version 1.12, 2002/08/05 18:10:08
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version 1.17, 2002/08/09 19:49:30
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Line 47 use GDBM_File;
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Line 47 use GDBM_File;
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sub BuildProblemStatisticsPage { |
sub BuildProblemStatisticsPage { |
my ($cacheDB, $students, $courseID, $c, $r)=@_; |
my ($cacheDB, $students, $courseID, $c, $r)=@_; |
my %cache; |
my %cache; |
#my %DoDiff; |
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unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
return '<html><body>Unable to tie database.</body></html>'; |
return '<html><body>Unable to tie database.</body></html>'; |
} |
} |
Line 70 sub BuildProblemStatisticsPage {
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Line 70 sub BuildProblemStatisticsPage {
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$Ptr .= '</table>'; |
$Ptr .= '</table>'; |
$Ptr .= &ProblemStatisticsLegend(); |
$Ptr .= &ProblemStatisticsLegend(); |
$r->print($Ptr); |
$r->print($Ptr); |
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$r->rflush(); |
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untie(%cache); |
untie(%cache); |
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&Create_PrgWin($r); |
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my $count=0; |
foreach (@$students) { |
foreach (@$students) { |
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&Update_PrgWin(scalar(@$students),$count,$_,$r); |
my $courseData = |
my $courseData = |
&Apache::loncoursedata::DownloadCourseInformation($_, $courseID); |
&Apache::loncoursedata::DownloadCourseInformation($_, $courseID); |
last if ($c->aborted()); |
last if ($c->aborted()); |
Line 81 sub BuildProblemStatisticsPage {
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Line 85 sub BuildProblemStatisticsPage {
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$courseData, $_); |
$courseData, $_); |
untie(%cache); |
untie(%cache); |
} |
} |
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$count++; |
} |
} |
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&Close_PrgWin($r); |
if($c->aborted()) { return; } |
if($c->aborted()) { return; } |
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unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
Line 95 sub BuildProblemStatisticsPage {
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Line 101 sub BuildProblemStatisticsPage {
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my $state=$ENV{'form.ProblemStatisticsHeading'}; |
my $state=$ENV{'form.ProblemStatisticsHeading'}; |
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# my $state=&Apache::lonstatistics::CheckFormElement(\%cache, |
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# 'ProblemStatisticsHeading', |
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# 'ProblemStatisticsHeading', |
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# 'Homework Sets Order'); |
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$r->print("<br>state=".$state); |
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my $TempCache; |
my $TempCache; |
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if ($state) { |
if ($state) { |
Line 113 sub BuildProblemStatisticsPage {
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Line 113 sub BuildProblemStatisticsPage {
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my $index=0; |
my $index=0; |
foreach (@$students) { |
foreach (@$students) { |
$index++; |
$index++; |
#&Apache::lonstatistics::Update_PrgWin(++$index,$r); |
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&ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r, |
&ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r, |
\%discriminant); |
\%discriminant); |
} |
} |
#&Apache::lonstatistics::Close_PrgWin($r); |
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my ($upper, $lower) = &Discriminant(\%discriminant,$r); |
my ($upper, $lower) = &Discriminant(\%discriminant,$r); |
$TempCache= &BuildStatisticsTable(\%cache, $upper, $lower, |
$TempCache= &BuildStatisticsTable(\%cache, $upper, $lower, |
\@list, \%Header, $students, |
\@list, \%Header, $students, |
Line 140 sub BuildProblemStatisticsPage {
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Line 138 sub BuildProblemStatisticsPage {
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#---- Problem Statistics Web Page --------------------------------------- |
#---- Problem Statistics Web Page --------------------------------------- |
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sub NumericSort { |
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$a <=> $b; |
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} |
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sub CreateProblemStatisticsTableHeading { |
sub CreateProblemStatisticsTableHeading { |
my ($displayFormat,$sequenceSource,$sequenceTitle,$headings,$r)=@_; |
my ($displayFormat,$sequenceSource,$sequenceTitle,$headings,$r)=@_; |
if($displayFormat eq 'Display CSV Format') { |
if($displayFormat eq 'Display CSV Format') { |
Line 153 sub CreateProblemStatisticsTableHeading
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Line 145 sub CreateProblemStatisticsTableHeading
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$r->print($sequenceSource.'"'); |
$r->print($sequenceSource.'"'); |
return; |
return; |
} |
} |
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if ($sequenceSource eq 'Sorted by: ') { |
$r->print('<br><a href="'.$sequenceSource. |
$r->print('<br><b>'.$sequenceSource.$sequenceTitle.'</b>'); |
'" target="_blank">'.$sequenceTitle.'</a>'); |
} else { |
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$r->print('<br><a href="'.$sequenceSource. |
