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z2_plot_tp_amp_fields.m
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z2_plot_tp_amp_fields.m
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% Estimate travel time surface and gradient as well as amplitude gradient
% for use in eq (4) of Bao et al. (2016) GJI
% github.com/jbrussell
% 2021-05
clear;
isoverwrite = 1;
isfigure = 1;
is_save_amp_fig = 1;
min_Mw = 5.5; % minimum magnitude
min_Ngrcells = 20; % minimum numbe of grid cells required in order to use event
azi_bin_deg = 30; % [deg] size of azimuthal bins
min_nbin = 10; % minimum number of measurements in order to include bin
% setup parameters
setup_parameters
is_eikonal_ampgrad_norm = parameters.is_eikonal_ampgrad_norm;
r = 0.05;
workingdir = parameters.workingdir;
eventcs_path = [workingdir,'CSmeasure/'];
phase_v_path = [workingdir,'eikonal/'];
helmholtz_path = [workingdir,'helmholtz/'];
helmholtz_stack_file = [workingdir,'helmholtz_stack_',parameters.component];
traveltime_path = [workingdir,'traveltime/'];
if ~exist(traveltime_path,'dir')
mkdir(traveltime_path);
end
% load stacked phase velocity map
load(helmholtz_stack_file);
% set up useful variables
lalim = parameters.lalim;
lolim = parameters.lolim;
gridsize = parameters.gridsize;
xnode = lalim(1):gridsize:lalim(2);
ynode = lolim(1):gridsize:lolim(2);
[xi yi] = ndgrid(xnode,ynode);
alpha_range = parameters.alpha_range;
alpha_search_grid = parameters.alpha_search_grid;
periods = parameters.periods;
eventfiles = dir([traveltime_path,'/*_traveltime_',parameters.component,'.mat']);
load seiscmap
if exist('badampsta.lst','file')
badstnms = textread('badampsta.lst','%s');
disp('Found Bad amplitude stations:')
for ista = 1:length(badstnms)
disp(badstnms(ista))
end
end
clear attenuation
evcnt = 0;
for ie = 1:length(eventfiles)
clear amp_term azi
%for ie = 59
% read in data for this event
clear eventphv eventcs traveltime
load(fullfile(traveltime_path,eventfiles(ie).name));
eventid = traveltime(1).id;
disp(eventid);
eventcsfile = [eventcs_path,'/',eventid,'_cs_',parameters.component,'.mat'];
if exist(eventcsfile,'file')
load(eventcsfile);
else
disp(['Cannot find CS file for ',eventid,', Skipped']);
continue;
end
eventeikonalfile = [phase_v_path,'/',eventid,'_eikonal_',parameters.component,'.mat'];
if exist(eventeikonalfile,'file')
load(eventeikonalfile);
else
disp(['Cannot find eikonal file for ',eventid,', Skipped']);
continue;
end
helmholtzfile = [helmholtz_path,'/',eventid,'_helmholtz_',parameters.component,'.mat'];
if exist(helmholtzfile,'file')
temp = load(helmholtzfile);
helmholtz = temp.helmholtz;
else
disp(['Cannot find Helmholtz file for ',eventid,', Skipped']);
continue;
end
if traveltime(1).Mw < min_Mw
continue
end
% % Remove grid cells with outlier propagation azimuth
% max_degrelmean = 20;
% Inan = isnan(traveltime(ip).GV_cor);
% azi_prop = 90 - atan2d(traveltime(ip).tp_gradlat',traveltime(ip).tp_gradlon');
% azi_prop(azi_prop<0) = azi_prop(azi_prop<0)+360;
% azi_prop(Inan) = nan;
% % Ibad_prop = abs(azi_prop-nanmean(azi_prop(:))) > max_degrelmean;
% % azi_prop(Ibad_prop) = nan;
% azi_GV = angle(eventphv(ip).GVx + eventphv(ip).GVy.*sqrt(-1));
% azi_GV = rad2deg(azi_GV) + 180;
% absDiffDeg = @(a,b) abs(diff(unwrap([a,b]/180*pi)*180/pi));
% for ii=1:length(xnode)
% for jj=1:length(ynode)
% diffdeg(ii,jj) = absDiffDeg(azi_GV(ii,jj),azi_prop(ii,jj));
% end
% end
% Ibad_prop = diffdeg > max_degrelmean;
% avgphv(ip).GV_cor(Ibad_prop) = nan;
% traveltime(ip).GV_cor(Ibad_prop) = nan;
evcnt = evcnt+1;
for ip = 1:length(avgphv)
