End extent of the visual scale element. For horizontally oriented gauges, this is expressed as a percentage of the gauge's width. For vertically oriented gauges, this is expressed as a percentage of the gauge's height.
Inner extent of the visual scale element. For horizontally oriented gauges, this is expressed as a percentage of the gauge's height. For vertically oriented gauges, this is expressed as a percentage of the gauge's width.
Outer extent of the visual scale element. For horizontally oriented gauges, this is expressed as a percentage of the gauge's height. For vertically oriented gauges, this is expressed as a percentage of the gauge's width.
Start extent of the visual scale element. For horizontally oriented gauges, this is expressed as a percentage of the gauge's width. For vertically oriented gauges, this is expressed as a percentage of the gauge's height.