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MACD柱状图颜色逻辑：零轴上方用红色（上涨实心、下跌空心），零轴下方用绿色（下跌实心、上涨空心）。

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aszerW
2025-10-19 13:14:30 +08:00
parent c9edd37cb1
commit c6a1da2449
1 changed files with 12 additions and 3 deletions
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15
chart.py
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@@ -224,9 +224,18 @@ class QuantChart:
histogram = macd_chart.create_histogram(name=macd_name) histogram = macd_chart.create_histogram(name=macd_name)
hist_data = df[["time", macd_name]].copy() hist_data = df[["time", macd_name]].copy()
hist_data["color"] = hist_data[macd_name].apply( hist_data['prev_value'] = hist_data[macd_name].shift(1)
lambda x: "#00FF00" if x < 0 else "#ff0000" # 绿色 : 红色 # 设置颜色逻辑
) def get_histogram_color(row):
current, prev = row[macd_name], row['prev_value']
is_hollow = (current >= 0 and current < prev) or (current < 0 and current > prev)
if current >= 0:
return "rgba(255, 0, 0, 0.3)" if is_hollow else "#ff0000"
else:
return "rgba(0, 255, 0, 0.3)" if is_hollow else "#00FF00"
hist_data["color"] = hist_data.apply(get_histogram_color, axis=1)
hist_data = hist_data.drop('prev_value', axis=1)
histogram.set(hist_data) histogram.set(hist_data)
macd_line = macd_chart.create_line( macd_line = macd_chart.create_line(