def ax_draw_macd(axes, kdata, n1=12, n2=26, n3=9):
"""绘制MACD
:param axes: 指定的坐标轴
:param KData kdata: KData
:param int n1: 指标 MACD 的参数1
:param int n2: 指标 MACD 的参数2
:param int n3: 指标 MACD 的参数3
"""
macd = MACD(CLOSE(kdata), n1, n2, n3)
bmacd, fmacd, smacd = macd.getResult(0), macd.getResult(1), macd.getResult(2)
text = 'MACD(%s,%s,%s) DIF:%.2f, DEA:%.2f, BAR:%.2f'%(n1,n2,n3,fmacd[-1],smacd[-1],bmacd[-1])
axes.text(0.01,0.97, text, horizontalalignment='left', verticalalignment='top', transform=axes.transAxes)
total = len(kdata)
x = [i-0.2 for i in range(total)]
x1 = [x[i] for i,d in enumerate(bmacd) if d>0]
y1 = [i for i in bmacd if i>0]
x2 = [x[i] for i,d in enumerate(bmacd) if d<=0]
y2 = [i for i in bmacd if i<=0]
axes.bar(x1,y1, width=0.4, color='r', edgecolor='r')
axes.bar(x2,y2, width=0.4, color='g', edgecolor='g')
axt = axes.twinx()
axt.grid(False)
axt.set_yticks([])
fmacd.plot(axes=axt, linestyle='--', legend_on=False, text_on=False)
smacd.plot(axes=axt, legend_on=False, text_on=False)
for label in axt.get_xticklabels():
label.set_visible(False)
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 ax_draw_sys_signal(axes, kdata, sys, style=2):
"""
"""
refdates = kdata.getDatetimeList()
date_index = dict([(d, i) for i, d in enumerate(refdates)])
ylim = axes.get_ylim()
height = ylim[1] - ylim[0]
if style == 1:
arrow_buy = dict(arrowstyle="->")
arrow_sell = arrow_buy
else:
arrow_buy = dict(facecolor='red', frac=0.5)
arrow_sell = dict(facecolor='blue', frac=0.5)
buy_request = sys.getBuyTradeRequest()
sell_request = sys.getSellTradeRequest()
text_request = ''
if buy_request.valid:
text_request = u'建议买入 止损： %.2f' % (buy_request.stoploss)
color = 'r'
if sell_request.valid:
text_request = u'建议卖出 来源: %s' % (getSystemPartName(sell_request.part))
color = 'b'
if buy_request.valid or sell_request.valid:
axes.text(0.99,
0.03,
text_request,
horizontalalignment='right',
verticalalignment='bottom',
transform=axes.transAxes,
color=color)
dates = sys.getTradeRecordList()
for d in dates:
if not date_index.has_key(d.datetime):
continue
pos = date_index[d.datetime]
krecord = kdata[pos]
if d.business == BUSINESS.BUY:
axes.annotate('SG', (pos, krecord.lowPrice - height * 0.01),
(pos, krecord.lowPrice - height * 0.1),
arrowprops=arrow_buy,
horizontalalignment='center',
verticalalignment='bottom',
color='red')
elif d.business == BUSINESS.SELL:
text = getSystemPartName(d.part)
axes.annotate(text, (pos, krecord.highPrice + height * 0.01),
(pos, krecord.highPrice + height * 0.1),
arrowprops=arrow_sell,
horizontalalignment='center',
verticalalignment='top',
color='blue')
else:
None
def ibar(indicator, new=True, axes=None,
legend_on=False, text_on=False, text_color='k', label=None,
width=0.4, color='r', edgecolor='r',
zero_on=False, *args, **kwargs):
"""绘制indicator柱状图
:param Indicator indicator: Indicator实例
:param axes: 指定的坐标轴
:param new: 是否在新窗口中显示，只在没有指定axes时生效
:param legend_on: 是否打开图例
:param text_on: 是否在左上角显示指标名称及其参数
:param text_color: 指标名称解释文字的颜色，默认为黑色
:param str label: label显示文字信息，text_on 及 legend_on 为 True 时生效
:param zero_on: 是否需要在y=0轴上绘制一条直线
