def get_tex_config():
"""
Returns a dict which should look something like this:
{
"executable": "latex",
"template_file": "tex_template.tex",
"intermediate_filetype": "dvi",
"text_to_replace": "YourTextHere",
"tex_body": "..."
}
"""
# Only load once, then save thereafter
if not SAVED_TEX_CONFIG:
custom_config = get_custom_config()
SAVED_TEX_CONFIG.update(custom_config["tex"])
# Read in template file
template_filename = os.path.join(
get_manim_dir(),
"manimlib",
"tex_templates",
SAVED_TEX_CONFIG["template_file"],
)
with open(template_filename, "r", encoding="utf-8") as file:
SAVED_TEX_CONFIG["tex_body"] = file.read()
return SAVED_TEX_CONFIG
def get_customization():
if not CUSTOMIZATION:
CUSTOMIZATION.update(config.get_custom_config())
directories = CUSTOMIZATION["directories"]
# Unless user has specified otherwise, use the system default temp
# directory for storing tex files, mobject_data, etc.
if not directories["temporary_storage"]:
directories["temporary_storage"] = tempfile.gettempdir()
# Assumes all shaders are written into manimlib/shaders
directories["shaders"] = os.path.join(get_manim_dir(), "manimlib",
"shaders")
return CUSTOMIZATION
def get_tex_config():
"""
Returns a dict which should look something like this:
{
"text_to_replace": "YourTextHere",
"template_file": "tex_template.tex",
"tex_body": "..."
}
"""
# Only load once, then save thereafter
if not SAVED_TEX_CONFIG:
custom_config = get_custom_config()
SAVED_TEX_CONFIG.update(custom_config["tex"])
return SAVED_TEX_CONFIG
def embed(self, close_scene_on_exit: bool = True) -> None:
if not self.preview:
# If the scene is just being
# written, ignore embed calls
return
self.stop_skipping()
self.linger_after_completion = False
self.update_frame()
# Save scene state at the point of embedding
self.save_state()
from IPython.terminal.embed import InteractiveShellEmbed
shell = InteractiveShellEmbed()
# Have the frame update after each command
shell.events.register('post_run_cell',
lambda *a, **kw: self.refresh_static_mobjects())
shell.events.register('post_run_cell',
lambda *a, **kw: self.update_frame())
# Use the locals of the caller as the local namespace
# once embedded, and add a few custom shortcuts
local_ns = inspect.currentframe().f_back.f_locals
local_ns["touch"] = self.interact
local_ns["i2g"] = self.ids_to_group
for term in ("play", "wait", "add", "remove", "clear", "save_state",
"restore"):
local_ns[term] = getattr(self, term)
log.info(
"Tips: Now the embed iPython terminal is open. But you can't interact with"
" the window directly. To do so, you need to type `touch()` or `self.interact()`"
)
exec(get_custom_config()["universal_import_line"])
shell(local_ns=local_ns, stack_depth=2)
# End scene when exiting an embed
if close_scene_on_exit:
raise EndSceneEarlyException()
def construct(self):
exec(get_custom_config()["universal_import_line"])
self.embed()
def construct(self):
#get the properties of Mobjects
print(Dot.CONFIG.keys())
#get the global config
from manimlib.config import get_custom_config
config = get_custom_config()
## graphical Objects
circle = Circle(color=RED, radius=0.2)
square = Square(color=BLUE)
triangle = Triangle(color=PINK)
point = Point(np.array([0, 0]))
dot = Dot(np.array([0, 0]), radius=0.1)
rectangle = Rectangle(height=2, width=3)
edge = Line(
start_coord,
end_coord,
buff=1,
stroke_color=RED,
stroke_width=1,
)
a = Axes(x_min=-3,
x_max=3,
x_axis_width=15,
x_tick_frequency=1,
x_leftmost_tick=None,
x_axis_label=None,
y_min=-3,
y_max=3,
y_axis_height=15,
y_tick_frequency=1,
y_bottom_tick=None,
y_labeled_nums=None,
y_axis_label=None,
axes_color=WHITE,
graph_origin=1 * DOWN + 1 * LEFT,
exclude_zero_label=True,
num_graph_anchor_points=25,
default_graph_colors=[BLUE, GREEN, YELLOW],
default_derivative_color=GREEN,
default_input_color=YELLOW,
default_riemann_start_color=BLUE,
default_riemann_end_color=GREEN,
function_color=WHITE,
area_opacity=0.8,
num_rects=50,
include_tip=True,
axis_config={"include_tip": False},
x_axis_config={"x_min": -40},
y_axis_config={})
n = NumberLine()
f = FunctionGraph(lambda x: x**2, x_min=3, x_max=3, color=BLUE)
f = ParametricFunction(self.func, t_min=-3, t_max=3, color=BLUE)
# graphical actions
#Grouping
VGroup(
circle, triangle, square
) # groups multiple objects, color shifting rotation is applied to all elements
Group() # groups for objects not base on bezier curves
#Animations/Effects
Write(eq1) #writes an equation
ShowCreation(circle)
FadeIn(circle)
FadeOut(circle)
FadeInFromPoint(circle, point)
FadeIn(circle, shift=LEFT) #shift in from the right side
ReplacementTransform()
ShowTextWordByWord(eq1) #writes the text 1 by 1
## Latex equations Objects
eq1 = TexText(r"$\frac{dJ}{d\theta} = \textbf{W}\vec{x} $")
## mobject methods
circle.set_x()
circle.get_x()
circle.add_updater(lambda mobj: mobj.set_x(mobj.get_x() + 1))
# mobject transformation
circle.set_fill(PINK, opacity=0.5) # sets the circle fill color
eq1.shift(UP) # shifts the mobject up relative to the current position
circle.move_to(self, point_or_mobject=point)
circle.move_to(self, point_or_mobject=square)
#Scene methods
self.play(
Write(eq1), run_time=3
) #play the given animation, run_time modifies the duration of the animation
self.play(circle.shift,
UP) #play the shifting of the circle as animation
self.add(eq1) #add an object to a Scene without animation
self.remove(eq1) # removes the object from the screen
self.wait(1) #pauses the animtion for the given amount of seconds
#change camera settings
self.play(
# Set the size with the width of a object
self.camera.frame.set_width,
20,
)
