Extract Array of Coordinates from Line (C++ OpenCV)

Question

Using C++ / OpenCV I\'ve drawn a line on an image using cv::line and now I\'m trying to extract an array of its coordinates. I\'ve tried assigning the line to <

Answer 1

You can see this answer. I presume this is what your question needs, Finding points in a line.

Opencv has Line Iterator function. Go through the documentation!

Here is a sample usage!

LineIterator it(img, pt1, pt2, 8);
for(int i = 0; i < it.count; i++, ++it)
{
    Point pt= it.pos(); 
   //Draw Some stuff using that Point pt
}