Index: views_cloud.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views_cloud/views_cloud.module,v
retrieving revision 1.3
diff -u -p -r1.3 views_cloud.module
--- views_cloud.module	17 Sep 2008 16:02:42 -0000	1.3
+++ views_cloud.module	1 Jul 2009 16:57:01 -0000
@@ -53,9 +53,12 @@ function template_preprocess_views_cloud
       }
     }
   }
-  
+
+  // Get selected algorithm
+  $algofunc = '_views_cloud_size_helper';
+  $algofunc .= ($view->style_plugin->options['algorithm'] == 'linear' ? '_lin' : '_log' );
   foreach ($vars['rows'] as $num => $row) {
-    $vars['rows'][$num]['cloud_size'] = _views_cloud_size_helper($result[$num]->{$weight_field_alias}, $min, $max);
+    $vars['rows'][$num]['cloud_size'] = $algofunc($result[$num]->{$weight_field_alias}, $min, $max);
     $vars['rows'][$num] = (object)$vars['rows'][$num];
   }
 
@@ -105,8 +108,11 @@ function template_preprocess_views_cloud
     }
   }
 
+  // Get selected algorithm
+  $algofunc = '_views_cloud_size_helper';
+  $algofunc .= ($view->style_plugin->options['algorithm'] == 'linear' ? '_lin' : '_log' );
   foreach ($vars['rows'] as $id => $row) {
-    $vars['rows'][$id]->cloud_size = _views_cloud_size_helper($vars['rows'][$id]->count, $min, $max);
+    $vars['rows'][$id]->cloud_size = $algofunc($vars['rows'][$id]->count, $min, $max);
   }
 
   if (!empty($view->style_plugin->options['randomize'])) {
@@ -114,10 +120,38 @@ function template_preprocess_views_cloud
   }
 }
 
+/**
+ * Algorithm for calculating relative size that is logarithmic.
+ *
+ * @param <type> $value
+ * @param <type> $min
+ * @param <type> $max
+ * @param <type> $sizes
+ * @return <type>
+ */
+function _views_cloud_size_helper_lin($value, $min, $max, $sizes = 7) {
+  if ($min == $max) return 1;
+  $range = ($sizes - 1) / ($max - $min);
+  $value = ($value - $min) * $range;
+  return (intval($value + 1));
+}
 
-function _views_cloud_size_helper($value, $min, $max, $sizes = 7) {
+/**
+ * Algorithm for calculating relative size that is logarithmic.
+ * 
+ * @param <type> $value
+ * @param <type> $min
+ * @param <type> $max
+ * @param <type> $sizes
+ * @return <type>
+ */
+function _views_cloud_size_helper_log($value, $min, $max, $sizes = 7) {
   if ($min == $max) return 1;
+  $value = log($value == 0 ? ++$value : $value);
+  $min = log($min == 0 ? ++$min : $min);
+  $max = log($max);
   $range = ($sizes - 1) / ($max - $min);
   $value = ($value - $min) * $range;
   return (intval($value + 1));
 }
+
Index: views_cloud_plugin_style_cloud.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views_cloud/views_cloud_plugin_style_cloud.inc,v
retrieving revision 1.2.2.1
diff -u -p -r1.2.2.1 views_cloud_plugin_style_cloud.inc
--- views_cloud_plugin_style_cloud.inc	28 May 2009 16:37:05 -0000	1.2.2.1
+++ views_cloud_plugin_style_cloud.inc	1 Jul 2009 16:57:01 -0000
@@ -7,6 +7,7 @@ class views_cloud_plugin_style_cloud ext
   function option_definition() {
     $options = parent::option_definition();
     $options['randomize'] = array('default' => TRUE);
+    $options['algorithm'] = array('default' => TRUE);
     $options['weight_field'] = array('default' => NULL);
     $options['hide_weight_field'] = array('default' => TRUE);
     return $options;
@@ -49,6 +52,14 @@ class views_cloud_plugin_style_cloud ext
       '#description' => t("This setting respects the View's sort order when limiting large paged lists, but shuffles each list of items when displayed on the page."),
       '#default_value' => $this->options['randomize'],
     );  
-  
+
+    $form['algorithm'] = array(
+      '#type' => 'select',
+      '#title' => t('Weight to size algorithm'),
+      '#description' => t("Select the item weight sizing algorithm, linear or logarithmic. Logarithmic emphasizes the relative weight of items."),
+      '#options' => array('linear' => t('Linear'), 'logarithmic' => t('Logarithmic')),
+      '#default_value' => $this->options['algorithm'],
+    );
+
   }
 }
Index: views_cloud_plugin_summary_style_cloud.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views_cloud/views_cloud_plugin_summary_style_cloud.inc,v
retrieving revision 1.1
diff -u -p -r1.1 views_cloud_plugin_summary_style_cloud.inc
--- views_cloud_plugin_summary_style_cloud.inc	17 Sep 2008 16:02:42 -0000	1.1
+++ views_cloud_plugin_summary_style_cloud.inc	1 Jul 2009 16:57:01 -0000
@@ -18,7 +18,15 @@ class views_cloud_plugin_summary_style_c
       '#title' => t('Randomize the order of items'),
       '#description' => t("This setting respects the View's sort order when limiting large paged lists, but shuffles each list of items when displayed on the page."),
       '#default_value' => $this->options['randomize'],
-    );  
+    );
+
+    $form['algorithm'] = array(
+      '#type' => 'select',
+      '#title' => t('Weight to size algorithm'),
+      '#description' => t("Select the item weight sizing algorithm, linear or logarithmic. Logarithmic emphasizes the relative weight of items."),
+      '#options' => array('linear' => t('Linear'), 'logarithmic' => t('Logarithmic')),
+      '#default_value' => $this->options['algorithm'],
+    );
   
   }
 }