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'" target="_blank">'.$sequenceTitle.'</a>'); |
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} |
my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n"; |
my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n"; |
for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { |
for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { |
$Result .= '<th>'.'<input type="submit" name="'; |
$Result .= '<th>'.'<input type="submit" name="'; |
Line 178 sub CloseTable {
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Line 172 sub CloseTable {
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} |
} |
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# Create progress |
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sub Create_PrgWin { |
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my ($r)=@_; |
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$r->print(<<ENDPOP); |
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<script> |
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popwin=open('','popwin','width=400,height=100'); |
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popwin.document.writeln('<html><body bgcolor="#88DDFF">'+ |
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'<title>LON-CAPA Statistics</title>'+ |
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'<h4>Computation Progress</h4>'+ |
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'<form name=popremain>'+ |
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'<input type=text size=35 name=remaining value=Starting></form>'+ |
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'</body></html>'); |
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popwin.document.close(); |
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</script> |
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ENDPOP |
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$r->rflush(); |
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} |
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# update progress |
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sub Update_PrgWin { |
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my ($totalStudents,$index,$name,$r)=@_; |
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$r->print('<script>popwin.document.popremain.remaining.value="'. |
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'Computing '.$index.'/'.$totalStudents.': '. |
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$name.'";</script>'); |
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$r->rflush(); |
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} |
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# close Progress Line |
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sub Close_PrgWin { |
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my ($r)=@_; |
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$r->print('<script>popwin.close()</script>'); |
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$r->rflush(); |
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} |
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# ------ Dump the Student's DB file and handling the data for statistics table |
# ------ Dump the Student's DB file and handling the data for statistics table |
sub ExtractStudentData { |
sub ExtractStudentData { |
Line 204 sub ExtractStudentData {
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Line 233 sub ExtractStudentData {
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my $tempProblemOrder=100; |
my $tempProblemOrder=100; |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
# $r->print("<br>sequences=$cache->{'orderedSequences'}"); |
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# $r->print("<br>".$cache->{$sequence.':title'}); |
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next; |
next; |
} |
} |
$tempSequenceOrder++; |
$tempSequenceOrder++; |
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#$discrim .= '&'; |
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foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
# $r->print("<br>problems=$cache->{$sequence.':problems'}"); |
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my $problem = $cache->{$problemID.':problem'}; |
my $problem = $cache->{$problemID.':problem'}; |
# $r->print("<br>$problemID === $problem"); |
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my $LatestVersion = $cache->{$name.':version:'.$problem}; |
my $LatestVersion = $cache->{$name.':version:'.$problem}; |
# Output dashes for all the parts of this problem if there |
# Output dashes for all the parts of this problem if there |
# is no version information about the current problem. |
# is no version information about the current problem. |
Line 238 sub ExtractStudentData {
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Line 262 sub ExtractStudentData {
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':parts'})) { |
':parts'})) { |
$tempProblemOrder++; |
$tempProblemOrder++; |
$partData{'count'}++; |
$partData{'count'}++; |
# $r->print("<br>parts=$cache->{$sequence.':'.$problemID.':parts'}"); |
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$partData{$part.':order'}=$tempProblemOrder; |
$partData{$part.':order'}=$tempProblemOrder; |
$partData{$part.':tries'}=0; |
$partData{$part.':tries'}=0; |
$partData{$part.':code'}='-'; |
$partData{$part.':code'}='-'; |
Line 290 sub ExtractStudentData {
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Line 313 sub ExtractStudentData {
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} |
} |
} |
} |
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#$Apache::lonxml::debug=1; |
