fix arclength calculations giving invalid values or non-integral steps
This commit is contained in:
parent
10436b59f4
commit
10a07a82c3
@ -218,11 +218,11 @@ class Arc(Shape):
|
||||
r1cos = r1 * numpy.cos(t)
|
||||
arc_dl = numpy.sqrt(r0sin * r0sin + r1cos * r1cos)
|
||||
#arc_lengths = numpy.diff(t) * (arc_dl[1:] + arc_dl[:-1]) / 2
|
||||
arc_lengths = (arc_dl[1:] + arc_dl[:-1]) * dt / 2
|
||||
arc_lengths = (arc_dl[1:] + arc_dl[:-1]) * numpy.abs(dt) / 2
|
||||
return arc_lengths, t
|
||||
|
||||
if num_vertices is not None:
|
||||
n_pts = max(self.radii) / min(self.radii) * num_vertices * 100
|
||||
n_pts = numpy.ceil(max(self.radii) / min(self.radii) * num_vertices * 100).astype(int)
|
||||
perimeter_inner = get_arclens(n_pts, *a_ranges[0])[0].sum()
|
||||
perimeter_outer = get_arclens(n_pts, *a_ranges[1])[0].sum()
|
||||
implied_arclen = (perimeter_outer + perimeter_inner + self.width * 2) / num_vertices
|
||||
@ -233,7 +233,7 @@ class Arc(Shape):
|
||||
""" Figure out the parameter values at which we should place vertices to meet the arclength constraint"""
|
||||
dr = -self.width / 2.0 * (-1 if inner else 1)
|
||||
|
||||
n_pts = 2 * pi * max(self.radii) / max_arclen
|
||||
n_pts = numpy.ceil(2 * pi * max(self.radii) / max_arclen).astype(int)
|
||||
arc_lengths, thetas = get_arclens(n_pts, *a_ranges[0 if inner else 1])
|
||||
|
||||
keep = []
|
||||
|
Loading…
Reference in New Issue
Block a user