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figurenew.py
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figurenew.py
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import pywt
from scipy.signal import resample
import os
from obspy import read as pread
from obspy import Stream
import numpy as np
import matplotlib.pyplot as plt
from pysac import SacStreamIO
import stft
import heapq
import scipy
#为了画图更好看,其实并没有
import matplotlib as mpl
import scipy.signal as signal
import simhash
import mynilsimsa
from datasketch import WeightedMinHashGenerator
#mpl.style.use('seaborn-darkgrid')
DIR = "D:/Weiyuan/"
CATLOG = "catlog/"
TEMPLATES = "templates/"
class SacFig():
def GetData(self,file):
st=pread(file)
return st[0].data
def __init__(self,staName,force=False):
self.wlWinN=300
self.wlLagN=5
self.fqWinN=300
self.fqLagN=5
self.fqRspN=32
self.wlRspN=32
self.selmax=90
self.wl_x_level=3
self.vectLen=self.fqRspN*self.wlRspN
self.wmg = WeightedMinHashGenerator(self.vectLen,sample_size=2, seed=12)
self.sta=False
self.sphs=self.fqLagN*self.wlLagN/100
self.GetSta(staName,force=force)
#tempdata=self.GetData("D:/Weiyuan/templates/2015318092941.s15.z")
def GetHash(self):
self.hash=[]
step=self.fqLagN*self.wlLagN
for itr in range(self.datalen):
data=self.STFT(self.dt,itr*step)
data=self.WAVELET(data,self.wl_x_level)
data=self.REGU(data)
data=self.TRIM(data,self.selmax)
data=self.FIG(data)
self.hash.append(data)
return self.hash
def GetHashTofile(self,fileName,outfile,force=False):
ext=[DIR+"s28/2015336/2015336_00_00_00_s28_BHZ.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHN.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHE.SAC"]
dt=[]
if(len(self.GetData(fileName[0]))<10000):
#print(len(self.GetData(fileName[0])<10000))
for fn in range(len(fileName)):
ddt=self.GetData(ext[fn])[:10000]
cp=len(self.GetData(fileName[fn]))
#ddt[:cp]=ddt[:cp]+np.zeros([cp])
ddt[:cp]=ddt[:cp]+self.GetData(fileName[fn])
dt.append(ddt)
else:
for fn in fileName:
dt.append(self.GetData(fn)[500000:1000000])
#dt=[dt[2]]
datalen=int((len(dt[0])-self.wlLagN*self.wlWinN-self.fqWinN)/self.fqLagN/self.wlLagN)
file=open(outfile,"w")
step=self.fqLagN*self.wlLagN
for itr in range(datalen):
data=self.STFT(dt,itr*step)
data=self.WAVELET(data,3)
"""
data=self.REGU(data)
data=self.TRIM(data,self.selmax)
try:
data=self.FIG(data)
except:
data=[0,0]
tm=itr*self.sphs
file.write("%f,"%(tm))
for itr in data:
file.write("%d,"%itr)
file.write("\n")
"""
file.close()
def GetSta(self,fileName,force=False):
if(force==True):
self.sta=False
if(os.path.exists("stat.out.npz")==True):
os.remove("stat.out.npz")
if(self.sta==True):
return
if(os.path.exists("stat.out.npz")==True):
data=np.load("stat.out.npz")
self.mu=data['a']
self.sigma=data['b']
self.sta=True
return
dt_for_sta=np.zeros([4000,self.vectLen])
dt=[]
for fn in fileName:
dt.append(self.GetData(fn))
for idx in range(4000):
data=self.STFT(dt,idx*1000)
dt_for_sta[idx,:]=self.WAVELET(data,3)
self.mu =np.average(dt_for_sta,axis=0)