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#&Apache::lonhomework::showhash(%partData); |
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#$Apache::lonxml::debug=0; |
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# Loop through all the parts for the current problem in the |
# Loop through all the parts for the current problem in the |
# correct order and prepare the output |
# correct order and prepare the output |
my $partCounter=0; |
my $partCounter=0; |
Line 311 sub ExtractStudentData {
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Line 330 sub ExtractStudentData {
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if($partData{'count'} > 1) { |
if($partData{'count'} > 1) { |
$ptr .= "*(part $_)"; |
$ptr .= "*(part $_)"; |
} |
} |
#if($partCounter > 1) { |
$discrim .= '&'; |
$discrim .= '&'; |
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#} |
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my ($pr_no,$dod)=split('&',$ptr); |
my ($pr_no,$dod)=split('&',$ptr); |
# my $DoDiff=$DoDiff->{$dod}; |
# my $DoDiff=$DoDiff->{$dod}; |
Line 377 sub ExtractStudentData {
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Line 394 sub ExtractStudentData {
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} |
} |
} |
} |
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sub NumericSort { |
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$a <=> $b; |
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} |
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sub OrderedSort { |
sub MySort { |
if ($ENV{'form.order'} eq 'Descending') { |
my $pos=shift; |
$b <=> $a; |
if ( $pos > 0 ) { |
} else { |
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
$a <=> $b; |
else { $a <=> $b; } |
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} |
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else { |
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# if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
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# else { $a cmp $b; } |
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$a cmp $b; |
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} |
} |
} |
} |
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Line 464 sub BuildStatisticsTable {
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Line 478 sub BuildStatisticsTable {
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$p_count++; |
$p_count++; |
my $Dummy; |
my $Dummy; |
($ResId,$Dummy)=split(/\*/,$Temp); |
($ResId,$Dummy)=split(/\*/,$Temp); |
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###################### |
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$Temp = '<a href="'.$cache->{$ResId.':source'}. |
$Temp = '<a href="'.$cache->{$ResId.':source'}. |
'" target="_blank">'.$cache->{$ResId.':title'}.$Dummy.'</a>'; |
'" target="_blank">'.$cache->{$ResId.':title'}.$Dummy.'</a>'; |
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#$r->print('<br>rid='.$ResId); |
# my $urlres = $cache->{$sequence.':source'}); |
#$r->print('<br>src='.$cache->{$ResId.':source'}); |
#check with Gerd |
#$r->print('<br>tit='.$cache->{$ResId.':title'}); |
#symb of the problem (already decluttered and cleaned) |
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my $urlres = $cache->{$ResId.':problem'}; |
my $res = &Apache::lonnet::declutter($cache->{$ResId.':source'}); |
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my $urlres=$res; |
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$ResId=~/(\d+)\.(\d+)/; |
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my $Map = &Apache::lonnet::declutter( $cache->{'map_id_'.$1} ); |
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$urlres=$Map; |
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####################### |
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# $res = '<a href="'.$cache->{$ResId.':source'}.'">'.$res.'</a>'; |
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#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
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#------------------------ Compute the Average of Tries about one problem |
#------------------------ Compute the Average of Tries about one problem |
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
Line 490 sub BuildStatisticsTable {
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Line 492 sub BuildStatisticsTable {
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$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
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#-------------------------------- Compute percentage of Wrong tries |
#-------------------------------- Compute percentage of Wrong tries |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
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Line 547 sub BuildStatisticsTable {
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Line 549 sub BuildStatisticsTable {
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$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. |
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. |
$DiscNo.'&'.$Prob; |
$DiscNo.'&'.$Prob; |
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#####{$sequence.'@'.$pOrd} |
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$TempCache{'CacheTable:'.($p_count-1)}=$join; |
$TempCache{'CacheTable:'.($p_count-1)}=$join; |
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#6666666 |
#6666666 |
Line 555 sub BuildStatisticsTable {
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Line 556 sub BuildStatisticsTable {
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# print (OUT $out.'@'.$DoD.'&'); |
# print (OUT $out.'@'.$DoD.'&'); |
#6666666 |
#6666666 |
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#check with Gerd |
