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[2b7d102] | 1 | .. data_formats.rst |
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| 2 | |
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| 3 | .. This is a port of the original SasView html help file to ReSTructured text |
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| 4 | .. by S King, ISIS, during SasView CodeCamp-III in Feb 2015. |
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| 5 | |
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| 6 | Data Formats |
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| 7 | ============ |
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| 8 | |
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| 9 | 1D_Formats_ |
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| 10 | |
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| 11 | 2D_Formats_ |
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| 12 | |
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| 13 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 14 | |
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| 15 | .. _1D_Formats: |
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| 16 | |
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| 17 | 1D Formats |
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| 18 | ---------- |
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| 19 | |
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| 20 | SasView will read files with 2 to 4 columns of numbers in the following order: |
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| 21 | |
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| 22 | Q, I(Q), (dI(Q), dQ(Q)) |
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| 23 | |
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| 24 | where dQ(Q) is the instrumental resolution in Q and assumed to have originated |
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| 25 | from pinhole geometry. |
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| 26 | |
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| 27 | Numbers can be separated by spaces or commas. |
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| 28 | |
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| 29 | SasView recognises the following file extensions: |
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| 30 | |
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| 31 | .TXT |
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[6f10243] | 32 | |
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[2b7d102] | 33 | .ASC |
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[6f10243] | 34 | |
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[2b7d102] | 35 | .DAT |
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[6f10243] | 36 | |
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[2b7d102] | 37 | .XML (in canSAS format v1.0 and 1.1) |
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| 38 | |
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| 39 | If using CSV output from, for example, a spreadsheet, ensure that it is not |
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| 40 | using commas as delimiters for thousands. |
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| 41 | |
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| 42 | For a description of the NIST 1D format see: |
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[6f10243] | 43 | |
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[2b7d102] | 44 | http://danse.chem.utk.edu/trac/wiki/NCNROutput1D_IQ |
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| 45 | |
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| 46 | For a description of the ISIS 1D format see: |
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[6f10243] | 47 | |
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[2b7d102] | 48 | http://www.isis.stfc.ac.uk/instruments/loq/software/colette-ascii-file-format-descriptions9808.pdf |
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| 49 | |
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| 50 | NB: SasView does not at present load data where the Q and I(Q) data are in |
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| 51 | separate files. |
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| 52 | |
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| 53 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 54 | |
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| 55 | .. _2D_Formats: |
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| 56 | |
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| 57 | 2D Formats |
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| 58 | ---------- |
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| 59 | |
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| 60 | SasView will only read files in the NIST 2D format with the extensions |
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| 61 | .ASC or .DAT |
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| 62 | |
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| 63 | Most of the header lines can be removed except the last line, and only the |
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| 64 | first three columns (Qx, Qy, and I(Qx,Qy)) are actually required. |
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| 65 | |
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| 66 | For a description of the NIST 2D format see: |
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[6f10243] | 67 | |
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[2b7d102] | 68 | http://danse.chem.utk.edu/trac/wiki/NCNROutput1D_2DQxQy |
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| 69 | |
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| 70 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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