Changeset 1abd19c in sasview for src/sas/sasgui/perspectives/pr/media/pr_help.rst

Timestamp:

Aug 4, 2017 4:36:44 AM (7 years ago)

Author:

lewis

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

40add21

Parents:

cb62bd5

Message:

Add note about error on background value to docs

File:

• src/sas/sasgui/perspectives/pr/media/pr_help.rst (modified) (1 diff)

src/sas/sasgui/perspectives/pr/media/pr_help.rst

@@ -49 +49 @@
 P(r) inversion requires that the background be perfectly subtracted.  This is
 often difficult to do well and thus many data sets will include a background.
-For those cases, the user should check the "estimate background" box and the
-module will do its best to estimate it.
+For those cases, the user should check the "Estimate background level" option
+and the module will do its best to estimate it. If you know the background value
+for your data, select the "Input manual background level" option. Note that
+this value will be treated as having 0 error.
 
 The P(r) module is constantly computing in the background what the optimum