documenting and testing
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@ -1126,8 +1126,8 @@ class Rotation:
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Notes
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-----
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The default crystal direction (θ=0,φ=0) direction is [0 0 1],
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the default sample direction (θ=0,φ=0) is z.
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The crystal direction for (θ=0,φ=0) is [0 0 1],
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the sample direction for (θ=0,φ=0) is z.
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Polar coordinates follow the ISO 80000-2:2019 convention
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typically used in physics.
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@ -1137,7 +1137,18 @@ class Rotation:
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Examples
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--------
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tbd
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Create an ideal α-fiber texture (<1 1 0> ǀǀ RD=x) consisting of
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200 orientations:
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>>> import damask
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>>> import numpy as np
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>>> alpha = damask.Rotation.from_fiber_component([np.pi/4.,0.],[np.pi/2.,0.],shape=200)
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Create an ideal γ-fiber texture (<1 1 1> ǀǀ ND=z) consisting of
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100 orientations:
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>>> import damask
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>>> gamma = damask.Rotation.from_fiber_component([54.7,45.0],[0.,0.],shape=100,degrees=True)
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"""
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rng = np.random.default_rng(rng_seed)
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@ -158,6 +158,13 @@ class TestOrientation:
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sigma=0.0,shape=None,rng_seed=0,lattice='cI').quaternion
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== r.quaternion)
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@pytest.mark.parametrize('crystal,sample,direction,color',[([np.pi/4,0],[np.pi/2,0],[1,0,0],[0,1,0]),
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([np.arccos(3**(-.5)),np.pi/4,0],[0,0],[0,0,1],[0,0,1])])
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def test_fiber_IPF(self,crystal,sample,direction,color):
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fiber = Orientation.from_fiber_component(crystal=crystal,sample=sample,family='cubic',shape=200)
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print(np.allclose(fiber.IPF_color(direction),color))
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@pytest.mark.parametrize('kwargs',[
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dict(lattice='aP',a=1.0,b=1.1,c=1.2,alpha=np.pi/4.5,beta=np.pi/3.5,gamma=np.pi/2.5),
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dict(lattice='mP',a=1.0,b=1.1,c=1.2, beta=np.pi/3.5),
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