Python Bokeh – 在图形上绘制带点的正方形

Bokeh 是一个Python交互式数据可视化。它使用 HTML 和 JavaScript 渲染其绘图。它针对现代 Web 浏览器进行演示，提供具有高性能交互性的新颖图形的优雅、简洁构造。

Bokeh 可用于在图形上绘制带点的正方形。可以使用plotting模块的square_dot()方法在图形上绘制带点的正方形。

plotting.figure.square_dot()

Syntax : square_dot(parameters)

Parameters :

• x : x-coordinates of the center of the square
• y : y-coordinates of the center of the square

Returns : an object of class GlyphRenderer

示例 1：在此示例中，我们将使用默认值来绘制图形。

# importing the modules
from bokeh.plotting import figure, output_file, show
        
# file to save the model
output_file("gfg.html")
        
# instantiating the figure object
graph = figure(title = "Bokeh Square Dot Graph")
      
# the points to be plotted
x = 0
y = 0
     
# plotting the graph
graph.square_dot(x, y, size = 30, fill_color = None)
      
# displaying the model
show(graph)

输出 ：

示例 2：在此示例中，我们将使用各种其他参数绘制多个正方形

# importing the modules 
from bokeh.plotting import figure, output_file, show 
  
# file to save the model 
output_file("gfg.html") 
       
# instantiating the figure object 
graph = figure(title = "Bokeh Square Dot Graph") 
  
# name of the x-axis 
graph.xaxis.axis_label = "x-axis"
       
# name of the y-axis 
graph.yaxis.axis_label = "y-axis"
  
# points to be plotted
x = [3, 3, 5]
y = [3, 1, 3]
size = [130, 100, 60]
  
# color value of the square
color = ["yellow", "red", "purple"]
  
# fill alpha value of the square
fill_alpha = [0.9, 0.7, 0.5]
  
# plotting the graph 
graph.square_dot(x, y,
                 size = size,
                 color = color,
                 fill_alpha = fill_alpha) 
       
# displaying the model 
show(graph)

输出 ：

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