Added tracker error to camera calibrator.

src/sensor/ndi/ndi_interface.cpp

@@ -868,8 +868,8 @@ namespace sophiar {
 
                 auto new_trans = transform_obj::new_instance();
                 new_trans->value = Eigen::Translation3d(tx, ty, tz) * Eigen::Quaterniond(q0, qx, qy, qz);
-                try_update_variable<transform_obj>(info.transform_var_index, std::move(new_trans), ts);
                 try_update_variable_value<double_obj>(info.rms_var_index, rms, ts);
+                try_update_variable<transform_obj>(info.transform_var_index, std::move(new_trans), ts);
 
                 // TODO show log for abnormal value in port_status
             }