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draw.php
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draw.php
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<?php
/*
_________
| INFO |__________________________________________________________________
| |
| draw.php |
| part of Cursor Tracker - version 1.5.1 - 01/02/2008 |
| Copyright 2007 Karl Payne |
|____________________________________________________________________________|
_________
| LICENSE |__________________________________________________________________
| |
| Cursor Tracker is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| Cursor Tracker is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with Cursor Tracker. If not, see <http://www.gnu.org/licenses/> |
|____________________________________________________________________________|
*/
// include the settings file
require('config.php');
require('functions.php');
// some settings relevant to only this file
$title = 'Analyse Data';
// include the header
include('header.php');
// connect to the database
dbConnect($host, $username, $password, $database);
// check if the form has been submitted
if($_POST['submit']) {
// decide whether we need to create a new heatmap or modify an existing one
if($_POST['choice1'] === 'new') {
// check the save-as name is valid
if(!preg_match('/^[a-zA-Z0-9_]+$/', $_POST['saveas'])){
die('Error: save-as filename not vlaid');
}
// set the image to be loaded to the blank image
$loadImagePath = 'trans.png';
$saveImageName = $_POST['saveas'].'.png';
} elseif ($_POST['choice1'] === 'existing') {
// check the file actually exists
if(!file_exists($outputDirectory.$_POST['existingname'])){
echo $outputDirectory.$_POST['existingname'];
die('Error: current file does not exist');
}
// set the image to be loaded to the existing image
$loadImagePath = $outputDirectory.$_POST['existingname'];
$saveImageName = $_POST['existingname'];
} else {
die('Error: new/existing choice not selected');
}
// load the image to which we will add our positional dots
$im = imagecreatefrompng($loadImagePath);
// preserve the alpha transparency
imagesavealpha ($im, true);
// allocate a load of colours, these colours were picked from the heatmap.bmp image and range from blue to red
// they are used to indicate the number of times a certain area has been visited, red being the most popular
$c_0 = imagecolorallocate($im, 183, 231, 248);
$c_1 = imagecolorallocate($im, 111, 207, 241);
$c_2 = imagecolorallocate($im, 118, 207, 224);
$c_3 = imagecolorallocate($im, 127, 207, 202);
$c_4 = imagecolorallocate($im, 137, 207, 177);
$c_5 = imagecolorallocate($im, 148, 208, 153);
$c_6 = imagecolorallocate($im, 159, 209, 132);
$c_7 = imagecolorallocate($im, 170, 211, 116);
$c_8 = imagecolorallocate($im, 183, 217, 108);
$c_9 = imagecolorallocate($im, 197, 227, 105);
$c_10 = imagecolorallocate($im, 212, 239, 107);
$c_11 = imagecolorallocate($im, 226, 244, 109);
$c_12 = imagecolorallocate($im, 240, 244, 110);
$c_13 = imagecolorallocate($im, 250, 244, 108);
$c_14 = imagecolorallocate($im, 255, 237, 100);
$c_15 = imagecolorallocate($im, 255, 208, 86);
$c_16 = imagecolorallocate($im, 255, 168, 70);
$c_17 = imagecolorallocate($im, 255, 123, 51);
$c_18 = imagecolorallocate($im, 255, 78, 32);
$c_19 = imagecolorallocate($im, 255, 38, 16);
$c_20 = imagecolorallocate($im, 255, 8, 3);
// validate result size
$arrAllowedSizes = array('pixel', '2square', '4square', '6circle', '8circle', '10circle');
if(!in_array($_POST['resultsize'], $arrAllowedSizes)){
die('invalid result size');
}
// build a query to get some data from the database
// path
if($_POST['path']) {
