Do boundary checks on nodes for which the boundary check is unknown

Just before deciding whether to drop down the node on the build plate.

Contributes to issue CURA-4797.
This commit is contained in:
Ghostkeeper 2018-01-23 11:21:32 +01:00
parent cf556ccf8f
commit 27e441ecd9
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GPG key ID: 5252B696FB5E7C7A
2 changed files with 48 additions and 47 deletions

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@ -1,8 +1,7 @@
# Copyright (c) 2017 Ultimaker B.V.
# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from cura.Settings.ExtruderManager import ExtruderManager
from UM.Settings.ContainerRegistry import ContainerRegistry
from UM.i18n import i18nCatalog
from UM.Scene.Platform import Platform
from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
@ -194,52 +193,51 @@ class BuildVolume(SceneNode):
return True
## For every sliceable node, update node._outside_buildarea
## For every sliceable node, update node._outside_buildarea.
def updateAllBoundaryChecks(self):
self.updateNodeBoundaryCheck(Application.getInstance().getController().getScene().getRoot())
## For a single node, update _outside_buildarea.
#
def updateNodeBoundaryCheck(self):
root = Application.getInstance().getController().getScene().getRoot()
nodes = list(BreadthFirstIterator(root))
group_nodes = []
# If the node is a group node, the child nodes will also get updated.
# \param node The node to update the boundary checks of.
def updateNodeBoundaryCheck(self, node: SceneNode):
if not node.callDecoration("isSliceable") and not node.callDecoration("isGroup"):
for child in node.getChildren(): #Still update the children! For instance, the root is not sliceable.
self.updateNodeBoundaryCheck(child)
return #Don't compute for non-sliceable nodes.
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.
#Mark the node as outside the build volume if the bounding box test fails.
build_volume = self.getBoundingBox()
if build_volume is None:
#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
build_volume = build_volume.set(bottom = -999999) #Allow models to clip the build plate. This should allow printing but remove the bottom side of the model underneath the build plate.
bounding_box = node.getBoundingBox()
if build_volume.intersectsBox(bounding_box) != AxisAlignedBox.IntersectionResult.FullIntersection:
node._outside_buildarea = True
else:
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"):
node._outside_buildarea = False
bbox = node.getBoundingBox()
# Mark the node as outside the build volume if the bounding box test fails.
if build_volume_bounding_box.intersectsBox(bbox) != AxisAlignedBox.IntersectionResult.FullIntersection:
#Check for collisions between disallowed areas and the object.
convex_hull = node.callDecoration("getConvexHull")
if not convex_hull or not convex_hull.isValid():
return
for area in self.getDisallowedAreas():
overlap = convex_hull.intersectsPolygon(area)
if overlap is not None:
node._outside_buildarea = True
continue
break
else:
node._outside_buildarea = False
convex_hull = node.callDecoration("getConvexHull")
if convex_hull:
if not convex_hull.isValid():
return
# Check for collisions between disallowed areas and the object
for area in self.getDisallowedAreas():
overlap = convex_hull.intersectsPolygon(area)
if overlap is None:
continue
node._outside_buildarea = True
continue
# Group nodes should override the _outside_buildarea property of their children.
for group_node in group_nodes:
for child_node in group_node.getAllChildren():
child_node._outside_buildarea = group_node._outside_buildarea
#Group nodes should override the _outside_buildarea property of their children.
if node.callDecoration("isGroup"):
for child in node.getAllChildren():
child._outside_buildarea = node._outside_buildarea
else:
for child in node.getChildren():
self.updateNodeBoundaryCheck(child)
## Recalculates the build volume & disallowed areas.
def rebuild(self):
@ -424,7 +422,7 @@ class BuildVolume(SceneNode):
Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds
self.updateNodeBoundaryCheck()
self.updateAllBoundaryChecks()
def getBoundingBox(self) -> AxisAlignedBox:
return self._volume_aabb