MrDraw/SkeinPyPy_NewUI/fabmetheus_utilities/geometry/manipulation_meta/disjoin.py
Daid a414a80837 Adding SkeinPyPy_NewUI as development for a brand new user interface.
Experimental, doesn't slice yet, loads of work ahead.
2012-02-20 00:30:49 +01:00

114 lines
5.1 KiB
Python

"""
Boolean geometry disjoin.
"""
from __future__ import absolute_import
#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.
import __init__
from fabmetheus_utilities.geometry.geometry_tools import path
from fabmetheus_utilities.geometry.geometry_utilities.evaluate_elements import setting
from fabmetheus_utilities.geometry.geometry_utilities import boolean_geometry
from fabmetheus_utilities.geometry.geometry_utilities import evaluate
from fabmetheus_utilities.geometry.geometry_utilities import matrix
from fabmetheus_utilities.geometry.solids import difference
from fabmetheus_utilities.geometry.solids import triangle_mesh
from fabmetheus_utilities import euclidean
from fabmetheus_utilities import xml_simple_reader
from fabmetheus_utilities.vector3 import Vector3
__author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
__credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
__date__ = '$Date: 2008/02/05 $'
__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
def getLinkedElementNode(idSuffix, parentNode, target):
'Get elementNode with identifiers and parentNode.'
linkedElementNode = xml_simple_reader.ElementNode()
euclidean.overwriteDictionary(target.attributes, ['id', 'name', 'quantity'], linkedElementNode.attributes)
linkedElementNode.addSuffixToID(idSuffix)
tagKeys = target.getTagKeys()
tagKeys.append('disjoin')
tagKeys.sort()
tags = ', '.join(tagKeys)
linkedElementNode.attributes['tags'] = tags
linkedElementNode.setParentAddToChildNodes(parentNode)
linkedElementNode.addToIdentifierDictionaries()
return linkedElementNode
def getNewDerivation(elementNode):
'Get new derivation.'
return DisjoinDerivation(elementNode)
def processElementNode(elementNode):
'Process the xml element.'
processElementNodeByDerivation(None, elementNode)
def processElementNodeByDerivation(derivation, elementNode):
'Process the xml element by derivation.'
if derivation == None:
derivation = DisjoinDerivation(elementNode)
targetElementNode = derivation.targetElementNode
if targetElementNode == None:
print('Warning, disjoin could not get target for:')
print(elementNode)
return
xmlObject = targetElementNode.xmlObject
if xmlObject == None:
print('Warning, processElementNodeByDerivation in disjoin could not get xmlObject for:')
print(targetElementNode)
print(derivation.elementNode)
return
matrix.getBranchMatrixSetElementNode(targetElementNode)
transformedVertexes = xmlObject.getTransformedVertexes()
if len(transformedVertexes) < 1:
print('Warning, transformedVertexes is zero in processElementNodeByDerivation in disjoin for:')
print(xmlObject)
print(targetElementNode)
print(derivation.elementNode)
return
elementNode.localName = 'group'
elementNode.getXMLProcessor().processElementNode(elementNode)
targetChainMatrix = matrix.Matrix(xmlObject.getMatrixChainTetragrid())
minimumZ = boolean_geometry.getMinimumZ(xmlObject)
z = minimumZ + 0.5 * derivation.sheetThickness
zoneArrangement = triangle_mesh.ZoneArrangement(derivation.layerHeight, transformedVertexes)
oldVisibleString = targetElementNode.attributes['visible']
targetElementNode.attributes['visible'] = True
loops = boolean_geometry.getEmptyZLoops([xmlObject], derivation.importRadius, False, z, zoneArrangement)
targetElementNode.attributes['visible'] = oldVisibleString
vector3Loops = euclidean.getVector3Paths(loops, z)
pathElement = getLinkedElementNode('_sheet', elementNode, targetElementNode)
path.convertElementNode(pathElement, vector3Loops)
targetOutput = xmlObject.getGeometryOutput()
differenceElement = getLinkedElementNode('_solid', elementNode, targetElementNode)
targetElementCopy = targetElementNode.getCopy('_positive', differenceElement)
targetElementCopy.attributes['visible'] = True
targetElementCopy.attributes.update(targetChainMatrix.getAttributes('matrix.'))
complexMaximum = euclidean.getMaximumByVector3Path(transformedVertexes).dropAxis()
complexMinimum = euclidean.getMinimumByVector3Path(transformedVertexes).dropAxis()
centerComplex = 0.5 * (complexMaximum + complexMinimum)
centerVector3 = Vector3(centerComplex.real, centerComplex.imag, minimumZ)
slightlyMoreThanHalfExtent = 0.501 * (complexMaximum - complexMinimum)
inradius = Vector3(slightlyMoreThanHalfExtent.real, slightlyMoreThanHalfExtent.imag, derivation.sheetThickness)
cubeElement = xml_simple_reader.ElementNode()
cubeElement.attributes['inradius'] = str(inradius)
if not centerVector3.getIsDefault():
cubeElement.attributes['translate.'] = str(centerVector3)
cubeElement.localName = 'cube'
cubeElement.setParentAddToChildNodes(differenceElement)
difference.processElementNode(differenceElement)
class DisjoinDerivation:
"Class to hold disjoin variables."
def __init__(self, elementNode):
'Set defaults.'
self.elementNode = elementNode
self.importRadius = setting.getImportRadius(elementNode)
self.layerHeight = setting.getLayerHeight(elementNode)
self.sheetThickness = setting.getSheetThickness(elementNode)
self.targetElementNode = evaluate.getElementNodeByKey(elementNode, 'target')