Inotnan = find(~isnan(traveltime(ip).GV_cor));
% Inotnan = find(~isnan(azi_prop));
if length(Inotnan) < min_Ngrcells
mat(evcnt).tp(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_ang(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_grad(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_gradlat(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_gradlon(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_laplat(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_laplon(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_lap(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_grad(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_gradlat(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_gradlon(:,:,ip) = nan(size(traveltime(ip).GV_cor));
if is_eikonal_ampgrad_norm
mat(evcnt).amp_grad_ampnorm(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_gradlat_ampnorm(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_gradlon_ampnorm(:,:,ip) = nan(size(traveltime(ip).GV_cor));
end
mat(evcnt).amp_laplat(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_laplon(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_lap(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).tp_focus(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_decay(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).corr_amp_decay(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).amp_term(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).azi(:,:,ip) = nan(size(traveltime(ip).GV_cor));
mat(evcnt).id = helmholtz(1).id;
mat(evcnt).Mw = helmholtz(1).Mw;
continue
end
%% fit the amplitude surface
% reset the arrays
clear stlas stlos tp
stlas = eventcs.stlas;
stlos = eventcs.stlos;
stnms = eventcs.stnms;
% Load amplitude fields
amp = helmholtz(ip).ampmap;
amp_grad = helmholtz(ip).amp_grad;
amp_gradlat = helmholtz(ip).amp_gradlat;
amp_gradlon = helmholtz(ip).amp_gradlon;
[~,amp_laplat,~]=delm(xi,yi,amp_gradlat);
[~,~,amp_laplon]=delm(xi,yi,amp_gradlon);
amp_grad_ampnorm = helmholtz(ip).amp_grad_ampnorm;
amp_gradlat_ampnorm = helmholtz(ip).amp_gradlat_ampnorm;
amp_gradlon_ampnorm = helmholtz(ip).amp_gradlon_ampnorm;
% Load travel-time fields
tp_grad = traveltime(ip).tp_grad;
tp_gradlat = traveltime(ip).tp_gradlat;
tp_gradlon = traveltime(ip).tp_gradlon;
tp_lap = traveltime(ip).tp_lap;
[~,tp_laplat,~]=delm(xi,yi,tp_gradlat);
[~,~,tp_laplon]=delm(xi,yi,tp_gradlon);
% Get propagation azimuth at each grid cell
azi_prop = traveltime(ip).tp_ang;
azi_prop(azi_prop<0) = azi_prop(azi_prop<0)+360;
% Get structural phase velocity
phv = avgphv(ip).GV_cor ;
phv(isnan(traveltime(ip).GV_cor)) = nan;
% amp(Inan)=nan; amp_grad(Inan)=nan; amp_gradlat(Inan)=nan; amp_gradlon(Inan)=nan;
% tp_lap(Inan)=nan; tp_grad(Inan)=nan; tp_gradlat(Inan)=nan; tp_gradlon(Inan)=nan;
% figure(1);
% subplot(1,2,1);
% tp_grad(isnan(traveltime(ip).GV)) = nan;
% imagesc(tp_grad);
% cb = colorbar;
% subplot(1,2,2);
% imagesc(1./traveltime(ip).GV);
% colorbar;
% caxis(cb.Limits);
% Calculate terms from Bao et al. (2016) equation 4
% Amplitude decay term
if is_eikonal_ampgrad_norm
amp_decay = 2*(amp_gradlat_ampnorm.*tp_gradlat + amp_gradlon_ampnorm.*tp_gradlon);
else
amp_decay = 2*(amp_gradlat.*tp_gradlat + amp_gradlon.*tp_gradlon) ./ amp;
end
% Focusing correction term
tp_focus = tp_lap;
% smooth the terms
if length(find(~isnan(amp_decay(:)))) < 5 || length(find(~isnan(tp_focus(:)))) < 5
amp_decay = nan(size(amp_decay));
tp_focus = nan(size(tp_focus));
else
for ii=1
smD=max([300 periods(ip).*parameters.refv]);
amp_decay = gridfit_jg_geo(xi(:),yi(:),amp_decay(:),xnode,ynode,...
