settings.py

"""Stores some global settings, mostly to save on a lot of repetitive arguments.
These are mostly of interest for demonstrating different variants of the algorithms as discussed
in the accompanying article."""


# Both marching cube and dual contouring are adaptive, i.e. they select
# the vertex that best describes the underlying function. But for illustrative purposes
# you can turn this off, and simply select the midpoint vertex.
ADAPTIVE = True

# In dual contouring, if true, crudely force the selected vertex to belong in the cell
CLIP = False
# In dual contouring, if true, apply boundaries to the minimization process finding the vertex for each cell
BOUNDARY = True
# In dual contouring, if true, apply extra penalties to encourage the vertex to stay within the cell
BIAS = True
# Strength of the above bias, relative to 1.0 strength for the input gradients
BIAS_STRENGTH = 0.01

# Default bounds to evaluate over
XMIN = -3
XMAX = 3
YMIN = -3
YMAX = 3
ZMIN = -3
ZMAX = 3

# Size of single cell in grid
CELL_SIZE = 1

# Small value used to avoid floating point issues.
EPS = 1e-8