minor changes

lib/stitches/PointTransfer.py

@@ -409,6 +409,9 @@ def transfer_points_to_surrounding_graph(fill_stitch_graph, current_edge, used_o
         prev_spacing = math.sqrt(normalized_vector_prev_x*normalized_vector_prev_x +
                                  normalized_vector_prev_y*normalized_vector_prev_y)
 
+        # if prev_spacing == 0:
+        #    print("HIER FEHLER")
+
         normalized_vector_prev_x /= prev_spacing
         normalized_vector_prev_y /= prev_spacing
 

lib/stitches/auto_fill.py

@@ -165,6 +165,10 @@ def build_fill_stitch_graph(shape, line, angle, row_spacing, end_row_spacing, st
 
     for i in range(len(rows_of_segments)):
         for segment in rows_of_segments[i]:
+            if abs(segment[0][0]-396.5081896849414) < 0.01:
+                print("HIER") 
+            if segment[0][0] == segment[-1][0] and segment[0][1] == segment[-1][1]:
+                print("FEHLER HIER!")
             # First, add the grating segments as edges.  We'll use the coordinates
             # of the endpoints as nodes, which networkx will add automatically.
 
@@ -674,7 +678,7 @@ def stitch_line(stitches, stitching_direction, geometry, projected_points, max_s
             geometry, geometry.length, 0.0, max_stitch_length, projected_points, abs(row_spacing), offset_by_half, True)
 
     stitches.append(Stitch(*stitched_line[0], tags=('fill_row_start',)))
-    for i in range(1, len(stitched_line)):
+    for i in range(1, len(stitched_line)-1):
         stitches.append(Stitch(*stitched_line[i], tags=('fill_row')))
 
     if not skip_last:
@@ -684,6 +688,8 @@ def stitch_line(stitches, stitching_direction, geometry, projected_points, max_s
         else:
             stitches.append(
                 Stitch(*geometry.coords[0], tags=('fill_row_end',)))
+    if stitches[-1].x == stitches[-2].x and stitches[-1].y == stitches[-2].y:
+        print("FEHLER")
 
 
 @debug.time

lib/stitches/fill.py

@@ -113,6 +113,19 @@ def extend_line(line, minx, maxx, miny, maxy):
                       line.coords[1:-1]+[new_ending_point.as_tuple()])
 
 
+def repair_multiple_parallel_offset_curves(multi_line):
+    lines = linemerge(multi_line)
+    lines = list(multi_line.geoms)
+    max_length = -1
+    max_length_idx = -1
+    for idx, subline in enumerate(lines):
+        if subline.length > max_length:
+            max_length = subline.length
+            max_length_idx = idx
+    # need simplify to avoid doubled points caused by linemerge
+    return lines[max_length_idx].simplify(0.01, False)
+
+
 def intersect_region_with_grating_line(shape, line, row_spacing, end_row_spacing=None, flip=False):
 
     row_spacing = abs(row_spacing)
@@ -141,17 +154,12 @@ def intersect_region_with_grating_line(shape, line, row_spacing, end_row_spacing
             rows.append(runs)
         else:
             rows.insert(0, runs)
+        # if len(runs) > 1:
+        #    print("HIERRRR!")
         line_offsetted = line_offsetted.parallel_offset(row_spacing, 'left', 5)
         if line_offsetted.geom_type == 'MultiLineString':  # if we got multiple lines take the longest
-            lines = linemerge(line_offsetted)
-            lines = list(line_offsetted.geoms)
-            max_length = -1
-            max_length_idx = -1
-            for idx, subline in enumerate(lines):
-                if subline.length > max_length:
-                    max_length = subline.length
-                    max_length_idx = idx
-            line_offsetted = lines[max_length_idx]
+            line_offsetted = repair_multiple_parallel_offset_curves(
+                line_offsetted)
 
         if row_spacing < 0:
             line_offsetted.coords = line_offsetted.coords[::-1]
@@ -162,10 +170,15 @@ def intersect_region_with_grating_line(shape, line, row_spacing, end_row_spacing
                 row_spacing = -row_spacing
                 # print("Set to right")
                 line_offsetted = line.parallel_offset(row_spacing, 'left', 5)
+                if line_offsetted.geom_type == 'MultiLineString':  # if we got multiple lines take the longest
+                    line_offsetted = repair_multiple_parallel_offset_curves(
+                        line_offsetted)
                 # using negative row spacing leads as a side effect to reversed offsetted lines - here we undo this
                 line_offsetted.coords = line_offsetted.coords[::-1]
                 line_offsetted = line_offsetted.simplify(0.01, False)
                 res = line_offsetted.intersection(shape)
+                # if res.geom_type != 'LineString':
+                #    print("HIER!!")
 
     return rows
 

requirements.txt

@@ -19,6 +19,8 @@ stringcase
 tinycss2
 flask
 fonttools
+anytree
+depq
 
 pywinutils; sys.platform == 'win32'
 pywin32; sys.platform == 'win32'