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plotly_signif.py
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plotly_signif.py
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import pandas as pd
import numpy as np
import plotly.graph_objects as go
from kaleido.scopes.plotly import PlotlyScope
class plotly_signif():
def __init__(self,data=pd.DataFrame,error=pd.DataFrame,text={},json={},mode="Bar") -> None:
self.fig = go.Figure()
self.df = data
self.error = error
self.text = text
self.mode = mode # "Bar","Box","hBar","hBox"
self.Group_name = list(self.df.index)
self.inne_num = self.df.shape[1] #一组几个柱
self.width = 0.5 / self.inne_num # 柱宽
self.bargap = 0.25 # 表示类内间隔
self.color = ["#5044f3",'#8ca0f7',"rgba(104, 135, 255,0.4)",'#4DECB9', "rgba(154, 225, 155,0.4)"] #默认颜色
def plot(self,pic_px=[650,600],Box_list = []):
'''
Box_list = ["which Group","which x","which y"]
'''
if self.mode[-3:] == "Bar":
for i, column in enumerate(self.df.columns):
self.fig.add_trace(go.Bar(
x=self.df.index,
y=self.df[column],
name=column,
marker_color=self.color[i % len(self.color)], # 根据索引获取循环的颜色
width=self.width,
marker=dict(
line=dict(color='rgba(22, 24, 27, 0.7)', width=0)
),
error_y=dict(
type='data',
array=self.error[column],
visible=True,
color='black',
width = 16/self.inne_num ,thickness=1.6
)
))
self.fig.update_layout(
barmode = 'group',
bargap= self.bargap,
)
self.fig.update_traces(textfont_family="Raleway", selector=dict(type='bar'))
elif self.mode[-3:] == "Box":
self.inne_num = self.df[Box_list[0]].nunique()
self.width = 0.5 / self.inne_num
for i,j in enumerate(self.df[Box_list[0]].unique()):
self.fig.add_trace(go.Box(
x=self.df[Box_list[1]][self.df[Box_list[0]] == j],
y=self.df[Box_list[2]][self.df[Box_list[0]] == j],
legendgroup='M',
name=j,
marker_color=self.color[i % len(self.color)],
))
self.fig.update_layout(
boxmode ='group', # group together boxes of the different traces for each value of x
boxgap = self.bargap,
)
else:
pass
self.fig.update_xaxes(title_text=self.text["x"], showline=True, linewidth=3, linecolor='black', tickangle=0,gridcolor='#EEEEEE',
ticks='outside',title_font=dict(size=18, color='black'),
tickfont=dict(size=18, color='black'))
self.fig.update_yaxes(title_text=self.text["y"],showline=True, linewidth=3, linecolor='black', tickfont=dict(size=16),
title_standoff=10,tickmode='auto',showticklabels=True,ticks='outside',
title_font=dict(size=18, color='black'))
self.fig.update_layout(
plot_bgcolor='#ffffff', # 设置背景色为白色
hovermode='closest',
dragmode='select',
width=pic_px[0],height=pic_px[1], # 图 -> 宽/高
)
self.fig.update_layout(
legend=dict(
x=1,
y=0.5,
traceorder="normal",
font=dict(size=15),
),
)
def show(self,save_path=None,scale=400/96):
self.fig.show()
if save_path is None:
pass
else:
scope = PlotlyScope()
with open(save_path, "wb") as f:
f.write(scope.transform(self.fig, format="png",scale=scale))
def add_annotations(self,annotation_list=list(),
text="***",size=16,color = 'rgba(0,0,0,1)',inne_color="rgba(100,100,100,1)",line_width=1.5, # 传到annotation的
