and |
|
By selecting and only those layers
containing all the options selected will be returned.
For example, if you select lagoons under title
and boundaries under Theme,
only those layers containing both these elements will
be returned. In fact no layers will be returned as this
combination is not present in the atlas! |
or |
|
By selecting or those layers containing
either field or all fields under the options selected
will be returned. For example, if you select lagoons
under title and boundaries under
Theme, all layers containing either or
both of these elements will be returned. In this case
a number of layers will be returned. |