if(!preg_match('/([a-z0-9\/_\.])/i', $_POST['path'])){
die('invalid path format: '.$_POST['path']);
}
$arrWhere[] = 'path = \''.$_POST['path'].'\'';
}
// resolution
if($_POST['resolution']) {
if(!preg_match('/([0-9]{3,4})x([0-9]{3,4})/', $_POST['resolution'])){
die('invalid resolution format: '.$_POST['resolution']);
}
$arrWhere[] = 'resolution = \''.$_POST['resolution'].'\'';
}
// include and instantiate the validation class
require_once('class_validate.php');
$validator = new validate;
// date from
if($_POST['datefrom']) {
// validate the date format
if(!$validator->valDate($_POST['datefrom'], 'dd/mm/yy')){
die('invalid date from format');
}
$dateMatches = $validator->fetchMatches();
// re-build the date in sql format
$arrWhere[] = 'date >= \''.$dateMatches[3].'-'.$dateMatches[2].'-'.$dateMatches[1].'\'';
}
// date to
if($_POST['dateto']) {
// validate the date format
if(!$validator->valDate($_POST['dateto'], 'dd/mm/yy')){
die('invalid date to format');
}
$dateMatches = $validator->fetchMatches();
// re-build the date in sql format
$arrWhere[] = 'date <= \''.$dateMatches[3].'-'.$dateMatches[2].'-'.$dateMatches[1].'\'';
}
// user id
if($_POST['userid']) {
if(!preg_match('/([0-9])/', $_POST['userid'])){
die('invalid userid format');
}
$arrWhere[] = 'userid = '.$_POST['userid'];
}
$where = '';
if(count($arrWhere)){
// compile all the where's into some nice tidy sql
$where .= 'WHERE ';
foreach($arrWhere as $clause) {
$where .= $clause.' AND ';
}
$where = substr($where, 0, strlen($where)-5);
}
// add the where clause(es) to the query string
$sql = "SELECT * FROM ctracker ".$where;
// run the query
$result = mysql_query($sql) or die("Cannot query the database.<br>" . mysql_error());
// check if the query was valid
if (!$result) {
// kill the script
die('Invalid query: ' . mysql_error());
} else {
// loop through the results
while($row = mysql_fetch_array($result)) {
// split the string of positions down into an array of sets of X and Y coordinates
$arrCoords = explode(":", $row["positions"]);
// loop through all of the sets of positon
foreach($arrCoords as $value) {
// split this set of positions down into its X and Y components
list($xpos, $ypos) = explode("-", $value);
// find the current colour of the overlay image at those co-ordinates
$rgb = imageColorAt($im, $xpos, $ypos);
// run the function to get the next colour in the heatmap sequence
$this_colour = nxtColour($rgb);
// decide what size of result dot to display
switch($_POST['resultsize']){
case 'pixel':
imagesetpixel ($im, $xpos, $ypos, $this_colour);
break;
case '2square':
imagefilledrectangle ($im, $xpos-1, $ypos-1, $xpos+1, $ypos+1, $this_colour);
break;
case '4square':
imagefilledrectangle ($im, $xpos-2, $ypos-2, $xpos+2, $ypos+2, $this_colour);
break;
case '6circle':
imagefilledellipse($im, $xpos, $ypos, 6, 6, $this_colour);
break;
case '8circle':
imagefilledellipse($im, $xpos, $ypos, 8, 8, $this_colour);
break;
case '10circle':
imagefilledellipse($im, $xpos, $ypos, 10, 10, $this_colour);
break;
}
}
}
}
// output the image to a file
if(imagepng($im, $outputDirectory.$saveImageName)) {
// success message
echo '<div class="message">';
echo 'Heatmap created successfully.<br />';
echo '<form action="view.php" method="post">';
echo '<input type="hidden" name="overlayImage" value="'.$saveImageName.'" />';
echo '<input type="submit" name="submit" value="Click here to view it" />';
echo '</form>';
echo '</div>';
} else {
// something went wrong ! don't blame me :)
echo '<div class="error">';
echo 'Problem creating heatmap image.';
echo '</div>';
}
// delete the image from memory
imagedestroy($im);
// purge the results if needed
