Package pyffi :: Package utils :: Module trianglestripifier :: Class TriangleStripifier
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Class TriangleStripifier

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object --+
         |
        TriangleStripifier

Implementation of a triangle stripifier.

Heavily adapted from NvTriStrip. Original can be found at http://developer.nvidia.com/view.asp?IO=nvtristrip_library.

Instance Methods [hide private]
 
__init__(self, mesh)
x.__init__(...) initializes x; see help(type(x)) for signature
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find_all_strips(self)
Find all strips.
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Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Static Methods [hide private]
 
sample(population, k)
Return a k length list of unique elements chosen from the population sequence.
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Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

__init__(self, mesh)
(Constructor)

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x.__init__(...) initializes x; see help(type(x)) for signature
Overrides: object.__init__
(inherited documentation)

sample(population, k)
Static Method

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Return a k length list of unique elements chosen from the population sequence. Used for random sampling without replacement. Deterministic version of random.sample (being deterministic means that it is easier to test).

>>> TriangleStripifier.sample(range(10), 1)
[0]
>>> TriangleStripifier.sample(range(10), 2)
[0, 9]
>>> TriangleStripifier.sample(range(10), 3)
[0, 4, 9]
>>> TriangleStripifier.sample(range(10), 4)
[0, 3, 6, 9]
>>> TriangleStripifier.sample(range(10), 5)
[0, 2, 4, 6, 9]
>>> TriangleStripifier.sample(range(10), 6)
[0, 1, 3, 5, 7, 9]
>>> TriangleStripifier.sample(range(10), 7)
[0, 1, 3, 4, 6, 7, 9]
>>> TriangleStripifier.sample(range(10), 8)
[0, 1, 2, 3, 5, 6, 7, 9]
>>> TriangleStripifier.sample(range(10), 9)
[0, 1, 2, 3, 4, 5, 6, 7, 9]
>>> TriangleStripifier.sample(range(10), 10)
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]