From: daid303 <daid303@gmail.com>
Date: Mon, 28 Jan 2013 12:46:12 +0000 (+0100)
Subject: Add basic AMF support to skeinforge.
X-Git-Tag: 13.03~70
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=5e18840ef328c18babe53dc38ee6baa4302a22f0;p=cura.git

Add basic AMF support to skeinforge.
---

diff --git a/Cura/slice/cura_sf/fabmetheus_utilities/fabmetheus_tools/interpret_plugins/amf.py b/Cura/slice/cura_sf/fabmetheus_utilities/fabmetheus_tools/interpret_plugins/amf.py
new file mode 100644
index 00000000..b5ddfc4a
--- /dev/null
+++ b/Cura/slice/cura_sf/fabmetheus_utilities/fabmetheus_tools/interpret_plugins/amf.py
@@ -0,0 +1,72 @@
+from __future__ import absolute_import
+
+import zipfile
+try:
+	from xml.etree import cElementTree as ElementTree
+except:
+	from xml.etree import ElementTree
+
+from fabmetheus_utilities.geometry.geometry_tools import face
+from fabmetheus_utilities.geometry.solids import triangle_mesh
+from fabmetheus_utilities.vector3 import Vector3
+
+def getCarving(fileName=''):
+	"Get the triangle mesh for the dae file."
+	return amfModel().load(fileName)
+
+class amfModel(triangle_mesh.TriangleMesh):
+	def __init__(self):
+		super(amfModel, self).__init__()
+
+	def load(self, filename):
+		try:
+			zfile = zipfile.ZipFile(filename)
+			xml = zfile.read(zfile.namelist()[0])
+			zfile.close()
+		except zipfile.BadZipfile:
+			f = open(filename, "r")
+			xml = f.read()
+			f.close()
+		amf = ElementTree.fromstring(xml)
+		if 'unit' in amf.attrib:
+			unit = amf.attrib['unit'].lower()
+		else:
+			unit = 'millimeter'
+		if unit == 'millimeter':
+			scale = 1.0
+		elif unit == 'meter':
+			scale = 1000.0
+		elif unit == 'inch':
+			scale = 25.4
+		elif unit == 'feet':
+			scale = 304.8
+		elif unit == 'micron':
+			scale = 0.001
+		else:
+			print "Unknown unit in amf: %s" % (unit)
+			scale = 1.0
+
+		for obj in amf.iter('object'):
+			for mesh in obj.iter('mesh'):
+				startIndex = len(self.vertexes)
+				for vertices in mesh.iter('vertices'):
+					for vertex in vertices.iter('vertex'):
+						for coordinates in vertex.iter('coordinates'):
+							v = [0.0,0.0,0.0]
+							for t in coordinates:
+								if t.tag == 'x':
+									v[0] = float(t.text)
+								elif t.tag == 'y':
+									v[1] = float(t.text)
+								elif t.tag == 'z':
+									v[2] = float(t.text)
+							self.vertexes.append(Vector3(v[0], v[1], v[2]))
+				for volume in mesh.iter('volume'):
+					for triangle in volume.iter('triangle'):
+						f = face.Face()
+						f.index = len(self.faces)
+						for t in triangle:
+							if t.tag == 'v1' or t.tag == 'v2' or t.tag == 'v3':
+								f.vertexIndexes.append(startIndex + int(t.text))
+						self.faces.append(f)
+		return self