Checks in Data Reviewer

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ArcGIS Data Reviewer for Desktop offers many checks that can be selected from the Select Data Check drop-down list on the Data Reviewer toolbar. These checks allow you to perform geometric and attribute validation as well as ensure data integrity. All the validation checks can be applied to an entire feature class or database, features within the current extent, or only the selected set of features. You can also use an SQL query WHERE clause to limit which features to evaluate for a particular check.

View a poster with all the Data Reviewer checks

Below are the categories in which the checks are grouped with a brief description of each individual check.

Database Validation checks

Checks in the Database Validation Checks category

Check name	Description
Connectivity Rules	Finds features that are part of a geometric network and violate connectivity rules
Domain	Validates coded value and range domains to ensure that all values meet domain constraints
Relationships	Searches for records that are orphans or have improper cardinality in a relationship class
Subtype	Searches for feature classes with improper or null (optional) subtypes
Topology Rules	Finds features that violate topology rules defined in the database

Default checks

Checks in the Default Checks category

Check name	Description
Invalid Geometry	Finds features whose geometry is empty, nothing, or not simple as well as those with empty envelopes
Multipart Line	Finds polyline features with more than one path
Multipart Polygon	Finds polygon features with more than one part or that contain a hole
Non-Linear Segment	Finds polyline features with nonlinear segments such as arcs and curves
Polyline or Path Closes on Self	Finds paths or lines in polyline features that close themselves

Duplicate Geometry checks

Checks in the Duplicate Geometry Checks category

Check name	Description
Duplicate Geometry	Finds features of the same geometry type that are collocated and optionally share attributes. Features can be either from two feature classes or within the same feature class.
Duplicate Vertex	Finds vertices from the same feature that are collocated or within a specified tolerance of one another.

Event checks

Checks in the Event Checks category

Check name	Description
Invalid Event	Finds linear referenced events that do not have an associated route, contain invalid measure values, or have gaps or overlaps within the same route or across multiple routes.

Feature on Feature checks

Checks in the Feature on Feature Checks category

Check name	Description
Geometry on Geometry	Finds features that have a specific spatial relationship, either from two feature classes or within the same feature class
Intersection on Geometry	Finds features from one feature class that are within a specified tolerance of an intersection between two other features from two feature classes or within the same feature class
Polygon Overlap/Gap is Sliver	Finds gaps and overlaps between polygon features from two feature classes

Polygon checks

Checks in the Polygon Checks category

Check name	Description
Evaluate Polygon Perimeter and Area	Finds parts, rings, segments, or entire polygons for features whose area or perimeter is within a specified range
Invalid Hole Feature	Finds features that have a spatial relationship with holes in a polygon feature class
Polygon Sliver	Finds polygons below a specified thinness ratio and whose area is within a specified threshold, optionally
Unnecessary Polygon Boundaries	Finds adjacent polygon features that share a boundary and have attribute values that are identical on editable fields

Polyline checks

Checks in the Polyline Checks category

Check name	Description
Cutbacks	Finds segments where the angle between segments in a polygon or polyline is below a specified minimum value
Evaluate Polyline Length	Finds polyline segments, polyline parts or paths, or polyline features whose length is within a specified range
Find Dangles	Searches for polylines that have dangles within a specified tolerance
Monotonicity	Searches z- or m-enabled polylines for vertices that are not strictly increasing or decreasing in value or are trending based on specified conditions
Orphan	Finds polyline features that are not connected to other polyline, polygon, or point features
Unnecessary Nodes	Finds adjacent polyline features that share a node and have attribute values that are identical on editable fields

Spatial Parameter Evaluation checks

Checks in the Spatial Parameter Evaluation Checks category

Check name	Description
Evaluate Extent	Finds multipoint, polyline, or polygon features that have an extent within a specified size
Evaluate Intersection Count	Finds vertices for polyline features that intersect polyline or polygon features in a second feature class a specified number of times
Evaluate Part Count	Finds features with a part count that is within a specified range
Evaluate Vertex Count	Finds features with a vertex count that is within a specified range

Table checks

Checks in the Table Checks category

Check name	Description
Execute SQL	Finds records based on an SQL query WHERE clause run against row attributes
Regular Expression	Finds records where values for string fields do not match the specified format
Table to Table Attribute	Finds values that match or do not match between feature class attribute fields and table fields
Unique ID	Searches for duplicate values in a table or feature attribute field across the entire database

Z Value checks

Checks in the Z-Value Checks category

Check name	Description
Adjacent Vertex Elevation Change	Finds vertices for polyline or polygon features with elevation (z-value) changes greater than the specified tolerance
Different Z at Intersection	Finds intersecting polyline features whose difference in elevation (z-value) is within the specified tolerance range at the point where they intersect
Evaluate Z Values	Finds features whose z-values are within a specified range
Polygon/Ring Closed	Finds unclosed rings in polygons based on the x-, y-, and z-values

Advanced checks

Checks in the Advanced Checks category

Check name	Description
Composite	Finds records based on a series of Geometry on Geometry or Table to Table Attribute checks run on a single object class
Custom	Returns records that meet the validation conditions of a custom check you developed to meet your specific requirements
Metadata	Validates that the specified GIS item descriptions have been populated to comply with either a standards-based metadata schema or user-specified content requirements
Sampling	Generates a set of features from one or more layers
Valency	Finds features that meet or do not meet a specified relationship between points and lines or two line feature classes