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gmaze |
1.1 |
% PII = boxcar(C3D,H,X,Y,Z,isoC,dC) |
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% The boxcar function: |
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% { isoC-dC/2 <= C3D(iZ,iY,iX) < isoC + dC/2 |
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% PII(isoC,C3D(iZ,iY,iX) = 1 if:{ Z(iZ) > H(iY,iX) |
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% = 0 otherwise |
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% |
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% Rq: |
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% H may be a single value |
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% Z and H should be negative |
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% Z orientatd downward |
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% |
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%function [PII] = boxcar(C3D,H,X,Y,Z,isoC,dC) |
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function [PII A B C] = boxcar(C3D,H,X,Y,Z,isoC,dC) |
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nz = length(Z); |
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ny = length(Y); |
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nx = length(X); |
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method = 2; |
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if length(H) == 1, H = H.*ones(ny,nx); end |
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switch method |
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case 1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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PII = zeros(nz,ny,nx); |
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warning off |
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for ix = 1 : nx |
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for iy = 1 : ny |
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Cprof = squeeze(C3D(:,iy,ix)); |
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li = find( isoC-dC/2 <= Cprof & ... |
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Cprof < isoC+dC/2 & ... |
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Z > H(iy,ix) ); |
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if ~isempty(li) |
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PII(li,iy,ix) = 1; |
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end %if |
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end %for iy |
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end %for ix |
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warning on |
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case 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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PII = ones(nz,ny,nx); |
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[a b]=meshgrid(Z,H); b=reshape(b,[ny nx nz]);b=permute(b,[3 1 2]);H=b;clear a b |
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[a b c]=meshgrid(Z,Y,X);a=permute(a,[2 1 3]);Z=a;clear a b c |
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PII(find( -dC/2 < C3D-isoC & C3D-isoC <= +dC/2 & H<=Z )) = 0; |
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PII = 1-PII; |
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end %switch method |
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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%%% Also provide the 1/0 matrix of the layer boundaries: |
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bounds_vert = zeros(nz,ny,nx); |
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bounds_meri = zeros(nz,ny,nx); |
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for ix = 1 : nx |
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piisect = squeeze(PII(:,:,ix)); |
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boundsect = zeros(nz,ny); |
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% Determine vertical boundaries of the layer: |
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for iy = 1 : ny |
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li = find(piisect(:,iy)==1); |
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if length(li) ~= 0 |
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boundsect(li(1),iy) = 1; |
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boundsect(li(end),iy) = 1; |
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end |
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end |
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bounds_vert(:,:,ix) = boundsect; |
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boundsect = zeros(nz,ny); |
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% Determine horizontal meridional boundaries of the layer: |
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for iz = 1 : nz |
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li = find(piisect(iz,:)==1); |
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if length(li) ~= 0 |
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boundsect(iz,li(1)) = 1; |
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boundsect(iz,li(end)) = 1; |
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end |
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end |
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bounds_meri(:,:,ix) = boundsect; |
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end %for ix |
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bounds_zona = zeros(nz,ny,nx); |
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for iy = 1 : ny |
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piisect = squeeze(PII(:,iy,:)); |
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boundsect = zeros(nz,nx); |
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% Determine horizontal zonal boundaries of the layer: |
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for iz = 1 : nz |
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li = find(piisect(iz,:)==1); |
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if length(li) ~= 0 |
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boundsect(iz,li(1)) = 1; |
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boundsect(iz,li(end)) = 1; |
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end |
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end |
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bounds_zona(:,iy,:) = boundsect; |
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end %for iy |
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A = bounds_vert; |
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B = bounds_meri; |
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C = bounds_zona; |
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