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Clip sections when too long

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When the path wraps around a corner the section might be too long to fit
between the fence posts. So we clip it to the length so that it fits.
This commit is contained in:
furti
2019-05-07 19:40:58 +02:00
committed by Yorik van Havre
parent bc0c959f49
commit 72b291ecff
1 changed files with 30 additions and 4 deletions
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34
src/Mod/Arch/ArchFence.py
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@@ -97,7 +97,8 @@ class _Fence(ArchComponent.Component):
obj, pathwire, downRotation)
postShapes = self.calculatePosts(obj, postPlacements)
sectionShapes = self.calculateSections(obj, postPlacements, postLength)
sectionShapes = self.calculateSections(
obj, postPlacements, postLength, sectionLength)
allShapes = []
allShapes.extend(postShapes)
@@ -140,7 +141,7 @@ class _Fence(ArchComponent.Component):
return posts
def calculateSections(self, obj, postPlacements, postLength):
def calculateSections(self, obj, postPlacements, postLength, sectionLength):
import Part
shapes = []
@@ -149,8 +150,6 @@ class _Fence(ArchComponent.Component):
startPlacement = postPlacements[i]
endPlacement = postPlacements[i + 1]
# print("start: %s, end: %s\n" % (startPlacement, endPlacement))
sectionLine = Part.LineSegment(
startPlacement.Base, endPlacement.Base)
sectionBase = sectionLine.value(postLength)
@@ -167,12 +166,39 @@ class _Fence(ArchComponent.Component):
placement.Rotation = sectionRotation
sectionCopy = obj.Section.Shape.copy()
if sectionLength > sectionLine.length():
# Part.show(Part.Shape([sectionLine]), 'line')
sectionCopy = self.clipSection(
sectionCopy, sectionLength, sectionLine.length() - postLength)
sectionCopy.Placement = placement
shapes.append(sectionCopy)
return shapes
def clipSection(self, shape, length, clipLength):
print("length: %s, clipLength: %s" % (length, clipLength))
boundBox = shape.BoundBox
lengthToCut = length - clipLength
halfLengthToCut = lengthToCut / 2
leftBox = Part.makeBox(halfLengthToCut, boundBox.YMax + 1, boundBox.ZMax + 1,
FreeCAD.Vector(boundBox.XMin, boundBox.YMin, boundBox.ZMin))
rightBox = Part.makeBox(halfLengthToCut, boundBox.YMax + 1, boundBox.ZMax + 1,
FreeCAD.Vector(boundBox.XMin + halfLengthToCut + clipLength, boundBox.YMin, boundBox.ZMin))
newShape = shape.cut([leftBox, rightBox])
newBoundBox = newShape.BoundBox
newShape.translate(FreeCAD.Vector(-newBoundBox.XMin, 0, 0))
print(newShape.BoundBox)
return newShape.removeSplitter()
def calculatePathWire(self, obj):
if (hasattr(obj.Path.Shape, 'Wires') and obj.Path.Shape.Wires):
return obj.Path.Shape.Wires[0]