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expose bmesh volume calculation to python api (use for print toolbox addon).

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Campbell Barton
2013-05-07 00:00:32 +00:00
parent 424e8b69f1
commit 0ffde4fae3
4 changed files with 41 additions and 5 deletions
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32
source/blender/python/bmesh/bmesh_py_types.c
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@@ -1171,6 +1171,35 @@ static PyObject *bpy_bmesh_transform(BPy_BMElem *self, PyObject *args, PyObject
Py_RETURN_NONE;
}
PyDoc_STRVAR(bpy_bmesh_calc_volume_doc,
".. method:: calc_volume(signed=False)\n"
"\n"
" Calculate mesh volume based on face normals.\n"
"\n"
" :arg signed: when signed is true, negative values may be returned.\n"
" :type signed: bool\n"
" :return: The volume of the mesh.\n"
" :rtype: float\n"
);
static PyObject *bpy_bmesh_calc_volume(BPy_BMElem *self, PyObject *args, PyObject *kw)
{
static const char *kwlist[] = {"signed", NULL};
PyObject *is_signed = Py_False;
BPY_BM_CHECK_OBJ(self);
if (!PyArg_ParseTupleAndKeywords(args, kw,
"|O!:calc_volume",
(char **)kwlist,
&PyBool_Type, &is_signed))
{
return NULL;
}
else {
return PyFloat_FromDouble(BM_mesh_calc_volume(self->bm, is_signed != Py_False));
}
}
/* Elem
* ---- */
@@ -2454,6 +2483,9 @@ static struct PyMethodDef bpy_bmesh_methods[] = {
{"select_flush", (PyCFunction)bpy_bmesh_select_flush, METH_O, bpy_bmesh_select_flush_doc},
{"normal_update", (PyCFunction)bpy_bmesh_normal_update, METH_NOARGS, bpy_bmesh_normal_update_doc},
{"transform", (PyCFunction)bpy_bmesh_transform, METH_VARARGS | METH_KEYWORDS, bpy_bmesh_transform_doc},
/* calculations */
{"calc_volume", (PyCFunction)bpy_bmesh_calc_volume, METH_VARARGS | METH_KEYWORDS, bpy_bmesh_calc_volume_doc},
{NULL, NULL, 0, NULL}
};