Homec4science
Diffusion Instrument Control (TekRSA-Freq-vs-Time) Browse

rINSTCONTROL/Utility functions/runSession.m
e10c22efd725TekRSA-Freq-vs-Time

Last Change
Raw File

runSession.m
View Options

% 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
c4science · Help