Index: handlers/location_views_handler_filter_proximity.inc
===================================================================
--- handlers/location_views_handler_filter_proximity.inc	(revision 144)
+++ handlers/location_views_handler_filter_proximity.inc	(working copy)
@@ -130,6 +130,13 @@ class location_views_handler_filter_prox
       ),
       '#default_value' => $this->value['search_units'],
     );
+
+    $form['value']['get_origin_from_url'] = array(
+      '#type' => 'checkbox',
+      '#default_value' => $this->value['get_origin_from_url'],
+      '#title' => t('Obtain origin from url'),
+      '#description' => t('Using this option will attempt to obtain a latitude and longitude from either the current node or user page.'),
+    );
   }
 
   function exposed_form(&$form, &$form_state) {
@@ -181,6 +188,17 @@ class location_views_handler_filter_prox
         return false;
       }
     }
+
+    if ($this->value['get_origin_from_url']) {
+      if (arg(0) == 'node' && is_numeric(arg(1)) && $node = node_load(arg(1))) {
+        $this->value['latitude'] = $node->location['latitude'];
+        $this->value['longitude'] = $node->location['longitude'];
+      }
+      elseif (arg(0) == 'user' && is_numeric(arg(1)) && $user = user_load(arg(1))) {
+        // @todo get user location
+      }
+    }
+
     if (empty($this->value['latitude']) || empty($this->value['longitude'])) {
       return false;
     }