suzanne.soy/cadquery-freecad-module
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DirectionNthSelector inherits from ParallelDirSelector

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DirectionNthSelector will only consider objects parallel | normal to the
specified direction
This commit is contained in:
adam-urbanczyk 2016-06-05 16:54:03 +02:00
parent 1ac5937f96
commit 788bc58244
1 changed files with 7 additions and 5 deletions
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12
cadquery/selectors.py
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@ -323,7 +323,7 @@ class DirectionMinMaxSelector(Selector):
# return all objects at the max/min distance (within a tolerance) # return all objects at the max/min distance (within a tolerance)
return filter(lambda o: abs(d - distance(o)) < self.TOLERANCE, objectList) return filter(lambda o: abs(d - distance(o)) < self.TOLERANCE, objectList)
class DirectionNthSelector(Selector): class DirectionNthSelector(ParallelDirSelector):
""" """
Selects objects closest or farthest in the specified direction Selects objects closest or farthest in the specified direction
Used for faces, points, and edges Used for faces, points, and edges
@ -350,19 +350,21 @@ class DirectionNthSelector(Selector):
""" """
def __init__(self, vector, n, directionMax=True, tolerance=0.0001): def __init__(self, vector, n, directionMax=True, tolerance=0.0001):
self.vector = vector self.direction = vector
self.max = max self.max = max
self.directionMax = directionMax self.directionMax = directionMax
self.TOLERANCE = tolerance self.TOLERANCE = tolerance
if directionMax: if directionMax:
self.N = n self.N = n #do we want indexing from 0 or from 1?
else: else:
self.N = -n self.N = -n
def filter(self,objectList): def filter(self,objectList):
#select first the objects that are normal/parallel to a given dir
objectList = super(DirectionNthSelector,self).filter(objectList)
def distance(tShape): def distance(tShape):
return tShape.Center().dot(self.vector) return tShape.Center().dot(self.direction)
#if tShape.ShapeType == 'Vertex': #if tShape.ShapeType == 'Vertex':
# pnt = tShape.Point # pnt = tShape.Point
#else: #else: