To Filter Feature Layers

To filter a feature layer

1. If you are filtering by location, zoom the window to the extents of the selected feature class.
2. Select the feature layers and select the filter command.

   For example, in AutoCAD Map 3D toolset Display Manager, right-click a selected layer and click Query To Filter Data.

3. In the Create Query window, do either of the following:
   • To add more feature layers to the data being searched by the expression, click Add Layer and select the layer to add.
   • To delete a layer, select it in the list and click Delete.

   The list of layers at the top of the window shows any existing filters for the selected layers. If the layers use a common query (specifying a property that all the layers have in common), that query is listed separately.

4. Create an expression, using any of the following expression types:
   • Filtering by Location — Selects all features in a location you specify. Select one of the Locate On Map options and define a location in your drawing.

     For example, use a location expression to find all manholes in one section of town. You can also find all parcels that touch a road, or all water pipes within 100 meters of a road.

   • Evaluating Properties— Selects all features that have the property value you specify. Insert a property, an operator, and a value.

     For example, to select all pipes with a diameter greater than 10, specify Diameter > 10.

     The Property list displays the properties available for this feature class. You can view and insert available values for a property from a list.

5. Optionally, add conditions to the expression.
6. Validate your expression.
7. Click OK to apply the filter.