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[experimental] Add an emulator.animate() function using manim #62

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[experimental] Add an emulator.animate() function using manim #62

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Start of an animate function
gully Sep 11, 2023
a402a29
Optional import
gully Sep 11, 2023
8f7de0e
uncomitted changes
gully Oct 6, 2023
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42 changes: 42 additions & 0 deletions src/blase/emulator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
from torch import nn
import numpy as np
from scipy.signal import find_peaks, peak_prominences, peak_widths
from scipy.special import voigt_profile
import torch.optim as optim
from tqdm import trange
from torch.special import erfc
Expand Down Expand Up @@ -327,6 +328,47 @@ def pseudo_voigt_profiles(self, wavelengths):
def optimize(self):
"""Optimize the model parameters"""
raise NotImplementedError


def animate(self, old_state_dict, size=1.5):
"""Animate the model from a previous state to the current state"""
try:
import manim
except ImportError:
print("Manim is required for the .animate() feature, but it is not installed. Please install manim and try again.")
return None

## Manim requires a scene class, so we'll make one here
class ArgMinExample(manim.Scene, size=0.9):
def construct(self, size):
ax = manim.Axes(
x_range=[-10, 10], y_range=[0, 1, 0.25], axis_config={"include_tip": False}
)
labels = ax.get_axis_labels(x_label=manim.Tex(r"$\lambda$"),
y_label=manim.Tex(r"$f(\lambda)$"))

graph1 = ax.plot(lambda x: 1 - 2*voigt_profile(x, 1.0, 0), color=manim.MAROON)
graph2 = ax.plot(lambda x: 1 - 2*voigt_profile(x, 1.0, size), color=manim.MAROON)

# Plot noisy data with manim:
x = np.linspace(-10, 10, 100)
y = 1 - 2*voigt_profile(x, 1.0, size)
y += np.random.normal(0, 0.03, y.shape)
coords = np.vstack((x,y)).T

dots = manim.VGroup(*[manim.Dot().move_to(ax.c2p(coord[0],coord[1])) for coord in coords])
self.add(dots)


self.add(ax, labels)
self.play(manim.Create(graph1))
self.play(manim.Transform(graph1, graph2))
self.play(manim.FadeOut(graph2))

scene = ArgMinExample(size=size)
scene.render(preview=False) # That's it!
return scene.renderer.file_writer.movie_file_path



class SparseLinearEmulator(LinearEmulator):
Expand Down