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comparison python/moving.py @ 270:05c9b0cb8202

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updates for drawing
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 02 Aug 2012 05:35:57 -0400
parents 0c0b92f621f6
children 8d44fb1756bc
comparison
equal deleted inserted replaced
269:a9988971aac8 270:05c9b0cb8202
374 374
375 def addPosition(self, p): 375 def addPosition(self, p):
376 self.addPositionXY(p.x, p.y) 376 self.addPositionXY(p.x, p.y)
377 377
378 @staticmethod 378 @staticmethod
379 def _draw(positions, options = '', withOrigin = False, lastCoordinate = None, **kwargs): 379 def _draw(positions, options = '', withOrigin = False, lastCoordinate = None, timeStep = 1, **kwargs):
380 from matplotlib.pylab import plot 380 from matplotlib.pylab import plot
381 if lastCoordinate == None: 381 if lastCoordinate == None:
382 plot(positions[0], positions[1], options, **kwargs) 382 plot(positions[0][::timeStep], positions[1][::timeStep], options, **kwargs)
383 elif 0 <= lastCoordinate <= len(positions[0]): 383 elif 0 <= lastCoordinate <= len(positions[0]):
384 plot(positions[0][:lastCoordinate], positions[1][:lastCoordinate], options, **kwargs) 384 plot(positions[0][:lastCoordinate:timeStep], positions[1][:lastCoordinate:timeStep], options, **kwargs)
385 if withOrigin: 385 if withOrigin:
386 plot([positions[0][0]], [positions[1][0]], 'ro', **kwargs) 386 plot([positions[0][0]], [positions[1][0]], 'ro', **kwargs)
387 387
388 def project(self, homography): 388 def project(self, homography):
389 from numpy.core.multiarray import array 389 from numpy.core.multiarray import array
390 projected = cvutils.projectArray(homography, array(self.positions)) 390 projected = cvutils.projectArray(homography, array(self.positions))
391 return Trajectory(projected) 391 return Trajectory(projected)
392 392
393 def draw(self, options = '', withOrigin = False, **kwargs): 393 def draw(self, options = '', withOrigin = False, timeStep = 1, **kwargs):
394 Trajectory._draw(self.positions, options, withOrigin,**kwargs) 394 Trajectory._draw(self.positions, options, withOrigin, None, timeStep, **kwargs)
395 395
396 def drawAt(self, lastCoordinate, options = '', withOrigin = False, **kwargs): 396 def drawAt(self, lastCoordinate, options = '', withOrigin = False, timeStep = 1, **kwargs):
397 Trajectory._draw(self.positions, options, withOrigin, lastCoordinate, **kwargs) 397 Trajectory._draw(self.positions, options, withOrigin, lastCoordinate, timeStep, **kwargs)
398 398
399 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, **kwargs): 399 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs):
400 from matplotlib.pylab import plot 400 from matplotlib.pylab import plot
401 imgPositions = [[x*nPixelsPerUnitDistance for x in self.positions[0]], 401 imgPositions = [[x*nPixelsPerUnitDistance for x in self.positions[0]],
402 [-x*nPixelsPerUnitDistance+imageHeight for x in self.positions[1]]] 402 [-x*nPixelsPerUnitDistance+imageHeight for x in self.positions[1]]]
403 Trajectory._draw(imgPositions, options, withOrigin, **kwargs) 403 Trajectory._draw(imgPositions, options, withOrigin, timeStep, **kwargs)
404 404
405 def getXCoordinates(self): 405 def getXCoordinates(self):
406 return self.positions[0] 406 return self.positions[0]
407 407
408 def getYCoordinates(self): 408 def getYCoordinates(self):
566 return self.positions.getXCoordinates() 566 return self.positions.getXCoordinates()
567 567
568 def getYCoordinates(self): 568 def getYCoordinates(self):
569 return self.positions.getYCoordinates() 569 return self.positions.getYCoordinates()
570 570
571 def draw(self, options = '', withOrigin = False, **kwargs): 571 def draw(self, options = '', withOrigin = False, timeStep = 1, **kwargs):
572 self.positions.draw(options, withOrigin, **kwargs) 572 self.positions.draw(options, withOrigin, timeStep, **kwargs)
573 573
574 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, **kwargs): 574 def drawOnWorldImage(self, nPixelsPerUnitDistance, imageHeight, options = '', withOrigin = False, timeStep = 1, **kwargs):
575 self.positions.drawOnWorldImage(nPixelsPerUnitDistance, imageHeight, options, withOrigin, **kwargs) 575 self.positions.drawOnWorldImage(nPixelsPerUnitDistance, imageHeight, options, withOrigin, timeStep, **kwargs)
576 576
577 def play(self, videoFilename, homography = None): 577 def play(self, videoFilename, homography = None):
578 cvutils.displayTrajectories(videoFilename, [self], homography, self.getFirstInstant(), self.getLastInstant()) 578 cvutils.displayTrajectories(videoFilename, [self], homography, self.getFirstInstant(), self.getLastInstant())
579 579
580 def getInstantsCrossingLane(self, p1, p2): 580 def getInstantsCrossingLane(self, p1, p2):