Checks in Data Reviewer

ArcGIS Data Reviewer offers many checks that can be selected from the 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 a 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

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

Database Validation checks

Default checks

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 and lines in polylines that touch or cross themselves

Default Checks

Duplicate Geometry checks

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

Duplicate Geometry Checks

Feature on Feature checks

Check name	Description
Geometry on Geometry	Finds features that have a specific spatial relationship, either from two different 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 different feature classes

Feature on Feature Checks

Polygon Checks

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

Polygon checks

Polyline Checks

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/paths, or polyline features whose length is within a specified range

Polyline checks

Spatial Parameter Evaluation checks

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

Spatial Parameter Evaluation checks

Table checks

Check name	Description
Execute SQL	Finds records based on a 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

Table checks

Topology checks

Check name	Description
Find Dangles	Searches for polylines that have dangles within a specified tolerance
Topology Rules	Finds features that violate topology rules defined in the database
Orphan	Finds topology edges that are not connected to the topology graph
Unnecessary Nodes	Finds adjacent polyline features that share a node and have attribute values that are identical on editable fields
Unnecessary Polygon Boundaries	Finds adjacent polygon features that share a boundary and have attribute values that are identical on editable fields

Topology Checks

Z Value checks

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
Slope Direction Change (Monotonicity)	Finds polylines with vertices that change slope direction according to specified conditions

Z-Value checks

Advanced checks

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	Finds records based on conditions defined in a custom condition table (CNT) extension
Sampling	Generates a set of features from one or more layers
Valency	Finds features that do or do not meet a specified relationship between points and lines or two line feature classes

Advanced checks