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comparison python/moving.py @ 515:727e3c529519

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renamed all draw functions to plot for consistency
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 06 Jun 2014 14:10:42 -0400
parents a40c75f04903
children bce1fe45d1b2
comparison
equal deleted inserted replaced
514:1ba618fb0f70 515:727e3c529519
177 return Point(-self.x, -self.y) 177 return Point(-self.x, -self.y)
178 178
179 def multiply(self, alpha): 179 def multiply(self, alpha):
180 return Point(self.x*alpha, self.y*alpha) 180 return Point(self.x*alpha, self.y*alpha)
181 181
182 def draw(self, options = 'o', **kwargs): 182 def plot(self, options = 'o', **kwargs):
183 from matplotlib.pylab import plot 183 from matplotlib.pylab import plot
184 plot([self.x], [self.y], options, **kwargs) 184 plot([self.x], [self.y], options, **kwargs)
185 185
186 def norm2Squared(self): 186 def norm2Squared(self):
187 '''2-norm distance (Euclidean distance)''' 187 '''2-norm distance (Euclidean distance)'''
358 return FlowVector(self.position+other.position, self.velocity+other.velocity) 358 return FlowVector(self.position+other.position, self.velocity+other.velocity)
359 359
360 def multiply(self, alpha): 360 def multiply(self, alpha):
361 return FlowVector(self.position.multiply(alpha), self.velocity.multiply(alpha)) 361 return FlowVector(self.position.multiply(alpha), self.velocity.multiply(alpha))
362 362
363 def draw(self, options = '', **kwargs): 363 def plot(self, options = '', **kwargs):
364 from matplotlib.pylab import plot 364 from matplotlib.pylab import plot
365 plot([self.position.x, self.position.x+self.velocity.x], [self.position.y, self.position.y+self.velocity.y], options, **kwargs) 365 plot([self.position.x, self.position.x+self.velocity.x], [self.position.y, self.position.y+self.velocity.y], options, **kwargs)
366 self.position.draw(options+'x', **kwargs) 366 self.position.plot(options+'x', **kwargs)
367 367
368 @staticmethod 368 @staticmethod
369 def similar(f1, f2, maxDistance2, maxDeltavelocity2): 369 def similar(f1, f2, maxDistance2, maxDeltavelocity2):
370 return (f1.position-f2.position).norm2Squared()<maxDistance2 and (f1.velocity-f2.velocity).norm2Squared()<maxDeltavelocity2 370 return (f1.position-f2.position).norm2Squared()<maxDistance2 and (f1.velocity-f2.velocity).norm2Squared()<maxDeltavelocity2
371 371
472 def duplicateLastPosition(self): 472 def duplicateLastPosition(self):
473 self.positions[0].append(self.positions[0][-1]) 473 self.positions[0].append(self.positions[0][-1])
474 self.positions[1].append(self.positions[1][-1]) 474 self.positions[1].append(self.positions[1][-1])
475 475
476 @staticmethod 476 @staticmethod
477 def _draw(positions, options = '', withOrigin = False, lastCoordinate = None, timeStep = 1, **kwargs): 477 def _plot(positions, options = '', withOrigin = False, lastCoordinate = None, timeStep = 1, **kwargs):
478 from matplotlib.pylab import plot 478 from matplotlib.pylab import plot
479 if lastCoordinate == None: 479 if lastCoordinate == None:
480 plot(positions[0][::timeStep], positions[1][::timeStep], options, **kwargs) 480 plot(positions[0][::timeStep], positions[1][::timeStep], options, **kwargs)
481 elif 0 <= lastCoordinate <= len(positions[0]): 481 elif 0 <= lastCoordinate <= len(positions[0]):
482 plot(positions[0][:lastCoordinate:timeStep], positions[1][:lastCoordinate:timeStep], options, **kwargs) 482 plot(positions[0][:lastCoordinate:timeStep], positions[1][:lastCoordinate:timeStep], options, **kwargs)
484 plot([positions[0][0]], [positions[1][0]], 'ro', **kwargs) 484 plot([positions[0][0]], [positions[1][0]], 'ro', **kwargs)
485 485
486 def project(self, homography): 486 def project(self, homography):
487 return Trajectory(cvutils.projectTrajectory(homography, self.positions)) 487 return Trajectory(cvutils.projectTrajectory(homography, self.positions))
488 488
489 def draw(self, options = '', withOrigin = False, timeStep = 1, **kwargs): 489 def plot(self, options = '', withOrigin = False, timeStep = 1, **kwargs):
490 Trajectory._draw(self.positions, options, withOrigin, None, timeStep, **kwargs) 490 Trajectory._plot(self.positions, options, withOrigin, None, timeStep, **kwargs)
