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fixed drawKeypoints (keypoint orientation)
author
Maria Dimashova
<no@email>
Mon, 30 May 2011 09:11:27 +0000
(09:11 +0000)
committer
Maria Dimashova
<no@email>
Mon, 30 May 2011 09:11:27 +0000
(09:11 +0000)
modules/features2d/src/draw.cpp
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diff --git
a/modules/features2d/src/draw.cpp
b/modules/features2d/src/draw.cpp
index
ff0c74b
..
45ee586
100755
(executable)
--- a/
modules/features2d/src/draw.cpp
+++ b/
modules/features2d/src/draw.cpp
@@
-67,8
+67,9
@@
static inline void _drawKeypoint( Mat& img, const KeyPoint& p, const Scalar& col
if( p.angle != -1 )
{
float srcAngleRad = p.angle*(float)CV_PI/180.f;
- Point orient(cvRound(cos(srcAngleRad)*radius),
- cvRound(sin(srcAngleRad)*radius));
+ Point orient( cvRound( cos(srcAngleRad)*radius ),
+ cvRound(-sin(srcAngleRad)*radius ) // "-" to invert orientation of axis y
+ );
line( img, center, center+orient, color, 1, CV_AA, draw_shift_bits );
}
#if 0