diff options
Diffstat (limited to 'lib/stitches')
| -rw-r--r-- | lib/stitches/fill.py | 6 | ||||
| -rw-r--r-- | lib/stitches/guided_fill.py | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/lib/stitches/fill.py b/lib/stitches/fill.py index 7c07b5c2..ed4ff655 100644 --- a/lib/stitches/fill.py +++ b/lib/stitches/fill.py @@ -37,9 +37,11 @@ def row_num(point, angle, row_spacing): def adjust_stagger(stitch, angle, row_spacing, max_stitch_length, staggers): + if staggers == 0: + staggers = 1 # sanity check to avoid division by zero. this_row_num = row_num(stitch, angle, row_spacing) - row_stagger = this_row_num % staggers - stagger_offset = (float(row_stagger) / staggers) * max_stitch_length + stagger_phase = (this_row_num / staggers) % 1 + stagger_offset = stagger_phase * max_stitch_length offset = ((stitch * east(angle)) - stagger_offset) % max_stitch_length return stitch - offset * east(angle) 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) |