This group box contains several settings controlling the shape of the border applied on the gauge area:
Shape - controls the shape of the border. Possible values are:
- None - the border is not visualized.
- Auto - the border shape is automatically selected depending on the current gauge type and settings.
- Rectangle - the border has rectangular shape.
- Rounded Rectangle - the border has rounded rectangular shape.
- Circle - the border has circular shape in case the gauge type is a radial gauge or rectangular shape for if the gauge type is not radial.
- Cut Circle - the border has a cut circle shape in case the gauge type is a radial gauge or rectangular shape if the gauge type is not radial.
- Rounded Outline - the border has a rounded circular shape in case the gauge type is a radial gauge or rounded rectangular shape if the gauge type is not radial.
Edge Rounding - controls the rounding of the edges in case the border shape is Rounded Rectangle, Cut Circle or Rounded Outline.
Center Rounding - controls the rounding around the radial gauge cap when the currently selected gauge type is radial and the border shape is Cut Circle or Rounded Outline.