File: Vector3Py.cc

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/////////////////////////////////////////////////////////////
//                                                         //
// Copyright (c) 2007-2011 by The University of Queensland //
// Earth Systems Science Computational Centre (ESSCC)      //
// http://www.uq.edu.au/esscc                              //
//                                                         //
// Primary Business: Brisbane, Queensland, Australia       //
// Licensed under the Open Software License version 3.0    //
// http://www.opensource.org/licenses/osl-3.0.php          //
//                                                         //
/////////////////////////////////////////////////////////////

#include <boost/version.hpp>
#include "Vector3Py.h"

using namespace boost::python;

void exportVector3 ()
{
  // Check that Boost 1.34.0 or higher is being used.
  // If so, disable auto-generation of C++ signatures for Epydoc
  // (which stumbles over indentation in the auto-generated strings).
  #if ((BOOST_VERSION / 100000 >= 1) \
      && (BOOST_VERSION / 100 % 1000 >= 34)) \
      || (BOOST_VERSION / 100000 >= 2)
    boost::python::docstring_options no_autogen(true,false);
  #endif

      class_<Vector3>(
        "Vector3",
        "A class defining a location or vector in 3D space",
        init<>()
      )
      .def(init<const Vector3 &>())
      .def(
        init<double,double,double>(
          ( arg("x"), arg("y"), arg("z") ),
          "Constructs a vector with specifed component values.\n"
          "@type x: float\n"
          "@kwarg x: index 0\n"
          "@type y: float\n"
          "@kwarg y: index 1\n"
          "@type z: float\n"
          "@kwarg z: index 2\n"
        )
      )
      .def(self == self)
      .def(self - self)
      .def(self + self)
      .def(self * double(0.0))
      .def(
        "dot",
        &::dot,
        ( arg("v") ),
        "Returns the dot product of this 3-element vector with\n"
        "the specified L{Vector3}.\n"
        "@type v: L{Vector3}\n"
        "@kwarg v: dot product with this\n"
        "@rtype: float\n"
      )
      .def(
        "cross",
        &::cross,
        ( arg("v") ),
        "Returns the cross product of this 3-element vector with\n"
        "the specified L{Vector3}.\n"
        "@type v: L{Vector3}\n"
        "@kwarg v: cross product with this\n"
        "@rtype: L{Vector3}\n"
      )
      .def(
        "norm",
        &Vector3::norm,
        "Returns the magnitude of this 3-element vector.\n"
        "@rtype: float\n"
        "@return: math.sqrt(self.dot(self)).\n"
      )
      .def(
        "unit",
        &Vector3::unit,
        "Returns the unit vector in the direction of this 3-element vector.\n"
        "@rtype: L{Vector3}\n"
        "@return: self/self.norm(self).\n"
      )
      .def(
        "X",
        &Vector3::x,
        "Returns the x-coordinate of the vector.\n"
        "@rtype: double\n"
      )
      .def(
        "Y",
        &Vector3::y,
        "Returns the y-coordinate of the vector.\n"
        "@rtype: double\n"
      )
      .def(
        "Z",
        &Vector3::z,
        "Returns the z-coordinate of the vector.\n"
        "@rtype: double\n"
      )
      .def(self_ns::str(self))
      ;
}