def construct(self):
self.add(Image_coordinate_system(downsampled=True))
self.camera.frame_center.shift(2 * OUT)
self.set_camera_orientation(phi=75 * DEGREES,
theta=-60 * DEGREES) # 2.5D
k_math = FourierMathJuggling()
k_math.k_from_real_in_old_woman() # has a 601x601 resolution
pixels = k_math.get_pixels()
img_in_real = k_math.get_real_in()
self.cut_off_the_top = 170
img_kamp, img_kph = k_math.get_amp_and_ph_DOWNSAMPLED(
cut_off_the_top=self.cut_off_the_top
) # here we have a cut_off_the_top, e.g. 2
pixels_DOWNSAMPLED = k_math.get_pixels_DOWNSAMPLED()
k_disp = KSpace(pixel_len=pixels_DOWNSAMPLED)
k_disp.overshoot_factor = 1.8
k_disp.fill_k_space_updater(img_kamp, new_amp_max=True)
k_disp.set_shade_in_3d(True)
self.add(k_disp)
k_disp.set_magic_gauss(0, sigma=0.9, mode="lowpass")
real_in = ImageMobject(np.uint8(img_in_real)).scale(1.5)
real_in.to_edge(UL)
real_text_in = TextMobject("Input").next_to(real_in, DOWN)
self.add_fixed_in_frame_mobjects(real_in, real_text_in)
img_out_real = k_math.get_real_out()
real_out = ImageMobject(np.uint8(img_out_real)).scale(1.5)
real_out.to_edge(UR)
real_text = TextMobject("Real-Space").next_to(real_out, DOWN)
self.add_fixed_in_frame_mobjects(real_out, real_text)
self.play(Write(k_disp.magic_plane), rate_func=linear, run_time=2.5)
def construct(self):
#self.add(Image_coordinate_system(downsampled=True))
self.camera.frame_center.shift(2 * OUT)
self.set_camera_orientation(phi=75 * DEGREES,
theta=-60 * DEGREES) # 2.5D
k_math = FourierMathJuggling()
k_math.k_from_real_in_from_star()
k_math.img_k_space[9, 9] = k_math.img_k_space[9, 9] / 4
p = k_math.get_pixels()
k_disp = KSpace(pixel_len=19)
k_disp.overshoot_factor = 0.09
k_disp.amp_max = 1000
k_disp.fill_k_space_updater(k_math.get_amp_k_only())
k_disp.set_magic_gauss(0.8, sigma=0.9, mode="lowpass")
k_disp.set_shade_in_3d(True)
self.add(k_disp)
self.wait()