nerv_style.py

import cartopy.crs as ccrs
import matplotlib.pyplot as plt
import opencc

import frykit.plot as fplt
import frykit.shp as fshp

# 线条颜色
linecolor = '#a3ffc2'
boxcolor = '#f29305'
fontcolor = '#ffc292'


# 繁体化省名
converter = opencc.OpenCC('s2t.json')
table = fshp.get_cn_province_table()
names = table['short_name'].tolist()
for i, name in enumerate(names):
    if name == '香港' or name == '澳门':
        name = ''
    names[i] = converter.convert(name)

# 设置投影
map_crs = fplt.CN_AZIMUTHAL_EQUIDISTANT
data_crs = ccrs.PlateCarree()

# 创建画布
fig = plt.figure(facecolor='k')
ax = fig.add_subplot(111, projection=map_crs)
ax.set_extent([76, 134, 2, 55], crs=data_crs)
ax.set_facecolor('k')
ax.axis('off')

# 绘制省界和市界
fplt.add_cn_province(ax, lw=0.6, ec=linecolor)
fplt.add_cn_city(ax, lw=0.2, ec=linecolor)
fplt.add_nine_line(ax, lw=0.6, ec=linecolor)

# 两种风格的方框
hollow_props = {
    'boxstyle': 'round, rounding_size=0.2',
    'fc': 'none',
    'ec': boxcolor,
    'lw': 1,
    'alpha': 0.8,
}
solid_props = {
    'boxstyle': 'round, rounding_size=0.2',
    'fc': boxcolor,
    'ec': 'none',
    'alpha': 0.8,
}

# 添加说明框
ax.text(
    x=0.2,
    y=0.2,
    s='CHINA MAP',
    color=boxcolor,
    alpha=hollow_props['alpha'],
    fontsize=10,
    fontfamily='Helvetica Neue',
    fontweight='bold',
    ha='left',
    va='center',
    bbox=hollow_props,
    transform=ax.transAxes,
)
ax.text(
    x=0.2,
    y=0.26,
    s='SEP 2022',
    color=boxcolor,
    alpha=hollow_props['alpha'],
    fontsize=10,
    fontfamily='Helvetica Neue',
    fontweight='bold',
    ha='left',
    va='center',
    transform=ax.transAxes,
)

# 添加省名
for name, lon, lat in zip(names, table['lon'], table['lat']):
    ax.text(
        x=lon,
        y=lat,
        s=name,
        color=fontcolor,
        fontsize=4,
        fontfamily='FOT-Matisse Pro',
        ha='center',
        va='center',
        bbox=solid_props,
        transform=data_crs,
    )

# 保存图片
fig.savefig('../image/nerv_style.png', dpi=300, bbox_inches='tight')
plt.close(fig)