:param width: Bar的宽度
:param color: Bar的颜色
:param edgecolor: Bar边缘颜色
:param args: pylab plot参数
:param kwargs: pylab plot参数
"""
if not indicator:
print("indicator is None")
return
if not axes:
axes = create_figure() if new else gca()
if not label:
label = "%s %.2f" % (indicator.long_name, indicator[-1])
py_indicatr = [ None if x == constant.null_price else x for x in indicator]
x = [i-0.2 for i in range(len(indicator))]
y = py_indicatr
axes.bar(x, py_indicatr, width=width, color=color, edgecolor=edgecolor,
*args, **kwargs)
if legend_on:
leg = axes.legend(loc='upper left')
leg.get_frame().set_alpha(0.5)
if text_on:
if not axes.texts:
axes.text(0.01,0.97, label, horizontalalignment='left', verticalalignment='top',
transform=axes.transAxes, color=text_color)
else:
temp_str = axes.texts[0].get_text() + ' ' + label
axes.texts[0].set_text(temp_str)
if zero_on:
ylim = axes.get_ylim()
if ylim[0]<0<ylim[1]:
axes.hlines(0,0,len(indicator))
axes.autoscale_view()
axes.set_xlim(-1, len(indicator)+1)
def ax_draw_macd2(axes, ref, kdata, n1=12, n2=26, n3=9):
"""绘制MACD。
当BAR值变化与参考序列ref变化不一致时，显示为灰色，
当BAR和参考序列ref同时上涨，显示红色
当BAR和参考序列ref同时下跌，显示绿色
:param axes: 指定的坐标轴
:param ref: 参考序列，EMA
:param KData kdata: KData
:param int n1: 指标 MACD 的参数1
:param int n2: 指标 MACD 的参数2
:param int n3: 指标 MACD 的参数3
"""
macd = MACD(CLOSE(kdata), n1, n2, n3)
bmacd, fmacd, smacd = macd.getResult(0), macd.getResult(1), macd.getResult(2)
text = 'MACD(%s,%s,%s) DIF:%.2f, DEA:%.2f, BAR:%.2f' % (
n1, n2, n3, fmacd[-1], smacd[-1], bmacd[-1]
)
axes.text(
0.01,
0.97,
text,
horizontalalignment='left',
verticalalignment='top',
transform=axes.transAxes
)
total = len(kdata)
x = [i - 0.2 for i in range(0, total)]
y = bmacd
x1, x2, x3 = [x[0]], [], []
y1, y2, y3 = [y[0]], [], []
for i in range(1, total):
if ref[i] - ref[i - 1] > 0 and y[i] - y[i - 1] > 0:
x2.append(x[i])
y2.append(y[i])
elif ref[i] - ref[i - 1] < 0 and y[i] - y[i - 1] < 0:
x3.append(x[i])
y3.append(y[i])
else:
x1.append(x[i])
y1.append(y[i])
axes.bar(x1, y1, width=0.4, color='#BFBFBF', edgecolor='#BFBFBF')
axes.bar(x2, y2, width=0.4, color='r', edgecolor='r')
axes.bar(x3, y3, width=0.4, color='g', edgecolor='g')
axt = axes.twinx()
axt.grid(False)
axt.set_yticks([])
fmacd.plot(axes=axt, linestyle='--', legend_on=False, text_on=False)
smacd.plot(axes=axt, legend_on=False, text_on=False)
for label in axt.get_xticklabels():
label.set_visible(False)
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 ax_draw_macd2(axes, ref, kdata, n1=12, n2=26, n3=9):
"""绘制MACD。
当BAR值变化与参考序列ref变化不一致时，显示为灰色，
当BAR和参考序列ref同时上涨，显示红色
当BAR和参考序列ref同时下跌，显示绿色
:param axes: 指定的坐标轴
:param ref: 参考序列，EMA
:param KData kdata: KData
:param int n1: 指标 MACD 的参数1
:param int n2: 指标 MACD 的参数2
:param int n3: 指标 MACD 的参数3
"""
macd = MACD(CLOSE(kdata), n1, n2, n3)
bmacd, fmacd, smacd = macd.getResult(0), macd.getResult(1), macd.getResult(2)
text = 'MACD(%s,%s,%s) DIF:%.2f, DEA:%.2f, BAR:%.2f'%(n1,n2,n3,fmacd[-1],smacd[-1],bmacd[-1])
axes.text(0.01,0.97, text, horizontalalignment='left', verticalalignment='top', transform=axes.transAxes)
total = len(kdata)
