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MysaaJavaMysaaJava
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Added kolibril python examples to the docs, re-formatted to be readable
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‎docs/source/examples/3d.rst

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@@ -79,3 +79,52 @@
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self.set_camera_orientation(phi=80 * DEGREES, theta=-60 * DEGREES)
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self.wait()
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.. manim:: ThreeDPlane
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class ThreeDPlane(ThreeDScene):
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def construct(self):
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resolution_fa=22
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self.set_camera_orientation(phi=75 * DEGREES, theta=-30 * DEGREES)
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def param_plane(u,v):
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x=u
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y=v
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z=0
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return np.array([x,y,z])
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plane = ParametricSurface( param_plane,
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resolution = (resolution_fa,resolution_fa),
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v_min = -2,
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v_max = +2,
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u_min = -2,
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u_max = +2 )
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plane.scale_about_point(2,ORIGIN)
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def param_gauss(u,v):
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x=u
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y=v
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d = np.sqrt(x * x + y * y)
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sigma, mu = 0.4, 0.0
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z= np.exp(-((d - mu) ** 2 / (2.0 * sigma ** 2)))
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return np.array([x,y,z])
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gauss_plane = ParametricSurface( param_gauss,
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resolution = (resolution_fa, resolution_fa),
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v_min = -2,
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v_max = +2,
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u_min = -2,
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u_max = +2 )
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gauss_plane.scale_about_point(2,ORIGIN)
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gauss_plane.set_style(fill_opacity=1)
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gauss_plane.set_style(stroke_color=GREEN)
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gauss_plane.set_fill_by_checkerboard(GREEN,BLUE,opacity=0.1)
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axes = ThreeDAxes()
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self.add(axes)
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self.play(Write(plane))
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self.play(Transform(plane,gauss_plane))
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self.wait()
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‎docs/source/examples/animations.rst

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@@ -105,4 +105,43 @@ Updaters
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line_moving = Line(ORIGIN, LEFT).set_color(ORANGE)
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line_moving.add_updater(my_rotation_updater)
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self.add(line_reference, line_moving)
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self.play(val_tracker.set_value, tick_end, run_time=PI)
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self.play(val_tracker.set_value, tick_end, run_time=PI)
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.. manim:: PlaneFadeOut
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class PlaneFadeOut(Scene):
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def construct(self):
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sq2= Square()
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sq1= Square()
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sq1.next_to(sq2,LEFT)
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sq3= Square()
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sq3.next_to(sq2,RIGHT)
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circ = Circle()
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circ.next_to(sq2,DOWN)
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self.add(sq1,sq2,sq3,circ)
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self.wait()
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self.play(FadeOut(sq1),FadeOut(sq2),FadeOut(sq3))
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self.wait()
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.. manim:: AnimationFadeInAndOut
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class AnimationFadeInAndOut(Scene):
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def construct(self):
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square = Square(color=BLUE).shift(2*UP)
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annotation = Text('Fade In', height=.8)
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self.add(annotation)
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self.play(FadeIn(square))
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annotation.become(Text('Fade Out', height=.8))
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self.add(annotation)
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self.play(FadeOut(square))
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‎docs/source/examples/shapes_images_positions.rst

