Diffusion Instrument Control (TekRSA-Freq-vs-Time) Browse

runSession.m
bc0b0108785dTekRSA-Freq-vs-Time

runSession.m
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			% Load metadata specified in filename, run all the instruments indicated in
			% it and configure the settings of those instruments from metadata
			% parameters

			function runSession(filename)
			Mdt = MyMetadata.load(filename);

			assert(~isempty(Mdt), ['Metadata is not found in the file ''' ...
			filename '''.']);

			disp(['Loading session info from file ' filename '...'])

			% SessionInfo contains information about the state of Collector
			CollMdt = titleref(Mdt, 'SessionInfo');

			if length(CollMdt)>1
			warning(['Multiple SessionInfo fields are found in the file ' ...
			'metadata.']);
			CollMdt = CollMdt(1);
			end

			ProgList = getIcPrograms();
			prog_names = {ProgList.name};

			if ~isempty(CollMdt)

			% Get the list of instruments active during the session from the
			% collector metadata
			ind = cellfun(@(x)ismember(x, CollMdt.ParamList.instruments), ...
			prog_names);
			else

			% Get the list of instruments as the titles of those metadata
			% entries that have a corresponding local measurement routine
			ind = cellfun(@(x)ismember(x, {Mdt.title}), prog_names);
			end

			ActiveProgList = ProgList(ind);

			% Delete all the instruments present in the collector
			C = MyCollector.instance();

			disp('Closing the current session...')

			flush(C);

			% Run new instruments and configure their settings
			for i = 1:length(ActiveProgList)
			nm = ActiveProgList(i).name;

			disp(['Starting ' nm '...'])

			% Extract instument options from the collector metadata or assign
			% default values
			try
			has_gui = CollMdt.ParamList.InstrProps.(nm).has_gui;
			catch
			has_gui = true;
			end

			try
			gui_position = CollMdt.ParamList.InstrProps.(nm).gui_position;
			catch
			gui_position = '';
			end

			% We hedge the operation of running a new instrument so that the
			% falure of one would not prevent starting the others
			try
			if has_gui
			eval(ActiveProgList(i).run_expr);

			if ~isempty(gui_position)
			Instr = getInstrument(C, nm);
			Fig = findFigure(Instr);

			original_units = Fig.Units;
			Fig.Units = 'pixels';

			% Set x and y position of GUI figure
			Fig.Position(1) = gui_position(1);
			Fig.Position(2) = gui_position(2);

			% Restore the figure settings
			Fig.Units = original_units;
			end
			else
			eval(ActiveProgList(i).run_bg_expr);
			end

			% Configure the settings of instrument object
			InstrMdt = titleref(Mdt, nm);
			Instr = getInstrument(C, nm);

			if ~isempty(InstrMdt) && ismethod(Instr, 'writeSettings')
			if length(InstrMdt) > 1
			warning(['Duplicated entries are found for the ' ...
			'instrument with name ''' nm '''.']);
			InstrMdt = InstrMdt(1);
			end

			try
			writeSettings(Instr, InstrMdt);
			catch ME
			warning(['Error while attempting to write serrings '...
			'to ''' nm ''': ' ME.message])
			end
			end
			catch ME
			warning(['Could not start instrument with name ''' nm ...
			'''. Error: ' ME.message])
			end
			end

			if ~isempty(CollMdt)

			% Set measurement session name
			if isfield(CollMdt.ParamList, 'session_name')
			C.session_name = CollMdt.ParamList.session_name;
			end

			% Run apps
			for i = 1:length(CollMdt.ParamList.apps)
			try
			nm = CollMdt.ParamList.apps{i};

			% The convention is such that apps can be instantiated
			% as classname(), i.e. that their constructor does not have
			% required input arguments.
			App = eval(CollMdt.ParamList.AppProps.(nm).class);

			pos = CollMdt.ParamList.AppProps.(nm).position;
			if ~isempty(pos)
			Fig = findFigure(App);

			original_units = Fig.Units;
			Fig.Units = 'pixels';

			% Set x and y position of figure
			Fig.Position(1) = pos(1);
			Fig.Position(2) = pos(2);

			% Restore the figure settings
			Fig.Units = original_units;
			end
			catch ME
			warning(['Error while attempting to run an app: ' ...
			ME.message])
			end
			end
			end

			disp('Finished loading session.')
			end

rINSTCONTROL/Utility functions/runSession.mbc0b0108785dTekRSA-Freq-vs-Time

runSession.mView Options

rINSTCONTROL/Utility functions/runSession.m
bc0b0108785dTekRSA-Freq-vs-Time

runSession.m
View Options