% -*- texinfo -*- % @deftypefn {Function File} {[@var{vals}] = } qtgetblk (@var{I},@var{S},@var{dim}) % @deftypefnx {Function File} {[@var{vals},@var{idx}] = } qtgetblk (@var{I},@var{S},@var{dim}) % @deftypefnx {Function File} {[@var{vals},@var{r},@var{c}] = } qtgetblk (@var{I},@var{S},@var{dim}) % Obtain block values from a quadtree decomposition. % % [vals]=qtgetblk(I,S,dim) returns a dim-by-dim-by-k array in % @var{vals} which contains the dim-by-dim blocks in the quadtree % decomposition (@var{S}, which is returned by qtdecomp) of @var{I}. If % there are no blocks, an empty matrix is returned. % % [vals,idx]=qtgetblk(I,S,dim) returns @var{vals} as described above. % In addition, it returns @var{idx}, a vector which contains the linear % indices of the upper left corner of each block returned (the same % result as find(full(S)==dim)). % % [vals,r,c]=qtgetblk(I,S,dim) returns @var{vals} as described, and two % vectors, @var{r} and @var{c}, which contain the row and column % coordinates of the blocks returned. % % @seealso{qtdecomp, qtsetblk} % @end deftypefn

Generated on Sat 16-May-2009 00:04:49 by