MrDraw/SkeinPyPy/fabmetheus_utilities/geometry/manipulation_matrix/transform.py

67 lines
2.3 KiB
Python

"""
Boolean geometry transform.
"""
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.creation import solid
from fabmetheus_utilities.geometry.geometry_utilities import evaluate
from fabmetheus_utilities.geometry.geometry_utilities import matrix
from fabmetheus_utilities.vector3 import Vector3
from fabmetheus_utilities import euclidean
__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'
globalExecutionOrder = 320
def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
'Get equated geometryOutput.'
transformPoints(elementNode, matrix.getVertexes(geometryOutput), prefix)
return geometryOutput
def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
'Get equated paths.'
transformPoints(elementNode, loop, prefix)
return [loop]
def getNewDerivation(elementNode, prefix, sideLength):
'Get new derivation.'
return TransformDerivation(elementNode, prefix)
def manipulateElementNode(elementNode, target):
'Manipulate the xml element.'
derivation = TransformDerivation(elementNode, '')
if derivation.transformTetragrid == None:
print('Warning, transformTetragrid was None in transform so nothing will be done for:')
print(elementNode)
return
matrix.setAttributesToMultipliedTetragrid(target, derivation.transformTetragrid)
def processElementNode(elementNode):
'Process the xml element.'
solid.processElementNodeByFunction(elementNode, manipulateElementNode)
def transformPoints(elementNode, points, prefix):
'Transform the points.'
derivation = TransformDerivation(elementNode, prefix)
if derivation.transformTetragrid == None:
print('Warning, transformTetragrid was None in transform so nothing will be done for:')
print(elementNode)
return
matrix.transformVector3sByMatrix(derivation.transformTetragrid, points)
class TransformDerivation:
"Class to hold transform variables."
def __init__(self, elementNode, prefix):
'Set defaults.'
self.transformTetragrid = matrix.getTransformTetragrid(elementNode, prefix)