y_max_index = 1.15,layer_down_index = 0.08,sign_d_index = 4,line_d_index = 3.2,
):
'''
annotation_list: 显著标识的位置, list | tuple,
(最后一个数值表示y轴位置,0 最高, 最高位置由 y_max 设置, 增大1下落一个part_down的间隔,传进annotationq前会删去)
如[0,1,0]表示要画的两个组的x轴次序,[1,0,1,1]表示要画在第2个组内的1、2两个bar间。
text: 标识符号，也可以为 🪙🆙🏅⭐🔥🍋💔😃😭 等符号。可见 https://www.emojiall.com/zh-hans/copy
size: 标识符号字体大小
color: 线框颜色; width:线宽度 ;
d : 线和标识符号的距离 ; line_d : 线下沿的长度
layer_down : 上下间距, y_max : 最上层y轴位置
'''
if self.mode[0] == "h": # 水平绘图
bar_max = self.fig.data[0]["x"].max()
else:
bar_max = self.fig.data[0]["y"].max()
y_max = bar_max * y_max_index
layer_down = y_max * layer_down_index
d = layer_down / sign_d_index
line_d = layer_down / line_d_index
for i in annotation_list:
y_layer = i[-1]
y = y_max - layer_down * y_layer
self.annotation(anno_at = i[:-1],y_max = y,text=text,size=size,color =color,inne_color=inne_color,line_width=line_width,d = d,line_d = line_d)
def annotation(self,anno_at,inne=False,**kwargs):
'''
inne: 是否为组内标识,bool
'''
assert isinstance(anno_at, list or tuple), "标识指示为空或格式错误, list | tuple"
d = kwargs["d"]
line_d = kwargs["line_d"]
y_max = kwargs["y_max"]
if len(anno_at) == 3:
inne = True
if inne is True:
line_d = line_d * 0.7
group_at = anno_at[0]
mean = int(self.inne_num / 2)
between = self.width*(1 + self.bargap*2)
if self.inne_num % 2 == 0:
diff1 = (anno_at[1] - mean + 0.5) * between
diff2 = (anno_at[2] - mean + 0.5) * between
else:
diff1 = (anno_at[1] - mean) * between
diff2 = (anno_at[2] - mean) * between
self.fig.add_annotation(text=kwargs["text"],name="p-value",xref="x", yref="y",
x=group_at + (diff1+diff2)/2 , y=y_max + d, showarrow=False,font=dict(size=kwargs["size"], color=kwargs["inne_color"]),)
self.fig.add_shape(type="line",x0=group_at + diff1,y0=y_max, x1=group_at + diff2, y1=y_max,
line=dict(color=kwargs["inne_color"],width=kwargs["line_width"]))
self.fig.add_shape(type="line",x0=group_at + diff1,y0=y_max-line_d, x1=group_at + diff1, y1=y_max,
line=dict(color=kwargs["inne_color"],width=kwargs["line_width"]))
self.fig.add_shape(type="line",x0=group_at + diff2,y0=y_max-line_d, x1=group_at + diff2, y1=y_max,
line=dict(color=kwargs["inne_color"],width=kwargs["line_width"]))
else:
x_local = np.array(anno_at).mean()
self.fig.add_annotation(text=kwargs["text"],name="p-value",xref="x", yref="y",
x=x_local, y=y_max+d, showarrow=False,font=dict(size=kwargs["size"], color=kwargs["color"]),)
self.fig.add_shape(type="line",x0=self.Group_name[anno_at[0]],y0=y_max, x1=self.Group_name[anno_at[1]], y1=y_max,
line=dict(color=kwargs["color"],width=kwargs["line_width"]))
self.fig.add_shape(type="line",x0=self.Group_name[anno_at[0]],y0=y_max-line_d, x1=self.Group_name[anno_at[0]], y1=y_max,
line=dict(color=kwargs["color"],width=kwargs["line_width"]))
self.fig.add_shape(type="line",x0=self.Group_name[anno_at[1]],y0=y_max-line_d, x1=self.Group_name[anno_at[1]], y1=y_max,
line=dict(color=kwargs["color"],width=kwargs["line_width"]))
def set_color(self,color):
self.color = color