Some functions for handling 3D point cloud data and ellipsoids.

ai2ll | azi-inc to lat lon |

ai2xyz | (azi,incl) to 3d coordinates |

antipode | antipode lat and lon |

azi2lon | azimuth to longitude |

aziinc2rotationMatrix | Rotation using azimuth-inclination. |

dist.plane | distance on the plane |

dist.sphere | distance on the surface of a sphere |

Euler2quaternion | Euler axis/angle to quaternion |

Euler2rotationMatrix | Euler axis-angle to Rotation matrix |

EulerAngles2quaternion | Euler angles to quaternions |

EulerAngles2rotationMatrix | Euler angles to Rotation matrix |

inc2lat | inclination to latitude |

intensity.sphere | intensity on a sphere |

lat2inc | latitude to inclination |

ll2ai | latlon to aziinc |

ll2xyz | latlon to 3d coordinates |

lon2azi | longitude to azimuth |

plane.smooth | smooth using gaussian regression on a 2d plane |

plot.spheresmooth | plot the 3d sphere of predictions |

quaternion2Euler | Quaternion to Euler axis/angle |

quaternion2EulerAngles | Quaternion to Euler angles |

quaternion2rotationMatrix | Quaternion to rotation matrix |

rotationMatrix | Product of elementary rotation matrices |

rotationMatrix2Euler | Rotation matrix (prop or improp) to Euler axis-angle |

rotationMatrix2EulerAngles | Rotation matrix to Euler angles |

rotationMatrix2quaternion | Rotation matrix to quaternion |

runifcircle | Sample unit circle uniformly |

runifsphere | Sample unit sphere uniformly |

sphere.grid | generate grids on sphere |

sphere.predict | Predict on sphere using gaussian regression (Kriging) |

sphere.smooth | Smoothed unit sphere values |

unit.vecs | spherical unit vectors in xyz |

values2colors | values to colors |

xyz2ai | xyz to azi inc |

xyz2globe | OLD for plotting on the globe, we need to trasform as the... |

xyz2ll | xyz to lat lon |

xyzrotate | rotate xyz coordinates |

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