Cura/fabmetheus_utilities/geometry/manipulation_shapes/_inset.py

   1 """
   2 Create inset.
   3
   4 """
   5
   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.
   8 import __init__
   9
  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
  20 import math
  21
  22
  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'
  27
  28
  29 globalExecutionOrder = 80
  30
  31
  32 def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
  33         'Get inset geometryOutput.'
  34         derivation = InsetDerivation(elementNode, prefix)
  35         if derivation.radius == 0.0:
  36                 return geometryOutput
  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
  41         loops = []
  42         vertexes = []
  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:
  57                 topLoop = loops[-1]
  58                 vector3Loop = []
  59                 loops.append(vector3Loop)
  60                 z = topLoop[0].z + derivation.radius
  61                 for point in topLoop:
  62                         vector3Index = Vector3Index(len(vertexes), point.x, point.y, z)
  63                         vector3Loop.append(vector3Index)
  64                         vertexes.append(vector3Index)
  65         return triangle_mesh.getMeldedPillarOutput(loops)
  66
  67 def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
  68         "Get inset path."
  69         derivation = InsetDerivation(elementNode, prefix)
  70         return intercircle.getInsetLoopsFromVector3Loop(loop, derivation.radius)
  71
  72 def getNewDerivation(elementNode, prefix, sideLength):
  73         'Get new derivation.'
  74         return OutsetDerivation(elementNode, prefix)
  75
  76 def processElementNode(elementNode):
  77         'Process the xml element.'
  78         solid.processElementNodeByFunctionPair(elementNode, getManipulatedGeometryOutput, getManipulatedPaths)
  79
  80
  81 class InsetDerivation:
  82         "Class to hold inset variables."
  83         def __init__(self, elementNode, prefix):
  84                 'Set defaults.'
  85                 self.radius = evaluate.getEvaluatedFloat(2.0 * setting.getEdgeWidth(elementNode), elementNode, prefix + 'radius')