1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
|
# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import numpy
import math
from typing import List, Optional, TYPE_CHECKING, Any, Set, cast, Iterable, Dict
from UM.Mesh.MeshData import MeshData
from UM.Mesh.MeshBuilder import MeshBuilder
from UM.Application import Application #To modify the maximum zoom level.
from UM.i18n import i18nCatalog
from UM.Scene.Platform import Platform
from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
from UM.Scene.SceneNode import SceneNode
from UM.Resources import Resources
from UM.Math.Vector import Vector
from UM.Math.Matrix import Matrix
from UM.Math.Color import Color
from UM.Math.AxisAlignedBox import AxisAlignedBox
from UM.Math.Polygon import Polygon
from UM.Message import Message
from UM.Signal import Signal
from UM.View.RenderBatch import RenderBatch
from UM.View.GL.OpenGL import OpenGL
from cura.Settings.GlobalStack import GlobalStack
from cura.Scene.CuraSceneNode import CuraSceneNode
from cura.Settings.ExtruderManager import ExtruderManager
from PyQt5.QtCore import QTimer
if TYPE_CHECKING:
from cura.CuraApplication import CuraApplication
from cura.Settings.ExtruderStack import ExtruderStack
from UM.Settings.ContainerStack import ContainerStack
catalog = i18nCatalog("cura")
# Radius of disallowed area in mm around prime. I.e. how much distance to keep from prime position.
PRIME_CLEARANCE = 6.5
## Build volume is a special kind of node that is responsible for rendering the printable area & disallowed areas.
class BuildVolume(SceneNode):
raftThicknessChanged = Signal()
def __init__(self, application: "CuraApplication", parent: Optional[SceneNode] = None) -> None:
super().__init__(parent)
self._application = application
self._machine_manager = self._application.getMachineManager()
self._volume_outline_color = None # type: Optional[Color]
self._x_axis_color = None # type: Optional[Color]
self._y_axis_color = None # type: Optional[Color]
self._z_axis_color = None # type: Optional[Color]
self._disallowed_area_color = None # type: Optional[Color]
self._error_area_color = None # type: Optional[Color]
self._width = 0 # type: float
self._height = 0 # type: float
self._depth = 0 # type: float
self._shape = "" # type: str
self._shader = None
self._origin_mesh = None # type: Optional[MeshData]
self._origin_line_length = 20
self._origin_line_width = 1.5
self._enabled = False
self._grid_mesh = None # type: Optional[MeshData]
self._grid_shader = None
self._disallowed_areas = [] # type: List[Polygon]
self._disallowed_areas_no_brim = [] # type: List[Polygon]
self._disallowed_area_mesh = None # type: Optional[MeshData]
self._disallowed_area_size = 0.
self._error_areas = [] # type: List[Polygon]
self._error_mesh = None # type: Optional[MeshData]
self.setCalculateBoundingBox(False)
self._volume_aabb = None # type: Optional[AxisAlignedBox]
self._raft_thickness = 0.0
self._extra_z_clearance = 0.0
self._adhesion_type = None # type: Any
self._platform = Platform(self)
self._build_volume_message = Message(catalog.i18nc("@info:status",
"The build volume height has been reduced due to the value of the"
" \"Print Sequence\" setting to prevent the gantry from colliding"
" with printed models."), title = catalog.i18nc("@info:title", "Build Volume"))
self._global_container_stack = None # type: Optional[GlobalStack]
self._stack_change_timer = QTimer()
self._stack_change_timer.setInterval(100)
self._stack_change_timer.setSingleShot(True)
self._stack_change_timer.timeout.connect(self._onStackChangeTimerFinished)
self._application.globalContainerStackChanged.connect(self._onStackChanged)
self._onStackChanged()
self._engine_ready = False
self._application.engineCreatedSignal.connect(self._onEngineCreated)
self._has_errors = False
self._application.getController().getScene().sceneChanged.connect(self._onSceneChanged)
#Objects loaded at the moment. We are connected to the property changed events of these objects.
self._scene_objects = set() # type: Set[SceneNode]
self._scene_change_timer = QTimer()
self._scene_change_timer.setInterval(100)
self._scene_change_timer.setSingleShot(True)
self._scene_change_timer.timeout.connect(self._onSceneChangeTimerFinished)
self._setting_change_timer = QTimer()
self._setting_change_timer.setInterval(150)
self._setting_change_timer.setSingleShot(True)
self._setting_change_timer.timeout.connect(self._onSettingChangeTimerFinished)
# Must be after setting _build_volume_message, apparently that is used in getMachineManager.
# activeQualityChanged is always emitted after setActiveVariant, setActiveMaterial and setActiveQuality.
# Therefore this works.
self._machine_manager.activeQualityChanged.connect(self._onStackChanged)
# Enable and disable extruder
self._machine_manager.extruderChanged.connect(self.updateNodeBoundaryCheck)
# List of settings which were updated
self._changed_settings_since_last_rebuild = [] # type: List[str]
def _onSceneChanged(self, source):
if self._global_container_stack:
# Ignore anything that is not something we can slice in the first place!
if source.callDecoration("isSliceable"):
self._scene_change_timer.start()
def _onSceneChangeTimerFinished(self):
root = self._application.getController().getScene().getRoot()
new_scene_objects = set(node for node in BreadthFirstIterator(root) if node.callDecoration("isSliceable"))
if new_scene_objects != self._scene_objects:
for node in new_scene_objects - self._scene_objects: #Nodes that were added to the scene.
self._updateNodeListeners(node)
node.decoratorsChanged.connect(self._updateNodeListeners) # Make sure that decoration changes afterwards also receive the same treatment
for node in self._scene_objects - new_scene_objects: #Nodes that were removed from the scene.
per_mesh_stack = node.callDecoration("getStack")
if per_mesh_stack:
per_mesh_stack.propertyChanged.disconnect(self._onSettingPropertyChanged)
active_extruder_changed = node.callDecoration("getActiveExtruderChangedSignal")
if active_extruder_changed is not None:
node.callDecoration("getActiveExtruderChangedSignal").disconnect(self._updateDisallowedAreasAndRebuild)
node.decoratorsChanged.disconnect(self._updateNodeListeners)
self.rebuild()
self._scene_objects = new_scene_objects
self._onSettingPropertyChanged("print_sequence", "value") # Create fake event, so right settings are triggered.
