line source
+ − % SELECT select particular samples from the input AOs and return new AOs with only those samples.
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % DESCRIPTION: SELECT select particular samples from the input AOs and return
+ − % new AOs with only those samples.
+ − %
+ − % CALL: b = select(a, [1 2 3 4]);
+ − % b = select(a, pl)
+ − %
+ − % <a href="matlab:utils.helper.displayMethodInfo('ao', 'select')">Parameters Description</a>
+ − %
+ − % VERSION: $Id: select.m,v 1.42 2011/10/06 05:21:05 hewitson Exp $
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function varargout = select(varargin)
+ −
+ − % Check if this is a call for parameters
+ − if utils.helper.isinfocall(varargin{:})
+ − varargout{1} = getInfo(varargin{3});
+ − return
+ − end
+ −
+ − import utils.const.*
+ − utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
+ −
+ − % Collect input variable names
+ − in_names = cell(size(varargin));
+ − for ii = 1:nargin,in_names{ii} = inputname(ii);end
+ −
+ − % Collect all AOs and plists
+ − [as, ao_invars, rest] = utils.helper.collect_objects(varargin(:), 'ao', in_names);
+ − [pl, pl_invars, rest] = utils.helper.collect_objects(rest(:), 'plist', in_names);
+ −
+ − % Decide on a deep copy or a modify
+ − bs = copy(as, nargout);
+ −
+ − % Combine plists
+ − pl = parse(pl, getDefaultPlist);
+ −
+ − % Check for samples in arguments
+ − samples_in = [];
+ − for jj = 1:numel(rest)
+ − if isnumeric(rest{jj})
+ − samples_in = [samples_in reshape(rest{jj}, 1, [])];
+ − end
+ − end
+ −
+ − % Get sample selection from plist
+ − sam = find(pl, 'samples');
+ − axis = find(pl, 'axis');
+ − if isnumeric(sam)
+ − samples = [samples_in reshape(find(pl, 'samples'), 1, [])];
+ − elseif isa(sam, 'ao')
+ − if isa(sam.data, 'tsdata')
+ − if axis == 'y'
+ − samples = [samples_in sam.y];
+ − else
+ − samples = [samples_in 1:len(sam)];
+ − end
+ − elseif isa(sam.data, 'xydata') || isa(sam.data, 'fsdata')
+ − if axis == 'y'
+ − samples = [samples_in reshape(sam.y, 1, [])];
+ − else
+ − samples = [samples_in reshape(sam.x, 1, [])];
+ − end
+ − end
+ − end
+ − samples = sort(samples);
+ − % Set the samples again to the plist because it is possible that the user
+ − % specified the not in the plist but direct as input.
+ − if ~isempty(samples_in)
+ − pl.pset('samples', samples);
+ − end
+ −
+ − % Loop over input AOs
+ − for jj = 1:numel(bs)
+ − if isa(bs(jj).data, 'cdata')
+ − bs(jj).data.setY(bs(jj).data.y(samples));
+ − if numel(bs(jj).data.dy) > 1
+ − bs(jj).data.setDy(bs(jj).data.dy(samples));
+ − end
+ − if isprop(bs(jj).data, 'enbw')
+ − if numel(bs(jj).data.enbw) > 1
+ − bs(jj).data.setEnbw(bs(jj).data.enbw(samples));
+ − end
+ − end
+ − else
+ − % Get x
+ − x = bs(jj).data.getX;
+ − % set new samples
+ − bs(jj).data.setXY(x(samples), bs(jj).data.y(samples));
+ − if numel(bs(jj).data.dx) > 1
+ − bs(jj).data.setDx(bs(jj).data.dx(samples));
+ − end
+ − if numel(bs(jj).data.dy) > 1
+ − bs(jj).data.setDy(bs(jj).data.dy(samples));
+ − end
+ − if isprop(bs(jj).data, 'enbw')
+ − if numel(bs(jj).data.enbw) > 1
+ − bs(jj).data.setEnbw(bs(jj).data.enbw(samples));
+ − end
+ − end
+ − % if this is tsdata, we may need to do some other steps
+ − if isa(bs(jj).data, 'tsdata')
+ − % recompute nsecs
+ − bs(jj).data.fixNsecs;
+ − end
+ − end
+ − % Set AO name
+ − bs(jj).name = sprintf('select(%s)', ao_invars{jj});
+ − % Add history
+ − bs(jj).addHistory(getInfo('None'), pl, ao_invars(jj), bs(jj).hist);
+ − end
+ −
+ − % Set output
+ − varargout = utils.helper.setoutputs(nargout, bs);
+ −
+ − end
+ −
+ − %--------------------------------------------------------------------------
+ − % Get Info Object
+ − %--------------------------------------------------------------------------
+ − function ii = getInfo(varargin)
+ − if nargin == 1 && strcmpi(varargin{1}, 'None')
+ − sets = {};
+ − pl = [];
+ − else
+ − sets = {'Default'};
+ − pl = getDefaultPlist();
+ − end
+ − % Build info object
+ − ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.sigproc, '$Id: select.m,v 1.42 2011/10/06 05:21:05 hewitson Exp $', sets, pl);
+ − end
+ −
+ − %--------------------------------------------------------------------------
+ − % Get Default Plist
+ − %--------------------------------------------------------------------------
+ − function plout = getDefaultPlist()
+ − persistent pl;
+ − if ~exist('pl', 'var') || isempty(pl)
+ − pl = buildplist();
+ − end
+ − plout = pl;
+ − end
+ −
+ − function plo = buildplist()
+ − plo = plist();
+ −
+ − p = param({'samples', 'A list of samples to select.'}, paramValue.EMPTY_DOUBLE);
+ − plo.append(p);
+ −
+ − p = param({'axis', 'If the samples are specified with an AO then it is possible from axis you want to select the samples.'}, {1 {'x', 'y'} paramValue.SINGLE});
+ − plo.append(p);
+ −
+ − end
+ −
+ − % END
+ − % PARAMETERS: 'samples' - a list of samples to select
+ − %