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.creation import lineation
11 from fabmetheus_utilities.geometry.creation import solid
12 from fabmetheus_utilities.geometry.geometry_utilities.evaluate_elements import setting
13 from fabmetheus_utilities.geometry.geometry_utilities import boolean_solid
14 from fabmetheus_utilities.geometry.geometry_utilities import evaluate
15 from fabmetheus_utilities.geometry.geometry_utilities import matrix
16 from fabmetheus_utilities.geometry.solids import triangle_mesh
17 from fabmetheus_utilities.vector3index import Vector3Index
18 from fabmetheus_utilities import euclidean
19 from fabmetheus_utilities import intercircle
23 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
24 __credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
25 __date__ = '$Date: 2008/02/05 $'
26 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
29 globalExecutionOrder = 80
32 def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
33 'Get outset geometryOutput.'
34 derivation = OutsetDerivation(elementNode, prefix)
35 if derivation.radius == 0.0:
37 halfLayerHeight = 0.5 * derivation.radius
38 importRadius = 0.5 * derivation.radius * setting.getImportCoarseness(elementNode)
39 loopLayers = solid.getLoopLayersSetCopy(elementNode, geometryOutput, importRadius, derivation.radius)
40 if len(loopLayers) == 0:
41 return triangle_mesh.getMeldedPillarOutput([])
42 triangleAltitude = math.sqrt(0.75) * derivation.radius
45 for loopLayerIndex in xrange(1, len(loopLayers), 2):
46 loopLayer = loopLayers[loopLayerIndex]
47 loopLayer.loops[0] = intercircle.getLargestInsetLoopFromLoop(loopLayer.loops[0], triangleAltitude)
48 z = loopLayers[0].z - derivation.radius
49 for loopIndex in xrange(-2, len(loopLayers) + 2, 2):
50 loopLists = [[solid.getLoopOrEmpty(loopIndex - 2, loopLayers)]]
51 loopLists.append([solid.getLoopOrEmpty(loopIndex - 1, loopLayers)])
52 loopLists.append([intercircle.getLargestInsetLoopFromLoop(solid.getLoopOrEmpty(loopIndex, loopLayers), -derivation.radius)])
53 loopLists.append([solid.getLoopOrEmpty(loopIndex + 1, loopLayers)])
54 loopLists.append([solid.getLoopOrEmpty(loopIndex + 2, loopLayers)])
55 largestLoop = euclidean.getLargestLoop(boolean_solid.getLoopsUnion(importRadius, loopLists))
56 triangle_mesh.addVector3Loop(largestLoop, loops, vertexes, z)
57 z += derivation.radius
58 return triangle_mesh.getMeldedPillarOutput(loops)
60 def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
62 derivation = OutsetDerivation(elementNode, prefix)
63 return intercircle.getInsetLoopsFromVector3Loop(loop, -derivation.radius)
65 def getNewDerivation(elementNode, prefix, sideLength):
67 return OutsetDerivation(elementNode, prefix)
69 def processElementNode(elementNode):
70 'Process the xml element.'
71 solid.processElementNodeByFunctionPair(elementNode, getManipulatedGeometryOutput, getManipulatedPaths)
74 class OutsetDerivation:
75 "Class to hold outset variables."
76 def __init__(self, elementNode, prefix):
78 self.radius = evaluate.getEvaluatedFloat(2.0 * setting.getEdgeWidth(elementNode), elementNode, prefix + 'radius')