Animate matplotlib parametric example











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What is the SIMPLIST way to animate the Python matlabplot parametric example?



I want to update the data within a loop item by item. Sadly this looks terrible, and is always flashing every colour of the rainbow!
Is there a simple easy way that allows me to update data as it is calculated?



from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import

import numpy as np
import matplotlib.pyplot as plt
import math

plt.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = fig.gca(projection='3d')
i = 10
theta = 0
x=
y=
z=
# Prepare arrays x, y, z
while (theta < 4*np.pi):
theta += 0.05
z += [i]
r = i**2 + 1
x += [r * math.sin(theta)]
y += [r * math.cos(theta)]
i +=1

ax.plot(x, y, z)
plt.pause(0.01)









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  • Did you look at this example?
    – ImportanceOfBeingErnest
    Nov 22 at 19:45















up vote
0
down vote

favorite












What is the SIMPLIST way to animate the Python matlabplot parametric example?



I want to update the data within a loop item by item. Sadly this looks terrible, and is always flashing every colour of the rainbow!
Is there a simple easy way that allows me to update data as it is calculated?



from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import

import numpy as np
import matplotlib.pyplot as plt
import math

plt.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = fig.gca(projection='3d')
i = 10
theta = 0
x=
y=
z=
# Prepare arrays x, y, z
while (theta < 4*np.pi):
theta += 0.05
z += [i]
r = i**2 + 1
x += [r * math.sin(theta)]
y += [r * math.cos(theta)]
i +=1

ax.plot(x, y, z)
plt.pause(0.01)









share|improve this question
























  • Did you look at this example?
    – ImportanceOfBeingErnest
    Nov 22 at 19:45













up vote
0
down vote

favorite









up vote
0
down vote

favorite











What is the SIMPLIST way to animate the Python matlabplot parametric example?



I want to update the data within a loop item by item. Sadly this looks terrible, and is always flashing every colour of the rainbow!
Is there a simple easy way that allows me to update data as it is calculated?



from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import

import numpy as np
import matplotlib.pyplot as plt
import math

plt.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = fig.gca(projection='3d')
i = 10
theta = 0
x=
y=
z=
# Prepare arrays x, y, z
while (theta < 4*np.pi):
theta += 0.05
z += [i]
r = i**2 + 1
x += [r * math.sin(theta)]
y += [r * math.cos(theta)]
i +=1

ax.plot(x, y, z)
plt.pause(0.01)









share|improve this question















What is the SIMPLIST way to animate the Python matlabplot parametric example?



I want to update the data within a loop item by item. Sadly this looks terrible, and is always flashing every colour of the rainbow!
Is there a simple easy way that allows me to update data as it is calculated?



from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import

import numpy as np
import matplotlib.pyplot as plt
import math

plt.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = fig.gca(projection='3d')
i = 10
theta = 0
x=
y=
z=
# Prepare arrays x, y, z
while (theta < 4*np.pi):
theta += 0.05
z += [i]
r = i**2 + 1
x += [r * math.sin(theta)]
y += [r * math.cos(theta)]
i +=1

ax.plot(x, y, z)
plt.pause(0.01)






python animation matplotlib curve






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edited Nov 22 at 17:12

























asked Nov 22 at 16:49









DogBreath

296




296












  • Did you look at this example?
    – ImportanceOfBeingErnest
    Nov 22 at 19:45


















  • Did you look at this example?
    – ImportanceOfBeingErnest
    Nov 22 at 19:45
















Did you look at this example?
– ImportanceOfBeingErnest
Nov 22 at 19:45




Did you look at this example?
– ImportanceOfBeingErnest
Nov 22 at 19:45












1 Answer
1






active

oldest

votes

















up vote
0
down vote













Disclaimer, this uses a library I wrote called celluloid. There was some discussion about its merits in another answer. That being said here's basically your code with some celluloid lines sprinkled in:



import matplotlib
matplotlib.use('Agg')
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt
import math
from celluloid import Camera

plt.rcParams['legend.fontsize'] = 10
fig = plt.figure()
ax = fig.gca(projection='3d')
camera = Camera(fig)
i = 10
x=
y=
z=
# Prepare arrays x, y, z
for theta in np.arange(0, 4*np.pi, 0.05):
z += [i]
r = i**2 + 1
x += [r * math.sin(theta)]
y += [r * math.cos(theta)]
i +=1
ax.plot(x, y, z, color='blue')
camera.snap()
anim = camera.animate(blit=False, interval=10)
anim.save('3d.mp4')


