matrixdata

PURPOSE

SYNOPSIS

DESCRIPTION

 matrixdata method - gets matrix from ROI object

 $Id$

CROSS-REFERENCE INFORMATION

• binarize binarize - returns / sets binarize value for object
• maroi_matrix maroi_matrix method - converts roi to maroi matrix type
• roithresh roithresh - returns / sets roithresh value for object
• maroi_matrix maroi_matrix method - converts maroi_image to maroi_matrix
• maroi_matrix maroi_matrix - class constructor
• maroi_matrix maroi_matrix method - converts roi to maroi matrix type
• maroi_matrix method to convert shape objects to maroi_matrix objects

• are_same returns 1 if rois are the same
• loadobj loadobj method - reloads matrix from img file
• saveobj saveobj method - removes matrix information from parent to save space
• vol vol - returns / sets image vol for object
• maroi_matrix maroi_matrix - class constructor
• mars_display_roi utility routines for display of ROIs in graphic window
• mars_rois2img creates cluster or number labelled ROI image from ROIs

SOURCE CODE

0001 function dat = matrixdata(o, dat)
0002 % matrixdata method - gets matrix from ROI object
0003 %
0004 % $Id$
0005 
0006 % a warning here about empty matrices
0007 if nargin > 1 % call to set matrix data
0008   % change to maroi_matrix type before setting data
0009   o = maroi_matrix(o);
0010   
0011   % apply implied thresholding
0012   tmp = find(isnan(dat) | abs(dat) < roithresh(o));
0013   if binarize(o), dat(:) = 1; end
0014   dat(tmp) = 0;
0015 
0016   o.dat = dat;
0017   dat = o;
0018 
0019 else
0020   dat = o.dat;
0021 end