, _start_shift (0.0)
, _region_start (region->start())
, get_image_in_thread (false)
+#ifdef USE_TRACKS_CODE_FEATURES
+ , always_get_image_in_thread (true)
+#else
, always_get_image_in_thread (false)
+#endif
, rendered (false)
{
if (!images) {
, _start_shift (0.0)
, _region_start (region->start())
, get_image_in_thread (false)
+#ifdef USE_TRACKS_CODE_FEATURES
+ , always_get_image_in_thread (true)
+#else
, always_get_image_in_thread (false)
+#endif
, rendered (false)
{
if (!images) {