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@@ -16,6 +16,7 @@ Shapes, Images and Positions
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self.add(d, c, s, t)
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self.wait(1)
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.. manim:: Example1ImageFromArray
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:save_last_frame:
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@@ -26,6 +27,7 @@ Shapes, Images and Positions
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image.set_height(7)
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self.add(image)
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.. manim:: Example2ImageFromFile
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:save_last_frame:
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@@ -43,4 +45,190 @@ Shapes, Images and Positions
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self.add(img_mobject)
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Note: Here can come the UnitDot Example.
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.. manim:: ArcShapeExample
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:save_last_frame:
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class ArcShapeExample(Scene):
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def construct(self):
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colors = [DARK_BLUE , DARK_BROWN, BLUE_E, BLUE_D, BLUE_A, TEAL_B, GREEN_B, YELLOW_E]
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radius = [1+rad*0.1 for rad in range(len(colors))]
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circles_group=VGroup()
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# zip(radius,color) makes the iterator [(radius[i],color[i]) for i in range(radius)]
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circles_group.add( *[Circle(radius=rad,stroke_width=10, color = col)
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for rad,col in zip(radius,colors)])
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self.add(circles_group)
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self.wait(2)
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.. manim:: ImageFromGradient
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:save_last_frame:
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class ImageFromGradient(Scene):
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def construct(self):
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n = 256
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imageArray = np.uint8([[i*256/n for i in range(0,n)] for j in range(0,n)])
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image = ImageMobject(imageArray).scale(2)
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image.next_to(ORIGIN,LEFT, SMALL_BUFF)
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self.add(image)
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self.wait(1)
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.. manim:: ShapesExample
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class ShapesExample(Scene):
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def construct(self):
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circle = Circle(radius= 1, color=BLUE)
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dot = Dot()
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dot2= dot.copy().shift(RIGHT)
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self.add(dot)
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line=Line(np.array([3,0,0]),np.array([5,0,0]))
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self.add(line)
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self.play(GrowFromCenter(circle))
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self.play(Transform(dot,dot2))
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self.play(MoveAlongPath(dot,circle), run_time= 2, rate_func=linear)
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self.play(Rotating(dot, about_point=np.array((2, 0, 0.))), run_time=1.5)
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self.wait()
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.. manim:: InterpolationExample
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:save_last_frame:
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class InterpolationExample(Scene):
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def construct(self):
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dotL = Dot(color=DARK_GREY)
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dotL.shift(2*RIGHT)
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dotR = Dot(color=WHITE)
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dotR.shift(2*LEFT )
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dotMiddle = VMobject().interpolate(dotL, dotR, alpha=0.3)
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self.add(dotL, dotR, dotMiddle)
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.. manim:: MoveAroundExample
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class MoveAroundExample(Scene):
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def construct(self):
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square = Square(color=BLUE,fill_opacity=1)
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self.play(square.shift,LEFT)
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self.play(square.set_fill,ORANGE)
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self.play(square.scale,0.3)
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self.play(square.rotate,0.4)
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.. manim:: TextAlignementExample
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:save_last_frame:
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class TextAlignementExample(Scene):
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def construct(self):
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title=PangoText("K-means clustering and Logistic Regression", color=WHITE)
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title.scale_in_place(0.75)
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self.add(title.to_edge(UP))
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t1=PangoText("1. Measuring").set_color(WHITE)
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t1.next_to(ORIGIN,direction=RIGHT,aligned_edge=UP)
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t2=PangoText("2. Clustering").set_color(WHITE)
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t2.next_to(t1,direction=DOWN,aligned_edge=LEFT)
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t3=PangoText("3. Regression").set_color(WHITE)
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t3.next_to(t2,direction=DOWN,aligned_edge=LEFT)
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t4=PangoText("4. Prediction").set_color(WHITE)
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t4.next_to(t3,direction=DOWN,aligned_edge=LEFT)
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x=VGroup(t1,t2,t3,t4).scale_in_place(0.7)
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x.set_opacity(0.5)
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x.submobjects[1].set_opacity(1)
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self.add(x)
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.. manim:: SplineExample
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class SplineExample(Scene):
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def construct(self):
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np.random.seed(42)
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area = 4
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x1 = np.random.randint(-area,area)
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y1 = np.random.randint(-area,area)
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p1 = np.array([x1,y1,0])
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destination_dot1 = Dot(point=p1).set_color(BLUE)
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x2 = np.random.randint(-area,area)
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y2 = np.random.randint(-area,area)
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p2 = np.array([x2,y2,0])
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destination_dot2 = Dot(p2).set_color(RED)
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deltaP = p1-p2
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deltaPNormalized = deltaP/get_norm(deltaP)
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theta = np.radians(90)
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r = np.array(( (np.cos(theta), -np.sin(theta), 0 ),
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(np.sin(theta), np.cos(theta), 0 ),
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( 0 , 0 , 0 ) ))
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senk = r.dot(deltaPNormalized)
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offset = 0.1
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offset_along = 0.5
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offset_connect = 0.25
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dest_line1_point1 = p1 + senk*offset - deltaPNormalized*offset_along
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dest_line1_point2 = p2 + senk*offset + deltaPNormalized*offset_along
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dest_line2_point1 = p1 - senk*offset - deltaPNormalized*offset_along
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dest_line2_point2 = p2 - senk*offset + deltaPNormalized*offset_along
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s1 = p1 - offset_connect*deltaPNormalized
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s2 = p2 + offset_connect*deltaPNormalized
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dest_line1 = Line(dest_line1_point1, dest_line1_point2)
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dest_line2 = Line(dest_line2_point1, dest_line2_point2)
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Lp1s1 = Line(p1, s1)
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Lp1s1.add_cubic_bezier_curve(s1,
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s1-deltaPNormalized*0.1,
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dest_line2_point1+deltaPNormalized*0.1,
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dest_line2_point1-deltaPNormalized*0.01 )
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Lp1s1.add_cubic_bezier_curve(s1,
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s1-deltaPNormalized*0.1,
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dest_line1_point1+deltaPNormalized*0.1,
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dest_line1_point1 )
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Lp2s2 = Line(p2, s2)
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Lp2s2.add_cubic_bezier_curve(s2,
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s2+deltaPNormalized*0.1,
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dest_line2_point2-deltaPNormalized*0.1,
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dest_line2_point2 )
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Lp2s2.add_cubic_bezier_curve(s2,
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s2+deltaPNormalized*0.1,
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dest_line1_point2-deltaPNormalized*0.1,
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dest_line1_point2 )
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start=VGroup(Line(destination_dot1.get_center(), destination_dot2.get_center()),
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destination_dot1.copy(),
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destination_dot2.copy())
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start.scale(0.5)
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end= VGroup(Lp1s1, Lp2s2,dest_line1,dest_line2,destination_dot1,destination_dot2)
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end.scale(2)
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self.add(start)
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self.wait()
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self.play(ClockwiseTransform(start,end), run_time=3)
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self.wait()
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Note: Here can come the UnitDot Example.
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