utils/matlab/pcolorfv.m

function [hc,hh,hcf] = pcolorfv(x,z,h,a,varargin)
% PCOLORFV(X,Z,H,A)
%
% Is the same as PCOLORFV except it automatically extends the dataset
% to the depth of the topography "H". This is srictly for plotting
% vertical (x,z) sections in conjuction with "partial cells" in the MITgcm.
%
% X is horizontal coordinate (vector)
% Z is vertical coordinate (vector)
% H is depth of bottom (vector)
% A is field to be plotted (matrix)
%
% Optional arguments are passed on to PCOLOR

% $Header: /u/gcmpack/MITgcm/utils/matlab/pcolorfv.m,v 1.2 2004/06/04 17:09:11 adcroft Exp $
% $Name:  $

nx=prod(size(x));
nz=prod(size(z));
%max(size(h))
%prod(size(h))
if max(size(h)) ~= prod(size(h)) | prod(size(h)) ~= nx
 error('H must have dimensions of size(X)');
end
%ndims(squeeze(a))
%size(squeeze(a))
if ndims(squeeze(a)) ~= 2 | sum(size(squeeze(a)) ~= [nx nz])
 error('A must have dimensions of size(X) x size(H)');
end

% Create extended Z coordinate
zz=zeros(1,nz+2);
zz(2:nz+1)=z;
zz(1)=0;
zz(nz+2)=1.5*z(nz)-0.5*z(nz-1);

[Z,X]=meshgrid(zz,x);

aa=squeeze(a);
au=aa(:,[1 1:nz-1]);
aa(isnan(aa))=au(isnan(aa));
A=zeros(nx,nz+2);
A(:,2:nz+1)=aa;
A(:,1)=aa(:,1);
A(:,nz+2)=aa(:,nz);
clear aa au

[Hz,Hx]=meshgrid(zz,h);
clear Hz


% H might be positive...
if min(z)*min(h) > 0
 Z=max(Z,Hx);
else
 Z=max(Z,-Hx);
end
clear Hx

pcolor(X,Z,A,varargin{:});
1	function [hc,hh,hcf] = pcolorfv(x,z,h,a,varargin)
2	% PCOLORFV(X,Z,H,A)
3	%
4	% Is the same as PCOLORFV except it automatically extends the dataset
5	% to the depth of the topography "H". This is srictly for plotting
6	% vertical (x,z) sections in conjuction with "partial cells" in the MITgcm.
7	%
8	% X is horizontal coordinate (vector)
9	% Z is vertical coordinate (vector)
10	% H is depth of bottom (vector)
11	% A is field to be plotted (matrix)
12	%
13	% Optional arguments are passed on to PCOLOR
14
15	% $Header: /u/gcmpack/MITgcm/utils/matlab/pcolorfv.m,v 1.2 2004/06/04 17:09:11 adcroft Exp $
16	% $Name: $
17
18	nx=prod(size(x));
19	nz=prod(size(z));
20	%max(size(h))
21	%prod(size(h))
22	if max(size(h)) ~= prod(size(h)) \| prod(size(h)) ~= nx
23	error('H must have dimensions of size(X)');
24	end
25	%ndims(squeeze(a))
26	%size(squeeze(a))
27	if ndims(squeeze(a)) ~= 2 \| sum(size(squeeze(a)) ~= [nx nz])
28	error('A must have dimensions of size(X) x size(H)');
29	end
30
31	% Create extended Z coordinate
32	zz=zeros(1,nz+2);
33	zz(2:nz+1)=z;
34	zz(1)=0;
35	zz(nz+2)=1.5z(nz)-0.5z(nz-1);
36
37	[Z,X]=meshgrid(zz,x);
38
39	aa=squeeze(a);
40	au=aa(:,[1 1:nz-1]);
41	aa(isnan(aa))=au(isnan(aa));
42	A=zeros(nx,nz+2);
43	A(:,2:nz+1)=aa;
44	A(:,1)=aa(:,1);
45	A(:,nz+2)=aa(:,nz);
46	clear aa au
47
48	[Hz,Hx]=meshgrid(zz,h);
49	clear Hz
50
51
52	% H might be positive...
53	if min(z)*min(h) > 0
54	Z=max(Z,Hx);
55	else
56	Z=max(Z,-Hx);
57	end
58	clear Hx
59
60	pcolor(X,Z,A,varargin{:});