85 lines
3.7 KiB
Python
85 lines
3.7 KiB
Python
"""
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Create inset.
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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.creation import lineation
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from fabmetheus_utilities.geometry.creation import solid
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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_solid
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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.vector3index import Vector3Index
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from fabmetheus_utilities import euclidean
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from fabmetheus_utilities import intercircle
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import math
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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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globalExecutionOrder = 80
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def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
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'Get inset geometryOutput.'
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derivation = InsetDerivation(elementNode, prefix)
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if derivation.radius == 0.0:
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return geometryOutput
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halfLayerHeight = 0.5 * derivation.radius
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importRadius = 0.5 * derivation.radius * setting.getImportCoarseness(elementNode)
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loopLayers = solid.getLoopLayersSetCopy(elementNode, geometryOutput, importRadius, derivation.radius)
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triangleAltitude = math.sqrt(0.75) * derivation.radius
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loops = []
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vertexes = []
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for loopLayerIndex in xrange(1, len(loopLayers), 2):
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loopLayer = loopLayers[loopLayerIndex]
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loopLayer.loops[0] = intercircle.getLargestInsetLoopFromLoop(loopLayer.loops[0], triangleAltitude)
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for loopLayerIndex in xrange(0, len(loopLayers), 2):
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loopLayer = loopLayers[loopLayerIndex]
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loopLists = [[solid.getLoopOrEmpty(loopLayerIndex - 2, loopLayers)]]
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loopLists.append([solid.getLoopOrEmpty(loopLayerIndex - 1, loopLayers)])
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loopLists.append([intercircle.getLargestInsetLoopFromLoop(loopLayer.loops[0], derivation.radius)])
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if evaluate.getEvaluatedBoolean(True, elementNode, prefix + 'insetTop'):
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loopLists.append([solid.getLoopOrEmpty(loopLayerIndex + 1, loopLayers)])
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loopLists.append([solid.getLoopOrEmpty(loopLayerIndex + 2, loopLayers)])
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largestLoop = euclidean.getLargestLoop(boolean_solid.getLoopsIntersection(importRadius, loopLists))
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triangle_mesh.addVector3Loop(largestLoop, loops, vertexes, loopLayer.z)
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if evaluate.getEvaluatedBoolean(False, elementNode, prefix + 'addExtraTopLayer') and len(loops) > 0:
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topLoop = loops[-1]
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vector3Loop = []
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loops.append(vector3Loop)
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z = topLoop[0].z + derivation.radius
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for point in topLoop:
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vector3Index = Vector3Index(len(vertexes), point.x, point.y, z)
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vector3Loop.append(vector3Index)
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vertexes.append(vector3Index)
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return triangle_mesh.getMeldedPillarOutput(loops)
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def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
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"Get inset path."
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derivation = InsetDerivation(elementNode, prefix)
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return intercircle.getInsetLoopsFromVector3Loop(loop, derivation.radius)
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def getNewDerivation(elementNode, prefix, sideLength):
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'Get new derivation.'
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return OutsetDerivation(elementNode, prefix)
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def processElementNode(elementNode):
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'Process the xml element.'
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solid.processElementNodeByFunctionPair(elementNode, getManipulatedGeometryOutput, getManipulatedPaths)
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class InsetDerivation:
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"Class to hold inset variables."
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def __init__(self, elementNode, prefix):
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'Set defaults.'
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self.radius = evaluate.getEvaluatedFloat(2.0 * setting.getEdgeWidth(elementNode), elementNode, prefix + 'radius')
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