if($_POST['purge'] == 'Yes'){
$sql = "DELETE FROM ctracker ".$where;
$result = mysql_query($sql) or die("Cannot query the database.<br>" . mysql_error());
// check if the query was valid
if (!$result) {
// kill the script
die('Invalid query: ' . mysql_error());
} else {
if(mysql_affected_rows()){
echo '<p>Records have been purged from database.<p>';
} else {
echo 'Purged failed.';
}
}
}
}
?>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
<div class="section">
<div class="title">Input</div>
<p>
Select a resolution
<select name="resolution">
<option value="">All</option>
<?php
// query to find all the different screen resolutions
$sql_res = "SELECT COUNT(resolution) AS count, resolution FROM ctracker GROUP BY resolution ORDER BY count DESC";
// run the query
$result_res = mysql_query($sql_res) or die("Cannot query the database.<br>" . mysql_error());
// check if the query was valid
if (!$result_res) {
// kill the script
die('Invalid query: ' . mysql_error());
} else {
// loop through the results
while($row_res = mysql_fetch_array($result_res)) {
echo '<option value="'.$row_res['resolution'].'">'.$row_res['resolution'].'</option>';
}
}
?>
</select>
</p>
<p>
Analyse the following user ID <br />
<select name="userid">
<option value="">All</option>
<?php
// query to find all the different user id's
$sql_usr = "SELECT DISTINCT userid FROM ctracker ORDER BY userid ASC";
// run the query
$result_usr = mysql_query($sql_usr) or die("Cannot query the database.<br>" . mysql_error());
// check if the query was valid
if (!$result_usr) {
// kill the script
die('Invalid query: ' . mysql_error());
} else {
// loop through the results
while($row_usr = mysql_fetch_array($result_usr)) {
echo '<option value="'.$row_usr['userid'].'">'.$row_usr['userid'].'</option>';
}
}
?>
</select>
</p>
<p>
Analyse the following pages <br />
<?php
echo $domain;
?><select name="path">
<option value="">All</option>
<?php
$arrPaths = listPaths();
foreach($arrPaths as $path){
echo '<option value="'.$path.'">'.$path.'</option>';
}
?>
</select>
</p>
<p>
Set a date range <br />
<input type="text" name="datefrom" /> Date from <br />
<input type="text" name="dateto" /> Date to <br />
date format (dd/mm/yyyy)
</p>
<p>
Show results as:
<select name="resultsize">
<option value="pixel">Pixel</option>
<option value="2square">2 x 2 pixel square</option>
<option value="4square">4 x 4 pixel square</option>
<option value="6circle">6 pixel circle</option>
<option value="8circle">8 pixel circle</option>
<option value="10circle">10 pixel circle</option>
</select>
</p>
</div>
<div class="section">
<div class="title">Output</div>
<p>
<input type="radio" name="choice1" value="new" /> <b>Create a new heatmap</b>
</p>
<p>
Save output as <input type="text" name="saveas" />.png<br />
(Note: filename must be made up from letters, numbers and underscores only)<br />
e.g. 1024x768_Feb_2007_allpages
</p>
Or
<p>
<input type="radio" name="choice1" value="existing" /> <b>Add results to an existing heatmap</b>
</p>
<p>
Existing image name:
<select name="existingname">
<?php
$arrHeatmaps = listFiles($outputDirectory);
foreach($arrHeatmaps as $heatmap){
echo '<option value="'.$heatmap.'">'.$heatmap.'</option>';
}
?>
</select>
</p>
</div>
<div class="section">
<div class="title">Tidy Up</div>
<p>
Purge these results from the database once complete:
<select name="purge">
<option value="Yes">Yes</option>
<option value="No" selected>No</option>
</select>
</p>
</div>
<div class="section">
<div class="title">Process</div>
<p>
<input type="submit" name="submit" value="submit" />
</p>
</div>
</form>
<?php
// include the footer
include('footer.php');
?>