Method getSteps

utils/motionblur.py:126–157

[summary] Here we calculate the length of the steps taken by the motion blur [description] We want a higher intensity lead to a longer total motion blur path and more different steps along the way. Hence we sample

()

        # first we find the lengths of the motion blur steps
        def getSteps():
            """[summary]
            Here we calculate the length of the steps taken by
            the motion blur
            [description]
            We want a higher intensity lead to a longer total motion
            blur path and more different steps along the way.

            Hence we sample

            MAX_PATH_LEN =[U(0,1) + U(0, intensity^2)] * diagonal * 0.75

            and each step: beta(1, 30) * (1 - self.INTENSITY + eps) * diagonal)
            """

            # getting max length of blur motion
            self.MAX_PATH_LEN = 0.75 * self.DIAGONAL * \
                (uniform() + uniform(0, self.INTENSITY**2))

            # getting step
            steps = []

            while sum(steps) < self.MAX_PATH_LEN:

                # sample next step
                step = beta(1, 30) * (1 - self.INTENSITY + eps) * self.DIAGONAL
                if step < self.MAX_PATH_LEN:
                    steps.append(step)

            # note the steps and the total number of steps
            self.NUM_STEPS = len(steps)
            self.STEPS = np.asarray(steps)

        def getAngles():
            """[summary]