Provides access to members that extend the ITopologicalOperator interface.
**Note:** the ITopologicalOperator2 interface has been superseded by ITopologicalOperator5. Please consider using the more recent version.

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Description |
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Boundary | The boundary of this geometry. A polygon's boundary is a polyline. A polyline's boundary is a multipoint. A point or multipoint's boundary is an empty point or multipoint. | |

Buffer | Constructs a polygon that is the locus of points at a distance less than or equal to a specified distance from this geometry. | |

Clip | Constructs the intersection of this geometry and the specified envelope. | |

ClipDense | Constructs the intersection of this geometry and the specified envelope; densifies lines in output contributed by the clipping envelope. | |

ClipToDomain | Clips the geometry to the domain of the spatial reference. Useful for ensuring that buffers can be fit within the spatial domain of the feature class to which they are being added. | |

ConstructBuffers | Constructs a set of buffers at various distances. More efficient than calling Buffer repeatedly on the same geometry. This method is intended for internal use only. | |

ConstructUnion | Defines this geometry to be the union of the inputs. More efficient for unioning multiple geometries than calling Union repeatedly. | |

ConvexHull | Constructs the convex hull of this geometry. | |

Cut | Splits this geometry into a part left of the cutting polyline, and a part right of it. | |

Difference | Constructs the geometry containing points from this geometry but not the other geometry. | |

Intersect | Constructs the geometry that is the set-theoretic intersection of the input geometries. Use different resultDimension values to generate results of different dimensions. | |

IntersectMultidimension | Constructs the set-theoretic intersection of the inputs. The results are returned in a geometry bag with one element per result dimension. | |

IsKnownSimple | Indicates whether this geometry is known (or assumed) to be topologically correct. | |

IsKnownSimple | Indicates whether this geometry is known (or assumed) to be topologically correct. | |

IsSimple | Indicates whether this geometry is known (or assumed) to be topologically correct, after explicitly determining this if the geometry is not already known (or assumed) to be simple. | |

QueryClipped | Redefines clippedGeometry to be the intersection of this geometry and the clipping envelope. | |

QueryClippedDense | Redefines clippedGeometry to be the intersection of this geometry and the clipping envelope; densifies lines in the output contributed by the clipping envelope. | |

Simplify | Makes this geometry topologically correct. | |

SymmetricDifference | Constructs the geometry that contains points from either but not both input geometries. | |

Union | Constructs the geometry that is the set-theoretic union of the input geometries. |

Interfaces | Description |
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ITopologicalOperator | Provides access to members for constructing new geometries based upon topological relationships between existing geometries. |

CoClasses and Classes | Description |
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GeoEllipse (esriDefenseSolutions) | A spheroidal ellipse. |

GeoPolygon (esriDefenseSolutions) | A spheroidal polygon. |

GeoPolyline (esriDefenseSolutions) | A spheroidal polyline. |

MultiPatch | A collection of surface patches. |

Multipoint | An ordered collection of points; optionally has measure, height and ID attributes. |

Polygon | A collection of rings ordered by their containment relationship; optionally has measure, height and ID attributes. |

Polyline | An ordered collection of paths; optionally has measure, height and ID attributes. |