Normalize terms in computeYmlOnGrid
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21
tools/ibl.py
21
tools/ibl.py
@ -17,16 +17,19 @@ c22 = 0.546274
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def computeYmlOnGrid(Xgrid, Ygrid, Zgrid):
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"compute Yml from Y00 to Y22 on Xgrid/Ygrid/Zgrid"
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"Xgrid/Ygrid/Zgrid must be normalised"
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norm = np.sqrt(Xgrid * Xgrid + Ygrid * Ygrid + Zgrid * Zgrid)
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Xg = Xgrid / norm
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Yg = Ygrid / norm
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Zg = Zgrid / norm
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Y00 = c00
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Y1minus1 = c1minus1 * Ygrid
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Y10 = c10 * Zgrid
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Y11 = c11 * Xgrid
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Y2minus2 = c2minus2 * Xgrid * Ygrid
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Y2minus1 = c2minus1 * Ygrid * Zgrid
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Y21= c21 * Xgrid * Zgrid
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Y20 = c20 * (3 * Zgrid * Zgrid - 1)
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Y22 = c22 * (Xgrid * Xgrid - Ygrid * Ygrid)
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Y1minus1 = c1minus1 * Yg
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Y10 = c10 * Zg
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Y11 = c11 * Xg
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Y2minus2 = c2minus2 * Xg * Yg
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Y2minus1 = c2minus1 * Yg * Zg
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Y21= c21 * Xg * Zg
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Y20 = c20 * (3 * Zg * Zg - 1)
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Y22 = c22 * (Xg * Xg - Yg * Yg)
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return (Y00, Y1minus1, Y10, Y11, Y2minus2, Y2minus1, Y20, Y21, Y22)
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