$urlres=~/^(\w+)\/(\w+)/; |
$urlres=~/^(\w+)\/(\w+)/; |
if ($StdNo) { |
if ($StdNo) { |
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
&Apache::lonnet::put('nohist_resevaldata',\%storestats, |
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$1,$2); |
} |
} |
#-------------------------------- Row of statistical table |
#-------------------------------- Row of statistical table |
&TableRow($cache,$join,$cIdx,($p_count-1),$r,$color, |
&TableRow($cache,$join,$cIdx,($p_count-1),$r,$color, |
Line 567 sub BuildStatisticsTable {
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Line 570 sub BuildStatisticsTable {
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&CloseTable($cache,$r); |
&CloseTable($cache,$r); |
} |
} |
### &Close_PrgWin(); |
### &Close_PrgWin(); |
#666666 |
#6666666 |
# close( OUT ); |
# close( OUT ); |
#666666 |
#666666 |
return \%TempCache; |
return \%TempCache; |
Line 575 sub BuildStatisticsTable {
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Line 578 sub BuildStatisticsTable {
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sub CacheStatisticsTable { |
sub CacheStatisticsTable { |
my ($state,$cache,$Header,$r,$color)=@_; |
my ($state,$cache,$headings,$r,$color)=@_; |
my @list = (); |
my @list = (); |
my $Useful; |
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my $UnUseful; |
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my %TempCache; |
my %TempCache; |
my %myHeader = reverse( %$Header ); |
my %myHeader = reverse( %$headings ); |
my $pos = $myHeader{$state}; |
my $pos = $myHeader{$state}; |
if ($pos > 0) {$pos++;} |
if ($pos > 0) {$pos++;} |
my $p_count = $cache->{'ProblemCount'}; |
my $p_count = $cache->{'ProblemCount'}; |
Line 588 sub CacheStatisticsTable {
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Line 589 sub CacheStatisticsTable {
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for ( my $k=0; $k<$p_count;$k++) { |
for ( my $k=0; $k<$p_count;$k++) { |
my $key=$cache->{'CacheTable:'.$k}; |
my $key=$cache->{'CacheTable:'.$k}; |
my @Temp=split(/\&/,$key); |
my @Temp=split(/\&/,$key); |
if ( $pos == 0 ) { |
$list[$k]=$Temp[$pos].'+'.$key; |
($UnUseful,$Useful)=split(/\>/,$Temp[$pos]); |
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} |
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else { |
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$Useful = $Temp[$pos]; |
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} |
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$list[$k]=$Useful.'@'.$key; |
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$r->print('<br>'.$list[$k]); |
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} |
} |
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if ($pos>0) { |
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@list = sort OrderedSort (@list); |
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} else { |
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@list = sort (@list); |
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} |
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my $cIdx=0; |
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if ( $pos == 0 ) { |
@list = sort MySort (@list); |
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my $nIndex=0; |
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return \%TempCache; |
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} |
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=pod |
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if ( $Pos == 0 ) { |
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foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
next; |
next; |
} |
} |
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if ($cIdx==$p_count) { |
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return \%TempCache; |
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} |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
$cache->{$sequence.':source'}, |
$cache->{$sequence.':source'}, |
$cache->{$sequence.':title'}, |
$cache->{$sequence.':title'}, |
$headings,$r); |
$headings,$r); |
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my ($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
my ($tar)=split(/\&/,$list[$cIdx]); |
$list[$cIdx]); |
$tar=~s/\+//eg; |
my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
my ($SqOrd)=split(/\@/,$tar); |
$sequence+=100; |
$sequence+=100; |
while ($SqOrd==$sequence && $cIdx<$NoElements) { |
while ($SqOrd==$sequence && $cIdx<$p_count) { |
my %storestats=(); |
my($Pre, $Post) = split(/\+/,$list[$cIdx]); |
my @lpr=split(/\&/,$pr); |
&TableRow($cache,$Post,$cIdx,$cIdx,$r,$color,\%TempCache); |
for (my $i=1; $i<=$#lpr; $i++) { |
$cIdx++; |
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
my ($tar)=split(/\&/,$list[$cIdx]); |
#$r->print('<br>'.$Pre.'---'.$Post); |
$tar=~s/\+//eg; |
&TableRow($cache,$Post,$i,$nIndex,$color,\%GraphDat); |
($SqOrd)=split(/\@/,$tar); |
$nIndex++; |
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} |
} |
&CloseTable($cache); |
&CloseTable($cache,$r); |
} |
} |
} |
} |
else { |
else { |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
$cache->{$sequence.':source'}, |
'Sorted by: ', |
$cache->{$sequence.':title'}, |
$headings->{$pos-1}, |
$headings,$r); |
$headings,$r); |
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { |
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { |
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
my($Pre, $Post) = split(/\+/,$list[$nIndex]); |
&TableRow($cache,$Post,$nIndex,$nIndex,$color,\%GraphDat); |
&TableRow($cache,$Post,$nIndex,$nIndex,$r,$color,\%TempCache); |
} |
} |
&CloseTable($cache); |
&CloseTable($cache,$r); |
} |
} |
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return \%TempCache; |
return \%TempCache; |
