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How to convert a multipart to a singlepart in ArcGIS?
A new field, ORIG_FID, will be added to the output feature class and set to the input feature IDs. Each part of a multipart input feature will become an individual singlepart feature in the output feature class.
How do you check multipart polygons in ArcMap?
Click the Select Data Check drop-down arrow on the Data Reviewer toolbar, click the plus sign (+) next to Default Checks, then click Multipart Polygon Check. The Multipart Polygon Check Properties dialog box appears. If necessary, type a unique name for the check in the Check Title text box.
How to add a part to a multipart polygon?
To add a part to an existing feature, use the Continue Feature tool to digitize the new part. To remove a part from an existing multipart feature, double-click the feature with the Edit tool, right-click the part you want to delete, point to Part, then click Delete.
How does multipart polygon check work in SQL?
The Multipart Polygon check finds multipart polygon features and writes them to the Reviewer table as records. The check can be run on an entire feature class, a subtype, or a set of features selected using a SQL query. Once you have defined the criteria for the check, you can configure the notes and a severity rating.
How to reconstruct multipart features from singlepart?
To reconstruct multipart features from singlepart features based on a common field value, such as ORIG_FID, use the Dissolve tool. The input features that can be any feature type. The output feature class containing features that vary with input feature type.
How does merge and union work in ArcGIS?
Merge allows you to combine features within the same layer, while Union works with features in different layers. You can also use Merge or Union to add another part to a multipart feature. To do this, create the new feature, select it and the existing feature, and then use Merge or Union.
How to create a polygon feature in ArcGIS?
Click a line feature template in the Create Features window and click the Line tool . Click a polygon feature template in the Create Features window and click the Polygon tool . Click the map to create the segments.