def frame(step):
""" """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
full_circle = 2 * pi # One full circle equals exactly 2 times pi
# obtain molecules from function
create_molecules()
# Creation of RNA molecule
if step in range(0, n_frames // 5 * 2):
GUANINE.move_to([10, 0, 0])
ADENINE.move_to([-10, 0, 0])
CYTOSINE.move_to([0, 10, 0])
URACIL.move_to([0, -10, 0])
# # Sphere covering the RNA molecule
# if step in range(n_frames // 5 * 2, n_frames // 5 * 3):
#
# # RNA division
# if step in range(n_frames // 5 * 3, n_frames // 5 * 4):
#
# # Sphere division
# if step in range(n_frames // 5 * 4, n_frames):
# Return the Scene object for rendering
return Scene(models.floor_camera,
objects=[models.default_light] + GUANINE.povray_molecule)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
nframes = eval(SETTINGS.NumberFrames)
n_frames_loop = nframes / 5 # 16 frames per wave
stylebox = Texture(Pigment('color', [0.80, 0.00, 1.00], 'filter', 0.7),
Finish('phong', 0.6, 'reflection', 0.4))
x_start = -10
x_end = 10
x_distance = x_end - x_start
distance_per_frame = x_distance / nframes
y_start = 0
y_end = 4
y_distance = y_end - y_start
y_distance_per_frame = y_distance / n_frames_loop
iteratie = step // n_frames_loop
x_coord = x_start + step * distance_per_frame
correctie = iteratie * n_frames_loop
print(iteratie)
step = step - correctie
if step <= (n_frames_loop / 2):
y_coord = y_start + step * y_distance_per_frame
else:
y_coord = y_end - step * y_distance_per_frame
box = Box([x_coord, y_coord, 0], [x_coord + 2, y_coord + 2, 2], stylebox)
return Scene(models.default_camera,
objects=[box, models.default_ground, models.default_light])
def frame(step):
""" Creates a frame of a given frame (step) number. """
# Show some information about how far we are with rendering
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
# Calculates rotation positions
angle_per_frame = math.pi * 2 / nframes # Calculates how much the angle needs to move per frame
angle = angle_per_frame * step # Calculates the angle of the frame
# Gets locations
x = math.cos(angle) * 20
z = math.sin(angle) * 20
# Create objects
sphere = Sphere([6, 2, -2], 3, models.default_sphere_model)
cylinder = Cylinder([-6, -1, 4], [-6, 7, 4], 3, models.default_sphere_model)
legend_1 = legend([-15, 0, 0], 5)
camera = Camera('location', [x, 8, z], 'look_at', [0, 0, 0])
# Return the Scene object containing all objects for rendering
return Scene(camera,
objects=[sphere, models.default_light, models.checkered_ground, cylinder] + legend_1)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
# Show some information about how far we are with rendering
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
style = Texture(Pigment('color', [0.80, 0.00, 1.00], 'filter', 0.7),
Finish('phong', 0.6, 'reflection', 0.4))
cylinder = Cylinder([-6, -1, 4], [-6, 7, 4], 3, style)
sphere = Sphere([6, 2, -2], 3, style)
leg = legend([-15, 0, 0], 5)
radius = 25
z_start = 0
x_start = 0
#werkt allbei
# alpha = (-pi/2) + (step * 2 * pi / nframes)
alpha = pi / (nframes / 2) * step + 1
x_coord = radius * cos(alpha)
z_coord = radius * sin(alpha)
x = x_start + x_coord
z = z_start - z_coord
return Scene(
Camera('location', [x, 8, z], 'look_at', [0, 0, 0]),
objects=[
models.checkered_ground, models.default_light, cylinder, sphere
] + leg)
def main(args):
""" Main function of this program """
make_objects()
logger.info(" Total time: %d (frames: %d)", SETTINGS.Duration,
eval(SETTINGS.NumberFrames))
pypovray.render_scene_to_mp4(frame)
return 0
def frame(step):
""" Returns the scene at step number (1 step per frame) """
# Show some information about how far we are with rendering
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
# Start- and end-points
x_start = -10
x_end = 10
distance = x_end - x_start
# Calculate distance to move at each step
distance_per_frame = (distance / nframes) * 2
# Calculate new x-coordinate
if step < (nframes / 2):
# Move from left to right (starting at x = -10)
x_coord = x_start + step * distance_per_frame
else:
# Move from right to left (starting at x = 10)
x_coord = x_end - (step - (nframes / 2)) * distance_per_frame
# Create sphere at calculated x-coordinate using default model
sphere = Sphere([x_coord, 0, 0], 2, models.default_sphere_model)
# Return the Scene object containing all objects for rendering
return Scene(models.default_camera,
objects=[sphere, models.default_ground, models.default_light])
def main(args):
""" Main function performing the rendering """
logger.info(" Total time: %d (frames: %d)", SETTINGS.Duration,
eval(SETTINGS.NumberFrames))
pypovray.render_scene_to_mp4(frame)
return 0
def frame(step):
""" Returns the scene at step number (1 step per frame) """
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
nframes = eval(SETTINGS.NumberFrames)
style = Texture(Pigment('color', [0.80, 0.00, 1.00], 'filter', 0.7),
Finish('phong', 0.6, 'reflection', 0.4))
cylinder = Cylinder([-6, -1, 4], [-6, 7, 4], 3, style)
sphere = Sphere([6, 2, -2], 3, style)
leg = legend([-15, 0, 0], 5)
radius = 25
z_start = 0
x_start = 0
alpha = (-pi / 2) + (step * 2 * pi / nframes)
# For each step, de difference in the x and z positions is equal to the radius time the sin and cos of alpha.
x_coord = radius * cos(alpha)
z_coord = radius * sin(alpha)
# Adding or subtracting the difference of the position for each step from the original camera position.
x = x_start + x_coord
z = z_start - z_coord
return Scene(
Camera('location', [x, 8, z], 'look_at', [0, 0, 0]),
objects=[
models.checkered_ground, models.default_light, cylinder, sphere
] + leg)
def frame(step):
""" Makes an image/frame """
time_point = (step / TOTAL_FRAMES) * SETTINGS.Duration
logger.info(" @Time: %.4fs, Step: %d", time_point, step)
# Declaration of the end times of the scenes
global TP_END
TP_END = [4, 8, 11, 15, 18, 26, 32, 38, 44, 50, 58, 64]
# scene 0 1 2 3 4 5 6 7 8 9 10, 11
# Globals that change per frame
global TP_START, TP_DUR, TWITCH1, TWITCH2
TP_START, TP_DUR = get_time_point_data(TP_END)
TWITCH1, TWITCH2 = make_random_int()
if time_point < TP_END[0]:
scene = s0_intro_text()
elif time_point < TP_END[1]:
scene = s1_cell_overview()
elif time_point < TP_END[2]:
scene = s2_cell_zoom(step)
elif time_point < TP_END[3]:
scene = s3_in_cell()
elif time_point < TP_END[4]:
scene = s4_zoom_to_mrna(step)
elif time_point < TP_END[11]:
scene = scenes_mrna(step, time_point)
else:
text = Text('ttf', '"timrom.ttf"', '"Uh-oh, this ain\'t right"', 0, 0,
'translate', [-4, 0, 0], 'scale', [2, 2, 0],
models.text_model)
scene = Scene(models.default_camera,
objects=[models.default_light, text])
return scene
def frame(step):
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
nframes = eval(SETTINGS.NumberFrames)
style = Texture(Pigment('color', [0.80, 0.00, 1.00], 'filter', 0.7),
Finish('phong', 0.6, 'reflection', 0.4))
cylinder = Cylinder([-6, -1, 4], [-6, 7, 4], 3, style)
sphere = Sphere([6, 2, -2], 3, style)
leg = legend([-15, 0, 0], 5)
radius = 25
z_start = -25
x_start = 0
alpha = (-pi / 2) + (step * 2 * pi / nframes)
x_coord = radius * cos(alpha)
z_coord = radius * sin(alpha)
x = x_start + x_coord
z = z_start - z_coord
camera_x = 0
camera_z = -25
# x gaat links en rechts en z verder de diepte in en terug -25?
camera = Camera('location', [camera_x, 8, camera_z], 'look_at', [0, 0, 0])
return Scene(
camera,
objects=[
cylinder, sphere, models.default_light, models.checkered_ground
] + shapes,
included=['colors.inc'])
def main():
"""
Main function performing the rendering Prints user information to sceen and grabs settings
from settings file. Starts main render and creates .mp4 file
"""
logger.info(" Total time: %d (frames: %d)", SETTINGS.Duration,
eval(SETTINGS.NumberFrames))
pypovray.SETTINGS = load_config('default.ini')
pypovray.render_scene_to_mp4(frame)
return 0
def frame(step):
""" Returns a scene at a step number in which a sphere is visualised. """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# Calculate the frames per wave
repeats = 5
n_frames_wave = n_frames / repeats # amount of frames per wave
# Calculates starting coordinates of the sphere
increase = 4 # amount of increase per wave
x_start = -10
x_end = x_start + increase
y_start = -4
y_end = 4
# Calculates total distance and distance per frame
x_distance = x_end - x_start
y_distance = y_end - y_start
x_distance_per_frame = (x_distance / (n_frames_wave / 2))
y_distance_per_frame = (y_distance / (n_frames_wave / 2))
# Determine in which wave this step is
if step // n_frames_wave == 0:
wave = 0
else:
wave = step // n_frames_wave
# Step has to reset for every wave, so subtract frames of previous wave(s)
frame_in_wave = step - (wave * n_frames_wave)
# If it is in the first part of the wave
if frame_in_wave <= (n_frames_wave / 2):
x_coord = x_start + (
wave * increase
) + frame_in_wave * x_distance_per_frame # Increases linear
y_coord = y_start + frame_in_wave * y_distance_per_frame # Increases linear
# Second part of the wave
else:
x_coord = x_end + (wave * increase
) # Stays constant and increases 4 for every wave
y_coord = y_end - (
frame_in_wave -
(n_frames_wave / 2)) * y_distance_per_frame # Decreases linear
# Makes a sphere at given x- and Y-coordinates with the default style
sphere = Sphere([x_coord, y_coord, 0], 0.5, models.default_sphere_model)
# Returns the objects of the scene using the default camera settings
return Scene(models.default_camera,
objects=[sphere, models.default_ground, models.default_light])
def frame(step):
""" Renders an ATP molecule centered in the scene """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# Calculates distance per frame for the to be splitted molecule parts
x_start = 0
x_end = 8
x_distance = x_end - x_start
x_distance_per_frame = (x_distance / (n_frames / 2))
# Variables used for rotating of molecules
full_circle = 2 * pi # One full circle equals exactly 2 times pi
rotation_per_frame = full_circle / (n_frames / 2)
# creating the nucleotide
gtp = pdb.PDBMolecule('{}/pdb/gtp.pdb'.format(SETTINGS.AppLocation),
center=True)
gtp.rotate([1, 1, 1], [pi * 1.5, pi, pi / 2])
gtp.divide([11, 12, 13, 14, 15, 16, 17, 18], 'phosphate', offset=[
0, 0, 0
]) # removes two phosphate groups to create guanine nucleotide
guanine = gtp.divide(
[13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 28, 29, 34, 35],
'base',
offset=[4, 0, 0]) # splits into ribose-phosphate and the gaunine base
# In the first half of the animation: split the guanine nucleotide into guanine and ribose-phosphate
if step in range(0, n_frames // 2):
gtp.move_to([-step * x_distance_per_frame, 0, 0])
guanine.move_to([step * x_distance_per_frame, 0, 0])
# In the second half of the animation: rotate both molecules one full circle
if step in range(n_frames // 2, n_frames):
gtp.rotate([0, 1, 0], rotation_per_frame * (step - (n_frames / 2)))
guanine.rotate([1, 0, 0], rotation_per_frame * (step - (n_frames / 2)))
gtp.move_to([-n_frames // 2 * x_distance_per_frame, 0, 0])
guanine.move_to([n_frames // 2 * x_distance_per_frame, 0, 0])
# Return the Scene object for rendering
return Scene(models.floor_camera,
objects=[models.default_light] + gtp.povray_molecule +
guanine.povray_molecule)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
# Rotate the molecules updating its orientation (a persistent modification)
ETHANOL.rotate([1, 1, 0], RAD_PER_SCENE)
VIAGRA.rotate([1, 0, 1], RAD_PER_SCENE)
BENZENE.rotate([0, 1, 1], RAD_PER_SCENE)
# Combine molecule objects (an object.povray_molecule is a list of atoms, they need
# to be concatenated to be added to the scene)
molecules = ETHANOL.povray_molecule + VIAGRA.povray_molecule + BENZENE.povray_molecule
logger.info(' @Step: %s', step)
# Return a 'Scene' object containing -all- objects to render, i.e. the camera,
# light(s) and in this case, molecules too.
return Scene(models.default_camera,
objects=[models.default_light, FRONT_LIGHT] + molecules,
included=['colors.inc'])
def frame(step):
""" """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
full_circle = 2 * pi # One full circle equals exactly 2 times pi
# obtain molecules from function
create_molecules()
new_molecule = pdb(pdb=None, atoms= GUANINE , ADENINE)
print(new_molecule)
# Creation of RNA molecule
step_in_frame = step
two_fifth_of_animation = n_frames // 5 * 2
def frame(step):
""" Returns the scene at step number (1 step per frame) """
# Show some information about how far we are with rendering
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
# Create molecule
atp = pdb.PDBMolecule('{}/pdb/ATP_ideal.pdb'.format(SETTINGS.AppLocation),
center=True)
atp.move_to([0, 5, 0])
# Creates phospate sliced molecule
phosphate = atp.divide([0, 1, 2, 3, 7, 31, 32], 'phosphate')
# Creates other objects
camera = Camera('location', [25, 5, 10], 'look_at', [0, 5, 0])
light = LightSource([25, 5, 10], 'color', [1, 1, 1])
# Splicing the molecules animation
if step <= 20 and step > 5:
y = (0 - 4 / 15) * (step - 5) # Moves for 15 frames, -4x in total
phosphate.move_offset([0, y, 0])
# Keeping the phospate in it's position after it moved
elif step > 5:
y = (0 - 4 / 15) * (
20 - 5) # Moves it like the 20th frame to keep it's position
phosphate.move_offset([0, y, 0])
# Rotating the molecules
if step >= 30 and step < 70:
phosphate.rotate([1, 0, 0], np.pi * 2 / 40 *
(step - 30)) # Rotates it for 40 frames, 1 - 2pi
atp.rotate([0, 1, 0], np.pi * 2 / 40 * (step - 30))
# Return the Scene object containing all objects for rendering
return Scene(
camera,
objects=[models.checkered_ground, models.default_light, light] +
atp.povray_molecule + phosphate.povray_molecule)
def __init__(self,
pdb_file,
center=True,
offset=[0, 0, 0],
atoms=False,
model=None):
""" Parses and renders the molecule given a PDB file """
# If a list of atoms is provided, use these instead of a PDB file
# This allows dividing the molecule in segments, see divide()
if atoms:
self.atoms = atoms
else:
self._parse_pdb(pdb_file)
self.povray_molecule = []
# Molecule name
self.molecule = pdb_file
self.warnings = set()
# If an offset is provided, apply this
self.offset = np.array(offset)
if np.count_nonzero(self.offset) > 0:
self._recenter_molecule()
self.center = self._center_of_mass()
# Center the molecule based on the 'pseudo' center of mass
if center:
self.center_molecule()
self.center = self._center_of_mass()
logger.info(
"Created a molecule from '%s' placed at [%s] (centered is %d)",
pdb_file,
', '.join([str(coord)
for coord in np.around(self.center, 2)]), center)
# Required for the labels
self.show_name = False
self.show_index = False
self.camera = None
self.model = model
self.render_molecule(offset)
def _run_ffmpeg():
""" Builds the ffmpeg command to render an MP4 movie file using the
h.x264 codex and yuv420p format """
ff = ffmpy.FFmpeg(
# Input is a pattern for all image files ordered by number (padded)
inputs={
'':
'-framerate {} -pattern_type glob -i {}/{}_*.png'.format(
SETTINGS.RenderFPS, SETTINGS.OutputImageDir,
SETTINGS.OutputPrefix)
},
outputs={
'{}/{}.mp4'.format(SETTINGS.OutputMovieDir, SETTINGS.OutputPrefix):
'-c:v libx264 -r {} -crf 2 -pix_fmt yuv420p -loglevel warning'.
format(SETTINGS.MovieFPS)
})
# Run ffmpeg and create output movie file
logger.info('["%s"] - ffmpeg command: "%s"',
sys._getframe().f_code.co_name, ff.cmd)
ff.run()
def frame(step):
""" Returns a scene at a step number while camera is moving """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# Calculates coordinates for the camera position
radius = 25
degrees = pi / (n_frames / 2) * (step + 1)
x_coord = radius * sin(degrees)
z_coord = radius * cos(degrees)
# Returns the objects of the scene using the default camera settings
return Scene(
Camera('location', [x_coord, 8, z_coord], 'look_at', [0, 0, 0]),
objects=[LightSource([2, 8, -20], 2), models.checkered_ground] +
SPHERE + CYLINDER + LEGEND)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
x_start = -10
x_end = 10
distance_x = x_end - x_start
distance_per_frame_x = (distance_x / nframes) * 2
x_coord = x_start + step * distance_per_frame_x
y_coord = sin(x_coord)
sphere = (Sphere([x_coord, y_coord, 0], 3, models.default_sphere_model))
return Scene(models.default_camera,
objects=[sphere, models.default_ground, models.default_light])
def frame(step):
""" Renders an animation in which the molecules are split
and rotate one full circle around its axis """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# Calculates distance per frame for the two molecules
x_start = 0
x_end = 8
x_distance = x_end - x_start
x_distance_per_frame = (x_distance / (n_frames / 2))
# Variables used for rotating of molecules
full_circle = 2 * pi # One full circle equals exactly 2 times pi
rotation_per_frame = full_circle / (n_frames / 2)
# obtain molecules from function
create_molecules()
# In the 1st half of animation: split the guanine nucleotide into guanine and ribose-phosphate
if step in range(0, n_frames // 2):
GTP.move_to([-step * x_distance_per_frame, 0, 0])
GUANINE.move_to([step * x_distance_per_frame, 0, 0])
# In the 2nd half of animation: rotate both molecules one full circle
if step in range(n_frames // 2, n_frames):
GTP.rotate([0, 1, 0], rotation_per_frame * (step - (n_frames / 2)))
GUANINE.rotate([1, 0, 0], rotation_per_frame * (step - (n_frames / 2)))
GTP.move_to([-n_frames // 2 * x_distance_per_frame, 0, 0])
GUANINE.move_to([n_frames // 2 * x_distance_per_frame, 0, 0])
# Return the Scene object for rendering
return Scene(models.floor_camera,
objects=[models.default_light] + GTP.povray_molecule +
GUANINE.povray_molecule)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
logger.info("@ Step %d", step)
# The Ethanol molecule is moved on a trajectory representing a 'figure 8' or the infinity
# symbol by calculating the x- and y-coordinates using the lemniscate of Bernoulli.
alpha = 9
scale = alpha * math.sqrt(2)
radians = step * RAD_PER_SCENE
x = scale * math.cos(radians) / \
(math.sin(radians) ** 2 + 1)
y = scale * math.cos(radians) * \
math.sin(radians) / \
(math.sin(radians)**2 + 1)
# Draws spheres on each of the calculated x,y coordinates
TRACER.append(Sphere([x, y, -4], 0.2, models.default_sphere_model))
# Copying the full molecule - only needed for multithreading
# This is required for multithreading
ethanol = copy.deepcopy(ETHANOL)
# Move the molecule to the calculated coordinates
ethanol.move_to([x, y, -5])
# Rotate the molecule on x- and y-axes
# NOTE: default rotate does NOT work when using a thread-pool,
# use the molecule.rotate_by_step method instead
ethanol.rotate_by_step([1, 0, 0], RAD_PER_SCENE, step)
# Return a 'Scene' object containing -all- objects to render, i.e. the camera,
# lights and in this case, a molecule and a list of spheres (TRACER).
return Scene(models.default_camera,
objects=[models.default_light, FRONT_LIGHT] +
ethanol.povray_molecule + TRACER,
included=['colors.inc'])
def frame(step):
""" Returns the scene at the given step """
# Show some information about how far we are with rendering
curr_time = step * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
## Rotating sphere, placed in the center
sphere_rad = 1.8
sphere = Sphere([0, 0, 0], sphere_rad,
Pigment('color', [0.9, 0.05, 0.05], 'filter', 0.7),
Interior('ior', 1), Finish('phong', 0.6, 'reflection', 0.4))
# Intersecting cylinder object
rod = Cylinder([0, 0, 3], [0, 0, -3],
1.0, 'open', Pigment('color', [1, 0, 0], 'filter', 0.8),
Interior('ior', 1), Finish('phong', 0, 'reflection', 0))
# 'Hollow out' the rotating sphere with the intersecting cylinder using the Difference,
# move to a spot on the circle (top) and rotate on the x-axis
traveller = Difference(sphere, rod, 'translate', [RADIUS, 0, 0],
'rotate', [0, 360/eval(SETTINGS.NumberFrames)*step*2, 0])
return Scene(CAMERA, objects=[GROUND, MAIN_LIGHT, BACK_LIGHT, traveller] + RING)
def frame(step):
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
n_frames = eval(SETTINGS.NumberFrames)
n_frames_loop = n_frames / 5 # amount of frames per loop
x_start = -10
x_end = x_start + 4
x_distance = x_end - x_start
x_distance_per_frame = (x_distance / (n_frames_loop / 2))
y_start = -4
y_end = 4
y_distance = y_end - y_start
y_distance_per_frame = (y_distance / (n_frames_loop / 2))
# determine loop step
if step - 1 // n_frames_loop == 0:
loop = 0
else:
loop = step // n_frames_loop
frame_in_loop = step - (loop * n_frames_loop)
if frame_in_loop <= (n_frames_loop / 2):
x_coord = x_start + (loop * 4) + frame_in_loop * x_distance_per_frame
y_coord = y_start + frame_in_loop * y_distance_per_frame
else:
x_coord = x_end + (loop * 4)
y_coord = y_end - (frame_in_loop -
(n_frames_loop / 2)) * y_distance_per_frame
sphere = Sphere([x_coord, y_coord, 0], 0.5, models.default_sphere_model)
return Scene(models.default_camera,
objects=[sphere, models.default_ground, models.default_light])
def frame(step):
""" """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# obtain molecules from function
create_molecules()
# Creation of RNA molecule
step_in_frame = step
two_fifth_of_animation = n_frames // 5 * 2
if step in range(0, two_fifth_of_animation):
create_first_part(step_in_frame, two_fifth_of_animation)
# Return the Scene object for rendering
return Scene(Camera('location', [0, 0, -50], 'look_at', [0, 0, 0]),
objects=[models.default_light] + URACIL_ONE.povray_molecule +
ADENINE.povray_molecule + ADENINE_TWO.povray_molecule +
GUANINE.povray_molecule + CYTOSINE.povray_molecule)
def frame(step):
""" Returns a scene at a step number while camera is moving. """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
# Calculates coordinates for the camera position
radius = 25
degrees = pi / (n_frames / 2) * (step + 1)
x_coord = radius * sin(degrees)
z_coord = radius * cos(degrees)
# Makes objects at given coordinates
sphere = Sphere([6, 2, -2], 3, models.default_sphere_model)
cylinder = Cylinder([-6, -1, 4], [-6, 7, 4], 3, models.default_sphere_model)
xyz_legend = legend([-15, 0, 0], 5)
# Returns the objects of the scene using the default camera settings
return Scene(Camera('location', [x_coord, 8, z_coord], 'look_at', [0, 0, 0]),
objects=[LightSource([2, 8, -20], 2),
models.checkered_ground, sphere, cylinder] + xyz_legend)
def frame(step):
""" Returns the scene at step number (1 step per frame) """
cylinder = Cylinder([-6, -1, 4], [-6, 8, 4], 4,
models.default_sphere_model)
sphere = Sphere([6, 2, -2], 3, models.default_sphere_model)
xyz_legend = legend([-15, 0, 0], 5)
# Show some information about how far we are with rendering
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Getting the total number of frames, see the configuration file
nframes = eval(SETTINGS.NumberFrames)
distance_per_frame = 50 / nframes
