def kplot(kdata, new=True, axes=None,
colorup='r', colordown='g', width=0.6, alpha=1.0):
"""绘制K线图
:param KData kdata: K线数据
:param bool new: 是否在新窗口中显示，只在没有指定axes时生效
:param axes: 指定的坐标轴
:param colorup: the color of the rectangle where close >= open
:param colordown: the color of the rectangle where close < open
:param width: fraction of a day for the rectangle width
:param alpha: the rectangle alpha level, 透明度(0.0~1.0) 1.0为不透明
"""
if not kdata:
print("kdata is None")
return
if not axes:
axes = create_figure() if new else gca()
OFFSET = width/2.0
rfcolor = matplotlib.rcParams['axes.facecolor']
for i in range(len(kdata)):
record = kdata[i]
open, high, low, close = record.openPrice, record.highPrice, record.lowPrice, record.closePrice
if close>=open:
color = colorup
lower = open
height = close-open
rect = Rectangle(xy=(i-OFFSET, lower), width=width, height=height, facecolor=rfcolor, edgecolor=color)
else:
color = colordown
lower = close
height = open-close
rect = Rectangle(xy=(i-OFFSET, lower), width=width, height=height, facecolor=color, edgecolor=color)
vline1 = Line2D(xdata=(i, i), ydata=(low, lower), color=color, linewidth=0.5, antialiased=True)
vline2 = Line2D(xdata=(i, i), ydata=(lower+height, high), color=color, linewidth=0.5, antialiased=True)
rect.set_alpha(alpha)
axes.add_line(vline1)
axes.add_line(vline2)
axes.add_patch(rect)
title = get_draw_title(kdata)
axes.set_title(title)
last_record = kdata[-1]
color = 'r' if last_record.closePrice>kdata[-2].closePrice else 'g'
text = u'%s 开:%.2f 高:%.2f 低:%.2f 收:%.2f 涨幅:%.2f%%' % (
last_record.datetime.number/10000,
last_record.openPrice, last_record.highPrice,
last_record.lowPrice, last_record.closePrice,
100*(last_record.closePrice-kdata[-2].closePrice)/kdata[-2].closePrice)
axes.text(0.99,0.97, text, horizontalalignment='right', verticalalignment='top',
transform=axes.transAxes, color=color)
axes.autoscale_view()
axes.set_xlim(-1, len(kdata)+1)
ax_set_locator_formatter(axes, kdata.getDatetimeList(), kdata.getQuery().kType)
def mkplot(kdata, new=True, axes=None, colorup='r', colordown='g', ticksize=3):
"""绘制美式K线图
:param KData kdata: K线数据
:param bool new: 是否在新窗口中显示，只在没有指定axes时生效
:param axes: 指定的坐标轴
:param colorup: the color of the lines where close >= open
:param colordown: the color of the lines where close < open
:param ticksize: open/close tick marker in points
"""
if not kdata:
print("kdata is None")
return
if not axes:
axes = create_figure() if new else gca()
for t in range(len(kdata)):
record = kdata[t]
open, high, low, close = record.openPrice, record.highPrice, record.lowPrice, record.closePrice
color = colorup if close>=open else colordown
vline = Line2D(xdata=(t, t), ydata=(low, high), color=color, antialiased=False)
oline = Line2D(xdata=(t, t), ydata=(open, open), color=color, antialiased=False,
marker=TICKLEFT, markersize=ticksize)
cline = Line2D(xdata=(t, t), ydata=(close, close), color=color, antialiased=False,
markersize=ticksize, marker=TICKRIGHT)
axes.add_line(vline)
axes.add_line(oline)
axes.add_line(cline)
title = get_draw_title(kdata)
axes.set_title(title)
last_record = kdata[-1]
color = 'r' if last_record.closePrice>kdata[-2].closePrice else 'g'
text = u'%s 开:%.2f 高:%.2f 低:%.2f 收:%.2f' % (last_record.datetime.number/10000,
last_record.openPrice,
last_record.highPrice,
last_record.lowPrice,
last_record.closePrice)
axes.text(0.99,0.97, text, horizontalalignment='right', verticalalignment='top',
transform=axes.transAxes, color=color)
axes.autoscale_view()
#axes.set_xlim(0, len(kdata))
ax_set_locator_formatter(axes, kdata.getDatetimeList(), kdata.getQuery().kType)
def mkplot(kdata, new=True, axes=None, colorup='r', colordown='g', ticksize=3):
"""绘制美式K线图
:param KData kdata: K线数据
:param bool new: 是否在新窗口中显示，只在没有指定axes时生效
:param axes: 指定的坐标轴
:param colorup: the color of the lines where close >= open
:param colordown: the color of the lines where close < open
:param ticksize: open/close tick marker in points
"""
if not kdata:
print("kdata is None")
return
if not axes:
axes = create_figure() if new else gca()
for t in range(len(kdata)):
record = kdata[t]
open, high, low, close = record.open, record.high, record.low, record.close
color = colorup if close >= open else colordown
vline = Line2D(xdata=(t, t), ydata=(low, high), color=color, antialiased=False)
oline = Line2D(
xdata=(t, t),
ydata=(open, open),
color=color,
