GitHub-Proxy/Cura
1
0
Fork 0
mirror of https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura synced 2025-04-21 13:19:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fail loading the 3MF file if no meshes were found

Browse Source 
This way we indicate loading the 3MF file failed instead of indicating
success but not actually loading anything.

CURA-236
This commit is contained in:
Arjen Hiemstra 2015-10-13 18:42:01 +02:00
parent 3bbefd588b
commit 463fbae9aa
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
plugins/3MFReader/ThreeMFReader.py
View File

@ -42,6 +42,10 @@ class ThreeMFReader(MeshReader):
# There can be multiple objects, try to load all of them.
objects = root.findall("./3mf:resources/3mf:object", self._namespaces)
if len(objects) == 0:
Logger.log("w", "No objects found in 3MF file %s, either the file is corrupt or you are using an outdated format", file_name)
return None
for object in objects:
mesh = MeshData()
node = SceneNode()
@ -53,18 +57,18 @@ class ThreeMFReader(MeshReader):
triangles = object.findall(".//3mf:triangle", self._namespaces)
mesh.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])
#TODO: We currently do not check for normals and simply recalculate them.
#TODO: We currently do not check for normals and simply recalculate them.
mesh.calculateNormals()
node.setMeshData(mesh)
node.setSelectable(True)
transformation = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(object.get("id")), self._namespaces)
if transformation:
transformation = transformation[0]
@ -88,25 +92,25 @@ class ThreeMFReader(MeshReader):
temp_mat._data[0,2] = splitted_transformation[6]
temp_mat._data[1,2] = splitted_transformation[7]
temp_mat._data[2,2] = splitted_transformation[8]
# Translation
temp_mat._data[0,3] = splitted_transformation[9]
temp_mat._data[1,3] = splitted_transformation[10]
temp_mat._data[2,3] = splitted_transformation[11]
node.setPosition(Vector(temp_mat.at(0,3), temp_mat.at(1,3), temp_mat.at(2,3)))
temp_quaternion = Quaternion()
temp_quaternion.setByMatrix(temp_mat)
node.setOrientation(temp_quaternion)
# Magical scale extraction
S2 = temp_mat.getTransposed().multiply(temp_mat)
scale_x = math.sqrt(S2.at(0,0))
scale_y = math.sqrt(S2.at(1,1))
scale_z = math.sqrt(S2.at(2,2))
node.setScale(Vector(scale_x,scale_y,scale_z))
# We use a different coordinate frame, so rotate.
rotation = Quaternion.fromAngleAxis(-0.5 * math.pi, Vector(1,0,0))
node.rotate(rotation)