2014-07-08 20:14:37 +02:00
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<?php
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//============================================================================
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// Name : analysis.php
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2014-10-13 15:34:17 +02:00
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// Author : Patrick Reipschläger, Lucas Woltmann
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2014-07-08 20:14:37 +02:00
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// Version : 0.5
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// Date : 08-2013
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// Description : Analysis a ESE Evaluation log file. The file that is analysed
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// may be passed as parameter with the URL.
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//============================================================================
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include_once 'libs/formLib.php';
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include_once 'libs/questionnaireLib.php';
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include_once 'libs/loggingLib.php';
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include_once 'libs/chartLib.php';
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// variables for the log data
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$questionData;
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$tutorData;
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$commentData;
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// Default log file is the student log file defined in 'loggingLib.php'
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$logFile = STUDENTLOGFILE;
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// if a logFile parameter has been passed in the URL, than that value will
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// be used instead of the default value (with the added folder name)
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if (isset($_GET["logFile"]))
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$logFile = "logs/" . $_GET["logFile"];
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// read the existing log file, if there is no existing log file, the RadLogFile
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// function guarantees the initialization of the log variables, which will
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// result in the same outcome as if an empty log file is read
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ReadLogFile($logFile, $questionData, $tutorData, $commentData);
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>ESE Evaluation Analyse</title>
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<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
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<link rel="stylesheet" type="text/css" href="css/style.css">
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</head>
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<body>
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<div class="container">
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<?php
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CreateHeadline("ESE Evaluation - Data Analysis");
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// if there was any question Data in the log file, display it
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if (count($questionData) > 0)
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{
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CreateSectionHeader("Question Evaluation");
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CreateLegend();
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foreach ($questionData as $question)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-8\">\n";
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// The question itself
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echo " <p class=\"lead\"><span>" . $question[0];
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//average
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echo "</span><span style=\"float:right;\">⌀" .
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round(
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($question[1]+2*$question[2]+3*$question[3]+4*$question[4]+5*$question[5])
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/(array_sum(array_slice($question,1,5))),
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2)
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. "</span>\n";
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echo "</p>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <div class=\"row\">\n";
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$width = 800;
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$height = 300;
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//find max of answers to set max of x-axis, max of y-axis is always seven, because there are six possibilities to answer
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$values = $question;
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array_shift($values);
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$maxX = max($values)+1;
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$maxY = 7;
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$img = CreateImage($width, $height);
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// the amount of answers for the different options and a nice group of bars
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for ($i = 1; $i < 7; $i++)
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{
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echo " <div class=\"col-2\"><p class=\"lead center\">" . $question[$i] . "</p></div>\n";
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2014-08-04 16:46:48 +02:00
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$green = 150*($question[$i]/$maxX) + 40;
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$color = ImageColorAllocate($img, 0.57 * $green, $green, 0.45 * $green);
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2014-07-08 20:14:37 +02:00
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DrawBar($img, $question[$i], $maxX, $i+1, $maxY, $question[$i], $color);
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}
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//finish image and save it
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$caption = array("N/A","--","-", "0", "+", "++");
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DrawCoords($img, $maxX, $maxY, $caption);
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$file=str_replace("?", "", str_replace(" ", "", $question[0]));
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ImagePNG($img,"question".$file.".png");
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ImageDestroy($img);
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echo " </div>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-3\">\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-9\">\n";
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echo " <img src=\"question".$file.".png\" class=\"lead center\">";
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echo " </div>\n";
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echo "</div>\n";
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}
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}
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// if there was any tutor Data in the log file, display it
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if (count($tutorData) > 0)
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{
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CreateSectionHeader("Tutor Evaluation");
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CreateLegend();
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foreach ($tutorData as $tutorName => $tutor)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-8\">\n";
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// the name of the tutor
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echo " <p class=\"lead\"><span>" . $tutorName . "</span>\n";
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//average
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echo "<span style=\"float:right;\">⌀" .
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round(
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($tutor[0]+2*$tutor[1]+3*$tutor[2]+4*$tutor[3]+5*$tutor[4])
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/(array_sum($tutor)-$tutor[5]), 2)
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. "</span>\n";
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echo "</p>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <div class=\"row\">\n";
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$width = 800;
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$height = 300;
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//find max of answers to set max of x-axis, max of y-axis is always seven, because there are six possibilities to answer
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$maxX = max($tutor)+1;
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$maxY = 7;
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$img = CreateImage($width, $height);
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// the amount of answers for the different options and a picture
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for ($i = 0; $i < 6; $i++)
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{
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echo " <div class=\"col-2\"><p class=\"lead center\">" . $tutor[$i] . "</p></div>\n";
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2014-08-04 16:46:48 +02:00
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$green = 150*($tutor[$i]/$maxX) + 40;
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$color = ImageColorAllocate($img, 0.54 * $green, $green, 0.45 * $green);
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2014-07-08 20:14:37 +02:00
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DrawBar($img, $tutor[$i], $maxX, $i+2, $maxY, $tutor[$i], $color);
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}
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//finish image and save it
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$caption = array("N/A","--","-", "0", "+", "++");
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DrawCoords($img, $maxX, $maxY, $caption);
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$file = str_replace(" ", "", $tutorName);
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ImagePNG($img,"tutor".$file.".png");
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ImageDestroy($img);
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echo " </div>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-3\">\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-9\">\n";
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echo " <img src=\"tutor".$file.".png\" class=\"lead center\">";
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echo " </div>\n";
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echo "</div>\n";
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}
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}
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// if there was any comment Data in the log file, display it
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if (count($commentData) > 0)
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{
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CreateSectionHeader("Comments");
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foreach ($commentData as $comment)
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// replace all new lines with html breaks to properly display multi-line comments
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CreateParagraph(str_replace("\n", "<br/>\n", $comment));
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}
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?>
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</div>
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</body>
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2014-10-13 15:34:17 +02:00
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</html>
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