PolarChart.setGridColor

setGridColor([ rGridColor [, rGridWidth [, aGridColor [, aGridWidth ]]]])

Sets the grid colors and widths of the polar plot area.

Argument	Default	Description
rGridColor	80000000	The color of grid lines in the radial direction (from the center outwards).
rGridWidth	1	The line width for grid lines in the radial direction (from the center outwards).
aGridColor	80000000	The color of grid lines in the angular direction (concentric circles around the center).
aGridWidth	1	The line width of grid lines in the angular direction (concentric circles around the center) The line width is only used if the polar plot area is using a polygon grid (see PolarChart.setGridStyle). If circular grid is used, the line width is always 1.

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