'smooth',floor(smD./deg2km(gridsize)),'regularizer','laplacian','solver','normal')';
tp_focus = gridfit_jg_geo(xi(:),yi(:),tp_focus(:),xnode,ynode,...
'smooth',floor(smD./deg2km(gridsize)),'regularizer','laplacian','solver','normal')';
end
end
Inan = isnan(phv);
amp_decay(Inan) = nan;
tp_focus(Inan) = nan;
% Corrected amplitude decay
corr_amp_decay = amp_decay + tp_focus;
amp_term(:,:,ip) = (phv/2) .* corr_amp_decay;
azi(:,:,ip) = azi_prop;
% Remove large outliers
Ibad = amp_term>abs(nanmedian(amp_term(:)))*100 | amp_term<abs(nanmedian(amp_term(:)))*-100;
amp_term(Ibad) = nan;
nanmat = nan(size(phv));
nanmat(~isnan(phv)) = 1;
mat(evcnt).tp(:,:,ip) = traveltime(ip).tpmap .* nanmat;
mat(evcnt).tp_ang(:,:,ip) = traveltime(ip).tp_ang .* nanmat;
mat(evcnt).tp_grad(:,:,ip) = tp_grad .* nanmat;
mat(evcnt).tp_gradlat(:,:,ip) = tp_gradlat .* nanmat;
mat(evcnt).tp_gradlon(:,:,ip) = tp_gradlon .* nanmat;
mat(evcnt).tp_laplat(:,:,ip) = tp_laplat .* nanmat;
mat(evcnt).tp_laplon(:,:,ip) = tp_laplon .* nanmat;
mat(evcnt).tp_lap(:,:,ip) = tp_lap .* nanmat;
mat(evcnt).amp(:,:,ip) = amp .* nanmat;
mat(evcnt).amp_grad(:,:,ip) = amp_grad .* nanmat;
mat(evcnt).amp_gradlat(:,:,ip) = amp_gradlat .* nanmat;
mat(evcnt).amp_gradlon(:,:,ip) = amp_gradlon .* nanmat;
if is_eikonal_ampgrad_norm
mat(evcnt).amp_grad_ampnorm(:,:,ip) = amp_grad_ampnorm .* nanmat;
mat(evcnt).amp_gradlat_ampnorm(:,:,ip) = amp_gradlat_ampnorm .* nanmat;
mat(evcnt).amp_gradlon_ampnorm(:,:,ip) = amp_gradlon_ampnorm .* nanmat;
end
mat(evcnt).amp_laplat(:,:,ip) = amp_laplat .* nanmat;
mat(evcnt).amp_laplon(:,:,ip) = amp_laplon .* nanmat;
mat(evcnt).amp_lap(:,:,ip) = helmholtz(ip).amp_lap .* nanmat;
mat(evcnt).tp_focus(:,:,ip) = tp_focus .* nanmat;
mat(evcnt).amp_decay(:,:,ip) = amp_decay .* nanmat;
mat(evcnt).corr_amp_decay(:,:,ip) = corr_amp_decay .* nanmat;
mat(evcnt).amp_term(:,:,ip) = amp_term(:,:,ip) .* nanmat;
mat(evcnt).azi(:,:,ip) = azi(:,:,ip) .* nanmat;
mat(evcnt).id = helmholtz(1).id;
mat(evcnt).Mw = helmholtz(1).Mw;
% if strcmp(eventid,'201112161254')
% eventid
% figure(63); clf; set(gcf,'position',[146+75 1 726 1024],'color','w');
% N=3; M = floor(length(periods)/N)+1;
% sgtitle(['Travel Time',' : ',mat(evcnt).id,' Mw',num2str(mat(evcnt).Mw)],'fontsize',18,'fontweight','bold');
% for iper = 1:length(periods)
% subplot(M,N,iper)
% ax = worldmap(lalim, lolim);
% surfacem(xi,yi,traveltime(iper).tpmap); hold on;
% quiverm(xi,yi,traveltime(iper).tp_gradlat,traveltime(ip).tp_gradlon,'-k')
% title([num2str(periods(iper)),' s'],'fontsize',15)
% cb = colorbar;
% % caxis([-1e-4 4e-4]);
% colormap(flip(seiscmap))
% end
% end
end
%% Do curve fitting (eq 9 in Bao et al. 2016)
%
% % Unbinned 2-D sinusoidal fit
% for ix = 1:length(xnode)
% for iy = 1:length(ynode)
% amps = squeeze(amp_term(ix,iy,:));
% azis = squeeze(azi(ix,iy,:));
% if length(find(~isnan(amps)))>10
% [para, alpha, dlnbeta_dx, dlnbeta_dy]=fit_alpha_beta(azis,amps);
% parastd=confint(para,.95);
% dlnbeta_dx_err = (parastd(2,1)-parastd(1,1))/2;
% dlnbeta_dy_err = (parastd(2,2)-parastd(1,2))/2;
% alpha_err = (parastd(2,3)-parastd(1,3))/2;
% else
% alpha = nan;
% dlnbeta_dx = nan;
% dlnbeta_dy = nan;
% alpha_err = nan;
% dlnbeta_dx_err = nan;
% dlnbeta_dy_err = nan;
% para = [];
% end
% attenuation(ip).alpha_2d(ix,iy) = alpha;
% attenuation(ip).dlnbeta_dx_2d(ix,iy) = dlnbeta_dx;
% attenuation(ip).dlnbeta_dy_2d(ix,iy) = dlnbeta_dy;
