/[escript]/trunk/ripley/src/ripleycpp.cpp
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branches/ripleygmg_from_3668/ripley/src/ripleycpp.cpp revision 3791 by caltinay, Wed Feb 1 05:10:22 2012 UTC trunk/ripley/src/ripleycpp.cpp revision 3971 by caltinay, Wed Sep 19 02:55:35 2012 UTC
# Line 25  using namespace boost::python; Line 25  using namespace boost::python;
25    
26  namespace ripley {  namespace ripley {
27    
28    escript::Data readBinaryGrid(std::string filename, escript::FunctionSpace fs,
29            const object& pyFirst, const object& pyNum, const object& pyShape,
30            double fill=0.)
31    {
32        int dim=fs.getDim();
33        std::vector<int> first(dim), numValues(dim), shape;
34    
35        if (extract<tuple>(pyFirst).check() || extract<list>(pyFirst).check()) {
36            if (len(pyFirst)==dim) {
37                for (int i=0; i<dim; i++) {
38                    first[i]=extract<int>(pyFirst[i]);
39                }
40            } else
41                throw RipleyException("Argument 'first' has wrong length");
42        } else
43            throw RipleyException("Argument 'first' must be a tuple or list");
44    
45        if (extract<tuple>(pyNum).check() || extract<list>(pyNum).check()) {
46            if (len(pyNum)==dim) {
47                for (int i=0; i<dim; i++) {
48                    numValues[i]=extract<int>(pyNum[i]);
49                }
50            } else
51                throw RipleyException("Argument 'numValues' has wrong length");
52        } else
53            throw RipleyException("Argument 'numValues' must be a tuple or list");
54    
55        if (extract<tuple>(pyShape).check() || extract<list>(pyShape).check()) {
56            for (int i=0; i<len(pyShape); i++) {
57                shape.push_back(extract<int>(pyShape[i]));
58            }
59        } else
60            throw RipleyException("Argument 'shape' must be a tuple or list");
61    
62        const RipleyDomain* dom=dynamic_cast<const RipleyDomain*>(fs.getDomain().get());
63        if (!dom)
64            throw RipleyException("Function space must be on a ripley domain");
65    
66    
67        escript::Data res(fill, shape, fs, true);
68    
69        dom->readBinaryGrid(res, filename, first, numValues);
70        return res;
71    }
72    
73  // These wrappers are required to make the shared pointers work through the  // These wrappers are required to make the shared pointers work through the
74  // Python wrapper  // Python wrapper
75    
76  escript::Domain_ptr _brick(int n0, int n1, int n2, const object& l0,  // The double for n? is just to keep python happy when people need to deal with
77    // truediv
78    escript::Domain_ptr _brick(double _n0, double _n1, double _n2, const object& l0,
79                   const object& l1, const object& l2, int d0, int d1, int d2)                   const object& l1, const object& l2, int d0, int d1, int d2)
80  {  {
81        int n0=static_cast<int>(_n0), n1=static_cast<int>(_n1), n2=static_cast<int>(_n2);
82      double x0=0., x1=1., y0=0., y1=1., z0=0., z1=1.;      double x0=0., x1=1., y0=0., y1=1., z0=0., z1=1.;
83      if (extract<tuple>(l0).check()) {      if (extract<tuple>(l0).check()) {
84          tuple x=extract<tuple>(l0);          tuple x=extract<tuple>(l0);
# Line 72  escript::Domain_ptr _brick(int n0, int n Line 120  escript::Domain_ptr _brick(int n0, int n
120  }  }
121    
122  const int _q[]={0x61686969,0x746c4144,0x79616e43};  const int _q[]={0x61686969,0x746c4144,0x79616e43};
123  escript::Domain_ptr _rectangle(int n0, int n1, const object& l0,  escript::Domain_ptr _rectangle(double _n0, double _n1, const object& l0,
124                                 const object& l1, int d0, int d1)                                 const object& l1, int d0, int d1)
125  {  {
126        int n0=static_cast<int>(_n0), n1=static_cast<int>(_n1);
127      double x0=0., x1=1., y0=0., y1=1.;      double x0=0., x1=1., y0=0., y1=1.;
128      if (extract<tuple>(l0).check()) {      if (extract<tuple>(l0).check()) {
129          tuple x=extract<tuple>(l0);          tuple x=extract<tuple>(l0);
# Line 104  escript::Domain_ptr _rectangle(int n0, i Line 153  escript::Domain_ptr _rectangle(int n0, i
153  }  }
154  std::string _who(){int a[]={_q[0]^42,_q[1]^42,_q[2]^42,0};return (char*)&a[0];}  std::string _who(){int a[]={_q[0]^42,_q[1]^42,_q[2]^42,0};return (char*)&a[0];}
