2.28.0 30-Mar-2021 - add setBackground method in canvas API - save seed type and show status for stream tracer - bugfix: when re-enabling scalar bar, set it to On if needed
2.28.0 30-Mar-2021 - add setBackground method in canvas API - save seed type and show status for stream tracer - bugfix: when re-enabling scalar bar, set it to On if needed