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sasview/src/sas/perspectives/calculator/media/data_operator_help.rst
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[98b30b4] | 1 | .. data_operator_help.rst |
2 | ||
3 | .. This is a port of the original SasView html help file to ReSTructured text | |
4 | .. by S King, ISIS, during SasView CodeCamp-III in Feb 2015. | |
5 | ||
6 | Data Operations Tool | |
7 | ==================== | |
8 | ||
9 | Description | |
10 | ----------- | |
11 | ||
[684fade] | 12 | This tool permits arithmetic operations between two data sets. Alternatively, |
13 | the last data set can be a number. | |
14 | ||
15 | *NOTE! When* Data1 *and* Data2 *are both data, their Q (or Qx and Qy for 2D) | |
16 | value(s) must match with each other UNLESS using the 'append' operator.* | |
[98b30b4] | 17 | |
18 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ | |
19 | ||
20 | How To | |
21 | ------ | |
22 | ||
[684fade] | 23 | 1) Enure you have loaded data into the *Data Explorer* (see :ref:`Load_Data`). |
24 | ||
25 | 2) Select *Data Operation* from the *Tool* menu on the SasView toolbar. | |
26 | ||
27 | 3) Select a dataset/theory in the drop-down menu *Data1*. A mini-plot of the | |
28 | data will appear underneath. | |
29 | ||
30 | 4) Select a dataset/theory in the drop-down menu *Data2* or select *Number* | |
31 | and enter a number in the box that appears alongside. | |
[98b30b4] | 32 | |
[684fade] | 33 | 5) Select an arithmetic operator symbol from the *Operator* drop-down. The |
34 | available operators are: | |
35 | ||
36 | * + (for addition) | |
37 | * - (for subtraction), | |
38 | * * (for multiplication) | |
39 | * / (for division) | |
40 | * | (for combination of two data sets) | |
[98b30b4] | 41 | |
[684fade] | 42 | If two data sets do not match, the operation will fail and the background |
43 | color of the combo box items will turn to red (WIN only). | |
[98b30b4] | 44 | |
[684fade] | 45 | 6) If the operation is successful, hit the Apply button to make the new dataset. |
46 | The new dataset will appear in the *Data Explorer*. | |
[98b30b4] | 47 | |
[684fade] | 48 | *NOTE! Any errors and warnings will be displayed at the bottom of the SasView |
49 | window.* | |
[98b30b4] | 50 | |
51 | .. image:: data_oper_pic.png | |
[684fade] | 52 | |
53 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ | |
54 | ||
55 | .. note:: This help document was last changed by Steve King, 18Feb2015 |
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