundColor' => '#eeeeee');
$this->load->library('chart', $params);
From your Controller function
function graph()
{
$data_2001 = array(43,163,56,21,0,22,0,5,73,152,123,294);
$data_2002 = array(134,101,26,46,22,64,0,28,8,0,50,50);
$Labels = array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
$this->chart->setTitle("Annual Rainfall","#000000",2);
$this->chart->setLegend(SOLID, "#444444", "#ffffff", 2);
$this->chart->setPlotArea(SOLID,"#444444", '#dddddd');
$this->chart->setFormat(0,',','.');
$this->chart->addSeries($data_2001,'dot','2001 ', SOLID,'#00ff00', '#00ff00');
$this->chart->addSeries($data_2002,'area','2002 ', SOLID,'#ff0000', '#00ffff');
$this->chart->setXAxis('#000000', SOLID, 1, "2001");
$this->chart->setYAxis('#000000', SOLID, 2, "Rainfall in MM");
$this->chart->setLabels($Labels, '#000000', 1, HORIZONTAL);
$this->chart->setGrid("#bbbbbb", DASHED, "#bbbbbb", DOTTED);
$this->chart->plot('./images/file.png');
$this->load->view('graph');
}
Demo and Documentation
There is an online demo available at Panaci
Download
A download is available from here Panaci
The file contains everything you need, including documentation and examples.
Unzip the file into a temporary directory, open the index.html file for instructions.
I would like to know if anyone is using this, it might help persuade Eugen to release his
latest version of Panachart. He has been sitting on it for a bit.
Enjoy
Oscar Bajner