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comparison python/cvutils.py @ 223:c31722fcc9de

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minor modifications for integer drawing in OpenCV
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Tue, 26 Jun 2012 03:29:57 -0400
parents b5772df11b37
children 37a434fb848e
comparison
equal deleted inserted replaced
222:426321b46e44 223:c31722fcc9de
88 def draw(img, positions, color, lastCoordinate = None): 88 def draw(img, positions, color, lastCoordinate = None):
89 last = lastCoordinate+1 89 last = lastCoordinate+1
90 if lastCoordinate != None and lastCoordinate >=0: 90 if lastCoordinate != None and lastCoordinate >=0:
91 last = min(positions.length()-1, lastCoordinate) 91 last = min(positions.length()-1, lastCoordinate)
92 for i in range(0, last-1): 92 for i in range(0, last-1):
93 cv2.line(img, positions[i].astuple(), positions[i+1].astuple(), color) 93 cv2.line(img, positions[i].asint().astuple(), positions[i+1].asint().astuple(), color)
94 94
95 def playVideo(filename): 95 def playVideo(filename):
96 '''Plays the video''' 96 '''Plays the video'''
97 capture = cv2.VideoCapture(filename) 97 capture = cv2.VideoCapture(filename)
98 if capture.isOpened(): 98 if capture.isOpened():
140 if homography != None: 140 if homography != None:
141 obj.projectedPositions = obj.positions.project(homography) 141 obj.projectedPositions = obj.positions.project(homography)
142 else: 142 else:
143 obj.projectedPositions = obj.positions 143 obj.projectedPositions = obj.positions
144 draw(img, obj.projectedPositions, cvRed, frameNum-obj.getFirstInstant()) 144 draw(img, obj.projectedPositions, cvRed, frameNum-obj.getFirstInstant())
145 cv2.putText(img, '{0}'.format(obj.num), obj.projectedPositions[frameNum-obj.getFirstInstant()].astuple(), cv2.FONT_HERSHEY_PLAIN, 1, cvRed) 145 cv2.putText(img, '{0}'.format(obj.num), obj.projectedPositions[frameNum-obj.getFirstInstant()].asint().astuple(), cv2.FONT_HERSHEY_PLAIN, 1, cvRed)
146 cv2.imshow('frame', img) 146 cv2.imshow('frame', img)
147 key = cv2.waitKey(50) 147 key = cv2.waitKey(50)
148 frameNum += 1 148 frameNum += 1
149 149
150 def printCvMat(cvmat, out = stdout): 150 def printCvMat(cvmat, out = stdout):