Gradients
gradient_max_length
(float, default: 100)
gradient_min_length
(float, default: 2.0)
gradient_min_slope
(float, default: 0.00001)
gradient_normal_min_dot
(float, default: 0.70)
gradient_step_size
(float, default: 0.25)
gradient_spacing
(int, default: 3)
gradient_symmetry
(float, default: 0.0)