ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Core.Data.Analyst3D Namespace / TinTriangleCursor Class
Members Example

In This Topic
    TinTriangleCursor Class
    In This Topic
    Represents a cursor of triangles from a TIN dataset. See TinDataset.SearchTriangles.
    Object Model
    TinTriangleCursor ClassTinTriangle Class
    Syntax
    public sealed class TinTriangleCursor : TinCursor, System.IDisposable  
    Public NotInheritable Class TinTriangleCursor 
       Inherits TinCursor
       Implements System.IDisposable 
    Example
    Search for TIN Triangles
    // search all triangles
    using (ArcGIS.Core.Data.Analyst3D.TinTriangleCursor triangleCursor = tinDataset.SearchTriangles(null))
    {
      while (triangleCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinTriangle triangle = triangleCursor.Current)
        {
    
        }
      }
    }
    
    // search within an extent
    ArcGIS.Core.Data.Analyst3D.TinTriangleFilter triangleFilter = new ArcGIS.Core.Data.Analyst3D.TinTriangleFilter();
    triangleFilter.FilterEnvelope = envelope;
    using (ArcGIS.Core.Data.Analyst3D.TinTriangleCursor triangleCursor = tinDataset.SearchTriangles(triangleFilter))
    {
      while (triangleCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinTriangle triangle = triangleCursor.Current)
        {
    
        }
      }
    }
    
    // search all "inside" triangles
    triangleFilter = new ArcGIS.Core.Data.Analyst3D.TinTriangleFilter();
    triangleFilter.FilterType = ArcGIS.Core.Data.Analyst3D.TinFilterType.InsideDataArea;
    using (ArcGIS.Core.Data.Analyst3D.TinTriangleCursor triangleCursor = tinDataset.SearchTriangles(triangleFilter))
    {
      while (triangleCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinTriangle triangle = triangleCursor.Current)
        {
    
        }
      }
    }
    
    Seach for TIN Nodes, Edges, Triangles
    // search all "inside" nodes
    using (ArcGIS.Core.Data.Analyst3D.TinNodeCursor nodeCursor = tinLayer.SearchNodes(null))
    {
      while (nodeCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinNode node = nodeCursor.Current)
        {
    
        }
      }
    }
    
    // search "inside" nodes with an extent
    ArcGIS.Core.Data.Analyst3D.TinNodeFilter nodeFilter = new ArcGIS.Core.Data.Analyst3D.TinNodeFilter();
    nodeFilter.FilterEnvelope = envelope;
    using (ArcGIS.Core.Data.Analyst3D.TinNodeCursor nodeCursor = tinLayer.SearchNodes(nodeFilter))
    {
      while (nodeCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinNode node = nodeCursor.Current)
        {
    
        }
      }
    }
    
    // search for super nodes only
    var supernodeFilter = new ArcGIS.Core.Data.Analyst3D.TinNodeFilter();
    supernodeFilter.FilterEnvelope = tinDataset.GetSuperNodeExtent();
    supernodeFilter.DataElementsOnly = false;
    supernodeFilter.SuperNode = true;
    using (ArcGIS.Core.Data.Analyst3D.TinNodeCursor nodeCursor = tinLayer.SearchNodes(nodeFilter))
    {
      while (nodeCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinNode node = nodeCursor.Current)
        {
    
        }
      }
    }
    
    
    // search all edges within an extent
    //    this could include outside or edges attached to super nodes depending upon the extent
    ArcGIS.Core.Data.Analyst3D.TinEdgeFilter edgeFilterAll = new ArcGIS.Core.Data.Analyst3D.TinEdgeFilter();
    edgeFilterAll.FilterEnvelope = envelope;
    edgeFilterAll.DataElementsOnly = false;
    using (ArcGIS.Core.Data.Analyst3D.TinEdgeCursor edgeCursor = tinLayer.SearchEdges(edgeFilterAll))
    {
      while (edgeCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinEdge edge = edgeCursor.Current)
        {
        }
      }
    }
    
    
    // search for hard edges in the TIN
    var edgeFilter = new ArcGIS.Core.Data.Analyst3D.TinEdgeFilter();
    edgeFilter.FilterByEdgeType = true;
    edgeFilter.EdgeType = ArcGIS.Core.Data.Analyst3D.TinEdgeType.HardEdge;
    using (ArcGIS.Core.Data.Analyst3D.TinEdgeCursor edgeCursor = tinLayer.SearchEdges(edgeFilter))
    {
      while (edgeCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinEdge edge = edgeCursor.Current)
        {
    
        }
      }
    }
    
    
    // search for "inside" triangles in an extent
    ArcGIS.Core.Data.Analyst3D.TinTriangleFilter triangleFilter = new ArcGIS.Core.Data.Analyst3D.TinTriangleFilter();
    triangleFilter.FilterEnvelope = envelope;
    triangleFilter.DataElementsOnly = true;
    using (ArcGIS.Core.Data.Analyst3D.TinTriangleCursor triangleCursor = tinLayer.SearchTriangles(triangleFilter))
    {
      while (triangleCursor.MoveNext())
      {
        using (ArcGIS.Core.Data.Analyst3D.TinTriangle triangle = triangleCursor.Current)
        {
        }
      }
    }
    Inheritance Hierarchy

    System.Object
       ArcGIS.Core.CoreObjectsBase
          ArcGIS.Core.Data.Analyst3D.TinCursor
             ArcGIS.Core.Data.Analyst3D.TinTriangleCursor

    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.2 or higher.
    See Also