z_start = -25
z_end = 25
if step < (nframes / 2):
z = z_start + step * distance_per_frame
x = math.sqrt(25**2 - z**2)
else:
z = z_end - step * distance_per_frame
x = -1 * math.sqrt(25**2 - z**2)
camera = Camera('location', [x, 8, z], 'look_at', [0, 0, 0])
# Return the Scene object containing all objects for rendering
return Scene(camera,
objects=[
sphere, cylinder, models.checkered_ground,
models.default_light
])
def main(args):
""" Main function that will run other functions """
logger.info(" Total time: %d (frames: %d)", SETTINGS.Duration, eval(SETTINGS.NumberFrames))
pypovray.render_scene_to_gif(frame)
return 0
def frame(step):
""" """
# Feedback to user in terminal about render status
curr_time = step / eval(SETTINGS.NumberFrames) * eval(SETTINGS.FrameTime)
logger.info(" @Time: %.3fs, Step: %d", curr_time, step)
# Calculates the total frames
n_frames = eval(SETTINGS.NumberFrames)
full_circle = 2 * pi # One full circle equals exactly 2 times pi
# obtain molecules from function
create_molecules()
step_in_frame = step
two_fifth_of_animation = n_frames // 5 * 2
three_fifth_of_animation = n_frames // 5 * 3
VESICLE = Sphere([100, 0, 0], 20, Texture(Pigment('color', [0.7, 1, 1], 'filter', 0.6),
Finish('phong', 0.4, 'reflection', 0.2)))
camera_z = -100
# Creation of RNA molecule
if step in range(0, two_fifth_of_animation):
create_first_part(step_in_frame, two_fifth_of_animation + 1)
# Sphere covering the RNA molecule
if step in range(two_fifth_of_animation, three_fifth_of_animation + 1):
NUCL_1.move_offset([50, 0, 0])
NUCL_2.move_offset([50, 0, 0])
NUCL_3.move_offset([50, 0, 0])
NUCL_4.move_offset([50, 0, 0])
NUCL_5.move_offset([50, 0, 0])
NUCL_6.move_offset([50, 0, 0])
NUCL_7.move_offset([50, 0, 0])
step_in_frame = step - two_fifth_of_animation
x_start = 100
x_end = -50
distance_x = x_end - x_start
distance_per_frame_x = (distance_x / three_fifth_of_animation) * 2
x_coord = x_start + step_in_frame * distance_per_frame_x
y_coord = 2 * sin(x_coord/5)
print(y_coord)
VESICLE = Sphere([x_coord, y_coord, 0], 20, Texture(Pigment('color', [0.7, 1, 1], 'filter', 0.6),
Finish('phong', 0.4, 'reflection', 0.2)))
# Vesicle growth
if step in range(n_frames // 5 * 3, n_frames // 5 * 4 + 1):
NUCL_1.move_offset([50, 0, 0])
NUCL_2.move_offset([50, 0, 0])
NUCL_3.move_offset([50, 0, 0])
NUCL_4.move_offset([50, 0, 0])
NUCL_5.move_offset([50, 0, 0])
NUCL_6.move_offset([50, 0, 0])
NUCL_7.move_offset([50, 0, 0])
VESICLE = Sphere([0, 0, 0], 20, Texture(Pigment('color', [0.7, 1, 1], 'filter', 0.6),
Finish('phong', 0.4, 'reflection', 0.2)))
# camere movement
if step in range(n_frames // 5 * 3, n_frames // 5 * 4 // 2):
camera_z_start = -100
camera_z_end = -150
distance_camera_z = camera_z_end - camera_z_start
z_camera_coord = step_in_frame * distance_per_frame - camera_z_start
# # Sphere division
# if step in range(n_frames // 5 * 4, n_frames):
# Return the Scene object for rendering
return Scene(Camera('location', [0, 0, camera_z], 'look_at', [0, 0, 0]),
objects=[models.default_light, VESICLE] + NUCL_1.povray_molecule + NUCL_2.povray_molecule +
NUCL_3.povray_molecule + NUCL_4.povray_molecule + NUCL_5.povray_molecule +
NUCL_6.povray_molecule + NUCL_7.povray_molecule)
if time_point < TP_END[0]:
scene = s0_intro_text()
elif time_point < TP_END[1]:
scene = s1_cell_overview()
elif time_point < TP_END[2]:
scene = s2_cell_zoom(step)
elif time_point < TP_END[3]:
scene = s3_in_cell()
elif time_point < TP_END[4]:
scene = s4_zoom_to_mrna(step)
elif time_point < TP_END[11]:
scene = scenes_mrna(step, time_point)
else:
text = Text('ttf', '"timrom.ttf"', '"Uh-oh, this ain\'t right"', 0, 0,
'translate', [-4, 0, 0], 'scale', [2, 2, 0],
models.text_model)
scene = Scene(models.default_camera,
objects=[models.default_light, text])
return scene
if __name__ == "__main__":
logger.info(" Total time: %ds (frames: %d)", SETTINGS.Duration,
TOTAL_FRAMES)
time_points = [56, 64]
render_frames = [int(i * SETTINGS.RenderFPS) for i in time_points]
pypovray.render_scene_to_mp4(frame)
# pypovray.render_scene_to_mp4(frame, range(render_frames[0], render_frames[1]))