mirror of
https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
synced 2025-04-22 13:49:39 +08:00
115 lines
5.1 KiB
Python
115 lines
5.1 KiB
Python
# Copyright (c) 2019 Ultimaker B.V.
|
|
# Cura is released under the terms of the LGPLv3 or higher.
|
|
import numpy
|
|
from PyQt5.QtCore import QCoreApplication
|
|
|
|
from UM.Application import Application
|
|
from UM.Job import Job
|
|
from UM.Math.Matrix import Matrix
|
|
from UM.Math.Polygon import Polygon
|
|
from UM.Math.Quaternion import Quaternion
|
|
from UM.Operations.RotateOperation import RotateOperation
|
|
from UM.Scene.SceneNode import SceneNode
|
|
from UM.Math.Vector import Vector
|
|
from UM.Operations.TranslateOperation import TranslateOperation
|
|
from UM.Operations.GroupedOperation import GroupedOperation
|
|
from UM.Logger import Logger
|
|
from UM.Message import Message
|
|
from UM.i18n import i18nCatalog
|
|
i18n_catalog = i18nCatalog("cura")
|
|
|
|
from cura.Scene.ZOffsetDecorator import ZOffsetDecorator
|
|
from cura.Arranging.Arrange import Arrange
|
|
from cura.Arranging.ShapeArray import ShapeArray
|
|
|
|
from typing import List
|
|
from pynest2d import *
|
|
|
|
|
|
class ArrangeObjectsJob(Job):
|
|
def __init__(self, nodes: List[SceneNode], fixed_nodes: List[SceneNode], min_offset = 8) -> None:
|
|
super().__init__()
|
|
self._nodes = nodes
|
|
self._fixed_nodes = fixed_nodes
|
|
self._min_offset = min_offset
|
|
|
|
def run(self):
|
|
status_message = Message(i18n_catalog.i18nc("@info:status", "Finding new location for objects"),
|
|
lifetime = 0,
|
|
dismissable=False,
|
|
progress = 0,
|
|
title = i18n_catalog.i18nc("@info:title", "Finding Location"))
|
|
status_message.show()
|
|
global_container_stack = Application.getInstance().getGlobalContainerStack()
|
|
machine_width = global_container_stack.getProperty("machine_width", "value")
|
|
machine_depth = global_container_stack.getProperty("machine_depth", "value")
|
|
factor = 10000
|
|
build_plate_bounding_box = Box(machine_width * factor, machine_depth * factor)
|
|
|
|
# Add all the items we want to arrange
|
|
node_items = []
|
|
for node in self._nodes:
|
|
hull_polygon = node.callDecoration("getConvexHull")
|
|
converted_points = []
|
|
for point in hull_polygon.getPoints():
|
|
converted_points.append(Point(point[0] * factor, point[1] * factor))
|
|
item = Item(converted_points)
|
|
node_items.append(item)
|
|
|
|
# Use a tiny margin for the build_plate_polygon (the nesting doesn't like overlapping disallowed areas)
|
|
half_machine_width = 0.5 * machine_width - 1
|
|
half_machine_depth = 0.5 * machine_depth - 1
|
|
build_plate_polygon = Polygon(numpy.array([
|
|
[half_machine_width, -half_machine_depth],
|
|
[-half_machine_width, -half_machine_depth],
|
|
[-half_machine_width, half_machine_depth],
|
|
[half_machine_width, half_machine_depth]
|
|
], numpy.float32))
|
|
|
|
build_volume = Application.getInstance().getBuildVolume()
|
|
disallowed_areas = build_volume.getDisallowedAreas()
|
|
num_disallowed_areas_added = 0
|
|
for area in disallowed_areas:
|
|
converted_points = []
|
|
|
|
# Clip the disallowed areas so that they don't overlap the bounding box (The arranger chokes otherwise)
|
|
clipped_area = area.intersectionConvexHulls(build_plate_polygon)
|
|
|
|
for point in clipped_area.getPoints():
|
|
converted_points.append(Point(point[0] * factor, point[1] * factor))
|
|
|
|
disallowed_area = Item(converted_points)
|
|
disallowed_area.markAsFixedInBin(0)
|
|
node_items.append(disallowed_area)
|
|
num_disallowed_areas_added += 1
|
|
|
|
config = NfpConfig()
|
|
config.accuracy = 1.0
|
|
|
|
num_bins = nest(node_items, build_plate_bounding_box, 10000, config)
|
|
|
|
# Strip the disallowed areas from the results again
|
|
if num_disallowed_areas_added != 0:
|
|
node_items = node_items[:-num_disallowed_areas_added]
|
|
|
|
found_solution_for_all = num_bins == 1
|
|
not_fit_count = 0
|
|
grouped_operation = GroupedOperation()
|
|
for node, node_item in zip(self._nodes, node_items):
|
|
if node_item.binId() == 0:
|
|
# We found a spot for it
|
|
rotation_matrix = Matrix()
|
|
rotation_matrix.setByRotationAxis(node_item.rotation(),Vector(0, -1, 0))
|
|
grouped_operation.addOperation(RotateOperation(node, Quaternion.fromMatrix(rotation_matrix)))
|
|
grouped_operation.addOperation(TranslateOperation(node, Vector(node_item.translation().x() / factor, 0, node_item.translation().y() / factor)))
|
|
else:
|
|
# We didn't find a spot
|
|
grouped_operation.addOperation(TranslateOperation(node, Vector(200, 0, -not_fit_count * 20), set_position=True))
|
|
not_fit_count += 1
|
|
grouped_operation.push()
|
|
status_message.hide()
|
|
if not found_solution_for_all:
|
|
no_full_solution_message = Message(i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"),
|
|
title = i18n_catalog.i18nc("@info:title", "Can't Find Location"))
|
|
no_full_solution_message.show()
|
|
self.finished.emit(self) |