Avoid FloatingPointError (fill) (#2959)

lib/elements/fill_stitch.py

@@ -9,6 +9,7 @@ import re
 import numpy as np
 from inkex import LinearGradient, Transform
 from shapely import geometry as shgeo
+from shapely import set_precision
 from shapely.errors import GEOSException
 from shapely.ops import nearest_points
 from shapely.validation import explain_validity, make_valid
@@ -726,7 +727,8 @@ class FillStitch(EmbroideryElement):
     @property
     @cache
     def shape(self):
-        shape = self._get_clipped_path()
+        # avoid FloatingPointError while keeping a decent precision necessary for clamp path
+        shape = set_precision(self._get_clipped_path(), 0.0000000001)
 
         if shape.is_valid:
             return ensure_multi_polygon(shape, 3)

lib/stitches/auto_fill.py

@@ -15,7 +15,6 @@ from shapely import segmentize
 from shapely.ops import snap
 from shapely.strtree import STRtree
 
-
 from ..debug.debug import debug
 from ..stitch_plan import Stitch
 from ..svg import PIXELS_PER_MM
@@ -24,9 +23,9 @@ from ..utils.clamp_path import clamp_path_to_polygon
 from ..utils.geometry import Point as InkstitchPoint
 from ..utils.geometry import (ensure_multi_line_string,
                               line_string_to_point_list)
+from ..utils.prng import join_args
 from ..utils.smoothing import smooth_path
 from ..utils.threading import check_stop_flag
-from ..utils.prng import join_args
 from .fill import intersect_region_with_grating, stitch_row
 from .running_stitch import even_running_stitch
 
@@ -143,6 +142,7 @@ def project(shape, coords, outline_index):
     """
 
     outline = ensure_multi_line_string(shape.boundary).geoms[outline_index]
+
     return outline.project(shgeo.Point(*coords))