Revision: 42694
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42694
Author: kjym3
Date: 2011-12-17 19:31:30 +0000 (Sat, 17 Dec 2011)
Log Message:
-----------
Added SVertex::curvatures() in the Python API to retrieve curvature
information at a given SVertex.
Modified Paths:
--------------
branches/soc-2008-mxcurioni/source/blender/freestyle/intern/python/Interface0D/BPy_SVertex.cpp
Modified:
branches/soc-2008-mxcurioni/source/blender/freestyle/intern/python/Interface0D/BPy_SVertex.cpp
===================================================================
---
branches/soc-2008-mxcurioni/source/blender/freestyle/intern/python/Interface0D/BPy_SVertex.cpp
2011-12-17 19:14:19 UTC (rev 42693)
+++
branches/soc-2008-mxcurioni/source/blender/freestyle/intern/python/Interface0D/BPy_SVertex.cpp
2011-12-17 19:31:30 UTC (rev 42694)
@@ -237,6 +237,40 @@
Py_RETURN_NONE;
}
+static char SVertex_curvatures___doc__[] =
+".. method:: curvatures()\n"
+"\n"
+" Returns curvature information in the form of a seven-element tuple\n"
+" (K1, e1, K2, e2, Kr, er, dKr), where K1 and K2 are scalar values\n"
+" representing the first (maximum) and second (minimum) principal\n"
+" curvatures at this SVertex, respectively; e1 and e2 are\n"
+" three-dimensional vectors representing the first and second principal\n"
+" directions, i.e. the directions of the normal plane where the\n"
+" curvature takes its maximum and minimum values, respectively; and Kr,\n"
+" er and dKr are the radial curvature, radial direction, and the\n"
+" derivative of the radial curvature at this SVertex, repectively.\n"
+" :return: curvature information expressed by a seven-element tuple\n"
+" (K1, e1, K2, e2, Kr, er, dKr).\n"
+" :rtype: tuple\n";
+
+static PyObject *SVertex_curvatures( BPy_SVertex *self , PyObject *args) {
+ const CurvatureInfo *info = self->sv->getCurvatureInfo();
+ if (!info)
+ Py_RETURN_NONE;
+ Vec3r e1(info->e1.x(), info->e1.y(), info->e1.z());
+ Vec3r e2(info->e2.x(), info->e2.y(), info->e2.z());
+ Vec3r er(info->er.x(), info->er.y(), info->er.z());
+ PyObject *retval = PyTuple_New(7);
+ PyTuple_SetItem( retval, 0, PyFloat_FromDouble(info->K1));
+ PyTuple_SetItem( retval, 2, Vector_from_Vec3r(e1));
+ PyTuple_SetItem( retval, 1, PyFloat_FromDouble(info->K2));
+ PyTuple_SetItem( retval, 3, Vector_from_Vec3r(e2));
+ PyTuple_SetItem( retval, 4, PyFloat_FromDouble(info->Kr));
+ PyTuple_SetItem( retval, 5, Vector_from_Vec3r(er));
+ PyTuple_SetItem( retval, 6, PyFloat_FromDouble(info->dKr));
+ return retval;
+}
+
// virtual bool operator== (const SVertex &iBrother)
// ViewVertex * viewvertex ()
@@ -250,6 +284,7 @@
{"AddNormal", ( PyCFunction ) SVertex_AddNormal, METH_VARARGS,
SVertex_AddNormal___doc__},
{"setId", ( PyCFunction ) SVertex_setId, METH_VARARGS,
SVertex_setId___doc__},
{"AddFEdge", ( PyCFunction ) SVertex_AddFEdge, METH_VARARGS,
SVertex_AddFEdge___doc__},
+ {"curvatures", ( PyCFunction ) SVertex_curvatures, METH_NOARGS,
SVertex_curvatures___doc__},
{NULL, NULL, 0, NULL}
};
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