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faampara__define.pro
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faampara__define.pro
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; copied from /home/fp0100/tardis/tardis/mrf_idl/faampara__define.pro
function faampara::init,variable,start,stop,d,Flags=f, $
runname=runname,frequency=frequency
self.frequency=1
nsec=0
self.variable=variable
self->setdata,D,flags=F,frequency=frequency
self.start=start
self.stop=stop
if(n_elements(runname) GT 0) then self.runname=runname
return,1
end
pro faampara::avg,data,flags,n2,ratio
n=n_elements(data)
data2=fltarr(n2)
flags2=bytarr(n2)
for i=0l,n2-1l do begin
ixn=((i+1)*ratio)-1
if ixn GE n then ixn=n-1
xd=data(i*ratio:ixn)
xf=flags(i*ratio:ixn)
minf=min(xf)
ixf=where(xf eq minf)
nixf=n_elements(ixf)
data2(i)=mean(xd(ixf))
flags2(i)=minf
endfor
data=data2
flags=flags2
return
end
pro faampara::stretch,data,flags,n2,ratio
n=n_elements(data)
data2=fltarr(n2)
flags2=bytarr(n2)
for i=0l,n-1l do begin
ixn=((i+1)*ratio)-1
if ixn GE n2 then ixn=n2-1
data2(i*ratio:ixn)=data(i)
flags2(i*ratio:ixn)=flags(i)
endfor
data=data2
flags=flags2
return
end
pro faampara::spot1,data,flags,n2,ratio
n=n_elements(data)
data2=fltarr(n2)
flags2=bytarr(n2)
data2(*)=-9999.0
flags2(*)=3
for i=0l,n-1 do begin
data2(i*ratio)=data(i)
flags2(i*ratio)=flags(i)
endfor
data=data2
flags=flags2
return
end
pro faampara::spot2,data,flags,n2,ratio
n=n_elements(data)
data2=fltarr(n2)
flags2=bytarr(n2)
for i=0l,n2-1 do begin
data2(i)=data(i*ratio)
flags2(i)=flags(i*ratio)
endfor
data=data2
flags=flags2
return
end
pro faampara::interp,data,flags,flag
if n_elements(flag) eq 0 then flag=0
i=where(flags le flag)
ni=long(n_elements(i))
if ni GT 1 then begin
for i1=0l,ni-2l do begin
idx1=i(i1)
idx2=i(i1+1)
if idx2 GT (idx1+1) then begin
idiff=idx2-idx1
diff=data(idx2)-data(idx1)
missbit=(1.0+findgen(idiff-1))/float(idiff)
missbit=missbit*diff+data(idx1)
imissbit=lindgen(idiff-1)+idx1+1
data(imissbit)=missbit
flags(imissbit)=flag+1
endif
endfor
endif
return
end
function faampara::GetData,flags=flags,maxflag=maxflag, $
tstep=tstep,freq=freq,avg=avg,stretch=stretch, $
interpflag=interpflag,raw=raw
d=*self.data
f=*self.flags
if(not(keyword_set(raw))) then begin
if n_elements(tstep) eq 0 then tstep=1l
if n_elements(freq) eq 0 then freq=1l
tstep=long(tstep)
freq=long(freq)
if tstep LT 1l then tstep=1l
if freq GT 1 and tstep GT 1 then begin
print,'Incompatible keywords FREQ and TSTEP setting FREQ=1'
freq=1
endif
nsecs=(self.stop-self.start)+1l
insize=nsecs/tstep
insize2=insize
if insize*tstep ne nsecs then insize=insize+1
insize=insize*freq
insize2=insize2*freq
indx=n_elements(d)
rat1=float(freq)/(self.frequency*tstep)
rat2=(self.frequency*tstep)/float(freq)
if indx LT insize then begin
if keyword_set(stretch) then $
self->stretch,d,f,insize,rat1 $
else self->spot1,d,f,insize,rat1
endif
if indx GT insize then begin
if keyword_set(avg) then self->avg,d,f,insize,rat2 $
else self->spot2,d,f,insize,rat2
endif
if n_elements(interpflag) GT 0 then begin
if interpflag LT 3 then self->interp,d,f,interpflag
endif
if((n_elements(maxflag) eq 0) and not(arg_present(flags)))then maxflag=0
if n_elements(maxflag) GT 0 then begin
i=where(f GT maxflag(0))
if(i(0) GT -1) then d(i)=!VALUES.F_Nan
endif
endif
flags=f
return,d
end
pro faampara::get,start=start,stop=stop,_ref_extra=extra
start=self.start
stop=self.stop
variable=self.variable
self.variable->get,_extra=extra
return
end
function faampara::getvar,_ref_extra=extra
self.variable->get,_extra=extra
return,self.variable
end
pro faampara::cleanup
ptr_free,self.data
ptr_free,self.flags
return
end
pro faampara::setdata,D,flags=F,frequency=frequency
if(n_elements(d) GT 0) then begin
dx=float(reform(D,n_elements(D)))
if(ptr_valid(self.data)) then begin
*self.data=dx
frequency=self.frequency
endif else begin
self.data=ptr_new(dx)
if(n_elements(frequency) eq 0) then begin
if(size(D,/n_dimensions) eq 1) then begin
frequency=1
endif else begin
frequency=(size(D,/dimensions))[0]
endelse
endif
nsec=n_elements(D)/frequency
self.nsecs=nsec
self.frequency=frequency
endelse
endif
if(ptr_valid(self.flags)) then begin
if(n_elements(f) GT 0) then *self.flags=byte(reform(F,n_elements(self.flags)))
endif else begin
if(n_elements(f) EQ 0) then f=bytarr(n_elements(D))
self.flags=ptr_new(byte(reform(F,n_elements(F))))
endelse
return
end
pro faampara__define
struct={faampara $
,variable:obj_new() $
,Data:ptr_new() $
,flags:ptr_new() $
,start:0l $
,stop:0l $
,nsecs:0l $
,frequency:0l $
,runname:'' $
}
return
end