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Support for explicit length unit override in X3D header

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This commit is contained in:
Seva Alekseyev 2016-08-08 14:11:30 -04:00 committed by Ghostkeeper
parent e4049296d9
commit 87bff34eb6
1 changed files with 24 additions and 4 deletions
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28
plugins/X3DReader/X3DReader.py
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@ -32,11 +32,31 @@ class X3DReader(MeshReader):
try:
self.sceneNodes = []
self.fileName = file_name
self.transform = Matrix()
self.transform.setByScaleVector(Vector(1000, 1000, 1000))
tree = ET.parse(file_name)
self.processNode(tree.getroot())
root = tree.getroot()
if root.tag != "X3D":
return None
scale = 1000 # Default X3D unit it one meter, while Cura's is one mm
if root[0].tag == "head":
for headNode in root[0]:
if headNode.tag == "unit" and headNode.attrib.get("category") == "length":
scale *= float.parse(headNode.attrib["conversionFactor"])
break
scene = root[1]
else:
scene = root[0]
if scene.tag != "Scene":
return None
self.transform = Matrix()
self.transform.setByScaleVector(Vector(scale, scale, scale))
# This will populate the sceneNodes array
self.processChildNodes(scene)
if len(self.sceneNodes) > 1:
theScene = SceneNode()
@ -68,7 +88,7 @@ class X3DReader(MeshReader):
return
tag = xmlNode.tag
if tag in ("X3D", "Scene", "Group", "StaticGroup", "CADAssembly", "CADFace", "CADLayer", "CADPart", "Collision"):
if tag in ("Group", "StaticGroup", "CADAssembly", "CADFace", "CADLayer", "CADPart", "Collision"):
self.processChildNodes(xmlNode)
elif tag == "LOD":
self.processNode(xmlNode[0])