% attenuation(ip).alpha_2d_err(ix,iy) = alpha_err;
% attenuation(ip).dlnbeta_dx_2d_err(ix,iy) = dlnbeta_dx_err;
% attenuation(ip).dlnbeta_dy_2d_err(ix,iy) = dlnbeta_dy_err;
% attenuation(ip).para_2d{ix,iy} = para;
% attenuation(ip).amp_term_2d = amp_term;
% attenuation(ip).azi = azi;
% attenuation(ip).period = periods(ip);
% attenuation(ip).evcnt = evcnt;
% end
% end
end
%% Plot 1D average alpha
for iev = 1:length(mat)
% if strcmp(mat(iev).id,'201112161254')
% mat(iev).id
% else
% continue
% end
%% Plot maps of Amplitude
figure(60); clf; set(gcf,'position',[146 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['Amplitude',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp(:,:,ip)); hold on;
quiverm(xi,yi,mat(iev).amp_gradlat(:,:,ip),mat(iev).amp_gradlon(:,:,ip),'-k')
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of grad(Amplitude)
figure(61); clf; set(gcf,'position',[146+25 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['\nabla Amplitude',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_grad(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of lap(Amplitude)
figure(62); clf; set(gcf,'position',[146+50 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['\nabla^2 Amplitude',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_lap(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of traveltime
figure(63); clf; set(gcf,'position',[146+75 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['Travel Time',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp(:,:,ip)); hold on;
quiverm(xi,yi,mat(iev).tp_gradlat(:,:,ip),mat(iev).tp_gradlon(:,:,ip),'-k')
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of grad(traveltime)
figure(64); clf; set(gcf,'position',[146+100 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['\nabla Travel Time',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_grad(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of lap(traveltime)
figure(65); clf; set(gcf,'position',[146+125 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['\nabla^2 Travel Time',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_lap(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of Amp Decay
figure(66); clf; set(gcf,'position',[146+150 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['$(2\nabla{A} \cdot \nabla{\tau})/A$',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold','interpreter','latex');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_decay(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%% Plot maps of Amp Term
figure(67); clf; set(gcf,'position',[146+175 1 726 1024],'color','w');
N=3; M = floor(length(periods)/N)+1;
sgtitle(['r.h.s. of eq (9)',' : ',mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1:length(periods)
subplot(M,N,ip)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_term(:,:,ip));
title([num2str(periods(ip)),' s'],'fontsize',15)
cb = colorbar;
% caxis([-1e-4 4e-4]);
colormap(flip(seiscmap))
end
%%
figdir = [workingdir,'/figs/fields/'];
if ~exist(figdir)
mkdir(figdir);
end
save2pdf([figdir,mat(iev).id,'_amp0_',parameters.component,'.pdf'],60,100);
save2pdf([figdir,mat(iev).id,'_amp1_',parameters.component,'.pdf'],61,100);
save2pdf([figdir,mat(iev).id,'_amp2_',parameters.component,'.pdf'],62,100);
save2pdf([figdir,mat(iev).id,'_tt0_',parameters.component,'.pdf'],63,100);
save2pdf([figdir,mat(iev).id,'_tt1_',parameters.component,'.pdf'],64,100);
