Helps identify lens angles

alignment | Find the baseline alignment (angle) given position of limbus... |

anglefinder | Finds the angle of the lens |

findtilt | Find the ends of the lens, and the slope of the line... |

findx | Find intersects of quadratics |

horizontal | Measure end points of location bar |

PhilsAngleFinder-package | Helps identify lens angles |

plotbaseline | Plot the baseline |

plotcurve | Collects and plots the quadratic curve for upper and lower |

plothorizontal | Not sure what this does |

plotlens | Plot the line joining lens ends, and return the angle |

plotlimbus | Plot the limbus |

vertical | Collect the end points of the vertical bar |

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