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authorStanislaw Halik <sthalik@misaki.pl>2017-03-03 11:53:09 +0100
committerStanislaw Halik <sthalik@misaki.pl>2017-03-03 11:53:09 +0100
commitb7c69b1b1add8d5a0df52da8a8efd7f5d70dcd19 (patch)
treebfd0bc7b71575e078d86ae2e7bb92c7a8c1eb036 /tracker-pt/point_extractor.cpp
parente845694bdbe7e0bc56e59ea8c33850021664048d (diff)
tracker/pt: show average point radius on the displayopentrack-2.3.1_fix3
Helps with choosing automatic threshold slider position.
Diffstat (limited to 'tracker-pt/point_extractor.cpp')
-rw-r--r--tracker-pt/point_extractor.cpp27
1 files changed, 23 insertions, 4 deletions
diff --git a/tracker-pt/point_extractor.cpp b/tracker-pt/point_extractor.cpp
index 8cd4e1f3..4bd92d44 100644
--- a/tracker-pt/point_extractor.cpp
+++ b/tracker-pt/point_extractor.cpp
@@ -194,14 +194,33 @@ void PointExtractor::extract_points(const cv::Mat& frame, cv::Mat& preview_frame
blobs.push_back(b);
{
- char buf[64];
- sprintf(buf, "%.2fpx", radius);
- static const vec2 off(10, 7.5);
+ static const f offx = 10, offy = 7.5;
const f cx = preview_frame.cols / f(frame.cols),
cy = preview_frame.rows / f(frame.rows);
+ cv::Point p(iround(b.pos[0] * cx), iround(b.pos[1] * cy));
+
+ static const cv::Scalar color(0, 255, 0);
+
+ cv::circle(preview_frame, p, b.radius, color);
+
+ {
+ const int len = iround(b.radius * 1.25) + 1;
+ cv::line(preview_frame,
+ cv::Point(p.x - len, p.y),
+ cv::Point(p.x + len, p.y),
+ color);
+ cv::line(preview_frame,
+ cv::Point(p.x, p.y - len),
+ cv::Point(p.x, p.y + len),
+ color);
+ }
+
+ char buf[64];
+ sprintf(buf, "%.2fpx", radius);
+
cv::putText(preview_frame,
buf,
- cv::Point(iround(b.pos[0]*cx+off[0]), iround(b.pos[1]*cy+off[1])),
+ cv::Point(iround(b.pos[0]*cx+offx), iround(b.pos[1]*cy+offy)),
cv::FONT_HERSHEY_PLAIN,
1,
cv::Scalar(0, 0, 255),