antialiased=False,
marker=TICKLEFT,
markersize=ticksize
)
cline = Line2D(
xdata=(t, t),
ydata=(close, close),
color=color,
antialiased=False,
markersize=ticksize,
marker=TICKRIGHT
)
axes.add_line(vline)
axes.add_line(oline)
axes.add_line(cline)
title = get_draw_title(kdata)
axes.set_title(title)
last_record = kdata[-1]
color = 'r' if last_record.close > kdata[-2].close else 'g'
text = u'%s 开:%.2f 高:%.2f 低:%.2f 收:%.2f' % (
last_record.date.number / 10000, last_record.open, last_record.high, last_record.low,
last_record.close
)
axes.text(
0.99,
0.97,
text,
horizontalalignment='right',
verticalalignment='top',
transform=axes.transAxes,
color=color
)
axes.autoscale_view()
axes.set_xlim(-1, len(kdata) + 1)
ax_set_locator_formatter(axes, kdata.get_date_list(), kdata.get_query().ktype)
def kplot(kdata, new=True, axes=None, colorup='r', colordown='g', width=0.6, alpha=1.0):
"""绘制K线图
:param KData kdata: K线数据
:param bool new: 是否在新窗口中显示，只在没有指定axes时生效
:param axes: 指定的坐标轴
:param colorup: the color of the rectangle where close >= open
:param colordown: the color of the rectangle where close < open
:param width: fraction of a day for the rectangle width
:param alpha: the rectangle alpha level, 透明度(0.0~1.0) 1.0为不透明
"""
if not kdata:
print("kdata is None")
return
if not axes:
axes = create_figure() if new else gca()
OFFSET = width / 2.0
rfcolor = matplotlib.rcParams['axes.facecolor']
for i in range(len(kdata)):
record = kdata[i]
open, high, low, close = record.open, record.high, record.low, record.close
if close >= open:
color = colorup
lower = open
height = close - open
rect = Rectangle(
xy=(i - OFFSET, lower),
width=width,
height=height,
facecolor=rfcolor,
edgecolor=color
)
else:
color = colordown
lower = close
height = open - close
rect = Rectangle(
xy=(i - OFFSET, lower),
width=width,
height=height,
facecolor=color,
edgecolor=color
)
vline1 = Line2D(
xdata=(i, i), ydata=(low, lower), color=color, linewidth=0.5, antialiased=True
)
vline2 = Line2D(
xdata=(i, i),
ydata=(lower + height, high),
color=color,
linewidth=0.5,
antialiased=True
)
rect.set_alpha(alpha)
axes.add_line(vline1)
axes.add_line(vline2)
axes.add_patch(rect)
title = get_draw_title(kdata)
axes.set_title(title)
last_record = kdata[-1]
color = 'r' if last_record.close > kdata[-2].close else 'g'
text = u'%s 开:%.2f 高:%.2f 低:%.2f 收:%.2f 涨幅:%.2f%%' % (
last_record.date.number / 10000, last_record.open, last_record.high, last_record.low,
last_record.close, 100 * (last_record.close - kdata[-2].close) / kdata[-2].close
)
axes.text(
0.99,
0.97,
text,
horizontalalignment='right',
verticalalignment='top',
transform=axes.transAxes,
color=color
)
axes.autoscale_view()
axes.set_xlim(-1, len(kdata) + 1)
ax_set_locator_formatter(axes, kdata.get_date_list(), kdata.get_query().ktype)
def mkplot(kdata, ticksize=3, colorup='r', colordown='g', axes=None, new=True):
"""绘制美式K线图，x轴使用数据的自然索引做下标，并不使用quotes中的time
kdata : KData实例
ticksize : open/close tick marker in points
colorup : the color of the lines where close >= open
colordown : the color of the lines where close < open
axes : 指定的坐标轴
new : 是否在新窗口中显示，只在没有指定axes时生效
"""
if not kdata:
print("kdata is None")
return
if not axes:
axes = create_one_axes_figure() if new else gca()
for t in range(len(kdata)):
record = kdata[t]
open, high, low, close = record.openPrice, record.highPrice, record.lowPrice, record.closePrice
color = colorup if close >= open else colordown
vline = Line2D(xdata=(t, t),
ydata=(low, high),
color=color,
antialiased=False)
oline = Line2D(xdata=(t, t),
ydata=(open, open),
color=color,
antialiased=False,
marker=TICKLEFT,
markersize=ticksize)
cline = Line2D(xdata=(t, t),
ydata=(close, close),
color=color,
antialiased=False,
markersize=ticksize,
marker=TICKRIGHT)
axes.add_line(vline)
axes.add_line(oline)
axes.add_line(cline)
title = get_draw_title(kdata)
axes.set_title(title)
last_record = kdata[-1]
color = 'r' if last_record.closePrice > kdata[-2].closePrice else 'g'
text = u'%s 开:%.2f 高:%.2f 低:%.2f 收:%.2f' % (
last_record.datetime.number / 10000, last_record.openPrice,
last_record.highPrice, last_record.lowPrice, last_record.closePrice)
axes.text(0.99,
0.97,
text,
horizontalalignment='right',
verticalalignment='top',
transform=axes.transAxes,
color=color)
axes.autoscale_view()
#axes.set_xlim(0, len(kdata))
ax_set_locator_formatter(axes, kdata.getDatetimeList(),
kdata.getQuery().kType)
