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 inset geometryOutput.'
34 derivation = InsetDerivation(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 triangleAltitude = math.sqrt(0.75) * derivation.radius
43 for loopLayerIndex in xrange(1, len(loopLayers), 2):
44 loopLayer = loopLayers[loopLayerIndex]
45 loopLayer.loops[0] = intercircle.getLargestInsetLoopFromLoop(loopLayer.loops[0], triangleAltitude)
46 for loopLayerIndex in xrange(0, len(loopLayers), 2):
47 loopLayer = loopLayers[loopLayerIndex]
48 loopLists = [[solid.getLoopOrEmpty(loopLayerIndex - 2, loopLayers)]]
49 loopLists.append([solid.getLoopOrEmpty(loopLayerIndex - 1, loopLayers)])
50 loopLists.append([intercircle.getLargestInsetLoopFromLoop(loopLayer.loops[0], derivation.radius)])
51 if evaluate.getEvaluatedBoolean(True, elementNode, prefix + 'insetTop'):
52 loopLists.append([solid.getLoopOrEmpty(loopLayerIndex + 1, loopLayers)])
53 loopLists.append([solid.getLoopOrEmpty(loopLayerIndex + 2, loopLayers)])
54 largestLoop = euclidean.getLargestLoop(boolean_solid.getLoopsIntersection(importRadius, loopLists))
55 triangle_mesh.addVector3Loop(largestLoop, loops, vertexes, loopLayer.z)
56 if evaluate.getEvaluatedBoolean(False, elementNode, prefix + 'addExtraTopLayer') and len(loops) > 0:
59 loops.append(vector3Loop)
60 z = topLoop[0].z + derivation.radius
62 vector3Index = Vector3Index(len(vertexes), point.x, point.y, z)
63 vector3Loop.append(vector3Index)
64 vertexes.append(vector3Index)
65 return triangle_mesh.getMeldedPillarOutput(loops)
67 def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
69 derivation = InsetDerivation(elementNode, prefix)
70 return intercircle.getInsetLoopsFromVector3Loop(loop, derivation.radius)
72 def getNewDerivation(elementNode, prefix, sideLength):
74 return OutsetDerivation(elementNode, prefix)
76 def processElementNode(elementNode):
77 'Process the xml element.'
78 solid.processElementNodeByFunctionPair(elementNode, getManipulatedGeometryOutput, getManipulatedPaths)
81 class InsetDerivation:
82 "Class to hold inset variables."
83 def __init__(self, elementNode, prefix):
85 self.radius = evaluate.getEvaluatedFloat(2.0 * setting.getEdgeWidth(elementNode), elementNode, prefix + 'radius')