How to draw a 3D geographic chart with Python
How to draw 3D geographic charts with Python
Overview:
Drawing 3D geographic charts can help us understand geographic data and spatial distribution more intuitively. Python, as a powerful and easy-to-use programming language, provides many libraries and tools for drawing various types of geographical charts. In this article, we will learn how to draw 3D geographic charts using the Python programming language and some popular libraries such as Matplotlib and Basemap.
Environment preparation:
Before we start, we need to make sure that Python and some necessary libraries have been installed. It is assumed here that you have installed Python 3.
- Basemap: Provides geographical information system (GIS) functions for drawing geographical maps.
- NumPy: Library for numerical calculations and array operations.
- After installing these libraries, we can start using Python to draw 3D geographical charts.
import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from mpl_toolkits.basemap import Basemap import numpy as np
# 创建一个Basemap对象,设置地图投影和区域范围 m = Basemap(projection='mill',llcrnrlat=20,urcrnrlat=50, llcrnrlon=100,urcrnrlon=160,resolution='c') # 使用Basemap对象来获取某个地区的地理坐标数据 lons, lats = m.makegrid(81, 61) # 生成一些随机数据 data = np.random.rand(len(lons), len(lats))
# 创建一个Figure对象 fig = plt.figure() # 创建一个Axes3D对象 ax = fig.add_subplot(111, projection='3d') # 绘制3D图表 ax.plot_surface(lons, lats, data)
# 设置图表的样式 ax.set_xlabel('Longitude') ax.set_ylabel('Latitude') ax.set_zlabel('Data') ax.set_title('3D Geographical Chart') # 显示图表 plt.show()
import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from mpl_toolkits.basemap import Basemap import numpy as np # 创建一个Basemap对象,设置地图投影和区域范围 m = Basemap(projection='mill',llcrnrlat=20,urcrnrlat=50, llcrnrlon=100,urcrnrlon=160,resolution='c') # 使用Basemap对象来获取某个地区的地理坐标数据 lons, lats = m.makegrid(81, 61) # 生成一些随机数据 data = np.random.rand(len(lons), len(lats)) # 创建一个Figure对象 fig = plt.figure() # 创建一个Axes3D对象 ax = fig.add_subplot(111, projection='3d') # 绘制3D图表 ax.plot_surface(lons, lats, data) # 设置图表的样式 ax.set_xlabel('Longitude') ax.set_ylabel('Latitude') ax.set_zlabel('Data') ax.set_title('3D Geographical Chart') # 显示图表 plt.show()
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