94 lines
2.6 KiB
Matlab
94 lines
2.6 KiB
Matlab
function [xu,yu,zu,xv,yv,zv,xw,yw,zw,xp,yp,zp,xs,ys,zs] = read_grid_ucf(file,varargin)
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% [xu,yu,zu,xv,yv,zv,xw,yw,zw,xp,yp,zp,xs,ys,zs] = read_grid_ucf(file,varargin)
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% Reads staggered grid from ucf file.
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% Input
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% file file to be read
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% ? verbosity verbose output? (default: 0)
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% ? debug debug output? (default: 0)
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% ? tarmode read from tar-file? (default: 0)
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% Output
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% xu,yu,zu velocity grid u
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% xv,yv,zv velocity grid v
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% xw,yw,zw velocity grid w
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% xp,yp,zp pressure grid
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% xs,ys,zs scalar grid
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% Parse optional input arguments
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par = inputParser;
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addParamValue(par,'verbosity',0,@isnumeric);
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addParamValue(par,'debug',0,@isnumeric);
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addParamValue(par,'tarmode',0,@isnumeric); % deprecated
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parse(par,varargin{:});
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% Open UCF file and read
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obj = ucf('verbosity',par.Results.verbosity,'debug',par.Results.debug);
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switch class(file)
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case 'char'
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obj.open(file);
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case {'ustar','ucfmulti'}
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ptr = file.pointer('grid.bin');
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obj.opentar(ptr);
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otherwise
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error('Input file type not supported: %s',class(file));
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end
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% Define sets to be read
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isDualMesh=(obj.UCFVersion>=2) && (obj.NumDataset>4);
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if isDualMesh
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sets = {'u','v','w','p','s'};
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else
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sets = {'u','v','w','p'};
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end
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nset = numel(sets);
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% Read raw data
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x = cell(1,nset);
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y = cell(1,nset);
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z = cell(1,nset);
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for iset=1:nset
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[data,params] = obj.readSet(1,iset);
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params = cast(params,'double');
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nx{iset} = params(1);
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ny{iset} = params(2);
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nz{iset} = params(3);
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x{iset} = data(1:nx{iset});
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y{iset} = data(nx{iset}+1:nx{iset}+ny{iset});
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z{iset} = data(nx{iset}+ny{iset}+1:nx{iset}+ny{iset}+nz{iset});
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end
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% Close UCF file
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obj.close();
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% Reassign content from loop
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iset = find(strcmp(sets,'u'));
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xu = x{iset};
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yu = y{iset};
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zu = z{iset};
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iset = find(strcmp(sets,'v'));
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xv = x{iset};
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yv = y{iset};
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zv = z{iset};
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iset = find(strcmp(sets,'w'));
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xw = x{iset};
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yw = y{iset};
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zw = z{iset};
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iset = find(strcmp(sets,'p'));
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xp = x{iset};
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yp = y{iset};
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zp = z{iset};
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if isDualMesh
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iset = find(strcmp(sets,'s'));
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xs = x{iset};
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ys = y{iset};
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zs = z{iset};
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else
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xs = xp;
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ys = yp;
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zs = zp;
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end
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end
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