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beamhour2p_cutstations.m
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beamhour2p_cutstations.m
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clear all
global EV
global U
global epsilon0
ev=dir(['/Volumes/JFNexternaldrive/Seismic/CASCADIAresponse/Jan/TestDay/Event_2012_309*']); %list of Event directories
ddrr='/Volumes/JFNexternaldrive/Seismic/CASCADIAresponse/Jan/TestDay/'; %directory containing Event directories
for kk=1:length(ev); %loop over Events
clearvars -except EV U epsilon0 ev ddrr kk
stnfile=[ddrr,ev(kk).name,'/processed1/stations.LHZ']
load(stnfile, '-mat')
%load -mat /Volumes/JFNexternaldrive/Seismic/CASCADIAresponse/Jan/Testday/Event_2012_266/processed1/stations.LHZ %change this to pick up the date you want
%figure(1);clf;hold on; plot([infom(:).slon], [infom(:).slat],'r*');grid on
% FOR CAR LOcation is not in file
%if (strmatch(infom(154).staname(1:3),'CAR'))
%infom(154).slat=35.30819;
%infom(154).slon= -119.84583;
%end
%%
% full grid
%Japan
%LonLref=-180; LonUref= 180; LatLref= 0; LatUref= 90;
%CUT GRID
LonLref=-125.2; LonUref= -124; LatLref= 40; LatUref= 40.8;
%LonLref=-125; LonUref= -112; LatLref= 23; LatUref= 46;
%
plot([LonLref LonLref LonUref LonUref LonLref],[LatLref LatUref LatUref ...
LatLref LatLref]);
stacoord=[ [infom.slon]; [infom.slat]];
%%Find the stations which belong to this grid
ISTA=find( (stacoord(1,:)>=LonLref ) & (stacoord(1,:)<=LonUref )& ...
(stacoord(2,:)>=LatLref ) & (stacoord(2,:)<=LatUref ) );
size(ISTA)
plot([infom(ISTA).slon], [infom(ISTA).slat],'g*')
meanlat=mean([infom(ISTA).slat]); meanlon=mean([infom(ISTA).slon]);
% readstaresp
ic=0;
for ista=ISTA
ic=ic+1;
[ran aa b]=dist_wh([meanlat [infom(ista).slat]],[meanlon [infom(ista).slon]]);
if (aa<0), aa=360+aa; end
xsta(ic)=ran*sin(aa*pi/180); ysta(ic)=ran*cos(aa*pi/180);
end
coord=[xsta; ysta];
%plot(xsta,ysta,'*');figure; plot([infom(ISTA).slon], [infom(ISTA).slat],'g*')
%%
iyr=str2num(ev(kk).name(7:10))
for imonth=str2num(ev(kk).name(12:14)) %Change julian days here!!!!!!!!!!!!!! 0+[1:4] %:-1:6
%%359
%% Change the julian date above
iday1=1;
%Japan
%kcomp={'LHZ' 'BHN' 'BHE'};
%kcomp={'LHZ' 'BHN' 'BHE'};
inpath = [ddrr,ev(kk).name,'/processed1/'] ; %change the directory to the sac2matfreq beam
%output directory
% sta1=stations{ista};
for ista=ISTA
sta1=infom(ista).staname(1:5);
filename= [inpath sta1,'.',num2str(iyr),'.', num2str(imonth) '.LHZ'];
if exist(filename,'file')
eval(['load -mat ' filename]); %seis1(:,:,ic)=squeeze(fseis(1:end,iday1,:));
% eval(['load ' filename]);
% seis1(:,:,ic)=squeeze(fseis(1:end,:));
break
end
end
Nfreq=size(frq(Imin:Imax),2);
Nsta=length(ISTA);
Nframes= max(Nsample(imonth,:));
seis1=zeros(Nfreq, Nframes,length(ISTA),'single');
ic=0
for ista=ISTA
ic=ic+1;
% sta1=stations{ista};
sta1=infom(ista).staname(1:5);
j1=1;
% filename= [inpath sta1 kcomp{j1} num2str(234+iday) '.mat'];
filename= [inpath sta1,'.',num2str(iyr),'.', num2str(imonth) '.LHZ'];
if exist(filename,'file')
eval(['load -mat ' filename]); seis1(:,1:size(fseis,3),ic)=squeeze(fseis(1:end,iday1,:));
% eval(['load ' filename]); seis1(:,:,ic)=squeeze(fseis(1:end,:));
size(fseis,3)
else
display([filename ' did not exist' ])
end
end
% correct for instrument response
% I=Imin:Imax;
% for ista=ISTA
% if sum(ista==ISTA1)
% icc=1;
% elseif sum(ista==ISTA2)%
% icc=2;
% elseif sum(ista==ISTA3)%
% icc=3;
% else%
% icc=0 %then in blow up!
% end
% for ii=1:Nfreq%
% seis1(ii,:,ista)=seis1(ii,:,ista)/stationresp(I(ii),icc);
% end
% end
%%
I=Imin:Imax;
theta = (0:2:360)';
Nfrq= floor(length(I));
Nsta=length(coord);
Ntheta=length(theta);
SL=0.0:0.01:0.4; %or 10?
% SL=0.15:0.01:0.4;
thetarad=theta*pi/180;
projection=[sin(thetarad) cos(thetarad)]*coord;
timestep=5
Ntime=floor(Nframes/timestep);
beam=zeros(Ntheta,Nfrq,length(SL),Ntime,'single');
% beamab=zeros(Ntheta,Nfrq,length(SL),Ntime,'single');
% beam=zeros(Ntheta,Nfrq,length(SL));
icc=0;
%keyboard
for sl=SL %1000:50:4000
icc=icc+1
disp(cputime)
for ifreq=1:Nfrq
% this should be more correct 30 nov 8 am freq=frq(I(ifreq)-1);
freq=frq(I(ifreq));
omega=freq*2*pi;
rep=exp((j*omega*sl/1000)*projection)/sqrt(Nsta);
for itime=1:Ntime
itc=(itime-1)*timestep+1;
%change in here to do rotation
vhelp= squeeze(seis1(ifreq,itc:itc+timestep,:));
beam(:,ifreq,icc,itime)= sum(abs(rep*vhelp').^2,2);
% C=vhelp'*vhelp;
% beam(:,ifreq,icc,itime)= sum(abs(rep*vhelp').^2,2);
clear EV
% beamab(:,ifreq,icc,itime)= wncfast(C,rep(:,:)',2,0.2).';
end
end %ifreq-v7.3
end %SL
%%
eval(['save -v7.3 /Volumes/JFNexternaldrive/Seismic/CASCADIAresponse/Jan/TestDay/', ev(kk).name,'/processedbm_cutstations/LHZ.',num2str(iyr),'.', num2str(imonth) ' beam frq I imonth timestep Ntime Nfrq SL theta Ntheta'])
%%
end
end