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#
include
"
src/_contour.h
"
#
include
"
src/mplutils.h
"
#
include
"
src/py_exceptions.h
"
/*
QuadContourGenerator
*/
typedef
struct
{
PyObject_HEAD
QuadContourGenerator* ptr;
} PyQuadContourGenerator;
static
PyTypeObject PyQuadContourGeneratorType;
static
PyObject*
PyQuadContourGenerator_new
(PyTypeObject* type, PyObject* args, PyObject* kwds)
{
PyQuadContourGenerator* self;
self = (PyQuadContourGenerator*)type->
tp_alloc
(type,
0
);
self->
ptr
=
NULL
;
return
(PyObject*)self;
}
const
char
* PyQuadContourGenerator_init__doc__ =
"
QuadContourGenerator(x, y, z, mask, corner_mask, chunk_size)
\n
"
"
\n
"
"
Create a new C++ QuadContourGenerator object
\n
"
;
static
int
PyQuadContourGenerator_init
(PyQuadContourGenerator* self, PyObject* args, PyObject* kwds)
{
QuadContourGenerator::CoordinateArray x, y, z;
QuadContourGenerator::MaskArray mask;
int
corner_mask;
long
chunk_size;
if
(!
PyArg_ParseTuple
(args,
"
O&O&O&O&il
"
,
&x.
converter_contiguous
, &x,
&y.
converter_contiguous
, &y,
&z.
converter_contiguous
, &z,
&mask.
converter_contiguous
, &mask,
&corner_mask,
&chunk_size)) {
return
-
1
;
}
if
(x.
empty
() || y.
empty
() || z.
empty
() ||
y.
dim
(
0
) != x.
dim
(
0
) || z.
dim
(
0
) != x.
dim
(
0
) ||
y.
dim
(
1
) != x.
dim
(
1
) || z.
dim
(
1
) != x.
dim
(
1
)) {
PyErr_SetString
(PyExc_ValueError,
"
x, y and z must all be 2D arrays with the same dimensions
"
);
return
-
1
;
}
if
(z.
dim
(
0
) <
2
|| z.
dim
(
1
) <
2
) {
PyErr_SetString
(PyExc_ValueError,
"
x, y and z must all be at least 2x2 arrays
"
);
return
-
1
;
}
//
Mask array is optional, if set must be same size as other arrays.
if
(!mask.
empty
() && (mask.
dim
(
0
) != x.
dim
(
0
) || mask.
dim
(
1
) != x.
dim
(
1
))) {
PyErr_SetString
(PyExc_ValueError,
"
If mask is set it must be a 2D array with the same dimensions as x.
"
);
return
-
1
;
}
CALL_CPP_INIT
(
"
QuadContourGenerator
"
,
(self->
ptr
=
new
QuadContourGenerator
(
x, y, z, mask, corner_mask, chunk_size)));
return
0
;
}
static
void
PyQuadContourGenerator_dealloc
(PyQuadContourGenerator* self)
{
delete
self->
ptr
;
Py_TYPE
(self)->
tp_free
((PyObject *)self);
}
const
char
* PyQuadContourGenerator_create_contour__doc__ =
"
create_contour(level)
\n
"
"
\n
"
"
Create and return a non-filled contour.
"
;
static
PyObject*
PyQuadContourGenerator_create_contour
(PyQuadContourGenerator* self, PyObject* args, PyObject* kwds)
{
double
level;
if
(!
PyArg_ParseTuple
(args,
"
d:create_contour
"
, &level)) {
return
NULL
;
}
PyObject* result;
CALL_CPP
(
"
create_contour
"
, (result = self->
ptr
->
create_contour
(level)));
return
result;
}
const
char
* PyQuadContourGenerator_create_filled_contour__doc__ =
"
create_filled_contour(lower_level, upper_level)
\n
"
"
\n
"
"
Create and return a filled contour
"
;
static
PyObject*
PyQuadContourGenerator_create_filled_contour
(PyQuadContourGenerator* self, PyObject* args, PyObject* kwds)
{
double
lower_level, upper_level;
if
(!
PyArg_ParseTuple
(args,
"
dd:create_filled_contour
"
,
&lower_level, &upper_level)) {
return
NULL
;
}
if
(lower_level >= upper_level)
{
PyErr_SetString
(PyExc_ValueError,
"
filled contour levels must be increasing
"
);
return
NULL
;
}
PyObject* result;
CALL_CPP
(
"
create_filled_contour
"
,
(result = self->
ptr
->
create_filled_contour
(lower_level,
upper_level)));
return
result;
}
static
PyTypeObject*
PyQuadContourGenerator_init_type
(PyObject* m, PyTypeObject* type)
{
static
PyMethodDef methods[] = {
{
"
create_contour
"
, (PyCFunction)PyQuadContourGenerator_create_contour,
METH_VARARGS
, PyQuadContourGenerator_create_contour__doc__},
{
"
create_filled_contour
"
, (PyCFunction)PyQuadContourGenerator_create_filled_contour,
METH_VARARGS
, PyQuadContourGenerator_create_filled_contour__doc__},
{
NULL
}
};
memset
(type,
0
,
sizeof
(PyTypeObject));
type->
tp_name
=
"
matplotlib.QuadContourGenerator
"
;
type->
tp_doc
= PyQuadContourGenerator_init__doc__;
type->
tp_basicsize
=
sizeof
(PyQuadContourGenerator);
type->
tp_dealloc
= (destructor)PyQuadContourGenerator_dealloc;
type->
tp_flags
= Py_TPFLAGS_DEFAULT;
type->
tp_methods
= methods;
type->
tp_new
= PyQuadContourGenerator_new;
type->
tp_init
= (initproc)PyQuadContourGenerator_init;
if
(
PyType_Ready
(type) <
0
) {
return
NULL
;
}
if
(
PyModule_AddObject
(m,
"
QuadContourGenerator
"
, (PyObject*)type)) {
return
NULL
;
}
return
type;
}
/*
Module
*/
extern
"
C
"
{
#
if
PY3K
static
struct
PyModuleDef
moduledef = {
PyModuleDef_HEAD_INIT,
"
_contour
"
,
NULL
,
0
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
};
#
define
INITERROR
return
NULL
PyMODINIT_FUNC
PyInit__contour
(
void
)
#
else
#
define
INITERROR
return
PyMODINIT_FUNC
init_contour
(
void
)
#
endif
{
PyObject *m;
#
if
PY3K
m =
PyModule_Create
(&moduledef);
#
else
m =
Py_InitModule3
(
"
_contour
"
,
NULL
,
NULL
);
#
endif
if
(m ==
NULL
) {
INITERROR
;
}
if
(!
PyQuadContourGenerator_init_type
(m, &PyQuadContourGeneratorType)) {
INITERROR
;
}
import_array
();
#
if
PY3K
return
m;
#
endif
}
}
//
extern "C"
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