self.sigma=np.std(dt_for_sta,axis=0)
np.savez("stat.out.npz",a=self.mu,b=self.sigma)
self.sta=True
def STFT(self,xx,idx):
fqWin=int(self.fqWinN/2)
sumx=np.zeros([self.wlWinN,fqWin])
tpx=np.zeros([self.wlWinN,self.fqWinN])
for itx in xx:
w = np.ones([self.fqWinN])
#w = np.hanning(self.fqWinN)
w[0]=w[0]=0
tpx[:,:]=np.zeros([self.wlWinN,self.fqWinN])
for ii in range(self.wlWinN):
start=ii*self.fqLagN+idx
tpx[ii,:]=itx[start:start+self.fqWinN]
tpx[:,:]=tpx/np.max(tpx)
X=scipy.fft(tpx,axis=1)
X=(X*w)[:,:fqWin]
X=np.square(np.abs(X))
sumx=np.add(sumx,X)
sumx=np.sqrt(sumx)
sumx=resample(sumx,self.wlRspN,axis=0)
sumx=resample(sumx,self.fqRspN,axis=1)
return sumx
def WAVELET(self,data,level):
outdt=pywt.wavedec2(data,'haar',level=level)
out=np.zeros([self.vectLen])
idx=0
for itr in outdt:
evaldt=np.reshape(itr,[-1])
cit=len(evaldt)
out[idx:idx+cit]=evaldt[:]
idx+=cit
out2=np.sqrt(np.sum(np.square(out)))
out=np.divide(out,out2)
return out
def REGU(self,data):
rdata=data-self.mu
rdata=np.divide(rdata,self.sigma)
return rdata
def TRIM(self,data,nlarge):
absdata=np.abs(data)
large=heapq.nlargest(nlarge,
range(len(data)),
key=lambda x:absdata[x])
lst=np.zeros_like(data)
for itr in large:
lst[itr]=data[itr]/absdata[itr]
return lst
def FIG(self,tr):
wm = self.wmg.minhash(tr) # wm1 is of the type WeightedMinHash
vl=np.transpose(wm.hashvalues)
vl=vl[0]
return(vl.tolist())
def PrintDT1(outFile,lgt,hdT):
sc=0
for it in hdT:
sc+=1
tm=lgt*sc
outFile.write("%f,"%(tm))
for itr in it:
outFile.write("%d,"%itr)
outFile.write("\n")
#outFile.write("%f,%d,%d\n"%(sc,a1.hash[it][0],a1.hash[it][1]))
def PrintDT2(file,dt):
sc=0
for it in hdT:
sc+=1
tm=1*sc
#outFile.write("%d:%d:%d,"%(int(tm/3600),int((tm%3600)/60),int(tm%60)))
outFile.write("%5.1f,"%(it[-1]))
for itr in it[:-1]:
outFile.write("%d,"%itr)
outFile.write("\n")
#outFile.write("%f,%d,%d\n"%(sc,a1.hash[it][0],a1.hash[it][1]))
import threading
from multiprocessing import Process
from getdir import *
if __name__ == '__main__':
bits=2
import time
USEFOR=["HASH","Template"]
for useitr in USEFOR:
if(useitr=="HASH"):
tag='.hash10'
scFile=[[DIR+"s28/2015336/2015336_00_00_00_s28_BHE.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHN.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHZ.SAC"],
[DIR+"s28/2015337/2015337_00_00_00_s28_BHE.SAC",
DIR+"s28/2015337/2015337_00_00_00_s28_BHN.SAC",
DIR+"s28/2015337/2015337_00_00_00_s28_BHZ.SAC"],
[DIR+"s28/2015338/2015338_00_00_00_s28_BHE.SAC",
DIR+"s28/2015338/2015338_00_00_00_s28_BHN.SAC",
DIR+"s28/2015338/2015338_00_00_00_s28_BHZ.SAC"]
][1:2]
a1=SacFig(scFile[0],force=True)
else:
a1=SacFig([DIR+"s28/2015336/2015336_00_00_00_s28_BHE.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHN.SAC",
DIR+"s28/2015336/2015336_00_00_00_s28_BHZ.SAC"],force=False)
tag=".template10"
scFile=GetTempFiles()
for fileName in scFile:
names=fileName[0].split('/')
#Process(target=a1.GetHashTofile,
#args=(fileName,names[2]+names[3]+tag)).start()
a1.GetHashTofile(fileName,names[2]+names[3]+tag)
print(fileName)
#break