# Import necessary module
from chimerax.core.commands import run

# Define your map model number
map_model_number = 1

# Define the range of threshold values you want to cycle through
# For example, from 0.1 to 1.0 in steps of 0.1
threshold_start = 0.1
threshold_end = 1.0
threshold_step = 0.1

# Define the number of frames for each threshold value
frames_per_threshold = 10

# Start recording the movie
run(session, 'movie record')

# Loop through the threshold values
current_threshold = threshold_start
while current_threshold <= threshold_end:
    # Set the threshold for the map
    run(session, f'volume #{map_model_number} level {current_threshold}')
    
    # Wait for the given number of frames
    run(session, f'wait {frames_per_threshold}')
    
    # Increment the threshold
    current_threshold += threshold_step

# Stop recording the movie
run(session, 'movie stop')

# Encode the movie to an MP4 file
run(session, 'movie encode output my_movie.mp4')