使用python创建极坐标平面的示例代码

PolarPlane(radius_max=4.0, size=None, radius_step=1, azimuth_step=None,
 azimuth_units='PI radians', azimuth_compact_fraction=True, azimuth_offset=0,
 azimuth_direction='CCW', azimuth_label_buff=0.1, azimuth_label_font_size=24,
 radius_config=None, background_line_style=None, faded_line_style=None, 
faded_line_ratio=1, make_smooth_after_applying_functions=True, **kwargs)

from manim import *  
 
class PolarPlaneExample1122(Scene):  
    def construct(self):  
        
        polarplane_pi01 = PolarPlane(
            azimuth_units="PI radians",
            size=5,
            azimuth_label_font_size=33.6,
            radius_config={"font_size": 33.6},
        ).add_coordinates()
        self.add(polarplane_pi01)
        
        polar_plane = PolarPlane(  
            #radius_max=7.5,  
            size=5,  
            radius_step=1,  # 修改为1，显示更细的半径刻度  
            #azimuth_step=PI/5,  # 修改为PI/4，显示更多的角度刻度  
            azimuth_units='PI radians',  
            #azimuth_compact_fraction=True,  
            #azimuth_offset=PI/4,  
            #azimuth_direction='CCW',  
            #azimuth_label_buff=0.9,  
            azimuth_label_font_size=33.6,
            radius_config={"font_size": 33.6},
            #radius_config={"color": BLUE},  
            #background_line_style={"stroke_color": GREY_A, "stroke_width":10},  
            #faded_line_style={"stroke_color": GREY_B, "stroke_width": 0.5},  
            #faded_line_ratio=0.5,  
            #make_smooth_after_applying_functions=True  
        ).add_coordinates()  
 
        self.add(polar_plane)  
 
        r = 1  
        theta = PI / 5  
        x = r * np.cos(theta)  
        y = r * np.sin(theta)  
        point = np.array([x, y, 0])  
        dot = Dot(point, color=YELLOW)  
        self.add(dot)  
 
        angle_label = MathTex(r"\theta = \frac{\pi}{5}").next_to(dot, UP)  
        self.add(angle_label)  
 
%manim -qm -v WARNING PolarPlaneExample1122

from manim import *  
 
class PolarPlaneExample2222(Scene):  
    def construct(self):  
        # 创建极坐标平面  
        polar_plane = PolarPlane(azimuth_units="PI radians",
            size=6,
            azimuth_label_font_size=33.6,
            radius_config={"font_size": 33.6}).add_coordinates()  
        
        # 添加背景线条  
        self._init_background_lines(polar_plane)  
        
        # 获取轴并添加  
        axes = polar_plane.get_axes()  
        self.add(axes)  
        
        # 获取坐标标签并添加  
        coordinate_labels = polar_plane.get_coordinate_labels()  
        #self.add(coordinate_labels)  
        
        # 进行一些动画  
        self.play(Create(polar_plane))  
        self.wait(2)  
 
    def _init_background_lines(self, polar_plane):  
        # 使用 _get_lines() 生成背景线条  
        non_faded_lines, faded_lines = polar_plane._get_lines()  
        
        # 添加非淡化线条  
        self.add(non_faded_lines)  
        # 添加淡化线条  
        self.add(faded_lines)