2 Boolean geometry carve.
6 from __future__ import absolute_import
7 #Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
10 from fabmetheus_utilities.geometry.geometry_tools import path
11 from fabmetheus_utilities.geometry.geometry_utilities.evaluate_elements import setting
12 from fabmetheus_utilities.geometry.geometry_utilities import boolean_geometry
13 from fabmetheus_utilities.geometry.geometry_utilities import evaluate
14 from fabmetheus_utilities.geometry.geometry_utilities import matrix
15 from fabmetheus_utilities.geometry.solids import triangle_mesh
16 from fabmetheus_utilities import euclidean
17 from fabmetheus_utilities import xml_simple_reader
20 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
21 __credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
22 __date__ = '$Date: 2008/02/05 $'
23 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
26 def getLinkedElementNode(idSuffix, parentNode, target):
27 'Get elementNode with identifiers and parentNode.'
28 linkedElementNode = xml_simple_reader.ElementNode()
29 euclidean.overwriteDictionary(target.attributes, ['id', 'name', 'quantity'], linkedElementNode.attributes)
30 linkedElementNode.addSuffixToID(idSuffix)
31 tagKeys = target.getTagKeys()
32 tagKeys.append('carve')
34 tags = ', '.join(tagKeys)
35 linkedElementNode.attributes['tags'] = tags
36 linkedElementNode.setParentAddToChildNodes(parentNode)
37 linkedElementNode.addToIdentifierDictionaries()
38 return linkedElementNode
40 def getNewDerivation(elementNode):
42 return CarveDerivation(elementNode)
44 def processElementNode(elementNode):
45 'Process the xml element.'
46 processElementNodeByDerivation(None, elementNode)
48 def processElementNodeByDerivation(derivation, elementNode):
49 'Process the xml element by derivation.'
50 if derivation == None:
51 derivation = CarveDerivation(elementNode)
52 targetElementNode = derivation.targetElementNode
53 if targetElementNode == None:
54 print('Warning, carve could not get target for:')
57 xmlObject = targetElementNode.xmlObject
59 print('Warning, processElementNodeByDerivation in carve could not get xmlObject for:')
60 print(targetElementNode)
61 print(derivation.elementNode)
63 matrix.getBranchMatrixSetElementNode(targetElementNode)
64 transformedVertexes = xmlObject.getTransformedVertexes()
65 if len(transformedVertexes) < 1:
66 print('Warning, transformedVertexes is zero in processElementNodeByDerivation in carve for:')
68 print(targetElementNode)
69 print(derivation.elementNode)
71 elementNode.localName = 'group'
72 elementNode.getXMLProcessor().processElementNode(elementNode)
73 minimumZ = boolean_geometry.getMinimumZ(xmlObject)
74 maximumZ = euclidean.getTopPath(transformedVertexes)
75 zoneArrangement = triangle_mesh.ZoneArrangement(derivation.layerHeight, transformedVertexes)
76 oldVisibleString = targetElementNode.attributes['visible']
77 targetElementNode.attributes['visible'] = True
78 z = minimumZ + 0.5 * derivation.layerHeight
79 loopLayers = boolean_geometry.getLoopLayers([xmlObject], derivation.importRadius, derivation.layerHeight, maximumZ, False, z, zoneArrangement)
80 targetElementNode.attributes['visible'] = oldVisibleString
81 for loopLayerIndex, loopLayer in enumerate(loopLayers):
82 if len(loopLayer.loops) > 0:
83 pathElement = getLinkedElementNode('_carve_%s' % loopLayerIndex, elementNode, targetElementNode)
84 vector3Loops = euclidean.getVector3Paths(loopLayer.loops, loopLayer.z)
85 path.convertElementNode(pathElement, vector3Loops)
88 class CarveDerivation:
89 "Class to hold carve variables."
90 def __init__(self, elementNode):
92 self.elementNode = elementNode
93 self.importRadius = setting.getImportRadius(elementNode)
94 self.layerHeight = setting.getLayerHeight(elementNode)
95 self.targetElementNode = evaluate.getElementNodeByKey(elementNode, 'target')