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revision 1.3, Mon Dec 5 19:12:11 2005 UTC revision 1.4, Wed Jan 11 19:37:28 2006 UTC
# Line 30  Line 30 
30  one of the columns and click the appropriate button to generate an alignment  one of the columns and click the appropriate button to generate an alignment
31  display in the embedded frame below the block lists.  display in the embedded frame below the block lists.
32    
33  For debugging purposes, you can specify the B<Trace> parameter to  Common blocks will be displayed in red if they have snip differences. A I<snip
34  set the tracing level. You can also set the B<ShowMode> parameter to  difference> is a column in which the contents for set 0 are different from the
35  C<1> to display a table of the parameters passed by the form. So,  contents for set 1. So, for example, if column 6 is always A or G for set 0 and
36  for example,  always T for set 1, there is a snip difference. The snip difference is therefore
37    a much stronger condition than merely having different values in a column. If
38  C<< http://myseedurl/CGI/SimBlockDisplay.cgi?ShowMode=1 >>  column 6 contained A and G in set 0 and only A in set 1, it would not be a snip
39    difference, because A occurs in both sets.
40    
41    When a block is selected for display in the lower part of the form, the snip
42    differences are shown in a table. Therefore, that table will be empty unless
43    the block name is displayed in red.
44    
45    At the bottom of the page, an alignment of the snips in the common blocks
46    is displayed. If this alignment is sufficiently large, it will not show up
47    properly in Firefox.
48    
49  will set the form action to display the form contents without processing  For debugging purposes, you can specify the B<Trace> parameter to
50  them, while  set the tracing level. So, for example,
51    
52  C<< http://myseedurl/CGI/SimBlockDisplay.cgi?Trace=3 >>  C<< http://myseedurl/CGI/SimBlockDisplay.cgi?Trace=3 >>
53    
# Line 60  Line 69 
69  use SimBlocks;  use SimBlocks;
70    
71  # Get the CGI parameters.  # Get the CGI parameters.
72  my $query = new CGI;  my ($query, $varHash) = ScriptSetup();
73  my $traceLevel = $query->param("Trace");  # Do this next part safely.
74  if (!defined $traceLevel || length $traceLevel == 0) {  eval {
     $traceLevel = 0;  
 }  
 TSetup("$traceLevel Tracer", "QUEUE");  
 # Choose the output script based on the ShowMode parameter.  
 my $script = ($query->param('ShowMode') ? 'FormDisplay' : 'SimBlockPattern');  
 # Decide whether or not we need debugging fields.  
 my $traceFields = (Tracer::DebugMode() ? Tracer::GetFile("Html/DebugFragment.html") : "");  
 # Create the variable hash used to generate the web page. We start with the debug-related  
 # fields we've already computed.  
 my %varHash = ( script => $script, DebugData => $traceFields );  
75  # Next we get the list of genomes in each set. These come from the radio  # Next we get the list of genomes in each set. These come from the radio
76  # buttons on the incoming form. Basically, we look for any option whose value  # buttons on the incoming form. Basically, we look for any option whose value
77  # is "set0" or "set1", and put it in the appropriate list. To make this process  # is "set0" or "set1", and put it in the appropriate list. To make this process
# Line 100  Line 99 
99      }      }
100      # Build a multi-selection scrolling list big enough to show all the genome IDs. Note      # Build a multi-selection scrolling list big enough to show all the genome IDs. Note
101      # that we pre-select every element.      # that we pre-select every element.
102      $varHash{"${setID}GenomeIDs"} = $query->scrolling_list("${setID}Genomes", $valueList,          $varHash->{"${setID}GenomeIDs"} = $query->scrolling_list("${setID}Genomes", $valueList,
103                                                             $valueList, $valueCount, 1);                                                             $valueList, $valueCount, 1);
104  }  }
105  # Now we create the similarity block object.  # Now we create the similarity block object.
# Line 120  Line 119 
119      my @valueList = sort keys %{$valueHash};      my @valueList = sort keys %{$valueHash};
120      # Compute the number of blocks.      # Compute the number of blocks.
121      my $valueCount = @valueList;      my $valueCount = @valueList;
122      $varHash{"${setID}Count"} = $valueCount;          $varHash->{"${setID}Count"} = $valueCount;
123      # Constrain it to compute the list height.      # Constrain it to compute the list height.
124      if ($valueCount > 50) {      if ($valueCount > 50) {
125          $valueCount = 50;          $valueCount = 50;
# Line 153  Line 152 
152      }      }
153      # If this is the both-list, save the snip count.      # If this is the both-list, save the snip count.
154      if ($setID eq "both") {      if ($setID eq "both") {
155          $varHash{snipCount} = $snipCount;              $varHash->{snipCount} = $snipCount;
156      }      }
157      # Build a single-selection scrolling list for this set of blocks.      # Build a single-selection scrolling list for this set of blocks.
158      $varHash{"${setID}BlockIDs"} =          $varHash->{"${setID}BlockIDs"} =
159          $query->scrolling_list(-name => "${setID}Blocks",          $query->scrolling_list(-name => "${setID}Blocks",
160                                 -values => \@valueList,                                 -values => \@valueList,
161                                 -size => $valueCount,                                 -size => $valueCount,
# Line 182  Line 181 
181                                           "Html");                                           "Html");
182  }  }
183  # Put the alignment in the variable hash.  # Put the alignment in the variable hash.
184  $varHash{alignment} = $alignmentHTML;      $varHash->{alignment} = $alignmentHTML;
185  # Now we need to create the distance matrix.  # Now we need to create the distance matrix.
186  Trace("Computing distances.") if T(1);  Trace("Computing distances.") if T(1);
187  my %distanceMatrix = SimBlocks::DistanceMatrix(\%alignment);  my %distanceMatrix = SimBlocks::DistanceMatrix(\%alignment);
# Line 226  Line 225 
225      $distanceHTML .= $row;      $distanceHTML .= $row;
226  }  }
227  # Add it to the variable hash.  # Add it to the variable hash.
228  $varHash{distanceMatrix} = $distanceHTML;      $varHash->{distanceMatrix} = $distanceHTML;
229  Trace("Building web page.") if T(1);  };
230  # Flush the trace messages.  # Check for an error from the EVAL.
231  $varHash{TraceMessages} = QTrace('html');  if ($@) {
232  # Generate the web page.      Trace("Script error: $@") if T(0);
233  my $page = PageBuilder::Build("<Html/SimBlockDisplay.html", \%varHash, "Html");  }
234  print $page;  # Display the web page.
235    ScriptFinish("Html/SimBlockDisplay.html", $varHash);
236    
237  1;  1;
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