render_polar_angular_gridlines Subroutine

public subroutine render_polar_angular_gridlines(backend, center_x, center_y, r_max, n_circles, color, alpha)

Render angular gridlines (concentric circles)

Arguments

Type	Intent	Optional	Attributes		Name
class(plot_context),	intent(inout)			::	backend
real(kind=wp),	intent(in)			::	center_x
real(kind=wp),	intent(in)			::	center_y
real(kind=wp),	intent(in)			::	r_max
integer,	intent(in)			::	n_circles
real(kind=wp),	intent(in),	optional		::	color(3)
real(kind=wp),	intent(in),	optional		::	alpha