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Added the C interface function signature and the overloaded minEnclosingTriangle Python function to the documentation.

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Ovidiu Parvu 2013-09-15 23:40:40 +01:00
parent 130b4d8e26
commit b570a4ac47
1 changed files with 12 additions and 2 deletions
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modules/imgproc/doc/structural_analysis_and_shape_descriptors.rst
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@ -568,13 +568,23 @@ Finds a triangle of minimum area enclosing a 2D point set.
.. ocv:function:: void minEnclosingTriangle( InputArray points, OutputArray triangle, double &area )
.. ocv:pyfunction:: cv2.minEnclosingTriangle(points[, triangle]) -> triangle
.. ocv:pyfunction:: cv2.minEnclosingTriangle(points[, triangle]) -> triangle, area
:param points: Input vector of 2D points with depth ``CV_32S`` or ``CV_32F``.
.. ocv:cfunction:: int cvMinEnclosingTriangle( const CvArr* points, CvArr* triangle, double* area )
:param points: Input vector of 2D points with depth ``CV_32S`` or ``CV_32F``, stored in:
* ``std::vector<>`` or ``Mat`` (C++ interface)
* ``CvSeq*`` or ``CvMat*`` (C interface)
* Nx2 numpy array (Python interface)
:param triangle: Output vector of three 2D points defining the vertices of the triangle. The depth of the OutputArray must be ``CV_32F``.
:param area: The area of the minimum enclosing triangle.
:param area: The area of the minimum enclosing triangle. The ``C`` interface of the function allows providing a ``NULL`` pointer for this parameter in order for the value of the area not to be returned.
The output for a given 2D point set is shown in the image below. The 2D points are depicted in *red* and the enclosing triangle in *yellow*.