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comparison m-toolbox/classes/@matrix/getObjectAtIndex.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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-1:000000000000 0:f0afece42f48
1 % GETOBJECTATINDEX index into the inner objects of one matrix object.
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %
4 % DESCRIPTION: GETOBJECTATINDEX index into the inner objects of one matrix object.
5 %
6 % CALL: b = getObjectAtIndex(m, i)
7 % b = getObjectAtIndex(m, i, j)
8 % b = m.getObjectAtIndex(plist('I', i))
9 % b = m.getObjectAtIndex(plist('I', i, 'J', j))
10 %
11 % <a href="matlab:utils.helper.displayMethodInfo('matrix', 'getObjectAtIndex')">Parameters Description</a>
12 %
13 % VERSION: $Id: getObjectAtIndex.m,v 1.11 2011/05/22 22:15:03 mauro Exp $
14 %
15 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
16
17
18 function varargout = getObjectAtIndex(varargin)
19
20 % Check if this is a call for parameters
21 if utils.helper.isinfocall(varargin{:})
22 varargout{1} = getInfo(varargin{3});
23 return
24 end
25
26 if nargout == 0
27 error('### getObjectAtIndex cannot be used as a modifier. Please give an output variable.');
28 end
29
30 import utils.const.*
31 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
32
33 % Collect input variable names
34 in_names = cell(size(varargin));
35 for ii = 1:nargin,in_names{ii} = inputname(ii);end
36
37 % Collect all 'ltpda_uoh' objects and plists
38 [mobjs, obj_invars, rest] = utils.helper.collect_objects(varargin(:), 'matrix', in_names);
39 [pl, pl_invars, rest] = utils.helper.collect_objects(rest(:), 'plist', in_names);
40
41
42 if numel(mobjs) > 1
43 error('### %s only supports a single input matrix object.', mfilename);
44 end
45
46 % Combine plists
47 pl = combine(pl, getDefaultPlist);
48
49 % Get indices
50 idxi = find(pl, 'i');
51 idxj = find(pl, 'j');
52 if isempty(idxi) || isempty(idxj)
53 % go through the other inputs
54 for jj = 1:numel(rest)
55 if isnumeric(rest{jj}) && isempty(idxi)
56 idxi = rest{jj};
57 elseif isnumeric(rest{jj}) && isempty(idxj)
58 idxj = rest{jj};
59 end
60 end
61 end
62
63 if isempty(idxi) && isempty(idxj)
64 error('### Please provide an index of index pair.');
65 end
66
67 % Now index with either (i) or (i,j)
68 if isempty(idxj)
69 for kk = 1:numel(idxi)
70 aout(kk) = copy(mobjs.objs(idxi(kk)), true);
71 hpl = pl.pset('i', idxi(kk));
72 if isempty(aout(kk).name)
73 aout(kk).setName(sprintf('%s(%s)', mobjs.name, num2str(idxi(kk))));
74 end
75 aout(kk).addHistory(getInfo('None'), hpl, obj_invars(1), mobjs.hist);
76 end
77 else
78 for ii = 1:numel(idxi)
79 for jj = 1:numel(idxj)
80 aout(ii*jj) = copy(mobjs.objs(idxi(ii), idxj(jj)), true);
81 hpl = pl.pset('i', idxi(ii));
82 hpl = pl.pset('j', idxj(jj));
83 if isempty(aout(ii*jj).name)
84 aout(ii*jj).setName(sprintf('%s(%s,%s)', mobjs.name, num2str(idxi(ii)), num2str(idxj(jj))));
85 end
86 aout(ii*jj).addHistory(getInfo('None'), hpl, obj_invars(1), mobjs.hist);
87 end
88 end
89 end
90
91 % Set output
92 varargout{1} = aout;
93 end
94
95 %--------------------------------------------------------------------------
96 % Get Info Object
97 %--------------------------------------------------------------------------
98 function ii = getInfo(varargin)
99 if nargin == 1 && strcmpi(varargin{1}, 'None')
100 sets = {};
101 pl = [];
102 else
103 sets = {'Default'};
104 pl = getDefaultPlist();
105 end
106 % Build info object
107 ii = minfo(mfilename, 'matrix', 'ltpda', utils.const.categories.helper, '$Id: getObjectAtIndex.m,v 1.11 2011/05/22 22:15:03 mauro Exp $', sets, pl);
108 ii.setModifier(false);
109 end
110
111 %--------------------------------------------------------------------------
112 % Get Default Plist
113 %--------------------------------------------------------------------------
114 function plout = getDefaultPlist()
115 persistent pl;
116 if ~exist('pl', 'var') || isempty(pl)
117 pl = buildplist();
118 end
119 plout = pl;
120 end
121
122 function plo = buildplist()
123
124 plo = plist();
125
126 p = param({'I', 'The I index of the inner object vector or matrix.'}, paramValue.EMPTY_DOUBLE);
127 plo.append(p);
128
129 p = param({'J', 'The J index of the inner object matrix.'}, paramValue.EMPTY_DOUBLE);
130 plo.append(p);
131
132 end
133