Main Gauge
Size of the gauge
Pie border
Needle's base size (%)
Scale 1 margin (pixels)
Scale 2 margin (pixels)
Labels 1 margin (pixels)
Labels 2 margin (pixels)
Max. Zone
Max. Color	Color
Min. Zone
Min. Color	Color
Min/max zone width
Min/max margin
Start angle
End angle
Subgauge size(%).
Background color