## Updates the listeners that listen for changes in per-mesh stacks.
#
# \param node The node for which the decorators changed.
def _updateNodeListeners(self, node: SceneNode):
per_mesh_stack = node.callDecoration("getStack")
if per_mesh_stack:
per_mesh_stack.propertyChanged.connect(self._onSettingPropertyChanged)
active_extruder_changed = node.callDecoration("getActiveExtruderChangedSignal")
if active_extruder_changed is not None:
active_extruder_changed.connect(self._updateDisallowedAreasAndRebuild)
def setWidth(self, width: float) -> None:
self._width = width
def setHeight(self, height: float) -> None:
self._height = height
def setDepth(self, depth: float) -> None:
self._depth = depth
def setShape(self, shape: str) -> None:
if shape:
self._shape = shape
## Get the length of the 3D diagonal through the build volume.
#
# This gives a sense of the scale of the build volume in general.
def getDiagonalSize(self) -> float:
return math.sqrt(self._width * self._width + self._height * self._height + self._depth * self._depth)
def getDisallowedAreas(self) -> List[Polygon]:
return self._disallowed_areas
def getDisallowedAreasNoBrim(self) -> List[Polygon]:
return self._disallowed_areas_no_brim
def setDisallowedAreas(self, areas: List[Polygon]):
self._disallowed_areas = areas
def render(self, renderer):
if not self.getMeshData() or not self.isVisible():
return True
if not self._shader:
self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "default.shader"))
self._grid_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "grid.shader"))
theme = self._application.getTheme()
self._grid_shader.setUniformValue("u_plateColor", Color(*theme.getColor("buildplate").getRgb()))
self._grid_shader.setUniformValue("u_gridColor0", Color(*theme.getColor("buildplate_grid").getRgb()))
self._grid_shader.setUniformValue("u_gridColor1", Color(*theme.getColor("buildplate_grid_minor").getRgb()))
renderer.queueNode(self, mode = RenderBatch.RenderMode.Lines)
renderer.queueNode(self, mesh = self._origin_mesh, backface_cull = True)
renderer.queueNode(self, mesh = self._grid_mesh, shader = self._grid_shader, backface_cull = True)
if self._disallowed_area_mesh:
renderer.queueNode(self, mesh = self._disallowed_area_mesh, shader = self._shader, transparent = True, backface_cull = True, sort = -9)
if self._error_mesh:
renderer.queueNode(self, mesh=self._error_mesh, shader=self._shader, transparent=True,
backface_cull=True, sort=-8)
return True
## For every sliceable node, update node._outside_buildarea
#
def updateNodeBoundaryCheck(self):
if not self._global_container_stack:
return
root = self._application.getController().getScene().getRoot()
nodes = cast(List[SceneNode], list(cast(Iterable, BreadthFirstIterator(root))))
group_nodes = [] # type: List[SceneNode]
build_volume_bounding_box = self.getBoundingBox()
if build_volume_bounding_box:
# It's over 9000!
# We set this to a very low number, as we do allow models to intersect the build plate.
# This means the model gets cut off at the build plate.
build_volume_bounding_box = build_volume_bounding_box.set(bottom=-9001)
else:
# No bounding box. This is triggered when running Cura from command line with a model for the first time
# In that situation there is a model, but no machine (and therefore no build volume.
return
for node in nodes:
# Need to check group nodes later
if node.callDecoration("isGroup"):
group_nodes.append(node) # Keep list of affected group_nodes
if node.callDecoration("isSliceable") or node.callDecoration("isGroup"):
if not isinstance(node, CuraSceneNode):
continue
if node.collidesWithBbox(build_volume_bounding_box):
node.setOutsideBuildArea(True)
continue
if node.collidesWithAreas(self.getDisallowedAreas()):
node.setOutsideBuildArea(True)
continue
# If the entire node is below the build plate, still mark it as outside.
node_bounding_box = node.getBoundingBox()
if node_bounding_box and node_bounding_box.top < 0:
node.setOutsideBuildArea(True)
continue
# Mark the node as outside build volume if the set extruder is disabled
extruder_position = node.callDecoration("getActiveExtruderPosition")
try:
if not self._global_container_stack.extruderList[int(extruder_position)].isEnabled:
node.setOutsideBuildArea(True)
continue
except IndexError:
continue
node.setOutsideBuildArea(False)
# Group nodes should override the _outside_buildarea property of their children.
for group_node in group_nodes:
children = group_node.getAllChildren()
# Check if one or more children are non-printable and if so, set the parent as non-printable:
for child_node in children:
if child_node.isOutsideBuildArea():
group_node.setOutsideBuildArea(True)
break
# Apply results of the check to all children of the group:
for child_node in children:
child_node.setOutsideBuildArea(group_node.isOutsideBuildArea())
## Update the outsideBuildArea of a single node, given bounds or current build volume
def checkBoundsAndUpdate(self, node: CuraSceneNode, bounds: Optional[AxisAlignedBox] = None) -> None:
if not isinstance(node, CuraSceneNode) or self._global_container_stack is None:
return
if bounds is None:
build_volume_bounding_box = self.getBoundingBox()
if build_volume_bounding_box:
# It's over 9000!
build_volume_bounding_box = build_volume_bounding_box.set(bottom=-9001)
else:
# No bounding box. This is triggered when running Cura from command line with a model for the first time
# In that situation there is a model, but no machine (and therefore no build volume.
return
else:
build_volume_bounding_box = bounds
if node.callDecoration("isSliceable") or node.callDecoration("isGroup"):
if node.collidesWithBbox(build_volume_bounding_box):
node.setOutsideBuildArea(True)
return
if node.collidesWithAreas(self.getDisallowedAreas()):
node.setOutsideBuildArea(True)
return
# Mark the node as outside build volume if the set extruder is disabled
extruder_position = node.callDecoration("getActiveExtruderPosition")
if not self._global_container_stack.extruderList[int(extruder_position)].isEnabled:
node.setOutsideBuildArea(True)
return
node.setOutsideBuildArea(False)
def _buildGridMesh(self, min_w: float, max_w: float, min_h: float, max_h: float, min_d: float, max_d:float, z_fight_distance: float) -> MeshData:
mb = MeshBuilder()
if self._shape != "elliptic":
# Build plate grid mesh
mb.addQuad(
Vector(min_w, min_h - z_fight_distance, min_d),
Vector(max_w, min_h - z_fight_distance, min_d),
Vector(max_w, min_h - z_fight_distance, max_d),
Vector(min_w, min_h - z_fight_distance, max_d)
)
for n in range(0, 6):
v = mb.getVertex(n)
mb.setVertexUVCoordinates(n, v[0], v[2])
return mb.build()
else:
aspect = 1.0
scale_matrix = Matrix()
if self._width != 0:
# Scale circular meshes by aspect ratio if width != height
aspect = self._depth / self._width
scale_matrix.compose(scale=Vector(1, 1, aspect))
mb.addVertex(0, min_h - z_fight_distance, 0)
mb.addArc(max_w, Vector.Unit_Y, center=Vector(0, min_h - z_fight_distance, 0))
sections = mb.getVertexCount() - 1 # Center point is not an arc section
indices = []
for n in range(0, sections - 1):
indices.append([0, n + 2, n + 1])
mb.addIndices(numpy.asarray(indices, dtype=numpy.int32))
mb.calculateNormals()
for n in range(0, mb.getVertexCount()):
v = mb.getVertex(n)
mb.setVertexUVCoordinates(n, v[0], v[2] * aspect)
return mb.build().getTransformed(scale_matrix)
def _buildMesh(self, min_w: float, max_w: float, min_h: float, max_h: float, min_d: float, max_d:float, z_fight_distance: float) -> MeshData:
if self._shape != "elliptic":
# Outline 'cube' of the build volume
mb = MeshBuilder()
mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
return mb.build()
else:
# Bottom and top 'ellipse' of the build volume
scale_matrix = Matrix()
if self._width != 0:
# Scale circular meshes by aspect ratio if width != height
aspect = self._depth / self._width
scale_matrix.compose(scale = Vector(1, 1, aspect))
mb = MeshBuilder()
mb.addArc(max_w, Vector.Unit_Y, center = (0, min_h - z_fight_distance, 0), color = self._volume_outline_color)
mb.addArc(max_w, Vector.Unit_Y, center = (0, max_h, 0), color = self._volume_outline_color)
return mb.build().getTransformed(scale_matrix)
def _buildOriginMesh(self, origin: Vector) -> MeshData:
mb = MeshBuilder()
mb.addCube(
width=self._origin_line_length,
height=self._origin_line_width,
depth=self._origin_line_width,
center=origin + Vector(self._origin_line_length / 2, 0, 0),
color=self._x_axis_color
)
mb.addCube(
width=self._origin_line_width,
height=self._origin_line_length,
depth=self._origin_line_width,
center=origin + Vector(0, self._origin_line_length / 2, 0),
color=self._y_axis_color
)
mb.addCube(
width=self._origin_line_width,
height=self._origin_line_width,
depth=self._origin_line_length,
center=origin - Vector(0, 0, self._origin_line_length / 2),
color=self._z_axis_color
)
return mb.build()
def _updateColors(self):
theme = self._application.getTheme()
if theme is None:
return
self._volume_outline_color = Color(*theme.getColor("volume_outline").getRgb())
self._x_axis_color = Color(*theme.getColor("x_axis").getRgb())
self._y_axis_color = Color(*theme.getColor("y_axis").getRgb())
self._z_axis_color = Color(*theme.getColor("z_axis").getRgb())
self._disallowed_area_color = Color(*theme.getColor("disallowed_area").getRgb())
self._error_area_color = Color(*theme.getColor("error_area").getRgb())
def _buildErrorMesh(self, min_w: float, max_w: float, min_h: float, max_h: float, min_d: float, max_d: float, disallowed_area_height: float) -> Optional[MeshData]:
if not self._error_areas:
return None
mb = MeshBuilder()
for error_area in self._error_areas:
color = self._error_area_color
points = error_area.getPoints()
first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
for point in points:
new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height,
self._clamp(point[1], min_d, max_d))
mb.addFace(first, previous_point, new_point, color=color)
previous_point = new_point
return mb.build()
def _buildDisallowedAreaMesh(self, min_w: float, max_w: float, min_h: float, max_h: float, min_d: float, max_d: float, disallowed_area_height: float) -> Optional[MeshData]:
if not self._disallowed_areas:
return None
mb = MeshBuilder()
color = self._disallowed_area_color
for polygon in self._disallowed_areas:
points = polygon.getPoints()
if len(points) == 0:
continue
first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
for point in points:
new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height,
self._clamp(point[1], min_d, max_d))
mb.addFace(first, previous_point, new_point, color=color)
previous_point = new_point
# Find the largest disallowed area to exclude it from the maximum scale bounds.
# This is a very nasty hack. This pretty much only works for UM machines.
# This disallowed area_size needs a -lot- of rework at some point in the future: TODO
if numpy.min(points[:,
1]) >= 0: # This filters out all areas that have points to the left of the centre. This is done to filter the skirt area.
