SWD

SWD stands for SIS Workspace Definition.

The list of overlays in a view (including any overrides or filters) collectively forms a SIS Workspace Definition (SWD).

SWDs are denoted by a .swd file extension. This file type is exclusive to Cadcorp SIS products.

SWD files represent a saved view of your data, in whatever condition you worked on it last (editable, hittable, zoomed in, filters applied, etc).

To save the SWD use Save (File > Save).

TIP: See here for more on SWDs

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