Cura/ProcessSlicedObjectListJob.py

38 lines
1.5 KiB
Python

from UM.Job import Job
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.SceneNode import SceneNode
from UM.Application import Application
from UM.Mesh.MeshData import MeshData
from . import LayerData
import numpy
import struct
class ProcessSlicedObjectListJob(Job):
def __init__(self, message):
super().__init__(description = 'Processing sliced object')
self._message = message
self._scene = Application.getInstance().getController().getScene()
def run(self):
objectIdMap = {}
for node in DepthFirstIterator(self._scene.getRoot()):
if type(node) is SceneNode and node.getMeshData():
objectIdMap[id(node)] = node
for object in self._message.objects:
mesh = objectIdMap[object.id].getMeshData()
layerData = LayerData.LayerData()
for layer in object.layers:
for polygon in layer.polygons:
points = numpy.fromstring(polygon.points, dtype='i8') # Convert bytearray to numpy array
points = points.reshape((-1,2)) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
points = numpy.asarray(points, dtype=numpy.float32)
points /= 1000
points = numpy.insert(points, 1, layer.id / 10, axis = 1)
layerData.addPolygon(layer.id, polygon.type, points)
mesh.layerData = layerData