Which can be turned into a gif like this:



enter image description here






share|improve this answer





















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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    0
    down vote













    Disclaimer, this uses a library I wrote called celluloid. There was some discussion about its merits in another answer. That being said here's basically your code with some celluloid lines sprinkled in:



    import matplotlib
    matplotlib.use('Agg')
    from mpl_toolkits.mplot3d import Axes3D
    import numpy as np
    import matplotlib.pyplot as plt
    import math
    from celluloid import Camera

    plt.rcParams['legend.fontsize'] = 10
    fig = plt.figure()
    ax = fig.gca(projection='3d')
    camera = Camera(fig)
    i = 10
    x=
    y=
    z=
    # Prepare arrays x, y, z
    for theta in np.arange(0, 4*np.pi, 0.05):
    z += [i]
    r = i**2 + 1
    x += [r * math.sin(theta)]
    y += [r * math.cos(theta)]
    i +=1
    ax.plot(x, y, z, color='blue')
    camera.snap()
    anim = camera.animate(blit=False, interval=10)
    anim.save('3d.mp4')


    Which can be turned into a gif like this:



    enter image description here






    share|improve this answer

























      up vote
      0
      down vote













      Disclaimer, this uses a library I wrote called celluloid. There was some discussion about its merits in another answer. That being said here's basically your code with some celluloid lines sprinkled in:



      import matplotlib
      matplotlib.use('Agg')
      from mpl_toolkits.mplot3d import Axes3D
      import numpy as np
      import matplotlib.pyplot as plt
      import math
      from celluloid import Camera

      plt.rcParams['legend.fontsize'] = 10
      fig = plt.figure()
      ax = fig.gca(projection='3d')
      camera = Camera(fig)
      i = 10
      x=
      y=
      z=
      # Prepare arrays x, y, z
      for theta in np.arange(0, 4*np.pi, 0.05):
      z += [i]
      r = i**2 + 1
      x += [r * math.sin(theta)]
      y += [r * math.cos(theta)]
      i +=1
      ax.plot(x, y, z, color='blue')
      camera.snap()
      anim = camera.animate(blit=False, interval=10)
      anim.save('3d.mp4')


      Which can be turned into a gif like this:



      enter image description here






      share|improve this answer























        up vote
        0
        down vote










        up vote
        0
        down vote









        Disclaimer, this uses a library I wrote called celluloid. There was some discussion about its merits in another answer. That being said here's basically your code with some celluloid lines sprinkled in:



        import matplotlib
        matplotlib.use('Agg')
        from mpl_toolkits.mplot3d import Axes3D
        import numpy as np
        import matplotlib.pyplot as plt
        import math
        from celluloid import Camera

        plt.rcParams['legend.fontsize'] = 10
        fig = plt.figure()
        ax = fig.gca(projection='3d')
        camera = Camera(fig)
        i = 10
        x=
        y=
        z=
        # Prepare arrays x, y, z
        for theta in np.arange(0, 4*np.pi, 0.05):
        z += [i]
        r = i**2 + 1
        x += [r * math.sin(theta)]
        y += [r * math.cos(theta)]
        i +=1
        ax.plot(x, y, z, color='blue')
        camera.snap()
        anim = camera.animate(blit=False, interval=10)
        anim.save('3d.mp4')


        Which can be turned into a gif like this:



        enter image description here






        share|improve this answer












        Disclaimer, this uses a library I wrote called celluloid. There was some discussion about its merits in another answer. That being said here's basically your code with some celluloid lines sprinkled in:



        import matplotlib
        matplotlib.use('Agg')
        from mpl_toolkits.mplot3d import Axes3D
        import numpy as np
        import matplotlib.pyplot as plt
        import math
        from celluloid import Camera

        plt.rcParams['legend.fontsize'] = 10
        fig = plt.figure()
        ax = fig.gca(projection='3d')
        camera = Camera(fig)
        i = 10
        x=
        y=
        z=
        # Prepare arrays x, y, z
        for theta in np.arange(0, 4*np.pi, 0.05):
        z += [i]
        r = i**2 + 1
        x += [r * math.sin(theta)]
        y += [r * math.cos(theta)]
        i +=1
        ax.plot(x, y, z, color='blue')
        camera.snap()
        anim = camera.animate(blit=False, interval=10)
        anim.save('3d.mp4')


        Which can be turned into a gif like this:



        enter image description here







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 24 at 2:13









        Jacques Kvam

        1,173921




        1,173921






























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