155    
156  }  } // end of namespace
157    
158  /**  /**
159      \page ripley Ripley      \page ripley Ripley
# Line 122  BOOST_PYTHON_MODULE(ripleycpp) Line 171  BOOST_PYTHON_MODULE(ripleycpp)
171    
172      register_exception_translator<ripley::RipleyException>(&(esysUtils::esysExceptionTranslator));      register_exception_translator<ripley::RipleyException>(&(esysUtils::esysExceptionTranslator));
173    
174      def("Brick", ripley::_brick, (arg("n0"),arg("n1"),arg("n2"),arg("l0")=1.0,arg("l1")=1.0,arg("l2")=1.0,arg("d0")=1,arg("d1")=1,arg("d2")=1),      def("Brick", ripley::_brick, (arg("n0"),arg("n1"),arg("n2"),arg("l0")=1.0,arg("l1")=1.0,arg("l2")=1.0,arg("d0")=-1,arg("d1")=-1,arg("d2")=-1),
175  "Creates a hexagonal mesh with n0 x n1 x n2 elements over the brick [0,l0] x [0,l1] x [0,l2].\n\n"  "Creates a hexagonal mesh with n0 x n1 x n2 elements over the brick [0,l0] x [0,l1] x [0,l2].\n\n"
176  ":param n0: number of elements in direction 0\n:type n0: ``int``\n"  ":param n0: number of elements in direction 0\n:type n0: ``int``\n"
177  ":param n1: number of elements in direction 1\n:type n1: ``int``\n"  ":param n1: number of elements in direction 1\n:type n1: ``int``\n"
# Line 134  BOOST_PYTHON_MODULE(ripleycpp) Line 183  BOOST_PYTHON_MODULE(ripleycpp)
183  ":param d1: number of subdivisions in direction 1\n:type d1: ``int``\n"  ":param d1: number of subdivisions in direction 1\n:type d1: ``int``\n"
184  ":param d2: number of subdivisions in direction 2\n:type d2: ``int``");  ":param d2: number of subdivisions in direction 2\n:type d2: ``int``");
185    
186      def("Rectangle", ripley::_rectangle, (arg("n0"),arg("n1"),arg("l0")=1.0,arg("l1")=1.0,arg("d0")=1,arg("d1")=1),      def("Rectangle", ripley::_rectangle, (arg("n0"),arg("n1"),arg("l0")=1.0,arg("l1")=1.0,arg("d0")=-1,arg("d1")=-1),
187  "Creates a rectangular mesh with n0 x n1 elements over the rectangle [0,l0] x [0,l1].\n\n"  "Creates a rectangular mesh with n0 x n1 elements over the rectangle [0,l0] x [0,l1].\n\n"
188  ":param n0: number of elements in direction 0\n:type n0: ``int``\n"  ":param n0: number of elements in direction 0\n:type n0: ``int``\n"
189  ":param n1: number of elements in direction 1\n:type n1: ``int``\n"  ":param n1: number of elements in direction 1\n:type n1: ``int``\n"
# Line 142  BOOST_PYTHON_MODULE(ripleycpp) Line 191  BOOST_PYTHON_MODULE(ripleycpp)
191  ":param l1: length of side 1 or coordinate range of side 1\n:type l1: ``float`` or ``tuple``\n"  ":param l1: length of side 1 or coordinate range of side 1\n:type l1: ``float`` or ``tuple``\n"
192  ":param d0: number of subdivisions in direction 0\n:type d0: ``int``\n"  ":param d0: number of subdivisions in direction 0\n:type d0: ``int``\n"
193  ":param d1: number of subdivisions in direction 1\n:type d1: ``int``");  ":param d1: number of subdivisions in direction 1\n:type d1: ``int``");
194      def("_theculprit_", ripley::_who),      def("_theculprit_", ripley::_who);
195      def("LoadMesh", ripley::RipleyDomain::loadMesh, (arg("filename")),      def("LoadMesh", ripley::RipleyDomain::loadMesh, (arg("filename")),
196             "Loads a ripley domain from a dump file" ":rtype: `Domain`");             "Loads a ripley domain from a dump file" ":rtype: `Domain`");
197    
# Line 150  BOOST_PYTHON_MODULE(ripleycpp) Line 199  BOOST_PYTHON_MODULE(ripleycpp)
199              "Reads a ripley domain from a file created by write().\n\n"              "Reads a ripley domain from a file created by write().\n\n"
200              ":rtype: `RipleyDomain`\n:param filename:\n:type filename: ``string``\n");              ":rtype: `RipleyDomain`\n:param filename:\n:type filename: ``string``\n");
201    
202        def("_readBinaryGrid", &ripley::readBinaryGrid, (arg("filename"), arg("functionspace"), arg("first"), arg("numValues"), arg("shape"), arg("fill")=0.));
203    
204      class_<ripley::RipleyDomain, bases<escript::AbstractContinuousDomain> >      class_<ripley::RipleyDomain, bases<escript::AbstractContinuousDomain> >
205          ("RipleyDomain", "", no_init)          ("RipleyDomain", "", no_init)
206          .def("write", &ripley::RipleyDomain::write, args("filename"),          .def("write", &ripley::RipleyDomain::write, args("filename"),

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