summaryrefslogtreecommitdiff
path: root/lib/stitches/guided_fill.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stitches/guided_fill.py')
-rw-r--r--lib/stitches/guided_fill.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/stitches/guided_fill.py b/lib/stitches/guided_fill.py
index 05de14cd..6a92f8e8 100644
--- a/lib/stitches/guided_fill.py
+++ b/lib/stitches/guided_fill.py
@@ -148,7 +148,9 @@ def take_only_line_strings(thing):
def apply_stitches(line, max_stitch_length, num_staggers, row_spacing, row_num):
- start = (float(row_num % num_staggers) / num_staggers) * max_stitch_length
+ if num_staggers == 0:
+ num_staggers = 1 # sanity check to avoid division by zero.
+ start = ((row_num / num_staggers) % 1) * max_stitch_length
projections = np.arange(start, line.length, max_stitch_length)
points = np.array([line.interpolate(projection).coords[0] for projection in projections])
stitched_line = shgeo.LineString(points)