forked from episodes-platform/shared-snippets
47 lines
1.5 KiB
Mathematica
47 lines
1.5 KiB
Mathematica
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% -----------------
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% Copyright © 2022 ACK Cyfronet AGH, Poland.
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% -----------------
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%
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% Get string format for the time values provided in timeVector. Format is based
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% on numeric 'FieldType' (GDF) or 'type' (catalog) field
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% see https://docs.cyfronet.pl/display/ISEPOS/GDF+v2.2+-+description
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function timeStrVector = formatTime(timeVector, fieldType)
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% if we have '5a' and '5b', the date value is a string instead of a number)
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if (ischar(fieldType) && (strcmp(fieldType, '5a') || strcmp(fieldType, '5b')))
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timeStrVector = timeVector;
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return;
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end
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if iscell(timeVector)
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timeVector = cell2mat(timeVector);
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end
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emptyIndexes = isnan(timeVector);
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timeFormat = getTimeFormat(fieldType);
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timeStrVector(~emptyIndexes, 1) = cellstr(datestr(timeVector(~emptyIndexes), timeFormat));
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timeStrVector(emptyIndexes, 1) = { 'NaN' };
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end
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function timeFormat = getTimeFormat(fieldType)
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if (fieldType == 5)
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timeFormat = 'yyyy mmm dd HH:MM:SS.FFF';
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else
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timeFormat = arrayfun(@changeToMatlabFormat, fieldType(2:end));
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end
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end
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% Matlab uses different specification of the format than the one used in GDF files (based on Java format) - e.g., 'M' is
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% used in GDF for month, while in Matlab it is used for minutes
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function correctedFormatId = changeToMatlabFormat(javaTimeFormatId)
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switch javaTimeFormatId
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case 'M'
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correctedFormatId = 'm';
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case 'm'
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correctedFormatId = 'M';
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case 's'
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correctedFormatId = 'S';
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case 'S'
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correctedFormatId = 'F';
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otherwise
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correctedFormatId = javaTimeFormatId;
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end
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end
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