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Added extracting the wire of an extension

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markus
2018-09-21 17:41:24 -07:00
committed by wmayer
parent ff65795c24
commit b44e7572be
2 changed files with 56 additions and 10 deletions
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41
src/Mod/Path/PathScripts/PathPocketShape.py
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@@ -61,6 +61,40 @@ class Extension(object):
self.length = length
self.direction = direction
def extendEdge(self, e0, direction):
e2 = e0.copy()
off = self.length.Value * direction
e2.translate(off)
print("extendEdge(%.2f, %.2f, %.2f)" % (off.x, off.y, off.z))
e2 = PathGeom.flipEdge(e2)
e1 = Part.Edge(Part.LineSegment(e0.valueAt(e0.LastParameter), e2.valueAt(e2.FirstParameter)))
e3 = Part.Edge(Part.LineSegment(e2.valueAt(e2.LastParameter), e0.valueAt(e0.FirstParameter)))
wire = Part.Wire([e0, e1, e2, e3])
self.wire = wire
return wire
def getWire(self):
if PathGeom.isRoughly(0, self.length.Value):
return None
feature = self.obj.Shape.getElement(self.sub)
if Part.Edge == type(feature):
e0 = feature
print("getEdgeCorners(%s)" % self.sub)
midparam = e0.FirstParameter + 0.5 * (e0.LastParameter - e0.FirstParameter)
tangent = e0.tangentAt(midparam)
normal = tangent.cross(FreeCAD.Vector(0, 0, 1)).normalize()
poffPlus = e0.valueAt(midparam) + 0.01 * normal
poffMinus = e0.valueAt(midparam) - 0.01 * normal
if not self.obj.Shape.isInside(poffPlus, 0.005, True):
print('poffPlus')
return self.extendEdge(e0, normal)
if not self.obj.Shape.isInside(poffMinus, 0.005, True):
print('poffMinus')
return self.extendEdge(e0, normal.negative())
else:
print("getCorners(%s)" % self.sub)
class ObjectPocket(PathPocketBase.ObjectPocket):
'''Proxy object for Pocket operation.'''
@@ -188,13 +222,15 @@ class ObjectPocket(PathPocketBase.ObjectPocket):
obj.OpStartDepth = bb.ZMax
obj.ExtensionLengthDefault = obj.OpToolDiameter / 2
def createExtension(self, obj, extObj, extSub):
return Extension(extObj, extSub, obj.ExtensionLengthDefault, Extension.DirectionNormal)
def getExtensions(self, obj):
extensions = []
i = 0
for extObj,features in obj.ExtensionFeature:
for extSub in features:
ext = Extension(extObj, extSub, obj.ExtensionLengthDefault, Extension.DirectionNormal)
extensions.append(ext)
extensions.append(self.createExtension(obj, extObj, extSub))
i = i + 1
return extensions
@@ -205,7 +241,6 @@ class ObjectPocket(PathPocketBase.ObjectPocket):
subs.append(ext.sub)
features[ext.obj] = subs
PathLog.track('setExtension', obj.Label)
#obj.ExtensionFeature = [(obj, sub) for obj, sub in PathUtil.keyValueIter(features)]
obj.ExtensionFeature = [(ext.obj, ext.sub) for ext in extensions]
def SetupProperties():