Using hook_views to programmatically filter a view in Views 3, Drupal 7

hook_views_pre_view-wrapper.php

function lsadataclassify_views_pre_view(&$view, &$display_id, &$args){
  if ($view->name === 'protection_measures' && $view->current_display === 'page'){

  }
}

hook_views_pre_view.php

function lsadataclassify_views_pre_view(&$view, &$display_id, &$args){
  if ($view->name === 'protection_measures' && $view->current_display === 'page' && isset($args[0])){
    $node = node_load($args[0]);
    $sensitivity = $node->field_research_sensitivity[$node->language][0]['value'];
    $tids = array();
    switch ($sensitivity) {
      case 'high':
        $tids = array(5, 6, 7);
        break;
      case 'moderate':
        $tids = array(6, 7);
        break;
      case 'low':
        $tids = array(7);
        break;
    }
    $view->display['page']->handler->options['filters']['field_pm_sensitivity_termref_tid']['value'] = $tids;
  }
}

view_object_path.php

$view->display['page']->handler->options['filters'];

views_get_page_view.php

  $view = views_get_page_view();

  $pm_nodes = array();
  // loop through each row of the view which contains a node
  foreach ($view->result as $key => $entity){
    // node of protection measure
    $pm_nodes[$key] = $entity->_field_data['nid']['entity'];  
  }