size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
else:
size = 0
self._disallowed_area_size = max(size, self._disallowed_area_size)
return mb.build()
## Recalculates the build volume & disallowed areas.
def rebuild(self) -> None:
if not self._width or not self._height or not self._depth:
return
if not self._engine_ready:
return
if not self._global_container_stack:
return
if not self._volume_outline_color:
self._updateColors()
min_w = -self._width / 2
max_w = self._width / 2
min_h = 0.0
max_h = self._height
min_d = -self._depth / 2
max_d = self._depth / 2
z_fight_distance = 0.2 # Distance between buildplate and disallowed area meshes to prevent z-fighting
self._grid_mesh = self._buildGridMesh(min_w, max_w, min_h, max_h, min_d, max_d, z_fight_distance)
self.setMeshData(self._buildMesh(min_w, max_w, min_h, max_h, min_d, max_d, z_fight_distance))
# Indication of the machine origin
if self._global_container_stack.getProperty("machine_center_is_zero", "value"):
origin = (Vector(min_w, min_h, min_d) + Vector(max_w, min_h, max_d)) / 2
else:
origin = Vector(min_w, min_h, max_d)
self._origin_mesh = self._buildOriginMesh(origin)
disallowed_area_height = 0.1
self._disallowed_area_size = 0.
self._disallowed_area_mesh = self._buildDisallowedAreaMesh(min_w, max_w, min_h, max_h, min_d, max_d, disallowed_area_height)
self._error_mesh = self._buildErrorMesh(min_w, max_w, min_h, max_h, min_d, max_d, disallowed_area_height)
self._volume_aabb = AxisAlignedBox(
minimum = Vector(min_w, min_h - 1.0, min_d),
maximum = Vector(max_w, max_h - self._raft_thickness - self._extra_z_clearance, max_d))
bed_adhesion_size = self.getEdgeDisallowedSize()
# As this works better for UM machines, we only add the disallowed_area_size for the z direction.
# This is probably wrong in all other cases. TODO!
# The +1 and -1 is added as there is always a bit of extra room required to work properly.
scale_to_max_bounds = AxisAlignedBox(
minimum = Vector(min_w + bed_adhesion_size + 1, min_h, min_d + self._disallowed_area_size - bed_adhesion_size + 1),
maximum = Vector(max_w - bed_adhesion_size - 1, max_h - self._raft_thickness - self._extra_z_clearance, max_d - self._disallowed_area_size + bed_adhesion_size - 1)
)
self._application.getController().getScene()._maximum_bounds = scale_to_max_bounds # type: ignore
self.updateNodeBoundaryCheck()
def getBoundingBox(self):
return self._volume_aabb
def getRaftThickness(self) -> float:
return self._raft_thickness
def _updateRaftThickness(self) -> None:
if not self._global_container_stack:
return
old_raft_thickness = self._raft_thickness
if self._global_container_stack.extruderList:
# This might be called before the extruder stacks have initialised, in which case getting the adhesion_type fails
self._adhesion_type = self._global_container_stack.getProperty("adhesion_type", "value")
self._raft_thickness = 0.0
if self._adhesion_type == "raft":
self._raft_thickness = (
self._global_container_stack.getProperty("raft_base_thickness", "value") +
self._global_container_stack.getProperty("raft_interface_thickness", "value") +
self._global_container_stack.getProperty("raft_surface_layers", "value") *
self._global_container_stack.getProperty("raft_surface_thickness", "value") +
self._global_container_stack.getProperty("raft_airgap", "value") -
self._global_container_stack.getProperty("layer_0_z_overlap", "value"))
# Rounding errors do not matter, we check if raft_thickness has changed at all
if old_raft_thickness != self._raft_thickness:
self.setPosition(Vector(0, -self._raft_thickness, 0), SceneNode.TransformSpace.World)
self.raftThicknessChanged.emit()
def _calculateExtraZClearance(self, extruders: List["ContainerStack"]) -> float:
if not self._global_container_stack:
return 0
extra_z = 0.0
for extruder in extruders:
if extruder.getProperty("retraction_hop_enabled", "value"):
retraction_hop = extruder.getProperty("retraction_hop", "value")
if extra_z is None or retraction_hop > extra_z:
extra_z = retraction_hop
return extra_z
def _onStackChanged(self):
self._stack_change_timer.start()
## Update the build volume visualization
def _onStackChangeTimerFinished(self) -> None:
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onSettingPropertyChanged)
extruders = ExtruderManager.getInstance().getActiveExtruderStacks()
for extruder in extruders:
extruder.propertyChanged.disconnect(self._onSettingPropertyChanged)
self._global_container_stack = self._application.getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(self._onSettingPropertyChanged)
extruders = ExtruderManager.getInstance().getActiveExtruderStacks()
for extruder in extruders:
extruder.propertyChanged.connect(self._onSettingPropertyChanged)
self._width = self._global_container_stack.getProperty("machine_width", "value")
machine_height = self._global_container_stack.getProperty("machine_height", "value")
if self._global_container_stack.getProperty("print_sequence", "value") == "one_at_a_time" and len(self._scene_objects) > 1:
self._height = min(self._global_container_stack.getProperty("gantry_height", "value"), machine_height)
if self._height < machine_height:
self._build_volume_message.show()
else:
self._build_volume_message.hide()
else:
self._height = self._global_container_stack.getProperty("machine_height", "value")
self._build_volume_message.hide()
self._depth = self._global_container_stack.getProperty("machine_depth", "value")
self._shape = self._global_container_stack.getProperty("machine_shape", "value")
self._updateDisallowedAreas()
self._updateRaftThickness()
self._extra_z_clearance = self._calculateExtraZClearance(ExtruderManager.getInstance().getUsedExtruderStacks())
if self._engine_ready:
self.rebuild()
camera = Application.getInstance().getController().getCameraTool()
if camera:
diagonal = self.getDiagonalSize()
if diagonal > 1:
# You can zoom out up to 5 times the diagonal. This gives some space around the volume.
camera.setZoomRange(min = 0.1, max = diagonal * 5) # type: ignore
def _onEngineCreated(self) -> None:
self._engine_ready = True
self.rebuild()
def _onSettingChangeTimerFinished(self) -> None:
if not self._global_container_stack:
return
rebuild_me = False
update_disallowed_areas = False
update_raft_thickness = False
update_extra_z_clearance = True
for setting_key in self._changed_settings_since_last_rebuild:
if setting_key == "print_sequence":
machine_height = self._global_container_stack.getProperty("machine_height", "value")
if self._application.getGlobalContainerStack().getProperty("print_sequence", "value") == "one_at_a_time" and len(self._scene_objects) > 1:
self._height = min(self._global_container_stack.getProperty("gantry_height", "value"), machine_height)
if self._height < machine_height:
self._build_volume_message.show()
else:
self._build_volume_message.hide()
else:
self._height = self._global_container_stack.getProperty("machine_height", "value")
self._build_volume_message.hide()
update_disallowed_areas = True
# sometimes the machine size or shape settings are adjusted on the active machine, we should reflect this
if setting_key in self._machine_settings:
self._updateMachineSizeProperties()
update_extra_z_clearance = True
update_disallowed_areas = True
if setting_key in self._disallowed_area_settings:
update_disallowed_areas = True
if setting_key in self._raft_settings:
update_raft_thickness = True
if setting_key in self._extra_z_settings:
update_extra_z_clearance = True
if setting_key in self._limit_to_extruder_settings:
update_disallowed_areas = True
rebuild_me = update_extra_z_clearance or update_disallowed_areas or update_raft_thickness
# We only want to update all of them once.
if update_disallowed_areas:
self._updateDisallowedAreas()
if update_raft_thickness:
self._updateRaftThickness()
if update_extra_z_clearance:
self._extra_z_clearance = self._calculateExtraZClearance(ExtruderManager.getInstance().getUsedExtruderStacks())
if rebuild_me:
self.rebuild()
# We just did a rebuild, reset the list.
self._changed_settings_since_last_rebuild = []
def _onSettingPropertyChanged(self, setting_key: str, property_name: str) -> None:
if property_name != "value":
return
if setting_key not in self._changed_settings_since_last_rebuild:
self._changed_settings_since_last_rebuild.append(setting_key)
self._setting_change_timer.start()
def hasErrors(self) -> bool:
return self._has_errors
def _updateMachineSizeProperties(self) -> None:
if not self._global_container_stack:
return
self._height = self._global_container_stack.getProperty("machine_height", "value")
self._width = self._global_container_stack.getProperty("machine_width", "value")
self._depth = self._global_container_stack.getProperty("machine_depth", "value")
self._shape = self._global_container_stack.getProperty("machine_shape", "value")
## Calls _updateDisallowedAreas and makes sure the changes appear in the
# scene.
#
# This is required for a signal to trigger the update in one go. The
# ``_updateDisallowedAreas`` method itself shouldn't call ``rebuild``,
# since there may be other changes before it needs to be rebuilt, which
# would hit performance.
def _updateDisallowedAreasAndRebuild(self):
self._updateDisallowedAreas()
self._updateRaftThickness()
self._extra_z_clearance = self._calculateExtraZClearance(ExtruderManager.getInstance().getUsedExtruderStacks())
self.rebuild()
def _updateDisallowedAreas(self) -> None:
if not self._global_container_stack:
return
self._error_areas = []
used_extruders = ExtruderManager.getInstance().getUsedExtruderStacks()
disallowed_border_size = self.getEdgeDisallowedSize()
result_areas = self._computeDisallowedAreasStatic(disallowed_border_size, used_extruders) # Normal machine disallowed areas can always be added.
prime_areas = self._computeDisallowedAreasPrimeBlob(disallowed_border_size, used_extruders)
result_areas_no_brim = self._computeDisallowedAreasStatic(0, used_extruders) # Where the priming is not allowed to happen. This is not added to the result, just for collision checking.
# Check if prime positions intersect with disallowed areas.
for extruder in used_extruders:
extruder_id = extruder.getId()
result_areas[extruder_id].extend(prime_areas[extruder_id])
result_areas_no_brim[extruder_id].extend(prime_areas[extruder_id])
nozzle_disallowed_areas = extruder.getProperty("nozzle_disallowed_areas", "value")
for area in nozzle_disallowed_areas:
polygon = Polygon(numpy.array(area, numpy.float32))
polygon_disallowed_border = polygon.getMinkowskiHull(Polygon.approximatedCircle(disallowed_border_size))
result_areas[extruder_id].append(polygon_disallowed_border) # Don't perform the offset on these.
result_areas_no_brim[extruder_id].append(polygon) # No brim
# Add prime tower location as disallowed area.
if len([x for x in used_extruders if x.isEnabled]) > 1: # No prime tower if only one extruder is enabled
prime_tower_collision = False
prime_tower_areas = self._computeDisallowedAreasPrinted(used_extruders)
for extruder_id in prime_tower_areas:
for area_index, prime_tower_area in enumerate(prime_tower_areas[extruder_id]):
for area in result_areas[extruder_id]:
if prime_tower_area.intersectsPolygon(area) is not None:
prime_tower_collision = True
break
if prime_tower_collision: # Already found a collision.
break
if self._global_container_stack.getProperty("prime_tower_brim_enable", "value") and self._global_container_stack.getProperty("adhesion_type", "value") != "raft":
prime_tower_areas[extruder_id][area_index] = prime_tower_area.getMinkowskiHull(Polygon.approximatedCircle(disallowed_border_size))
if not prime_tower_collision:
result_areas[extruder_id].extend(prime_tower_areas[extruder_id])
result_areas_no_brim[extruder_id].extend(prime_tower_areas[extruder_id])
else:
self._error_areas.extend(prime_tower_areas[extruder_id])
self._has_errors = len(self._error_areas) > 0
self._disallowed_areas = []
for extruder_id in result_areas:
self._disallowed_areas.extend(result_areas[extruder_id])
self._disallowed_areas_no_brim = []
for extruder_id in result_areas_no_brim:
self._disallowed_areas_no_brim.extend(result_areas_no_brim[extruder_id])
