def _subdivide(ci):
"""
Recursive subdivision.
"""
# Check flatness.
cpi = ci.cp
if not is_curve_flat(ci.n, cpi, tol):
# Split curve.
if ci.p == 1:
mid = int(ceil((ci.uk.size - 1) / 2))
ui = ci.uk[mid]
else:
ui = 0.5 * (ci.a + ci.b)
c1, c2 = ci.split(ui, domain='global')
# Subdivide.
map(_subdivide, [c1, c2])
else:
params.append(ci.a)
verts.append(curve.eval(ci.a, rtype='ndarray', domain='global'))
nvert[0] += 2
def _is_curve_flat(ni, cpi):
"""
Check curve flatness.
"""
return is_curve_flat(ni, cpi, ftol)
def _is_flat(ni, cpi):
"""
Check the flatness of the curve.
"""
return is_curve_flat(ni, cpi, ftol)