source: sasview/src/sas/guiframe/media/data_formats_help.rst @ 1394952

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
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Data Formats

1D_Formats

2D_Formats

1D Formats

SasView will read files with 2 to 4 columns of numbers in the following order:

Q, I(Q), (dI(Q), dQ(Q))

where dQ(Q) is the instrumental resolution in Q and assumed to have originated from pinhole geometry.

Numbers can be separated by spaces or commas.

SasView recognises the following file extensions:

  • .TXT
  • .ASC
  • .DAT
  • .XML (in canSAS format v1.0 and 1.1)

If using CSV output from, for example, a spreadsheet, ensure that it is not using commas as delimiters for thousands.

For a description of the CanSAS/SASXML format see: http://www.cansas.org/formats/canSAS1d/1.1/doc/

For a description of the NIST 1D format see: http://danse.chem.utk.edu/trac/wiki/NCNROutput1D_IQ

For a description of the ISIS 1D format see: http://www.isis.stfc.ac.uk/instruments/loq/software/colette-ascii-file-format-descriptions9808.pdf

NOTE! SasView does not at present load data where the Q and I(Q) data are in separate files.

2D Formats

SasView will only read files in the NIST 2D format with the extensions .ASC or .DAT

Most of the header lines can be removed except the last line, and only the first three columns (Qx, Qy, and I(Qx,Qy)) are actually required.

For a description of the NIST 2D format see: http://danse.chem.utk.edu/trac/wiki/NCNROutput1D_2DQxQy

Note

This help document was last changed by Steve King, 18Feb2015

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