diff options
| -rw-r--r-- | lib/stitches/contour_fill.py | 6 | ||||
| -rw-r--r-- | lib/stitches/running_stitch.py | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/lib/stitches/contour_fill.py b/lib/stitches/contour_fill.py index 2ea61afb..993fa104 100644 --- a/lib/stitches/contour_fill.py +++ b/lib/stitches/contour_fill.py @@ -569,6 +569,7 @@ def _make_fermat_spiral(rings, stitch_length, starting_point): def _make_spiral(rings, stitch_length, starting_point): path = [] + spiral_part = None for ring1, ring2 in zip(rings[:-1], rings[1:]): check_stop_flag() @@ -577,7 +578,8 @@ def _make_spiral(rings, stitch_length, starting_point): # skip last to avoid duplicated points path.extend(spiral_part.coords[:-1]) - # at the end add last point - path.append(spiral_part.coords[-1]) + if spiral_part: + # at the end add last point + path.append(spiral_part.coords[-1]) return path diff --git a/lib/stitches/running_stitch.py b/lib/stitches/running_stitch.py index 29e2547d..b6262a45 100644 --- a/lib/stitches/running_stitch.py +++ b/lib/stitches/running_stitch.py @@ -249,6 +249,8 @@ def path_to_curves(points: typing.List[Point], min_len: float): def running_stitch(points, stitch_length, tolerance): # Turn a continuous path into a running stitch. + if not points: + return stitches = [points[0]] for curve in path_to_curves(points, 2 * tolerance): # segments longer than twice the tollerance will usually be forced by it, so set that as the minimum for corner detection |