## Computes the disallowed areas for objects that are printed with print
# features.
#
# This means that the brim, travel avoidance and such will be applied to
# these features.
#
# \return A dictionary with for each used extruder ID the disallowed areas
# where that extruder may not print.
def _computeDisallowedAreasPrinted(self, used_extruders):
result = {}
adhesion_extruder = None #type: ExtruderStack
for extruder in used_extruders:
if int(extruder.getProperty("extruder_nr", "value")) == int(self._global_container_stack.getProperty("adhesion_extruder_nr", "value")):
adhesion_extruder = extruder
result[extruder.getId()] = []
# Currently, the only normally printed object is the prime tower.
if self._global_container_stack.getProperty("prime_tower_enable", "value"):
prime_tower_size = self._global_container_stack.getProperty("prime_tower_size", "value")
machine_width = self._global_container_stack.getProperty("machine_width", "value")
machine_depth = self._global_container_stack.getProperty("machine_depth", "value")
prime_tower_x = self._global_container_stack.getProperty("prime_tower_position_x", "value")
prime_tower_y = - self._global_container_stack.getProperty("prime_tower_position_y", "value")
if not self._global_container_stack.getProperty("machine_center_is_zero", "value"):
prime_tower_x = prime_tower_x - machine_width / 2 #Offset by half machine_width and _depth to put the origin in the front-left.
prime_tower_y = prime_tower_y + machine_depth / 2
if adhesion_extruder is not None and self._global_container_stack.getProperty("prime_tower_brim_enable", "value") and self._global_container_stack.getProperty("adhesion_type", "value") != "raft":
brim_size = (
adhesion_extruder.getProperty("brim_line_count", "value") *
adhesion_extruder.getProperty("skirt_brim_line_width", "value") / 100.0 *
adhesion_extruder.getProperty("initial_layer_line_width_factor", "value")
)
prime_tower_x -= brim_size
prime_tower_y += brim_size
radius = prime_tower_size / 2
prime_tower_area = Polygon.approximatedCircle(radius)
prime_tower_area = prime_tower_area.translate(prime_tower_x - radius, prime_tower_y - radius)
prime_tower_area = prime_tower_area.getMinkowskiHull(Polygon.approximatedCircle(0))
for extruder in used_extruders:
result[extruder.getId()].append(prime_tower_area) #The prime tower location is the same for each extruder, regardless of offset.
return result
## Computes the disallowed areas for the prime blobs.
#
# These are special because they are not subject to things like brim or
# travel avoidance. They do get a dilute with the border size though
# because they may not intersect with brims and such of other objects.
#
# \param border_size The size with which to offset the disallowed areas
# due to skirt, brim, travel avoid distance, etc.
# \param used_extruders The extruder stacks to generate disallowed areas
# for.
# \return A dictionary with for each used extruder ID the prime areas.
def _computeDisallowedAreasPrimeBlob(self, border_size: float, used_extruders: List["ExtruderStack"]) -> Dict[str, List[Polygon]]:
result = {} # type: Dict[str, List[Polygon]]
if not self._global_container_stack:
return result
machine_width = self._global_container_stack.getProperty("machine_width", "value")
machine_depth = self._global_container_stack.getProperty("machine_depth", "value")
for extruder in used_extruders:
prime_blob_enabled = extruder.getProperty("prime_blob_enable", "value")
prime_x = extruder.getProperty("extruder_prime_pos_x", "value")
prime_y = -extruder.getProperty("extruder_prime_pos_y", "value")
# Ignore extruder prime position if it is not set or if blob is disabled
if (prime_x == 0 and prime_y == 0) or not prime_blob_enabled:
result[extruder.getId()] = []
continue
if not self._global_container_stack.getProperty("machine_center_is_zero", "value"):
prime_x = prime_x - machine_width / 2 # Offset by half machine_width and _depth to put the origin in the front-left.
prime_y = prime_y + machine_depth / 2
prime_polygon = Polygon.approximatedCircle(PRIME_CLEARANCE)
prime_polygon = prime_polygon.getMinkowskiHull(Polygon.approximatedCircle(border_size))
prime_polygon = prime_polygon.translate(prime_x, prime_y)
result[extruder.getId()] = [prime_polygon]
return result
## Computes the disallowed areas that are statically placed in the machine.
#
# It computes different disallowed areas depending on the offset of the
# extruder. The resulting dictionary will therefore have an entry for each
# extruder that is used.
#
# \param border_size The size with which to offset the disallowed areas
# due to skirt, brim, travel avoid distance, etc.
# \param used_extruders The extruder stacks to generate disallowed areas
# for.
# \return A dictionary with for each used extruder ID the disallowed areas
# where that extruder may not print.
def _computeDisallowedAreasStatic(self, border_size:float, used_extruders: List["ExtruderStack"]) -> Dict[str, List[Polygon]]:
# Convert disallowed areas to polygons and dilate them.
machine_disallowed_polygons = []
if self._global_container_stack is None:
return {}
for area in self._global_container_stack.getProperty("machine_disallowed_areas", "value"):
polygon = Polygon(numpy.array(area, numpy.float32))
polygon = polygon.getMinkowskiHull(Polygon.approximatedCircle(border_size))
machine_disallowed_polygons.append(polygon)
# For certain machines we don't need to compute disallowed areas for each nozzle.
# So we check here and only do the nozzle offsetting if needed.
nozzle_offsetting_for_disallowed_areas = self._global_container_stack.getMetaDataEntry(
"nozzle_offsetting_for_disallowed_areas", True)
result = {} # type: Dict[str, List[Polygon]]
for extruder in used_extruders:
extruder_id = extruder.getId()
offset_x = extruder.getProperty("machine_nozzle_offset_x", "value")
if offset_x is None:
offset_x = 0
offset_y = extruder.getProperty("machine_nozzle_offset_y", "value")
if offset_y is None:
offset_y = 0
offset_y = -offset_y # Y direction of g-code is the inverse of Y direction of Cura's scene space.
result[extruder_id] = []
for polygon in machine_disallowed_polygons:
result[extruder_id].append(polygon.translate(offset_x, offset_y)) # Compensate for the nozzle offset of this extruder.
