The head's length (scene units; at most half the arrow); 0 (the default): 0.2 of the arrow's length.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(VectorHandle), | intent(inout) | :: | self | |||
| real(kind=wp), | intent(in) | :: | size |
the head's length (scene units; 0: 0.2 of the arrow) |
subroutine set_head_size(self, size) class(VectorHandle), intent(inout) :: self real(wp), intent(in) :: size !! the head's length (scene units; 0: 0.2 of the arrow) self%head_size_ = max(0.0_wp, size) call update_arrow(self) end subroutine set_head_size