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python Programming Glossary: pt2calculating angle between two lines in python http://stackoverflow.com/questions/13226038/calculating-angle-between-two-lines-in-python other seems correct. My code is given below def angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX.. is given below def angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX tnAngle m1 m2 1 m1 m2 return.. angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX tnAngle m1 m2 1 m1 m2 return math.atan tnAngle..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python x y . This leads to code like the following pt1 1.0 5.0 pt2 2.5 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2.. pt2 2.5 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple it becomes more readable.. from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple it becomes more readable from collections..
How do I track motion using OpenCV in Python? http://stackoverflow.com/questions/3374828/how-do-i-track-motion-using-opencv-in-python contour contour.h_next pt1 bound_rect 0 bound_rect 1 pt2 bound_rect 0 bound_rect 2 bound_rect 1 bound_rect 3 points.append.. 1 bound_rect 3 points.append pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 if len.. pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 if len points center_point reduce lambda..
Python OpenCV: Detecting a general direction of movement? http://stackoverflow.com/questions/4496063/python-opencv-detecting-a-general-direction-of-movement contour contour.h_next pt1 bound_rect 0 bound_rect 1 pt2 bound_rect 0 bound_rect 2 bound_rect 1 bound_rect 3 points.append.. 1 bound_rect 3 points.append pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 num_points.. pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 num_points len points if num_points x 0..
http://stackoverflow.com/questions/8692/how-to-use-xpath-in-python
Finding shapes in an image using opencv http://stackoverflow.com/questions/8785664/finding-shapes-in-an-image-using-opencv for x y width height in regions pt1 x y pt2 x width y height if abs float width height E_ratio EPSILON color.. color 255 0 0 0 else color 0 0 255 0 cv.Rectangle rgb pt1 pt2 color 2 cv.ShowImage 'rgb' rgb cv.WaitKey 0 e.png y.png good..
Python module for storing and querying geographical coordinates http://stackoverflow.com/questions/9078776/python-module-for-storing-and-querying-geographical-coordinates geopy import geopy.distance pt1 geopy.Point 48.853 2.349 pt2 geopy.Point 52.516 13.378 dist geopy.distance.distance pt1 pt2.. geopy.Point 52.516 13.378 dist geopy.distance.distance pt1 pt2 .km # 878.25 afterwards you can query your lists of points pt..
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