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Metadata

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Metadata is “data about data”. In the case of a map layer, it might include information about who created it, when it was created, and the data sources. Maptitude supports metadata for its geographic files, and it can be edited and viewed using the Metadata Viewer. This is displayed by right-clicking on the layer’s name in the Display Manager and selecting Metadata from the popup menu.

Initially the Metadata Viewer will be blank (there’s an image of a populated viewer further down this page). Press theĀ New button to display the New Metadata File dialog box:

The New Metadata File dialog box

The New Metadata File dialog box

Although you can create your own metadata keys, Maptitude supports the FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998. It will create a new metadata file following this standard. Maptitude can get the initial values from a metadata template, or from the layer’s geographic file. For example, the data extents can be calculated from layer’s features. Here we use the geographic file (for theĀ customers layer) but not a template. Press OK to create the new metadata file. The Metadata Viewer will now look something like this:

The Metadata Viewer

The Metadata Viewer

The keys are listed in the Metadata box. Subkeys are supported and these are shown with indentations. The values of the selected key or subkey is displayed in the Value or Subkeys box. This is editable. Errors (such as empty values) are displayed in the Parsing Results box. Here, the Originator field is reported as not having a value, so it has been selected and the new value Winwaed has been entered.

You can re-scan the values to check they are okay by pressing the Parse button. Press Save to save the new file (or any changes).

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