} |
} |
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=cut |
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sub TableRow { |
sub TableRow { |
my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; |
my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; |
Line 683 sub TableRow {
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Line 673 sub TableRow {
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} else { |
} else { |
$Ptr="\n".'<tr>'. |
$Ptr="\n".'<tr>'. |
"\n".'<td>'.($RealIdx+1).'</td>'. |
"\n".'<td>'.($RealIdx+1).'</td>'. |
# "\n".'<td>'.$PrOrd.$Temp.'</td>'. |
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"\n".'<td>'.$Temp.'</td>'. |
"\n".'<td>'.$Temp.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'. |
Line 700 sub TableRow {
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Line 689 sub TableRow {
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"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$DiscNo.'</td>'; |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$DiscNo.'</td>'; |
$r->print("\n".$Ptr.'</tr>' ); |
$r->print("\n".$Ptr.'</tr>' ); |
} |
} |
$GraphDat->{'graph_gif:'.$RealIdx}=$DoD.':'.$Wrng; |
$GraphDat->{'GraphGif:'.$RealIdx}=$DoD.':'.$Wrng; |
} |
} |
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Line 842 sub ProcessDiscriminant {
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Line 831 sub ProcessDiscriminant {
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#------- Creating Discimination factor |
#------- Creating Discimination factor |
sub Discriminant { |
sub Discriminant { |
my ($discriminant,$r)=@_; |
my ($discriminant,$r)=@_; |
#$Apache::lonxml::debug=1; |
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#&Apache::lonhomework::showhash(%$discriminant); |
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#$Apache::lonxml::debug=0; |
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my @discriminantKeys=keys(%$discriminant); |
my @discriminantKeys=keys(%$discriminant); |
my $Count = scalar @discriminantKeys; |
my $Count = scalar @discriminantKeys; |
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Line 880 sub Discriminant {
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Line 866 sub Discriminant {
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# ------------------------------------------- Prepare data for Graphical chart |
# ------------------------------------------- Prepare data for Graphical chart |
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sub BuildDiffGraph { |
sub BuildGraphicChart { |
my ($r)=@_; |
my ($ylab,$r,$cacheDB)=@_; |
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my %cache; |
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my $Col; |
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my $data=''; |
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my $count = 0; |
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my $Max = 0; |
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my $graphData = &GetGraphData('DiffGraph', $r); |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
$r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'); |
return '<html><body>Unable to tie database.</body></html>'; |
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} |
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my $p_count = $cache{'ProblemCount'}; |
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return; |
for ( my $k=0; $k<$p_count;$k++) { |
} |
my @Temp=split(/\:/,$cache{'GraphGif:'.$k}); |
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my $inf = $Temp[$Col]; |
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if ( $Max < $inf ) {$Max = $inf;} |
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$data .= $inf.','; |
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$count++; |
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} |
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untie(%cache); |
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# $r->print("<br>count=$p_count >>data= $data"); |
|
|
sub BuildWrongGraph { |
if ( $Max > 1 ) { |
my ($r)=@_; |
$Max += (10 - $Max % 10); |
|
$Max = int($Max); |
|
} else { $Max = 1; } |
|
|
my $graphData = &GetGraphData('WrongGraph', $r); |
my $cid=$ENV{'request.course.id'}; |
$r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'); |
|
|
|
return; |
if ( $ylab eq 'DoDiff Graph' ) { |
} |
$ylab = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} else { |
|
$ylab = 'Wrong-Percentage'; |
|
$Col = 1; |
|
} |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
my $GData=$Course.'&'.'Problems#'.'&'.$ylab.'&'. |
|
$Max.'&'.$count.'&'.$data; |
|
|
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
|
|
sub GetGraphData { |
return; |
my ($ylab,$r,%GraphDat)=@_; |
|
my $Col; |
|
my $data=''; |
|
my $count = 0; |
|
my $Max = 0; |
|
my $cid=$ENV{'request.course.id'}; |
|
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
|
foreach (keys %GraphDat) {delete $GraphDat{$_};} |
|
if (-e "$GraphDB") { |
|
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
|
if ( $ylab eq 'DoDiff Graph' ) { |
|
$ylab = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} |
|
else { |
|
$ylab = 'Wrong-Percentage'; |
|
$Col = 1; |
|
} |
|
foreach (sort NumericSort keys %GraphDat) { |
|
my @Temp=split(/\:/,$GraphDat{$_}); |
|
my $inf = $Temp[$Col]; |
|
if ( $Max < $inf ) {$Max = $inf;} |
|
$data .= $inf.','; |
|
$count++; |
|
} |
|
if ( $Max > 1 ) { |
|
$Max += (10 - $Max % 10); |
|
$Max = int($Max); |
|
} |
|
else { $Max = 1; } |
|
untie(%GraphDat); |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
my $GData=$Course.'&'.'Problems'.'&'.$ylab.'&'. |
|
$Max.'&'.$count.'&'.$data; |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
} |
} |
|
|
|
|
1; |
1; |
__END__ |
__END__ |