Python Bokeh–在图形上绘制四边形
原文:https://www . geesforgeks . org/python-bokeh-标绘-四边形-在图形上/
Bokeh 是一个 Python 交互式数据可视化工具。它使用 HTML 和 JavaScript 来渲染它的图。它以现代网络浏览器为呈现目标，提供优雅、简洁的新颖图形结构和高性能交互性。
Bokeh 可用于在图形上绘制四边形。可以使用plotting模块的quad()方法在图形上绘制四边形。
标绘. figure.quad()
语法:四边形(参数)
参数:
- 左侧:四边形左边缘的 x 坐标
- 右侧:四边形右边缘的 x 坐标
- 顶部:四边形顶部边缘的 y 坐标
- 底部:四边形边缘底部的 y 坐标
返回:类的一个对象
GlyphRenderer
示例 1 : 在本例中，我们将使用默认值绘制图表。
# 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 Quadrilateral Graph",
match_aspect = True)
# the points to be plotted
top = 3
bottom = 1
left = 0
right = 4
# plotting the graph
graph.quad(left,
right,
top,
bottom)
# displaying the model
show(graph)
输出:
示例 2 : 在此示例中，我们将绘制具有各种其他参数的多个四边形
# 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 Quadrilateral 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
left = [2, 3, 6]
right = [1, 5, 0]
top = [3, 6, 6]
bottom = [1, 5, 2]
# color value of the patch
color = ["yellow", "red", "blue"]
# fill alpha value of the patch
fill_alpha = [0.9, 0.7, 0.5]
# plotting the graph
graph.quad(left,
right,
top,
bottom,
color = color,
fill_alpha = fill_alpha)
# displaying the model
show(graph)
输出:
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