# Images from FileSystem

By pressing the Load button user can open the existing file.

For NeXus Files an additional dialog is displayed

- NeXus image fields: selects NeXus field
- Stacking dimension: dimension of the 3D field which enumerates the consecutive frames.
- Frame to display: an image frame of 3D field to be displayed, -1 means the last one.

NeXus image frames can be also changed by clicking on the slider/buttons nearby the Load button.