ucftools/matlab/write_scal_complete_ucf.m

76 lines
2.6 KiB
Matlab

function [] = write_scal_complete_ucf(file,s,ibegp,iendp,jbegp,jendp,kbegp,kendp,time,varargin)
% [] = write_scal_complete_ucf(file,s,ibegp,iendp,jbegp,jendp,kbegp,kendp,time,varargin)
% Writes a complete scalar field to UCF chunks.
% Input
% file file to be written (the extension will be replaced by the proc rank)
% s full scalar field with dim(nx,ny,nz,nscal)
% ibegp,jbegp,kbegp arrays with length(n.proc) with processor grid
% iendp,jendp,kendp """
% time simulation time
% Optional input (key/value pair)
% endian endianess of the file as used by fopen (default: 'n')
% verbosity verbose output? (default: no)
% debug debug output? (default: no)
% Parse variable input
par = inputParser;
addParamValue(par,'endian','n',@ischar);
addParamValue(par,'verbosity',0,@isnumeric);
addParamValue(par,'debug',0,@isnumeric);
parse(par,varargin{:});
% Parse filename
[fdir,fbase,fext] = fileparts(file);
fbasepath = fullfile(fdir,fbase);
nxprocs = numel(ibegp);
nyprocs = numel(jbegp);
nzprocs = numel(kbegp);
nx = size(s,1);
ny = size(s,2);
nz = size(s,3);
nscal = size(s,4);
for ixproc=0:nxprocs-1
for iyproc=0:nyprocs-1
for izproc=0:nzprocs-1
[iproc] = locfun_proc_id(ixproc,iyproc,izproc,nxprocs,nyprocs,nzprocs);
fname = sprintf('%s.%05d',fbasepath,iproc);
% Extract local indices
ighost = 0;
ib = ibegp(ixproc+1);
ie = iendp(ixproc+1);
jb = jbegp(iyproc+1);
je = jendp(iyproc+1);
kb = kbegp(izproc+1);
ke = kendp(izproc+1);
nxl = ie-ib+1;
nyl = je-jb+1;
nzl = ke-kb+1;
% Create a new chunk file
obj = ucf('verbosity',par.Results.verbosity,'debug',par.Results.debug);
obj.create(fname,'type','field','rank',[iproc,ixproc,iyproc,izproc],'endian',par.Results.endian);
obj.appendStep(time);
% Write data field by field
for iscal=1:nscal
params = int64([ighost,ib,jb,kb,nxl,nyl,nzl,nx,ny,nz]);
data = s(ib:ie,jb:je,kb:ke,iscal);
obj.appendSet(data,params);
end
% Close chunk file
obj.close();
end
end
end
end
function [ind] = locfun_proc_id(ii,jj,kk,nx,ny,nz)
% local version of 'sub2ind_zero_row'
ind=ii*ny*nz+jj*nz+kk;
end