95 lines
3.9 KiB
Python
95 lines
3.9 KiB
Python
"""
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Boolean geometry carve.
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"""
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from __future__ import absolute_import
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#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.
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import __init__
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from fabmetheus_utilities.geometry.geometry_tools import path
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from fabmetheus_utilities.geometry.geometry_utilities.evaluate_elements import setting
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from fabmetheus_utilities.geometry.geometry_utilities import boolean_geometry
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from fabmetheus_utilities.geometry.geometry_utilities import evaluate
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from fabmetheus_utilities.geometry.geometry_utilities import matrix
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from fabmetheus_utilities.geometry.solids import triangle_mesh
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from fabmetheus_utilities import euclidean
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from fabmetheus_utilities import xml_simple_reader
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__author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
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__credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
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__date__ = '$Date: 2008/02/05 $'
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__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
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def getLinkedElementNode(idSuffix, parentNode, target):
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'Get elementNode with identifiers and parentNode.'
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linkedElementNode = xml_simple_reader.ElementNode()
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euclidean.overwriteDictionary(target.attributes, ['id', 'name', 'quantity'], linkedElementNode.attributes)
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linkedElementNode.addSuffixToID(idSuffix)
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tagKeys = target.getTagKeys()
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tagKeys.append('carve')
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tagKeys.sort()
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tags = ', '.join(tagKeys)
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linkedElementNode.attributes['tags'] = tags
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linkedElementNode.setParentAddToChildNodes(parentNode)
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linkedElementNode.addToIdentifierDictionaries()
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return linkedElementNode
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def getNewDerivation(elementNode):
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'Get new derivation.'
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return CarveDerivation(elementNode)
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def processElementNode(elementNode):
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'Process the xml element.'
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processElementNodeByDerivation(None, elementNode)
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def processElementNodeByDerivation(derivation, elementNode):
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'Process the xml element by derivation.'
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if derivation == None:
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derivation = CarveDerivation(elementNode)
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targetElementNode = derivation.targetElementNode
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if targetElementNode == None:
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print('Warning, carve could not get target for:')
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print(elementNode)
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return
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xmlObject = targetElementNode.xmlObject
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if xmlObject == None:
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print('Warning, processElementNodeByDerivation in carve could not get xmlObject for:')
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print(targetElementNode)
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print(derivation.elementNode)
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return
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matrix.getBranchMatrixSetElementNode(targetElementNode)
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transformedVertexes = xmlObject.getTransformedVertexes()
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if len(transformedVertexes) < 1:
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print('Warning, transformedVertexes is zero in processElementNodeByDerivation in carve for:')
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print(xmlObject)
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print(targetElementNode)
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print(derivation.elementNode)
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return
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elementNode.localName = 'group'
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elementNode.getXMLProcessor().processElementNode(elementNode)
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minimumZ = boolean_geometry.getMinimumZ(xmlObject)
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maximumZ = euclidean.getTopPath(transformedVertexes)
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zoneArrangement = triangle_mesh.ZoneArrangement(derivation.layerHeight, transformedVertexes)
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oldVisibleString = targetElementNode.attributes['visible']
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targetElementNode.attributes['visible'] = True
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z = minimumZ + 0.5 * derivation.layerHeight
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loopLayers = boolean_geometry.getLoopLayers([xmlObject], derivation.importRadius, derivation.layerHeight, maximumZ, False, z, zoneArrangement)
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targetElementNode.attributes['visible'] = oldVisibleString
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for loopLayerIndex, loopLayer in enumerate(loopLayers):
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if len(loopLayer.loops) > 0:
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pathElement = getLinkedElementNode('_carve_%s' % loopLayerIndex, elementNode, targetElementNode)
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vector3Loops = euclidean.getVector3Paths(loopLayer.loops, loopLayer.z)
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path.convertElementNode(pathElement, vector3Loops)
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class CarveDerivation:
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"Class to hold carve variables."
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def __init__(self, elementNode):
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'Set defaults.'
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self.elementNode = elementNode
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self.importRadius = setting.getImportRadius(elementNode)
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self.layerHeight = setting.getLayerHeight(elementNode)
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self.targetElementNode = evaluate.getElementNodeByKey(elementNode, 'target')
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