Python气象数据处理与绘图：绘制具有艺术风格的山脊地图

1、导入模块

1from ridge_map import FontManager
2from ridge_map import RidgeMap
3import matplotlib
4import matplotlib.pyplot as plt
5import numpy as np

注：需要安装ridge_map库

2、绘制不同风格山脊地图

绘图1：

 1font = FontManager('https://github.com/google/fonts/blob/master/ofl/uncialantiqua/UncialAntiqua-Regular.ttf?raw=True')
 2rm = RidgeMap((-156.250305,18.890695,-154.714966,20.275080), font=font.prop)
 3values = rm.get_elevation_data(num_lines=150)
 4values=rm.preprocess(
 5    values=values,
 6    lake_flatness=2,
 7    water_ntile=10,
 8    vertical_ratio=240)
 9rm.plot_map(values=values,
10            label="Hawai'i",
11            label_y=0.1,
12            label_x=0.55,
13            label_size=40,
14            linewidth=1)

1font = FontManager('https://github.com/google/fonts/blob/master/ofl/uncialantiqua/UncialAntiqua-Regular.ttf?raw=True')
2rm = RidgeMap((-156.250305,18.890695,-154.714966,20.275080), font=font.prop)
3values = rm.get_elevation_data(num_lines=80)
4rm.plot_map(values=rm.preprocess(values=values, water_ntile=12, vertical_ratio=40),
5            label="Hawai'i",
6            label_x=0.75,
7            linewidth=6,
8            line_color='orange')

绘图3：

1font = FontManager('https://github.com/google/fonts/blob/master/ofl/uncialantiqua/UncialAntiqua-Regular.ttf?raw=True')
2rm = RidgeMap((-156.250305,18.890695,-154.714966,20.275080), font=font.prop)
3values = rm.get_elevation_data(num_lines=150)
4rm.plot_map(values=rm.preprocess(values=values, lake_flatness=3, water_ntile=50, vertical_ratio=30),
5            label="Hawai'i",
6            label_x=0.1,
7            line_color = plt.get_cmap('spring'))

绘图4：

 1font = FontManager('https://github.com/google/fonts/blob/master/ofl/uncialantiqua/UncialAntiqua-Regular.ttf?raw=True')
 2rm = RidgeMap((-156.250305,18.890695,-154.714966,20.275080), font=font.prop)
 3
 4values = rm.get_elevation_data(num_lines=100)
 5rm.plot_map(values=rm.preprocess(values=values, lake_flatness=2, water_ntile=10, vertical_ratio=240),
 6            label="Hawai'i",
 7            label_y=0.85,
 8            label_x=0.7,
 9            label_size=60,
10            linewidth=2,
11            line_color=plt.get_cmap('ocean'),
12            kind='elevation')

绘图5：

 1font = FontManager('https://github.com/google/fonts/blob/master/ofl/uncialantiqua/UncialAntiqua-Regular.ttf?raw=True')
 2rm = RidgeMap((-156.250305,18.890695,-154.714966,20.275080), font=font.prop)
 3
 4values = rm.get_elevation_data(num_lines=250, viewpoint='south')
 5values = rm.preprocess(values=values,
 6                       water_ntile=5,
 7                       vertical_ratio=90)
 8
 9rm.plot_map(values, label="", 
10            kind='elevation', 
11            line_color=plt.get_cmap('plasma'),
12            label_size=100)