# Add the border around the edge of the build volume.
left_unreachable_border = 0
right_unreachable_border = 0
top_unreachable_border = 0
bottom_unreachable_border = 0
# Only do nozzle offsetting if needed
if nozzle_offsetting_for_disallowed_areas:
# The build volume is defined as the union of the area that all extruders can reach, so we need to know
# the relative offset to all extruders.
for other_extruder in ExtruderManager.getInstance().getActiveExtruderStacks():
other_offset_x = other_extruder.getProperty("machine_nozzle_offset_x", "value")
if other_offset_x is None:
other_offset_x = 0
other_offset_y = other_extruder.getProperty("machine_nozzle_offset_y", "value")
if other_offset_y is None:
other_offset_y = 0
other_offset_y = -other_offset_y
left_unreachable_border = min(left_unreachable_border, other_offset_x - offset_x)
right_unreachable_border = max(right_unreachable_border, other_offset_x - offset_x)
top_unreachable_border = min(top_unreachable_border, other_offset_y - offset_y)
bottom_unreachable_border = max(bottom_unreachable_border, other_offset_y - offset_y)
half_machine_width = self._global_container_stack.getProperty("machine_width", "value") / 2
half_machine_depth = self._global_container_stack.getProperty("machine_depth", "value") / 2
if self._shape != "elliptic":
if border_size - left_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, -half_machine_depth],
[-half_machine_width, half_machine_depth],
[-half_machine_width + border_size - left_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border],
[-half_machine_width + border_size - left_unreachable_border, -half_machine_depth + border_size - top_unreachable_border]
], numpy.float32)))
if border_size + right_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[half_machine_width, half_machine_depth],
[half_machine_width, -half_machine_depth],
[half_machine_width - border_size - right_unreachable_border, -half_machine_depth + border_size - top_unreachable_border],
[half_machine_width - border_size - right_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border]
], numpy.float32)))
if border_size + bottom_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, half_machine_depth],
[half_machine_width, half_machine_depth],
[half_machine_width - border_size - right_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border],
[-half_machine_width + border_size - left_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border]
], numpy.float32)))
if border_size - top_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[half_machine_width, -half_machine_depth],
[-half_machine_width, -half_machine_depth],
[-half_machine_width + border_size - left_unreachable_border, -half_machine_depth + border_size - top_unreachable_border],
[half_machine_width - border_size - right_unreachable_border, -half_machine_depth + border_size - top_unreachable_border]
], numpy.float32)))
else:
sections = 32
arc_vertex = [0, half_machine_depth - border_size]
for i in range(0, sections):
quadrant = math.floor(4 * i / sections)
vertices = []
if quadrant == 0:
vertices.append([-half_machine_width, half_machine_depth])
elif quadrant == 1:
vertices.append([-half_machine_width, -half_machine_depth])
elif quadrant == 2:
vertices.append([half_machine_width, -half_machine_depth])
elif quadrant == 3:
vertices.append([half_machine_width, half_machine_depth])
vertices.append(arc_vertex)
angle = 2 * math.pi * (i + 1) / sections
arc_vertex = [-(half_machine_width - border_size) * math.sin(angle), (half_machine_depth - border_size) * math.cos(angle)]
vertices.append(arc_vertex)
result[extruder_id].append(Polygon(numpy.array(vertices, numpy.float32)))
if border_size > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, -half_machine_depth],
[-half_machine_width, half_machine_depth],
[-half_machine_width + border_size, 0]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, half_machine_depth],
[ half_machine_width, half_machine_depth],
[ 0, half_machine_depth - border_size]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[ half_machine_width, half_machine_depth],
[ half_machine_width, -half_machine_depth],
[ half_machine_width - border_size, 0]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[ half_machine_width, -half_machine_depth],
[-half_machine_width, -half_machine_depth],
[ 0, -half_machine_depth + border_size]
], numpy.float32)))
return result
## Private convenience function to get a setting from every extruder.
#
# For single extrusion machines, this gets the setting from the global
# stack.
#
# \return A sequence of setting values, one for each extruder.
def _getSettingFromAllExtruders(self, setting_key: str) -> List[Any]:
all_values = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, "value")
all_types = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, "type")
for i, (setting_value, setting_type) in enumerate(zip(all_values, all_types)):
if not setting_value and setting_type in ["int", "float"]:
all_values[i] = 0
return all_values
def _calculateBedAdhesionSize(self, used_extruders):
if self._global_container_stack is None:
return None
container_stack = self._global_container_stack
adhesion_type = container_stack.getProperty("adhesion_type", "value")
skirt_brim_line_width = self._global_container_stack.getProperty("skirt_brim_line_width", "value")
initial_layer_line_width_factor = self._global_container_stack.getProperty("initial_layer_line_width_factor", "value")
# Use brim width if brim is enabled OR the prime tower has a brim.
if adhesion_type == "brim" or (self._global_container_stack.getProperty("prime_tower_brim_enable", "value") and adhesion_type != "raft"):
brim_line_count = self._global_container_stack.getProperty("brim_line_count", "value")
bed_adhesion_size = skirt_brim_line_width * brim_line_count * initial_layer_line_width_factor / 100.0
for extruder_stack in used_extruders:
bed_adhesion_size += extruder_stack.getProperty("skirt_brim_line_width", "value") * extruder_stack.getProperty("initial_layer_line_width_factor", "value") / 100.0
# We don't create an additional line for the extruder we're printing the brim with.
bed_adhesion_size -= skirt_brim_line_width * initial_layer_line_width_factor / 100.0
elif adhesion_type == "skirt": # No brim? Also not on prime tower? Then use whatever the adhesion type is saying: Skirt, raft or none.
