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Added cv2.boxPoints() functionality to Python bindings (Feature #2023)

Browse Source 
http://www.code.opencv.org/issues/2023

eg:

In [3]: box = ((10,10),(5,5),0)

In [4]: cv2.boxPoints(box)
Out[4]:
array([[  7.5,  12.5],
       [  7.5,   7.5],
       [ 12.5,   7.5],
       [ 12.5,  12.5]], dtype=float32)
This commit is contained in:
abidrahmank 2013-06-24 12:13:59 +05:30
parent eff6dccb3b
commit 37f4e400e4
2 changed files with 10 additions and 0 deletions
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3
modules/imgproc/include/opencv2/imgproc.hpp
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@ -1318,6 +1318,9 @@ CV_EXPORTS_W double contourArea( InputArray contour, bool oriented = false );
//! computes the minimal rotated rectangle for a set of points //! computes the minimal rotated rectangle for a set of points
CV_EXPORTS_W RotatedRect minAreaRect( InputArray points ); CV_EXPORTS_W RotatedRect minAreaRect( InputArray points );
//! computes boxpoints
CV_EXPORTS_W void boxPoints(RotatedRect box, OutputArray points);
//! computes the minimal enclosing circle for a set of points //! computes the minimal enclosing circle for a set of points
CV_EXPORTS_W void minEnclosingCircle( InputArray points, CV_EXPORTS_W void minEnclosingCircle( InputArray points,
CV_OUT Point2f& center, CV_OUT float& radius ); CV_OUT Point2f& center, CV_OUT float& radius );

7
modules/imgproc/src/rotcalipers.cpp
View File

@ -398,3 +398,10 @@ cvMinAreaRect2( const CvArr* array, CvMemStorage* /*storage*/ )
return (CvBox2D)rr; return (CvBox2D)rr;
} }
void cv::boxPoints(cv::RotatedRect box, OutputArray _pts)
{
_pts.create(4, 2, CV_32F);
Mat pts = _pts.getMat();
box.points((Point2f*)pts.data);
}