Improvements to the standard deviation bars display

diff --git a/mod/survey/graph.php b/mod/survey/graph.php
index d95b83c160e127f4f06a2e6f4580edbd80734178..3355a1a77de30ce2d8a740497f63dab694f3bfea 100644 (file)
--- a/mod/survey/graph.php
+++ b/mod/survey/graph.php
@@ -64,9 +64,9 @@
        $graph->x_data               = $options;
 
        $graph->y_data['answers1']   = $buckets1;
-       $graph->y_format['answers1'] = array('colour' => 'blue','bar' => 'fill','legend' =>'actual','bar_size' => 0.4);
+       $graph->y_format['answers1'] = array('colour' => 'ltblue','bar' => 'fill','legend' =>'actual','bar_size' => 0.4);
        $graph->y_data['answers2']   = $buckets2;
-       $graph->y_format['answers2'] = array('colour'=>'green','bar' => 'fill','legend' =>'preferred','bar_size' => 0.2);
+       $graph->y_format['answers2'] = array('colour' =>'ltgreen','bar' => 'fill','legend' =>'preferred','bar_size' => 0.2);
 
        $graph->parameter['legend']        = 'outside-top';
        $graph->parameter['legend_border'] = 'black';
@@ -174,10 +174,10 @@
                                                 'shadow_offset' => 4, 'legend' => 'preferred');
        $graph->y_data['stdev1']   = $stdev1;
        $graph->y_format['stdev1'] = array('colour' => 'ltltblue', 'bar' => 'fill', 
-                                            'shadow_offset' => '4', 'legend' => 'none');
+                                            'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.3);
        $graph->y_data['stdev2']   = $stdev2;
        $graph->y_format['stdev2'] = array('colour' => 'ltltgreen', 'bar' => 'fill', 
-                                            'shadow_offset' => '4', 'legend' => 'none');
+                                            'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.2);
        $graph->offset_relation['stdev1'] = 'answers1';
        $graph->offset_relation['stdev2'] = 'answers2';
 
@@ -301,14 +301,13 @@
 
        $graph->y_data['stdev1']   = $stdev1;
        $graph->y_format['stdev1'] = array('colour' => 'ltltblue', 'bar' => 'fill', 
-                                            'shadow_offset' => '4', 'legend' => 'none');
+                                            'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.3);
        $graph->y_data['stdev2']   = $stdev2;
        $graph->y_format['stdev2'] = array('colour' => 'ltltgreen', 'bar' => 'fill', 
-                                            'shadow_offset' => '4', 'legend' => 'none');
+                                            'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.2);
        $graph->offset_relation['stdev1'] = 'answers1';
        $graph->offset_relation['stdev2'] = 'answers2';
 
-       $graph->parameter['bar_size']    = 0.15;
        $graph->parameter['legend']        = 'outside-top';
        $graph->parameter['legend_border'] = 'black';
        $graph->parameter['legend_offset'] = 4;
@@ -452,10 +451,10 @@
                                                 'shadow_offset' => 4, 'legend' => 'student preferred');
        $graph->y_data['stdev1']   = $stdev1;
        $graph->y_format['stdev1'] = array('colour' => 'ltltblue', 'bar' => 'fill', 
-                                            'shadow_offset' => 0.1, 'legend' => 'none');
+                                            'shadow_offset' => 0.1, 'legend' => 'none', 'bar_size' => 0.3);
        $graph->y_data['stdev2']   = $stdev2;
        $graph->y_format['stdev2'] = array('colour' => 'ltltgreen', 'bar' => 'fill', 
-                                            'shadow_offset' => 0.1, 'legend' => 'none');
+                                            'shadow_offset' => 0.1, 'legend' => 'none', 'bar_size' => 0.2);
        $graph->offset_relation['stdev1'] = 'answers1';
        $graph->offset_relation['stdev2'] = 'answers2';
 
@@ -596,10 +595,10 @@
                                                 'shadow_offset' => 4, 'legend' => 'student preferred');
        $graph->y_data['stdev1']   = $stdev1;
        $graph->y_format['stdev1'] = array('colour' => 'ltltblue', 'bar' => 'fill', 
-                                            'shadow_offset' => 0.1, 'legend' => 'none');
+                                            'shadow_offset' => 0.1, 'legend' => 'none', 'bar_size' => 0.3);
        $graph->y_data['stdev2']   = $stdev2;
        $graph->y_format['stdev2'] = array('colour' => 'ltltgreen', 'bar' => 'fill', 
-                                            'shadow_offset' => 0.1, 'legend' => 'none');
+                                            'shadow_offset' => 0.1, 'legend' => 'none', 'bar_size' => 0.2);
        $graph->offset_relation['stdev1'] = 'answers1';
        $graph->offset_relation['stdev2'] = 'answers2';