Write a (list of) NumPy array(s) to an (animated) GIF.
T = 0.7 T_c T = 0.88 T_c T = 1.06 T_c
Array2GIF provides a single top-level function, write_gif(), to write a 3-D NumPy array to a GIF, or a list of these arrays to an animated GIF. It works for me - just small animations of thermodynamics simulations - like the magnetization in the Ising model shown here.
Here is an example for a 2 pixel by 3 pixel animated GIF with two frames, switching 5 frames per second. All animations from this library will loop indefinitely.
import numpy as np from array2gif import write_gif dataset = [ np.array([ [[255, 0, 0], [255, 0, 0]], # red intensities [[0, 255, 0], [0, 255, 0]], # green intensities [[0, 0, 255], [0, 0, 255]] # blue intensities ]), np.array([ [[0, 0, 255], [0, 0, 255]], [[0, 255, 0], [0, 255, 0]], [[255, 0, 0], [255, 0, 0]] ]) ] write_gif(dataset, 'rgbbgr.gif', fps=5) # or for just a still GIF write_gif(dataset, 'rgb.gif')
pip install array2gif
pip install git+https://github.com/tanyaschlusser/array2gif.git#egg=array2gif
- Fixed issue where error was raised when non-integer dataset is used: instead now it is cast to uint8 and a warning is raised if there’s a difference between the two images.
- Addressed issue where no error is raised when there are more colors than possible in a GIF (256 max). Although it is possible to have a separate palette for every single frame, this is not implemented right now, and the initial global palette is used for the entire animation.
- Did not bump version in documentation last times.
- Fixed issue where the width and height of an image are swapped. This is clear in image editors but was not obvious when viewed in Chrome.
- It is now possible to use PIL ordering of data (rows x cols x rgb) in addition to the original ordering (rgb x rows x cols).
- Fixed issue where array2gif would raise ValueError when using a 4D NumPy array with perfectly valid data. Now it is possible to use either a list of 3D NumPy arrays, or a 4D NumPy array for animated gifs.
- One single function, write_gif.
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