/[MITgcm]/MITgcm_contrib/cnh_cs_plot/load_cs_bathy.m
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Contents of /MITgcm_contrib/cnh_cs_plot/load_cs_bathy.m

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Revision 1.1 - (show annotations) (download)
Tue Mar 15 18:05:55 2005 UTC (19 years, 1 month ago) by cnh
Branch: MAIN
CVS Tags: HEAD
Adding cube face plotting utility + t32 example that it uses.

1 function [bathy_obj]=load_cs_bathy(csg_obj,gdir,fname,prec);
2 %
3 % Load cube sphere bathymetry
4 % e.g. load_cs_bathy(csg,'t32','bathy.bin','float64');
5 % returns bathymetry and polygons that define bathymetry.
6 %
7
8 % 1 - Read land
9 ng=csg_obj.ng;
10 nb=csg_obj.nb;
11 nr=csg_obj.nr;
12 nxd=nb+1+nr+1+ng+1+nb+1;
13 nyd=ng+1+nb+1+nr+1;
14
15 fnam=sprintf('%s/%s',gdir,fname);
16 fid=fopen(fnam,'r','ieee-be');
17 tmparr=ones(ng*6*ng,1);
18 tmparr=fread(fid,ng*ng*6,prec);
19 tmparr=reshape(tmparr,[ng*6,ng]);
20 fclose(fid);
21 bathyarr=ones(nxd,nyd)*12345.6789;
22 for i= 1:6
23 ilog=csg_obj.ilog(i);
24 jlog=csg_obj.jlog(i);
25 fx=csg_obj.fx(i);
26 fy=csg_obj.fy(i);
27 ihi=ilog+fx-1;jhi=jlog+fy-1;
28 tmp=tmparr((i-1)*ng+1:i*ng,1:ng);
29 bathyarr(ilog:ihi,jlog:jhi)=reshape(tmp,[fx fy]);
30 end
31 bathyarr(find(bathyarr==12345.6789))=NaN;
32
33 % Do some plots on a lat-lon figure
34 clf
35 axis([-180 180 -90 90]);hold on;
36 xg=csg_obj.gridarr(:,:,csg_obj.xgpos);
37 yg=csg_obj.gridarr(:,:,csg_obj.ygpos);
38 clear xc yc;
39 nc=0;
40 np=0;
41 clear xcoord ycoord;
42 xcoord=ones(2,ng*ng*6*4);
43 ycoord=ones(2,ng*ng*6*4);
44 for t=1:6
45 ilo=csg_obj.ilog(t);jlo=csg_obj.jlog(t);
46 ihi=csg_obj.ilog(t)+csg_obj.fx(t);
47 jhi=csg_obj.jlog(t)+csg_obj.fy(t);
48 nlo=nc+1;
49 nhi=nc+(ihi-ilo)*(jhi-jlo);
50 a=bathyarr(ilo:ihi-1,jlo:jhi-1);
51 c(nlo:nhi)=a(:);
52 nc=nc+(ihi-ilo)*(jhi-jlo);
53
54 end
55 %clf
56 %patch(px,py,c,'Edgecolor','none');
57 %patch(px,py,'r','Edgecolor','none');
58
59 %set(gcf,'PaperSize',[16 8]);
60 %set(gcf,'PaperPosition',[0 0 16 8]);
61 %set(gca,'Position',[0 0 1 1]);
62 %print -djpeg100 -r600 -painters foo.jpeg
63
64 bathy_obj.bathyarr=bathyarr;
65 bathy_obj.c=c;
66
67 return

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