地圖之經緯度格線

ax.gridlines() #完全使用程式內設型態(黑色實線、無標籤)
ax.gridlines(color="black", linestyle="dotted") #黑點線
ax_ctt.gridlines(color="white", linestyle="dotted")#白點線

import matplotlib.ticker as mticker
from cartopy.mpl.gridliner import LONGITUDE_FORMATTER, LATITUDE_FORMATTER

# Add latitude/longitude gridlines.
# The first line sets up basic gridline parameters - grey dotted lines with labels.
# The next two lines suppress drawing labels on the top and right sides of the plot,
#    making the plot's labels consistent with typical map conventions.
# The next two lines specify how frequently to draw gridlines - here, every
#    5 deg lat/lon. It may be best to comment these two lines out the first
#    time you run the code to see the plot's overall extent, then determine
#    how frequently you wish to draw the gridlines in each direction.
# The next two lines control aspects of labeling the gridlines, here their
#    font size and text color.
# Lastly, the final two lines format the gridline numbers in deg N/S/E/W format.
# More information: https://scitools.org.uk/cartopy/docs/latest/matplotlib/gridliner.html
gridlines = ax.gridlines(color="grey", linestyle="dotted", draw_labels=True)
gridlines.xlabels_top = False
gridlines.ylabels_right = False
gridlines.xlocator = mticker.FixedLocator(np.arange(-90.,-55.,5.))
gridlines.ylocator = mticker.FixedLocator(np.arange(15.,45.,5.))
gridlines.xlabel_style = {'size':12, 'color':'black'}
gridlines.ylabel_style = {'size':12, 'color':'black'}
gridlines.xformatter = LONGITUDE_FORMATTER
gridlines.yformatter = LATITUDE_FORMATTER

The .xlabels_top attribute is deprecated. Please use .top_labels to toggle visibility instead.

from cartopy.mpl.gridliner import LONGITUDE_FORMATTER, LATITUDE_FORMATTER
Times = FontProperties(fname="./font/Times.ttf")
gl.xlocator = mticker.FixedLocator(np.arange(118, 123.1, 0.5))
gl.ylocator = mticker.FixedLocator(np.arange(28, 33.1, 0.5))
gl.xformatter = LONGITUDE_FORMATTER
gl.yformatter = LATITUDE_FORMATTER
gl.xlabel_style = {'size': 12, "color": 'k', "font": Times}
gl.ylabel_style = {'size': 12, 'color': 'k', "font": Times}

from cartopy.mpl.ticker import LongitudeFormatter, LatitudeFormatter
gl.top_labels,gl.bottom_labels,gl.right_labels,gl.left_labels = False,False,False,False
gl.xlocator = mticker.FixedLocator(np.arange(118, 123.1, 0.5))
gl.ylocator = mticker.FixedLocator(np.arange(28, 33.1, 0.5))
axe.set_xticks(np.arange(118,123.1, 0.5), crs=ccrs.PlateCarree())
axe.set_yticks(np.arange(28,33.1, 0.5), crs=ccrs.PlateCarree())
axe.xaxis.set_major_formatter(LongitudeFormatter())
axe.yaxis.set_major_formatter(LatitudeFormatter())
axe.set_xticks(np.arange(118, 123, 0.1), crs=ccrs.PlateCarree(), minor=True)
axe.set_yticks(np.arange(28, 33, 0.1), crs=ccrs.PlateCarree(), minor=True)
axe.tick_params(labelcolor='k',length=2)
labels = axe.get_xticklabels() + axe.get_yticklabels()
[label.set_fontproperties(FontProperties(fname="./font/Times.ttf",size=8)) for label in labels]