guest user is not allowed to access this page!!');
}
$uuid = required_param('uuid', PARAM_TEXT);
$course_id = optional_param('course', '1', PARAM_INT);
if (!isGUID($uuid)) exit('
bad asset uuid!! ('.htmlspecialchars($uuid).')
');
if (!$course_id) $course_id = 1;
$xsize = optional_param('xsize', '0', PARAM_INT);
$ysize = optional_param('ysize', '0', PARAM_INT);
$prog = env_get_config('image_processor_jp2');
$cache = CMS_MODULE_PATH.'/helper/texture_cache';
$ret = opensim_display_texture_data($uuid, $prog, $xsize, $ysize, $cache, true);
if (!$ret) exit();