x = [i-0.2 for i in range(0, total)]
y = bmacd
x1,x2,x3 = [x[0]],[],[]
y1,y2,y3 = [y[0]],[],[]
for i in range(1, total):
if ref[i]-ref[i-1]>0 and y[i]-y[i-1]>0:
x2.append(x[i])
y2.append(y[i])
elif ref[i]-ref[i-1]<0 and y[i]-y[i-1]<0:
x3.append(x[i])
y3.append(y[i])
else:
x1.append(x[i])
y1.append(y[i])
axes.bar(x1,y1, width=0.4, color='#BFBFBF', edgecolor='#BFBFBF')
axes.bar(x2,y2, width=0.4, color='r', edgecolor='r')
axes.bar(x3,y3, width=0.4, color='g', edgecolor='g')
axt = axes.twinx()
axt.grid(False)
axt.set_yticks([])
fmacd.plot(axes=axt, linestyle='--', legend_on=False, text_on=False)
smacd.plot(axes=axt, legend_on=False, text_on=False)
for label in axt.get_xticklabels():
label.set_visible(False)
def ax_draw_macd(axes, kdata, n1=12, n2=26, n3=9):
"""绘制MACD
:param axes: 指定的坐标轴
:param KData kdata: KData
:param int n1: 指标 MACD 的参数1
:param int n2: 指标 MACD 的参数2
:param int n3: 指标 MACD 的参数3
"""
macd = MACD(CLOSE(kdata), n1, n2, n3)
bmacd, fmacd, smacd = macd.getResult(0), macd.getResult(1), macd.getResult(2)
text = 'MACD(%s,%s,%s) DIF:%.2f, DEA:%.2f, BAR:%.2f' % (
n1, n2, n3, fmacd[-1], smacd[-1], bmacd[-1]
)
axes.text(
0.01,
0.97,
text,
horizontalalignment='left',
verticalalignment='top',
transform=axes.transAxes
)
total = len(kdata)
x = [i - 0.2 for i in range(total)]
x1 = [x[i] for i, d in enumerate(bmacd) if d > 0]
y1 = [i for i in bmacd if i > 0]
x2 = [x[i] for i, d in enumerate(bmacd) if d <= 0]
y2 = [i for i in bmacd if i <= 0]
axes.bar(x1, y1, width=0.4, color='r', edgecolor='r')
axes.bar(x2, y2, width=0.4, color='g', edgecolor='g')
axt = axes.twinx()
axt.grid(False)
axt.set_yticks([])
fmacd.plot(axes=axt, linestyle='--', legend_on=False, text_on=False)
smacd.plot(axes=axt, legend_on=False, text_on=False)
for label in axt.get_xticklabels():
label.set_visible(False)
def ibar(
indicator,
new=True,
axes=None,
legend_on=False,
text_on=False,
text_color='k',
label=None,
width=0.4,
color='r',
edgecolor='r',
zero_on=False,
*args,
**kwargs
):
"""绘制indicator柱状图
:param Indicator indicator: Indicator实例
:param axes: 指定的坐标轴
:param new: 是否在新窗口中显示，只在没有指定axes时生效
:param legend_on: 是否打开图例
:param text_on: 是否在左上角显示指标名称及其参数
:param text_color: 指标名称解释文字的颜色，默认为黑色
:param str label: label显示文字信息，text_on 及 legend_on 为 True 时生效
:param zero_on: 是否需要在y=0轴上绘制一条直线
:param width: Bar的宽度
:param color: Bar的颜色
:param edgecolor: Bar边缘颜色
:param args: pylab plot参数
:param kwargs: pylab plot参数
"""
if not indicator:
print("indicator is None")
return
if not axes:
axes = create_figure() if new else gca()
if not label:
label = "%s %.2f" % (indicator.long_name, indicator[-1])
py_indicatr = [None if x == constant.null_price else x for x in indicator]
x = [i - 0.2 for i in range(len(indicator))]
y = py_indicatr
axes.bar(x, py_indicatr, width=width, color=color, edgecolor=edgecolor, *args, **kwargs)
if legend_on:
leg = axes.legend(loc='upper left')
leg.get_frame().set_alpha(0.5)
if text_on:
if not axes.texts:
axes.text(
0.01,
0.97,
label,
horizontalalignment='left',
verticalalignment='top',
transform=axes.transAxes,
color=text_color
)
else:
temp_str = axes.texts[0].get_text() + ' ' + label
axes.texts[0].set_text(temp_str)
if zero_on:
ylim = axes.get_ylim()
if ylim[0] < 0 < ylim[1]:
axes.hlines(0, 0, len(indicator))
axes.autoscale_view()
axes.set_xlim(-1, len(indicator) + 1)
k = indicator.get_context()
if len(k) > 0:
ax_set_locator_formatter(axes, k.get_date_list(), k.get_query().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 iplot(indicator,
new=True,
axes=None,
legend_on=False,
text_on=False,
text_color='k',
zero_on=False,
label=None,
*args,
**kwargs):
"""绘制indicator曲线
:param Indicator indicator: indicator实例
:param axes: 指定的坐标轴
:param new: 是否在新窗口中显示，只在没有指定axes时生效
:param legend_on: 是否打开图例
:param text_on: 是否在左上角显示指标名称及其参数
:param text_color: 指标名称解释文字的颜色，默认为黑色
:param zero_on: 是否需要在y=0轴上绘制一条直线
:param str label: label显示文字信息，text_on 及 legend_on 为 True 时生效
:param args: pylab plot参数
:param kwargs: pylab plot参数，如：marker（标记类型）、
markerfacecolor（标记颜色）、
markeredgecolor（标记的边缘颜色）
"""
if not indicator:
print("indicator is None")
return
if not axes:
axes = create_figure() if new else gca()
if not label:
label = "%s %.2f" % (indicator.long_name, indicator[-1])
py_indicatr = [None if x == constant.null_price else x for x in indicator]
axes.plot(py_indicatr, '-', label=label, *args, **kwargs)
if legend_on:
leg = axes.legend(loc='upper left')
leg.get_frame().set_alpha(0.5)
if text_on:
if not axes.texts:
axes.text(0.01,
0.97,
label,
horizontalalignment='left',
verticalalignment='top',
transform=axes.transAxes,
color=text_color)
else:
temp_str = axes.texts[0].get_text() + ' ' + label
axes.texts[0].set_text(temp_str)
if zero_on:
ylim = axes.get_ylim()
if ylim[0] < 0 < ylim[1]:
axes.hlines(0, 0, len(indicator))
axes.autoscale_view()
axes.set_xlim(-1, len(indicator) + 1)
def ibar(indicator,
axes=None,
width=0.4,
color='r',
edgecolor='r',
new=True,
legend_on=False,
text_on=False,
text_color='k',
label=None,
zero_on=False,
*args,
**kwargs):
"""绘制indicator曲线
indicator: Indicator实例
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
legend_on : 是否打开图例
text_on: 是否在左上角显示指标名称及其参数
text_color: 指标名称解释文字的颜色，默认为黑色
zero_on: 是否需要在y=0轴上绘制一条直线
*args, **kwargs : pylab bar参数
"""
if not indicator:
print("indicator is None")
return
if not axes:
axes = create_one_axes_figure() if new else gca()
if not label:
label = "%s %.2f" % (indicator.long_name, indicator[-1])
py_indicatr = [None if x == constant.null_price else x for x in indicator]
x = [i - 0.2 for i in range(len(indicator))]
y = py_indicatr
axes.bar(x,
py_indicatr,
width=width,
color=color,
edgecolor=edgecolor,
*args,
**kwargs)
if legend_on:
leg = axes.legend(loc='upper left')
leg.get_frame().set_alpha(0.5)
if text_on:
if not axes.texts:
axes.text(0.01,
0.97,
label,
horizontalalignment='left',
verticalalignment='top',
transform=axes.transAxes,
color=text_color)
else:
temp_str = axes.texts[0].get_text() + ' ' + label
axes.texts[0].set_text(temp_str)
if zero_on:
ylim = axes.get_ylim()
if ylim[0] < 0 < ylim[1]:
axes.hlines(0, 0, len(indicator))
axes.autoscale_view()
axes.set_xlim(-1, len(indicator) + 1)
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)
