def north_south_poles():
lats, lons = None, None
values = None
fig = plt.figure(figsize=(9, 5)) # 图像大小
# 北极
p = dv_map(fig, subplot=121)
p.show_colorbar = False
p.show_north_pole = True
p.show_bg_color = True
p.easyplot(lats, lons, values, ptype='contourf', vmin=0, vmax=10000)
p.draw()
# 南极
p = dv_map(fig, subplot=122)
p.show_colorbar = False
p.show_south_pole = True
p.show_bg_color = True
p.easyplot(lats, lons, values, ptype='contourf', vmin=0, vmax=10000)
fig.subplots_adjust(bottom=0.1,
top=0.97,
left=0.06,
right=0.94,
wspace=0.12)
fig.suptitle("North Pole & South Pole", fontproperties=p.font, size=9.5)
# add colorbar below
# add_colorbar_below(fig, 0.3, 1 - 0.3, 0.07, 0, 100)
p.savefig('poles.png')
def test1():
'''
4图画在一张 自定比例
'''
fig = plt.figure(figsize=(6.8, 6)) # 图像大小
gs = gridspec.GridSpec(
2,
2, # 两行两列
width_ratios=[1, 2], # 两列比例 1：2
height_ratios=[4, 1] # 两行比例 4：1
)
# 2行 2列 第1张
p = dv_line_chart(fig, subplot=gs[0])
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图1'
p.xlabel = u'X轴'
p.ylabel = u'Y轴'
p.draw()
#
p = dv_line_chart(fig, subplot=gs[1])
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图2'
p.xlabel = u'X轴'
p.draw()
p = dv_line_chart(fig, subplot=gs[2])
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图3'
p.xlabel = u'X轴'
p.ylabel = u'Y轴'
p.draw()
p = dv_time_series(fig, subplot=gs[3])
p.easyplot(x3, y1, RED, u'甲')
# p.title = u'图4'
p.xlabel = u'X轴'
# 调整间距
fig.subplots_adjust(
bottom=0.08,
top=0.935, # 下， 上
left=0.07,
right=0.87, # 左， 右
wspace=0.26,
hspace=0.25) # 列间距（width方向）， 行间距（height方向）
# 总标题
fig.suptitle("Title centered above all subplots",
fontproperties=get_DV_Font(),
size=9)
p.savefig('4in1.png')
def test0():
'''
4图画在一张 等比例
'''
fig = plt.figure(figsize=(6.8, 6)) # 图像大小
p = dv_line_chart(fig, subplot=221)
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图1'
p.xlabel = u'X轴'
p.ylabel = u'Y轴'
p.grid(True)
p.draw()
p = dv_line_chart(fig, subplot=222)
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图2'
p.xlabel = u'X轴'
p.draw()
p = dv_line_chart(fig, subplot=223)
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图3'
p.xlabel = u'X轴'
p.ylabel = u'Y轴'
p.draw()
p = dv_time_series(fig, subplot=224)
p.easyplot(x3, y1, RED, u'甲')
# p.title = u'图4'
p.xlabel = u'X轴'
# 调整间距
fig.subplots_adjust(
bottom=0.08,
top=0.8, # 下， 上
left=0.07,
right=0.87, # 左， 右
wspace=0.26,
hspace=0.25) # 列间距（width方向）， 行间距（height方向）
# 总标题
fig.suptitle("Title centered above all subplots",
fontproperties=get_DV_Font(),
size=9)
p.savefig('4in1_0.png')
def test3():
"""
上下2张图， 比例3：1
"""
# 全球-----------------------
lats, lons = np.mgrid[70:0:-6, 50:150:6]
values = np.random.random_integers(0., 10000., lats.shape)
fig = plt.figure(figsize=(6, 6)) # 图像大小
gs = gridspec.GridSpec(
2,
1, # 两行一列
height_ratios=[3, 1] # 两行比例 3：1
)
# 中国
p = dv_map(fig, subplot=gs[0])
p.colorbar_fmt = "%d"
p.show_countries = False
p.show_china = True
p.show_china_province = True
p.show_line_of_latlon = False
# p.show_inside_china = True
# p.setArea(u"中国省界", ["Beijing"])
# p.show_colorbar = False
# p.projection = "aea"
p.colorbar_bounds = range(0, 10001, 1000)
p.easyplot(lats, lons, values, ptype='contourf', vmin=0, vmax=10000)
# p.title = u'中国区域分布图'
p.draw()
p = dv_time_series(fig, subplot=gs[1])
p.easyplot(x3, y1, 'r', u'甲')
# p.title = u'图4'
p.xlabel = u'X轴'
p.fontsize_tick = 8
# 调整间距
fig.subplots_adjust(bottom=0.1,
top=0.96,
left=0.07,
right=0.87,
hspace=0.12)
# 总标题
fig.suptitle("Title centered above all subplots",
fontproperties=p.font,
size=12)
p.savefig('2in1.png')
def test5():
"""
手动设定子图位置
"""
fig = plt.figure(figsize=(6, 6)) # 图像大小
# 中国区域
vmin, vmax = 0., 1000.
lats, lons = np.mgrid[70:0:-2, 50:150:4]
values = np.random.random_integers(vmin, vmax, lats.shape)
pos1 = [0.1, 0.3, 0.8, 0.6]
ax1 = add_ax(fig, *pos1)
p = dv_map(fig, ax=ax1)
p.colorbar_fmt = "%d"
p.show_countries = False
p.show_china = True
p.show_china_province = True
p.show_line_of_latlon = True
p.show_colorbar = False
p.easyplot(lats, lons, values, ptype='contourf', vmin=vmin, vmax=vmax)
p.draw()
# 直方图
pos2 = [0.1, 0.15, 0.8, 0.1]
ax2 = add_ax(fig, *pos2)
p2 = dv_hist(fig, ax=ax2)
p2.easyplot(values.reshape((-1, )), bins=512, cmap="jet")
p2.xlim_min = vmin
p2.xlim_max = vmax
p2.simple_axis(mode=0)
p2.draw()
# ColorBar
pos3 = [0.1, 0.11, 0.8, 0.03]
ax3 = add_ax(fig, *pos3)
add_colorbar_horizontal(ax3, vmin, vmax, cmap="jet")
ax3.plot(700. / vmax, 0.5, 'wo', ms=4) # colorbar上打点
# 总标题
fig.suptitle("Title centered above all subplots",
fontproperties=p.font,
size=14)
p.savefig('test5.png')
def test2():
'''
# 3图画在一张 2行
第1行2张
第2行1张
'''
fig = plt.figure(figsize=(6.8, 6)) # 图像大小
p = dv_line_chart(fig, subplot=221) # 221：2行 2列 的第1张
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图1'
p.xlabel = u'X轴'
p.ylabel = u'Y轴'
p.draw()
p = dv_line_chart(fig, subplot=222)
p.easyplot(x1, y1, 'c', u'w')
p.easyplot(x2, y2, 'b', u'a')
# p.show_leg = False
# p.title = u'图2'
p.xlabel = u'X轴'
p.draw()
p = dv_time_series(fig, subplot=212) # 212：2行 1列 的第2张
p.easyplot(x3, y1, RED, u'甲')
# p.title = u'图4'
p.xlabel = u'X轴'
# 调整间距
fig.subplots_adjust(bottom=0.08,
top=0.935,
left=0.07,
right=0.87,
wspace=0.26,
hspace=0.25)
# 总标题
fig.suptitle("Title centered above all subplots",
fontproperties=p.font,
size=9)
p.savefig('3in1.png')