12/16/2023 0 Comments Contour definition math![]() ![]() Click the New definition query button, or click its drop-down menu to create a new query in clause mode, SQL mode, or a query expression file (.exp).On the Data tab, in the Definition Query group, click the Build Definition Query button to open the Layer Properties dialog box with its Definition Query tab open.On the Feature Layer tab set, click the Data tab.Ensure a layer is selected in the Contents pane.Even with multiple definition queries defined for a layer, all can be inactive so that no definition query is applied. See Introduction to query expressions to learn how to work with clauses and queries and how to save and load queries from files.Ī layer can have multiple definition queries associated with it, but only one definition query can be active at a time. They are written in SQL syntax, constructed using the query builder. ![]() Definition queries and display filters can be used together on a layer, but definition queries limit the features available in the layer, while display filters only limit which features are displayed.ĭefinition queries are composed of one or more clauses. If you want to limit which features are drawn but retain all features from querying and processing, consider using display filters instead. ![]() This means that a definition query affects not only drawing, but also which features appear in the layer's attribute table and can be selected, labeled, identified, and processed by geoprocessing tools.
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