Mobject

The defined measuring functions for Mobject in mobject.py

• def get_extremum_along_dim(self, points=None, dim=0, key=0)
• def length_over_dim(self, dim)
• def get_width(self)
• def get_height(self)
• def get_depth(self)

Measuring

def get_extremum_along_dim(self, points=None, dim=0, key=0)

get_coord is used to get the extremum of a Mobject along the specified dim parameter, dim, according to the specified parameters.

def length_over_dim(self, dim)

get_x is used to get the length of a Mobject over the specified dim parameter, dim.

def get_width(self)

get_y is used to get the width of a Mobject.

def def get_height(self)

get_z is used to get the height of a Mobject.

def def get_depth(self)

get_depth is used to get the depth of a Mobject

Example

Code

# folder/file: tut/manim_mobject_func_measure_001a.py

import re
from manimlib.scene.scene import Scene
from manimlib.mobject.geometry import Rectangle, Square, Circle, Line,RoundedRectangle
from manimlib.animation.creation import ShowCreation
from manimlib.mobject.svg.tex_mobject import TexMobject, TextMobject
from manimlib.animation.fading import FadeOut
from manimlib.animation.creation import Write
from manimlib.animation.transform import ApplyMethod, ApplyFunction

class manim_mobject_func_measure_001a(Scene): 
   def construct(self):
      linex=Line([2,2,0],[1,1,0],color="#88FF00")
      polya= RoundedRectangle(width=2,height=2,corner_radius=0.5,stroke_width=0,fill_color="#FFFF00",fill_opacity=1)
      polyb = Rectangle(width=2.5,height=1.5,stroke_width=15,color="#88FF00",fill_color="#FFFF00",fill_opacity=1)
      polyc= Square(side_length=2,stroke_width=20,fill_color="#FF8800",fill_opacity=1).move_to([-3,-2,0])
      polyd= Circle(arc_center=(-2,0.75,0),color="#888888")
      polya.add(Rectangle(width=2,height=2,color="#77DDCC").move_to(polya))
      polya.add(Rectangle(width=1,height=2.5,color="#77DDCC").move_to(polya))
      polya.add(TextMobject("A").move_to(polya))
      polye = Rectangle(width=1.25,height=3.75,color="#888888",fill_color="#333333",fill_opacity=1).move_to([-0.625,-1.125,0])
      polyf= Rectangle(width=1,height=2,color="#888888").move_to([-2.5,-2,0])
      polyb.add(polye)
      self.play(ShowCreation(polyb),run_time=2)
      self.wait()
      self.play(ShowCreation(polyc),ShowCreation(polyf),run_time=2)
      self.wait()
      self.play(ShowCreation(polya.move_to(polyd)),ShowCreation(polyd),run_time=2)
      self.wait()
      self.add(TextMobject("B").move_to(polyb))
      self.add(TextMobject("C").move_to(polyc))
      self.add(TextMobject("E").move_to(polye))
      self.add(linex)
      self.add(Rectangle(width=14.22,height=8))
      text=TexMobject(r"polyb.get\_extremum\_along\_dim(dim=1):\ ",polyb.get_extremum_along_dim(dim=1)).move_to([0,3,0])
      self.play(Write(text),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject(r"polyb.length\_over\_dim(1):\ ",re.sub("\s+","\ ",str(polyb.length_over_dim(1)).replace("[","\cr["))).move_to([0,3,0])
      self.play(Write(text.shift_onto_screen()),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject(r"polyb.get\_width():\ ",re.sub("\s+","\ ",str(polyb.get_width()).replace("[","\cr["))).move_to([0,3,0])
      self.play(Write(text.shift_onto_screen()),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject(r"polyb.get\_height():\ ",re.sub("\s+","\ ",str(polyb.get_height()).replace("[","\cr["))).move_to([0,3,0])
      self.play(Write(text.shift_onto_screen()),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)
      text=TexMobject(r"polyb.get\_depth():\ ",re.sub("\s+","\ ",str(polyb.get_depth()).replace("[","\cr["))).move_to([0,3,0])
      self.play(Write(text.shift_onto_screen()),run_time=3)
      self.wait()
      self.play(FadeOut(text),run_time=2)

Output