Specifies options for the CircularGauge spindle.
A spindle is a base for CircularGauge needles. A spindle is always positioned at the center of the CircularGauge. You can set its visibility, size and color using the spindle configuration object.
Specifies the color for a CircularGauge's spindle.
This option supports the following colors.
- Hexadecimal colors
- RGB colors
- RGBA colors (not supported in Internet Explorer 8)
- Predefined/Cross-browser color names
- Predefined SVG colors (not supported in Internet Explorer 8)
Specifies the inner diameter in pixels, so that the spindle has the shape of a ring.
Set this property to 0 so that the spindle has the shape of a circle.
Specifies the spindle's diameter in pixels.
Specifies whether or not the spindle is visible.