public static void ConvertOptimisedTTMToMutableTTM(VSS.TRex.Designs.TTM.Optimised.TrimbleTINModel ttm, string fileName)
{
// Create a mutable TIN model, convert the optimized model into it, then extract the optimized index from it
var mutableTTM = new VSS.TRex.Designs.TTM.TrimbleTINModel();
mutableTTM.Vertices.InitPointSearch(ttm.Vertices.Items.Min(x => x.X) - 1, ttm.Vertices.Items.Min(x => x.Y) - 1,
ttm.Vertices.Items.Max(x => x.X) + 1, ttm.Vertices.Items.Max(x => x.Y) + 1,
ttm.Vertices.Items.Length);
// Create the vertices
foreach (var v in ttm.Vertices.Items)
{
mutableTTM.Vertices.AddPoint(v.X, v.Y, v.Z);
}
// Create the triangles
foreach (var tri in ttm.Triangles.Items)
{
mutableTTM.Triangles.AddTriangle(
mutableTTM.Vertices[tri.Vertex0],
mutableTTM.Vertices[tri.Vertex1],
mutableTTM.Vertices[tri.Vertex2]);
}
mutableTTM.SaveToFile(fileName, true);
}
public static bool CreateOptimisedIndexForModel(VSS.TRex.Designs.TTM.Optimised.TrimbleTINModel ttm,
out OptimisedSpatialIndexSubGridTree tree,
out int[] triangleIndices)
{
const double CellSize = 1.0;
tree = null;
triangleIndices = null;
var indexBuilder = new OptimisedTTMSpatialIndexBuilder(ttm, CellSize);
if (indexBuilder.ConstructSpatialIndex())
{
tree = indexBuilder.SpatialIndexOptimised;
triangleIndices = indexBuilder.SpatialIndexOptimisedTriangles;
return(true);
}
return(false);
}
