Manim graph_scene.py

Codes in Graph_scene.py

Available codes defined in manimlib.scene.graph_scene.py

Import

import itertools as it

from manimlib.animation.creation import Write, DrawBorderThenFill, ShowCreation
from manimlib.animation.transform import Transform
from manimlib.animation.update import UpdateFromAlphaFunc
from manimlib.constants import *
from manimlib.mobject.functions import ParametricFunction
from manimlib.mobject.geometry import Line
from manimlib.mobject.geometry import Rectangle
from manimlib.mobject.geometry import RegularPolygon
from manimlib.mobject.number_line import NumberLine
from manimlib.mobject.svg.tex_mobject import TexMobject
from manimlib.mobject.svg.tex_mobject import TextMobject
from manimlib.mobject.types.vectorized_mobject import VGroup
from manimlib.mobject.types.vectorized_mobject import VectorizedPoint
from manimlib.scene.scene import Scene
from manimlib.utils.bezier import interpolate
from manimlib.utils.color import color_gradient
from manimlib.utils.color import invert_color
from manimlib.utils.space_ops import angle_of_vector

Class GraphScene(Scene)

class manimlib.scene.graph_scene.GraphScene(Scene)version 19Dec2019

Configuration

    CONFIG = {
        "x_min": -1,
        "x_max": 10,
        "x_axis_width": 9,
        "x_tick_frequency": 1,
        "x_leftmost_tick": None,  # Change if different from x_min
        "x_labeled_nums": None,
        "x_axis_label": "$x$",
        "y_min": -1,
        "y_max": 10,
        "y_axis_height": 6,
        "y_tick_frequency": 1,
        "y_bottom_tick": None,  # Change if different from y_min
        "y_labeled_nums": None,
        "y_axis_label": "$y$",
        "axes_color": GREY,
        "graph_origin": 2.5 * DOWN + 4 * LEFT,
        "exclude_zero_label": True,
        "default_graph_colors": [BLUE, GREEN, YELLOW],
        "default_derivative_color": GREEN,
        "default_input_color": YELLOW,
        "default_riemann_start_color": BLUE,
        "default_riemann_end_color": GREEN,
        "area_opacity": 0.8,
        "num_rects": 50,
    }

Functions

• def setup(self)
• def setup_axes(self, animate=False)
• def coords_to_point(self, x, y)
• def point_to_coords(self, point)
• def get_graph( self, func, color=None, x_min=None, x_max=None, **kwargs )
  • def parameterized_function(alpha)
• def input_to_graph_point(self, x, graph)
• def angle_of_tangent(self, x, graph, dx=0.01)
• def slope_of_tangent(self, *args, **kwargs)
• def get_derivative_graph(self, graph, dx=0.01, **kwargs)
  • def deriv(x)
• def get_graph_label( self, graph, label="f(x)", x_val=None, direction=RIGHT, buff=MED_SMALL_BUFF, color=None, )
• def get_riemann_rectangles( self, graph, x_min=None, x_max=None, dx=0.1, input_sample_type="left", stroke_width=1, stroke_color=BLACK, fill_opacity=1, start_color=None, end_color=None, show_signed_area=True, width_scale_factor=1.001 )
• def get_riemann_rectangles_list( self, graph, n_iterations, max_dx=0.5, power_base=2, stroke_width=1, **kwargs )
• def get_area(self, graph, t_min, t_max)
• def transform_between_riemann_rects(self, curr_rects, new_rects, **kwargs)
• def get_vertical_line_to_graph( self, x, graph, line_class=Line, **line_kwargs )
• def get_vertical_lines_to_graph( self, graph, x_min=None, x_max=None, num_lines=20, **kwargs )
• def get_secant_slope_group( self, x, graph, dx=None, dx_line_color=None, df_line_color=None, dx_label=None, df_label=None, include_secant_line=True, secant_line_color=None, secant_line_length=10, )
• def add_T_label(self, x_val, side=RIGHT, label=None, color=WHITE, animated=False, **kwargs)
• def get_animation_integral_bounds_change( self, graph, new_t_min, new_t_max, fade_close_to_origin=True, run_time=1.0 )
  • def update_group(group, alpha)
• def animate_secant_slope_group_change( self, secant_slope_group, target_dx=None, target_x=None, run_time=3, added_anims=None, **anim_kwargs )
  • def update_func(group, alpha)

Source and Reference

https://github.com/3b1b/manim19Dec2019