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Dataset

The Dataset tab allows the following options to be selected:

Name

The name of the dataset to which the overlay refers.

Coordinates

The coordinate system in which the dataset items are defined. To view or edit the coordinate system drop down the combo-box list, and press the right arrow at the bottom.

Feature Table

The feature table to use for feature-coded items in this dataset. Feature-coded items get their information about their feature code either from this feature table, or, if set, their own Feature Table property.

Scale

The default viewing scale for this dataset. This will affect how Text items convert their "point" heights into world sizes.

Items

The number of items opened in the dataset.

Memory (bytes)

The amount of memory SIS is using to store dataset items.

Locked (only active for BDS overlays)

Checking the Locked tickbox makes you the owner of the dataset. If anyone else is using the dataset you will not be able to check the tickbox.

Save Now (only active for BDS overlays)

Save a locked dataset that has been edited.

See Querying data in the Map Window - Querying datasets - The Dataset tab in the Overlays dialog for further details of the Dataset tab.

Dataset Properties

View or edit further dataset-specific information.

The following are examples of the properties that may be displayed for a BDS and a Cadcorp Internal Dataset:

Lower button block

These buttons are described at the end of the General tab topic.

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