
Name 
Description 

ConvertToPolygons 
Converts similar triangles to a polygon feature class. 

ConvertToPolylines 
Converts qualified edges to a polyline feature class. 

DataEdgeCount 
The number of TIN edges that have a data triangle on one side or the other. 

DataNodeCount 
The number of data nodes in the TIN. 

DataTriangleCount 
The number of data triangles in the TIN. 

EdgeCount 
The total number of edges in the TIN. 

Extent 
The interpolation zone of the TIN. 

ExtractPolygon 
Returns a polygon definition based on all contiguous triangles having the same filter criteria. 

ExtractPolyline 
Returns a polyline definition based on triangle edges that meet the same filter criteria. 

Fields 
The collection of attribute items of the TIN. 

FindNaturalNeighbors 
Returns the immediate surrounding nodes to the query point. 

FindTriangle 
The triangle at the specified location. 

FindTriangleIndex 
The triangle at the specified location. 

FindTriangleNeighborhood 
Returns all triangles whose circumscribed circle contains the query point. 

Flag 
The userdefined flag for the TIN. 

FreeMemory 
Free memory used by the TIN. 

FullExtent 
The full 2Dextent of the TIN including NODATA nodes. 

GenerateUniqueTagValue 
Returns a new, previously unused tag value for the element. 

GetCountedUniqueTagValues 
Returns unique tag values with counts for the specified element type. 

GetDataArea 
Returns a polygon representing the data area of the TIN. 

GetEdge 
The edge referenced by the index. 

GetEdgeTagValue 
The tag value of the edge referenced by the index. 

GetEdgeType 
Gets the specified edge's type. 

GetLeftTriangleIndex 
Gets left triangle index of the specified edge. 

GetNaturalNeighborZ 
Return the zcoordinate of the specified location using Natural Neighbor interpolation. 

GetNeighborEdgeIndex 
Gets neighbor edge index. 

GetNode 
The node referenced by the specified index. 

GetNodeDegree 
Returns the degree of the specified node. 

GetNodeSource 
Returns the source of the specified node. 

GetNodeSourceCounts 
Returns the number of nodes with respect to different sources. 

GetNodeTagValue 
The tag value of the node referenced by the index. 

GetNodeZ 
The z value of the node referenced by the index. 

GetRightTriangleIndex 
Gets right triangle index of the specified edge. 

GetSpecialEdgeCounts 
Returns the total number of special edges in the TIN. 

GetTriangle 
The triangle referenced by the index. 

GetTriangleSeeds 
Returns one triangle representing each polygon defined by the filter criteria of the TIN. 

GetTriangleTagValue 
The tag value of the triangle referenced by the index. 

GetUniqueTagValues 
Returns unique tag values for the specified element type. 

HasEdgeTagValues 
Indicates if the TIN dataset has edge tag values. 

HasEdgeType 
Returns TRUE if the TIN contains the specified edge type. 

HasNodeTagValues 
Indicates if the TIN dataset has node tag values. 

HasTriangleTagValues 
Indicates if the TIN dataset has triangle tag values. 

Init 
Opens the specified TIN. 

IsDelaunay 
Indicates if TIN was constructed using Delaunay triangulation. 

IsEdgeInsideDataArea 
Returns TRUE if the edge is inside data area. 

IsEmpty 
Indicates if the TIN contains no data. 

IsNodeInsideDataArea 
Returns TRUE if the node is inside data area. 

IsNodeOnDomainBoundary 
Returns TRUE if the specified node is on domain's boundary. 

IsTriangleInsideDataArea 
Returns TRUE if the triangle is inside data area. 

IsVoidZ 
Indicates if the passed value is equal to the TIN's void value. 

MakeEdgeEnumerator 
Makes an edge enumerator based on the extent of the envelope. 

MakeNodeEnumerator 
Makes a node enumerator based on the extent of the envelope. 

MakeTriangleEnumerator 
Makes a triangle enumerator based on the extent of the envelope. 

NodeCount 
The total number of nodes in the TIN. 

ProcessCancelled 
Indicates if a process has been cancelled. 

QueryAllEdgeIndicesAroundNode 
Returns all edges connected to the specified node. If the last edge in the array has negative value, then its end node, instead of begin node, is the specified node. 

QueryBeginEndNodeIndices 
Gets begin and end nodes of the specified edge. 

QueryEdge 
The edge equal to that referenced by the index. 

QueryEdgeAsLine 
The line equal to the edge referenced by the index. 

QueryEdgeAsWKSPointZs 
The points equal to the end points of the edge referenced by the index. 

QueryEdgeIndicesAroundNode 
Returns all edges having the specified node as begin node. 

QueryElementAsGeometry 
Output the specified TIN element as Geometry object. 

QueryNaturalNeighborIndices 
Returns all Natural Neighbors corresponding to the query point. 

QueryNearestEdge 
Finds and returns the nearest edge to the query point. 

QueryNearestNode 
Finds and returns the nearest node to the query point. 

QueryNeighborsAndWeights 
Returns natural neighbors and their weights corresponding to the query point. 

QueryNode 
Queries the node equal to that specified by the index. 

QueryNodeAsPoint 
Queries the point equal to that specified by the index. 

QueryNodeAsWKSPointZ 
Queries the point equal to that specified by the index. 

QueryNodeIndicesAroundNode 
Returns all nodes connected to the specified node. 

QueryTriangle 
The triangle equal to that referenced by the index. 

QueryTriangleAsRing 
The ring equal to the triangle referenced by the index. 

QueryTriangleAsWKSPointZs 
Queries the points equal to the nodes of the triangle referenced by the index. 

QueryTriangleEdgeIndices 
Gets the three edges of the specified triangle (clockwise). 

QueryTriangleIndicesAroundNode 
Returns all triangles sharing the specified node. 

QueryTriangleNeighborhoodIndices 
Returns all triangles whose circumscribed circle contains the query point. 

QueryTriangleNodeIndices 
Gets the three nodes of the specified triangle (clockwise). 

SaveAs 
Saves the TIN to disk using the specified name. 

SaveAsVersion 
Saves the TIN to disk using the specified (full path) name. 

SetEmpty 
Uninitializes the TIN. 

SuperNodeExtent 
The full extent of the TIN based on the super nodes. 

Surface 
The ISurface interface (convenient tool for chaining in VB). 

TrackCancel 
The process cancellation on TIN methods. 

TriangleCount 
The total number of triangles in the TIN. 

UniqueTagValueCount 
The number of unique tag values for the specified element type. 

Version 
Returns the version number of the TIN engine used to build the TIN. 

ZFactor 
Multiplication factor applied to all z values in a TIN to provide unitcongruency between coordinate components. 