public void GridToTINDecimatorTests_BuildMesh_GetTIN()
{
var dataStore = new DecimationElevationSubGridTree();
SubGridUtilities.SubGridDimensionalIterator((x, y) =>
{
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + x, SubGridTreeConsts.DefaultIndexOriginOffset + y] = 100f;
});
var decimator = new GridToTINDecimator(dataStore);
decimator.SetDecimationExtents(DataStoreExtents(dataStore));
bool result = decimator.BuildMesh();
result.Should().BeTrue($"Failed to build mesh from data store with a sub grid of points fault code {decimator.BuildMeshFaultCode}");
decimator.GetTIN().Should().NotBeNull();
//string fileName = $@"C:\temp\UnitTestExportTTM({DateTime.Now.Ticks}).ttm";
//decimator.GetTIN().SaveToFile(fileName, true);
//TrimbleTINModel tin = new TrimbleTINModel();
//tin.LoadFromFile(fileName);
decimator.GetTIN().Triangles.Count.Should().Be(3);
decimator.GetTIN().Triangles[0].Vertices.ForEach(x => x.Z.Should().Be(100f));
decimator.GetTIN().Vertices.Count.Should().Be(5);
decimator.GetTIN().Vertices.ForEach(x => x.Z.Should().Be(100.0f));
}
public void GridToTINDecimatorTests_BuildMesh_SinglePoint()
{
DecimationElevationSubGridTree dataStore = new DecimationElevationSubGridTree();
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 100, SubGridTreeConsts.DefaultIndexOriginOffset + 100] = 100.0f;
GridToTINDecimator decimator = new GridToTINDecimator(dataStore);
decimator.SetDecimationExtents(DataStoreExtents(dataStore));
bool result = decimator.BuildMesh();
Assert.True(result && decimator.GetTIN().Triangles.Count == 0, $"Failed to fail to build mesh from data store with single point fault code {decimator.BuildMeshFaultCode}");
}
public void GridToTINDecimatorTests_BuildMesh_ExceedPointLimit()
{
DecimationElevationSubGridTree dataStore = new DecimationElevationSubGridTree();
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 100, SubGridTreeConsts.DefaultIndexOriginOffset + 100] = 100.0f;
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 101, SubGridTreeConsts.DefaultIndexOriginOffset + 101] = 100.0f;
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 101, SubGridTreeConsts.DefaultIndexOriginOffset + 100] = 100.0f;
GridToTINDecimator decimator = new GridToTINDecimator(dataStore);
decimator.PointLimit = 2;
decimator.SetDecimationExtents(DataStoreExtents(dataStore));
decimator.BuildMesh().Should().BeFalse();
decimator.BuildMeshFaultCode.Should().Be(DecimationResult.VerticesExceeded);
}
public void GridToTINDecimatorTests_BuildMesh_ThreePoints()
{
DecimationElevationSubGridTree dataStore = new DecimationElevationSubGridTree();
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 100, SubGridTreeConsts.DefaultIndexOriginOffset + 100] = 100.0f;
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 101, SubGridTreeConsts.DefaultIndexOriginOffset + 101] = 100.0f;
dataStore[SubGridTreeConsts.DefaultIndexOriginOffset + 101, SubGridTreeConsts.DefaultIndexOriginOffset + 100] = 100.0f;
GridToTINDecimator decimator = new GridToTINDecimator(dataStore);
decimator.SetDecimationExtents(DataStoreExtents(dataStore));
bool result = decimator.BuildMesh();
Assert.True(result, $"Failed to build mesh from data store with three points fault code {decimator.BuildMeshFaultCode}");
}
private BoundingWorldExtent3D DataStoreExtents(DecimationElevationSubGridTree dataStore)
{
BoundingWorldExtent3D ComputedGridExtent = BoundingWorldExtent3D.Inverted();
dataStore.ScanAllSubGrids(subGrid =>
{
SubGridUtilities.SubGridDimensionalIterator((x, y) =>
{
float elev = ((GenericLeafSubGrid <float>)subGrid).Items[x, y];
if (elev != 0)
{
ComputedGridExtent.Include((int)(subGrid.OriginX + x), (int)(subGrid.OriginY + y), elev);
}
else
{
((GenericLeafSubGrid <float>)subGrid).Items[x, y] = TRex.Common.Consts.NullHeight;
}
});
return(true);
});
if (ComputedGridExtent.IsValidPlanExtent)
{
ComputedGridExtent.Offset(-(int)SubGridTreeConsts.DefaultIndexOriginOffset, -(int)SubGridTreeConsts.DefaultIndexOriginOffset);
}
// Convert the grid rectangle to a world rectangle
BoundingWorldExtent3D ComputedWorldExtent = new BoundingWorldExtent3D
((ComputedGridExtent.MinX - 0.01) * dataStore.CellSize,
(ComputedGridExtent.MinY - 0.01) * dataStore.CellSize,
(ComputedGridExtent.MaxX + 1 + 0.01) * dataStore.CellSize,
(ComputedGridExtent.MaxY + 1 + 0.01) * dataStore.CellSize,
ComputedGridExtent.MinZ, ComputedGridExtent.MaxZ);
return(ComputedWorldExtent);
}