skirt_distance = self._global_container_stack.getProperty("skirt_gap", "value")
skirt_line_count = self._global_container_stack.getProperty("skirt_line_count", "value")
bed_adhesion_size = skirt_distance + (
skirt_brim_line_width * skirt_line_count) * initial_layer_line_width_factor / 100.0
for extruder_stack in used_extruders:
bed_adhesion_size += extruder_stack.getProperty("skirt_brim_line_width", "value") * extruder_stack.getProperty("initial_layer_line_width_factor", "value") / 100.0
# We don't create an additional line for the extruder we're printing the skirt with.
bed_adhesion_size -= skirt_brim_line_width * initial_layer_line_width_factor / 100.0
elif adhesion_type == "raft":
bed_adhesion_size = self._global_container_stack.getProperty("raft_margin", "value")
elif adhesion_type == "none":
bed_adhesion_size = 0
else:
raise Exception("Unknown bed adhesion type. Did you forget to update the build volume calculations for your new bed adhesion type?")
max_length_available = 0.5 * min(
self._global_container_stack.getProperty("machine_width", "value"),
self._global_container_stack.getProperty("machine_depth", "value")
)
bed_adhesion_size = min(bed_adhesion_size, max_length_available)
return bed_adhesion_size
def _calculateFarthestShieldDistance(self, container_stack):
farthest_shield_distance = 0
if container_stack.getProperty("draft_shield_enabled", "value"):
farthest_shield_distance = max(farthest_shield_distance, container_stack.getProperty("draft_shield_dist", "value"))
if container_stack.getProperty("ooze_shield_enabled", "value"):
farthest_shield_distance = max(farthest_shield_distance,container_stack.getProperty("ooze_shield_dist", "value"))
return farthest_shield_distance
def _calculateSupportExpansion(self, container_stack):
support_expansion = 0
support_enabled = self._global_container_stack.getProperty("support_enable", "value")
support_offset = self._global_container_stack.getProperty("support_offset", "value")
if support_enabled and support_offset:
support_expansion += support_offset
return support_expansion
def _calculateMoveFromWallRadius(self, used_extruders):
move_from_wall_radius = 0 # Moves that start from outer wall.
all_values = [move_from_wall_radius]
all_values.extend(self._getSettingFromAllExtruders("infill_wipe_dist"))
move_from_wall_radius = max(all_values)
avoid_enabled_per_extruder = [stack.getProperty("travel_avoid_other_parts", "value") for stack in used_extruders]
travel_avoid_distance_per_extruder = [stack.getProperty("travel_avoid_distance", "value") for stack in used_extruders]
for avoid_other_parts_enabled, avoid_distance in zip(avoid_enabled_per_extruder, travel_avoid_distance_per_extruder): # For each extruder (or just global).
if avoid_other_parts_enabled:
move_from_wall_radius = max(move_from_wall_radius, avoid_distance)
return move_from_wall_radius
## Calculate the disallowed radius around the edge.
#
# This disallowed radius is to allow for space around the models that is
# not part of the collision radius, such as bed adhesion (skirt/brim/raft)
# and travel avoid distance.
def getEdgeDisallowedSize(self):
if not self._global_container_stack or not self._global_container_stack.extruderList:
return 0
container_stack = self._global_container_stack
used_extruders = ExtruderManager.getInstance().getUsedExtruderStacks()
# If we are printing one at a time, we need to add the bed adhesion size to the disallowed areas of the objects
if container_stack.getProperty("print_sequence", "value") == "one_at_a_time":
return 0.1
bed_adhesion_size = self._calculateBedAdhesionSize(used_extruders)
support_expansion = self._calculateSupportExpansion(self._global_container_stack)
farthest_shield_distance = self._calculateFarthestShieldDistance(self._global_container_stack)
move_from_wall_radius = self._calculateMoveFromWallRadius(used_extruders)
# Now combine our different pieces of data to get the final border size.
# Support expansion is added to the bed adhesion, since the bed adhesion goes around support.
# Support expansion is added to farthest shield distance, since the shields go around support.
border_size = max(move_from_wall_radius, support_expansion + farthest_shield_distance, support_expansion + bed_adhesion_size)
return border_size
def _clamp(self, value, min_value, max_value):
return max(min(value, max_value), min_value)
_machine_settings = ["machine_width", "machine_depth", "machine_height", "machine_shape", "machine_center_is_zero"]
_skirt_settings = ["adhesion_type", "skirt_gap", "skirt_line_count", "skirt_brim_line_width", "brim_width", "brim_line_count", "raft_margin", "draft_shield_enabled", "draft_shield_dist", "initial_layer_line_width_factor"]
_raft_settings = ["adhesion_type", "raft_base_thickness", "raft_interface_thickness", "raft_surface_layers", "raft_surface_thickness", "raft_airgap", "layer_0_z_overlap"]
_extra_z_settings = ["retraction_hop_enabled", "retraction_hop"]
_prime_settings = ["extruder_prime_pos_x", "extruder_prime_pos_y", "extruder_prime_pos_z", "prime_blob_enable"]
_tower_settings = ["prime_tower_enable", "prime_tower_size", "prime_tower_position_x", "prime_tower_position_y", "prime_tower_brim_enable"]
_ooze_shield_settings = ["ooze_shield_enabled", "ooze_shield_dist"]
_distance_settings = ["infill_wipe_dist", "travel_avoid_distance", "support_offset", "support_enable", "travel_avoid_other_parts", "travel_avoid_supports"]
_extruder_settings = ["support_enable", "support_bottom_enable", "support_roof_enable", "support_infill_extruder_nr", "support_extruder_nr_layer_0", "support_bottom_extruder_nr", "support_roof_extruder_nr", "brim_line_count", "adhesion_extruder_nr", "adhesion_type"] #Settings that can affect which extruders are used.
_limit_to_extruder_settings = ["wall_extruder_nr", "wall_0_extruder_nr", "wall_x_extruder_nr", "top_bottom_extruder_nr", "infill_extruder_nr", "support_infill_extruder_nr", "support_extruder_nr_layer_0", "support_bottom_extruder_nr", "support_roof_extruder_nr", "adhesion_extruder_nr"]
_disallowed_area_settings = _skirt_settings + _prime_settings + _tower_settings + _ooze_shield_settings + _distance_settings + _extruder_settings
|