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Question: Headers In Tabular Datatypes
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gravatar for James Casbon
9.3 years ago by
James Casbon • 370
James Casbon • 370 wrote:
Deaf galaxy-user, So you can have tabular datasets, and you can add a datatype that subclasses tabular and adds column definitions. Is there a way of using tabular data with column headings without defining the datatype, i.e. getting galaxy to recognise that first line is a header and should be used as column titles? thanks, James
galaxy • 792 views
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modified 9.2 years ago by Greg Von Kuster • 840 • written 9.3 years ago by James Casbon • 370
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gravatar for Greg Von Kuster
9.2 years ago by
Greg Von Kuster • 840
Greg Von Kuster • 840 wrote:
Hello James, The Tabular data type does not allow for this as it would be very difficult to enforce consistency across datasets. Many tabular datasets include proper headers ( start with a "#" character ), while many do not. However, many formats sub-class Tabular, and probably the best way to do this would be to introduce support for a new datatype in your local instance that is a subclass of Tabular that provides this functionality. Greg Von Kuster Galaxy Development Team
ADD COMMENT • link written 9.2 years ago by Greg Von Kuster • 840
2009/9/1 Greg Von Kuster <ghv2@psu.edu>: Thanks, Greg. So you do think it is possible? I have tried to understand the datatype by looking at: http://bitbucket.org/galaxy/galaxy-central/wiki/AddingDatatypes and reading the code. I am now very confused - when should you use init_meta and set_meta, or a MetaDataElement ? It looks like MetaDataElements are class definitions, so to what extent can you change metadata on an instance?
ADD REPLY • link written 9.2 years ago by James Casbon • 370
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