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<?php
/*
* Analysis Console for Intrusion Databases (ACID)
*
* Author: Roman Danyliw <rdd@cert.org>, <roman@danyliw.com>
*
* Copyright (C) 2000, 2001 Carnegie Mellon University
* (see the file 'acid_main.php' for license details)
*
* Purpose: Displays the actual .GIF/.PNG/.TIFF image
* of the chart
*
* Input GET/POST variables
* - width: chart width
* - height: chart width
* - title: chart title
* - xaxis_label: x-axis label
* - yaxis_label: y-axis label
* - xdata[][]: data and label array for the y-axis
* - yaxis_scale: (boolean) 0: linear; 1: logarithmic
* - rotate_xaxis_lbl: (boolean) rotate X-axis labels 90 degrees
* - style: [bar|line] chooses the style of the chart
*/
include ("acid_conf.php");
include ("acid_graph_common.php");
session_start();
session_register('xdata');
LoadGraphingLib($ChartLib_path);
/* Verifies that the chart width is not too small
*
* algorithm: width >= const + number_of_points * factor
*/
$width_const = 50;
$width_factor = 10;
if ( $width < ($width_const + count ($data) * $width_factor)) {
$width = $width_const + count ($data) * $width_factor;
}
$graph = new PHPlot($width, $height);
$graph->SetIsInline("0");
$graph->SetBrowserCache("0");
/* Allocate enough space for the X,Y-axis data label */
$x_maxlength = 10; /* 10 is the PHP default size */
/* Create the data array */
for ($i = 0; $i < count($xdata); $i++)
{
if ( $style != "pie" )
{
$xdata_graph[$i] = array($xdata[$i][0], $xdata[$i][1]);
}
else
{
$xdata[$i] = array( count($data)+1 );
$xdata[$i][0] = $datalbl[$i];
for ( $j = 1; $j < $i; $j++)
$xdata[$i][$j] = 0;
$xdata[$i][$i+1] = $data[$i];
$legend[$i] = $datalbl[$i];
}
if (strlen($xdata[$i][0]) > $x_maxlength)
{
// if the label is too small, expand the label size to fit
$x_maxlength = strlen($xdata[$i][0]);
}
}
$graph->SetDataType("text-data");
$graph->SetPlotType($style);
switch($style)
{
case "bars":
$graph->SetDataType("text-data");
break;
case "linepoints":
$graph->SetDataType("text-data");
break;
case "pie":
$graph->SetDataType("text-data");
$graph->SetLegend($legend);
break;
case "thinbarline":
$graph->SetDataType("data-data");
break;
}
/* read the X-axis labels as text */
$graph->SetXGridLabelType ("title");
$graph->SetPrecisionY(0);
$graph->SetPrecisionX(0);
$graph->SetBackgroundColor($chart_bg_color_default);
$graph->SetLightGridColor($chart_lgrid_color_default);
/* Check if need to rotate X-Axis label */
if ( $rotate_xaxis_lbl == 1 )
$graph->SetXDataLabelAngle(90);
$graph->SetFileFormat($chart_file_format);
//$graph->SetUseTTF("0");
/* Set y-axis scale */
if ( $yaxis_scale == 1 )
$graph->SetYScaleType("log");
$graph->SetXDataLabelMaxlength($x_maxlength);
$graph->SetDrawYGrid("1");
$graph->SetDataValues($xdata_graph);
$graph->SetXLabel($xaxis_label);
$graph->SetYLabel($yaxis_label);
$graph->SetTitle($title);
$graph->SetDataColors( array( $chart_bar_color_default ),
array("black") );
//$graph->SetBackgroundColor("grey");
$graph->DrawGraph();
//$graph->DrawLegend(100, 100, '');
?>
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