save2pdf([figdir,mat(iev).id,'_tt2_',parameters.component,'.pdf'],65,100);
save2pdf([figdir,mat(iev).id,'_ampdecay_',parameters.component,'.pdf'],66,100);
save2pdf([figdir,mat(iev).id,'_ampterm_',parameters.component,'.pdf'],67,100);
%% Plot maps of grad(traveltime)
figure(68); clf; set(gcf,'position',[246 551 1013 474],'color','w');
sgtitle([mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1 %1:length(periods)
subplot(2,3,1)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_gradlon(:,:,ip));
title('\nabla\tau_x','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,2)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_gradlat(:,:,ip));
title('\nabla\tau_y','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,3)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_grad(:,:,ip));
quiverm(xi,yi,mat(iev).tp_gradlat(:,:,ip),mat(iev).tp_gradlon(:,:,ip),'-k')
title('|\nabla\tau|','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,4)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_laplon(:,:,ip));
title('\partial\nabla\tau_x / \partial{x}','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,5)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_laplat(:,:,ip));
title('\partial\nabla\tau_y / \partial{y}','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,6)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).tp_lap(:,:,ip));
title('\nabla^2\tau','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
end
%% Plot maps of grad(amp)
figure(69); clf; set(gcf,'position',[246 551 1013 474],'color','w');
sgtitle([mat(iev).id,' Mw',num2str(mat(iev).Mw)],'fontsize',18,'fontweight','bold');
for ip = 1 %1:length(periods)
subplot(2,3,1)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_gradlon(:,:,ip));
title('\nabla{A}_x','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,2)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_gradlat(:,:,ip));
title('\nabla{A}_y','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,3)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_grad(:,:,ip));
quiverm(xi,yi,mat(iev).amp_gradlat(:,:,ip),mat(iev).amp_gradlon(:,:,ip),'-k')
title('|\nabla{A}|','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,4)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_laplon(:,:,ip));
title('\partial\nabla{A}_x / \partial{x}','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,5)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_laplat(:,:,ip));
title('\partial\nabla{A}_y / \partial{y}','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
subplot(2,3,6)
ax = worldmap(lalim, lolim);
surfacem(xi,yi,mat(iev).amp_lap(:,:,ip));
title('\nabla^2A','fontsize',15)
cb = colorbar;
colormap(flip(seiscmap))
end
%%
save2pdf([figdir,mat(iev).id,'_tt3example_',parameters.component,'.pdf'],68,100);
save2pdf([figdir,mat(iev).id,'_amp3example_',parameters.component,'.pdf'],69,100);
end
%% Save
% matfilename = fullfile(traveltime_path,[eventphv(1).id,'_attenuation_',parameters.component,'.mat']);
% save(matfilename,'attenuation');
% fprintf('\n');
% disp(['Saved to ',matfilename]);
% if is_save_amp_fig
% figdir = [workingdir,'/figs/attenuation/'];
% if ~exist(figdir)
% mkdir(figdir);
% end
% save2pdf([figdir,eventphv(1).id,'_attenuation_',parameters.component,'.pdf'],39,100);
% save2pdf([figdir,eventphv(1).id,'_attenuation_',parameters.component,'_StaAmps.pdf'],40,100);
% end