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Diffstat (limited to 'doc/man/crystfel_geometry.5.md')
-rw-r--r-- | doc/man/crystfel_geometry.5.md | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/man/crystfel_geometry.5.md b/doc/man/crystfel_geometry.5.md index affe7ba8..0a3fffbd 100644 --- a/doc/man/crystfel_geometry.5.md +++ b/doc/man/crystfel_geometry.5.md @@ -537,8 +537,10 @@ The highest-level group should always be called **all**. The group definitions must come **after** the panel definitions. A good way to go is to put all the group definitions at the very end of the geometry file. -If the detector consists of only one panel, CrystFEL will automatically create -the **all** group containing it. +If you do not define any groups, CrystFEL will automatically create the **all** +group for you, containing all panels in a flat hierarchy. This allows basic +geometry refinement (level zero, see **align_detector**) to work without any +extra work. The **group** system replaces the **rigid_group** system used in older versions of CrystFEL. If the geometry file contains any **rigid_group** lines, they |