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Fixed up the 3MF reader to use the changed MeshBuilder and MeshData.

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CURA-1633 OverflowError: cannot convert float infinity to integer (loading larger models)
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Simon Edwards 2016-06-28 11:41:01 +02:00
parent 1543e4a6e0
commit 47de254f97
2 changed files with 42 additions and 44 deletions
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2
cura/ConvexHullDecorator.py
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@ -144,6 +144,8 @@ class ConvexHullDecorator(SceneNodeDecorator):
else:
rounded_hull = None
mesh = None
world_transform = None
if self._node.getMeshData():
mesh = self._node.getMeshData()
world_transform = self._node.getWorldTransformation()

32
plugins/3MFReader/ThreeMFReader.py
View file

@ -2,7 +2,7 @@
# Cura is released under the terms of the AGPLv3 or higher.
from UM.Mesh.MeshReader import MeshReader
from UM.Mesh.MeshData import MeshData
from UM.Mesh.MeshBuilder import MeshBuilder
from UM.Logger import Logger
from UM.Math.Matrix import Matrix
from UM.Math.Vector import Vector
@ -42,7 +42,7 @@ class ThreeMFReader(MeshReader):
return None
for entry in objects:
mesh = MeshData()
mesh_builder = MeshBuilder()
node = SceneNode()
vertex_list = []
#for vertex in entry.mesh.vertices.vertex:
@ -51,32 +51,33 @@ class ThreeMFReader(MeshReader):
Job.yieldThread()
triangles = entry.findall(".//3mf:triangle", self._namespaces)
mesh.reserveFaceCount(len(triangles))
mesh_builder.reserveFaceCount(len(triangles))
#for triangle in object.mesh.triangles.triangle:
for triangle in triangles:
v1 = int(triangle.get("v1"))
v2 = int(triangle.get("v2"))
v3 = int(triangle.get("v3"))
mesh.addFace(vertex_list[v1][0],vertex_list[v1][1],vertex_list[v1][2],vertex_list[v2][0],vertex_list[v2][1],vertex_list[v2][2],vertex_list[v3][0],vertex_list[v3][1],vertex_list[v3][2])
mesh_builder.addFaceByPoints(vertex_list[v1][0], vertex_list[v1][1], vertex_list[v1][2],
vertex_list[v2][0], vertex_list[v2][1], vertex_list[v2][2],
vertex_list[v3][0], vertex_list[v3][1], vertex_list[v3][2])
Job.yieldThread()
# Rotate the model; We use a different coordinate frame.
rotation = Matrix()
rotation.setByRotationAxis(-0.5 * math.pi, Vector(1,0,0))
mesh = mesh.getTransformed(rotation)
#TODO: We currently do not check for normals and simply recalculate them.
mesh.calculateNormals()
node.setMeshData(mesh)
mesh_builder.calculateNormals()
node.setMeshData(mesh_builder.build().getTransformed(rotation))
node.setSelectable(True)
transformation = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(entry.get("id")), self._namespaces)
if transformation:
transformation = transformation[0]
try:
if transformation.get("transform"):
transformations = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(entry.get("id")), self._namespaces)
transformation = transformations[0] if transformations else None
if transformation is not None and transformation.get("transform"):
splitted_transformation = transformation.get("transform").split()
## Transformation is saved as:
## M00 M01 M02 0.0
@ -102,20 +103,15 @@ class ThreeMFReader(MeshReader):
temp_mat._data[2,3] = splitted_transformation[11]
node.setTransformation(temp_mat)
except AttributeError:
pass # Empty list was found. Getting transformation is not possible
result.addChild(node)
Job.yieldThread()
#If there is more then one object, group them.
try:
if len(objects) > 1:
group_decorator = GroupDecorator()
result.addDecorator(group_decorator)
except:
pass
except Exception as e:
Logger.log("e" ,"exception occured in 3mf reader: %s" , e)