Changeset a74d650a in sasview

Timestamp:

Jan 7, 2011 1:44:36 PM (13 years ago)

Author:

Jae Cho <jhjcho@…>

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-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

614ce1b1

Parents:

2ca00c4

Message:

reduced an issue when both height and width are entered for smearing

File:

• DataLoader/extensions/smearer.cpp (modified) (1 diff)

DataLoader/extensions/smearer.cpp

@@ -148 +148 @@
                 // that the total number of points is still what
                 // the user would expect (downgrade resolution)
+                // Never down-grade npts_h. That will give incorrect slit smearing...
                 if(npts_h>1 && npts_w>1){
-                        npts_h = (int)ceil(sqrt((double)npts));
-                        npts_w = npts_h;
+                        npts_h = npts;//(int)ceil(sqrt((double)npts));
+                        // In general width is much smaller than height, so smaller npt_w
+                        // should work fine.
+                        // Todo: It is still very expansive in time. Think about better way.
+                        npts_w = (int)ceil(npts_h / 100);
                 }