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21 lines
984 B
21 lines
984 B
12 years ago
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/**
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* Least-squares fit of a sphere to a set of points.
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*
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* Fits a sphere to a set of points on the sphere surface.
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*
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* @param x point coordinates on the X axis
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* @param y point coordinates on the Y axis
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* @param z point coordinates on the Z axis
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* @param size number of points
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* @param max_iterations abort if maximum number of iterations have been reached. If unsure, set to 100.
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* @param delta abort if error is below delta. If unsure, set to 0 to run max_iterations times.
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* @param sphere_x coordinate of the sphere center on the X axis
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* @param sphere_y coordinate of the sphere center on the Y axis
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* @param sphere_z coordinate of the sphere center on the Z axis
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* @param sphere_radius sphere radius
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*
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* @return 0 on success, 1 on failure
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*/
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int sphere_fit_least_squares(const float x[], const float y[], const float z[],
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unsigned int size, unsigned int max_iterations, float delta, float *sphere_x, float *sphere_y, float *sphere_z, float *sphere_radius);
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