491 491
492 def drawAt(self, lastCoordinate, options = '', withOrigin = False, timeStep = 1, **kwargs): 492 def plotAt(self, lastCoordinate, options = '', withOrigin = False, timeStep = 1, **kwargs):
493 Trajectory._draw(self.positions, options, withOrigin, lastCoordinate, timeStep, **kwargs) 493 Trajectory._plot(self.positions, options, withOrigin, lastCoordinate, timeStep, **kwargs)
494 494
495 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs): 495 def plotOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs):
496 from matplotlib.pylab import plot 496 from matplotlib.pylab import plot
497 imgPositions = [[x*nPixelsPerUnitDistance for x in self.positions[0]], 497 imgPositions = [[x*nPixelsPerUnitDistance for x in self.positions[0]],
498 [-x*nPixelsPerUnitDistance+imageHeight for x in self.positions[1]]] 498 [-x*nPixelsPerUnitDistance+imageHeight for x in self.positions[1]]]
499 Trajectory._draw(imgPositions, options, withOrigin, timeStep, **kwargs) 499 Trajectory._plot(imgPositions, options, withOrigin, timeStep, **kwargs)
500 500
501 def getXCoordinates(self): 501 def getXCoordinates(self):
502 return self.positions[0] 502 return self.positions[0]
503 503
504 def getYCoordinates(self): 504 def getYCoordinates(self):
745 return self.positions.getXCoordinates() 745 return self.positions.getXCoordinates()
746 746
747 def getYCoordinates(self): 747 def getYCoordinates(self):
748 return self.positions.getYCoordinates() 748 return self.positions.getYCoordinates()
749 749
750 def draw(self, options = '', withOrigin = False, timeStep = 1, **kwargs): 750 def plot(self, options = '', withOrigin = False, timeStep = 1, **kwargs):
751 self.positions.draw(options, withOrigin, timeStep, **kwargs) 751 self.positions.plot(options, withOrigin, timeStep, **kwargs)
752 752
753 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs): 753 def plotOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs):
754 self.positions.drawOnWorldImage(nPixelsPerUnitDistance, imageHeight, options, withOrigin, timeStep, **kwargs) 754 self.positions.plotOnWorldImage(nPixelsPerUnitDistance, imageHeight, options, withOrigin, timeStep, **kwargs)
755 755
756 def play(self, videoFilename, homography = None): 756 def play(self, videoFilename, homography = None):
757 cvutils.displayTrajectories(videoFilename, [self], homography, self.getFirstInstant(), self.getLastInstant()) 757 cvutils.displayTrajectories(videoFilename, [self], homography, self.getFirstInstant(), self.getLastInstant())
758 758
759 def speedDiagnostics(self, framerate = 1., display = False): 759 def speedDiagnostics(self, framerate = 1., display = False):
763 coef = utils.linearRegression(range(len(speeds)), speeds) 763 coef = utils.linearRegression(range(len(speeds)), speeds)
764 print('min/5th perc speed: {} / {}\nspeed diff: {}\nspeed stdev: {}\nregression: {}'.format(min(speeds), scoreatpercentile(speeds, 5), speeds[-2]-speeds[1], std(speeds), coef[0])) 764 print('min/5th perc speed: {} / {}\nspeed diff: {}\nspeed stdev: {}\nregression: {}'.format(min(speeds), scoreatpercentile(speeds, 5), speeds[-2]-speeds[1], std(speeds), coef[0]))
765 if display: 765 if display:
766 from matplotlib.pyplot import figure, plot, axis 766 from matplotlib.pyplot import figure, plot, axis
767 figure(1) 767 figure(1)
768 self.draw() 768 self.plot()
769 axis('equal') 769 axis('equal')
770 figure(2) 770 figure(2)
771 plot(list(self.getTimeInterval()), speeds) 771 plot(list(self.getTimeInterval()), speeds)
772 772
773 @staticmethod 773 @staticmethod
842 def plotRoadUsers(objects, colors): 842 def plotRoadUsers(objects, colors):
843 '''Colors is a PlottingPropertyValues instance''' 843 '''Colors is a PlottingPropertyValues instance'''
844 from matplotlib.pyplot import figure, axis 844 from matplotlib.pyplot import figure, axis
845 figure() 845 figure()
846 for obj in objects: 846 for obj in objects:
847 obj.draw(colors.get(obj.userType)) 847 obj.plot(colors.get(obj.userType))
848 axis('equal') 848 axis('equal')
849 849
850 850
851 if __name__ == "__main__": 851 if __name__ == "__main__":
852 import doctest 852 import doctest