public override MeshBase CreateMesh(GridderSource source)
{
HexahedronGridderSource src = (HexahedronGridderSource)source;
PositionBuffer positions = new HexahedronPositionBuffer();
HalfHexahedronIndexBuffer halfHexahedronIndices = new HalfHexahedronIndexBuffer();
int dimSize = src.DimenSize;
int I, J, K;
unsafe
{
positions.AllocMem(dimSize);
HexahedronPosition *cell = (HexahedronPosition *)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
src.InvertIJK(gridIndex, out I, out J, out K);
cell[gridIndex].FLT = src.Transform * src.PointFLT(I, J, K);
cell[gridIndex].FRT = src.Transform * src.PointFRT(I, J, K);
cell[gridIndex].BRT = src.Transform * src.PointBRT(I, J, K);
cell[gridIndex].BLT = src.Transform * src.PointBLT(I, J, K);
cell[gridIndex].FLB = src.Transform * src.PointFLB(I, J, K);
cell[gridIndex].FRB = src.Transform * src.PointFRB(I, J, K);
cell[gridIndex].BRB = src.Transform * src.PointBRB(I, J, K);
cell[gridIndex].BLB = src.Transform * src.PointBLB(I, J, K);
}
//网格个数*每个六面体的面数*描述每个六面体的三角形个数
int halfHexahedronIndexCount = dimSize * 2;
//int memorySizeInBytes = halfHexahedronIndexCount * sizeof(HalfHexahedronIndex);
//halfHexahedronIndices.AllocMem(memorySizeInBytes);
halfHexahedronIndices.AllocMem(halfHexahedronIndexCount);
HalfHexahedronIndex *array = (HalfHexahedronIndex *)halfHexahedronIndices.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
array[gridIndex * 2].dot0 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2].dot1 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2].dot2 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2].dot3 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2].dot4 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2].dot5 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2].dot6 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2].dot7 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2].restartIndex = uint.MaxValue;
array[gridIndex * 2 + 1].dot0 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2 + 1].dot1 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2 + 1].dot2 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2 + 1].dot3 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2 + 1].dot4 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2 + 1].dot5 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2 + 1].dot6 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2 + 1].dot7 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2 + 1].restartIndex = uint.MaxValue;
}
HexahedronMeshGeometry3D mesh = new HexahedronMeshGeometry3D(positions, halfHexahedronIndices);
mesh.Max = source.TransformedActiveBounds.Min;
mesh.Min = source.TransformedActiveBounds.Max;
return(mesh);
}
}
private void CreateCatesianGridVisual3D(object sender, EventArgs e)
{
try
{
int nx = System.Convert.ToInt32(tbNX.Text);
int ny = System.Convert.ToInt32(tbNY.Text);
int nz = System.Convert.ToInt32(tbNZ.Text);
float step = System.Convert.ToSingle(tbColorIndicatorStep.Text);
//float radius = System.Convert.ToSingle(this.tbRadius.Text);
float propMin = System.Convert.ToSingle(this.tbxPropertyMinValue.Text, CultureInfo.InvariantCulture);
float propMax = System.Convert.ToSingle(this.tbxPropertyMaxValue.Text, CultureInfo.InvariantCulture);
int dimenSize = nx * ny * nz;
float dx = System.Convert.ToSingle(this.tbDX.Text);
float dy = System.Convert.ToSingle(this.gbDY.Text);
float dz = System.Convert.ToSingle(this.tbDZ.Text);
float[] dxArray = initArray(dimenSize, dx);
float[] dyArray = initArray(dimenSize, dy);
float[] dzArray = initArray(dimenSize, dz);
// use CatesianGridderSource to fill HexahedronGridderElement's content.
DateTime t0 = DateTime.Now;
CatesianGridderSource source = new CatesianGridderSource()
{
NX = nx, NY = ny, NZ = nz, DX = dxArray, DY = dyArray, DZ = dzArray,
};
source.IBlocks = GridBlockHelper.CreateBlockCoords(nx);
source.JBlocks = GridBlockHelper.CreateBlockCoords(ny);
source.KBlocks = GridBlockHelper.CreateBlockCoords(nz);
source.Init();
DateTime t1 = DateTime.Now;
InitSlice(lbxNI, source.IBlocks);
InitSlice(lbxNJ, source.JBlocks);
InitSlice(lbxNZ, source.KBlocks);
InitPropertiesAndSelectDefault(dimenSize, propMin, propMax);
DateTime t2 = DateTime.Now;
///模拟获得网格属性
///获得当前选中的属性
float minValue = this.CurrentProperty.MinValue;
float maxValue = this.CurrentProperty.MaxValue;
step = (maxValue * 1.0f - minValue * 1.0f) / 10;
int[] gridIndexes = this.CurrentProperty.GridIndexes;
float[] gridValues = this.CurrentProperty.Values;
//设置色标的范围
this.sim3D.SetColorIndicator(minValue, maxValue, step);
// use HexahedronGridderElement
DateTime t3 = DateTime.Now;
HexahedronMeshGeometry3D geometry = (HexahedronMeshGeometry3D)source.CreateMesh();
DateTime t4 = DateTime.Now;
TexCoordBuffer textureCoodinates = source.CreateTextureCoordinates(gridIndexes, gridValues, minValue, maxValue);
DateTime t5 = DateTime.Now;
Bitmap texture = this.sim3D.uiColorIndicator.CreateTextureImage();
HexahedronGrid gridder = new HexahedronGrid(this.sim3D.OpenGL, this.sim3D.Scene.CurrentCamera);
gridder.Init(geometry);
gridder.RenderGrid = true;
gridder.RenderGridWireframe = this.IsShowWireframe;
gridder.SetTexture(texture);
gridder.SetTextureCoods(textureCoodinates);
texture.Dispose();
//textureCoodinates.Dump();
DateTime t6 = DateTime.Now;
//gridderElement.SetBoundingBox(mesh.Min, mesh.Max);
this.sim3D.Tag = source;
// update ModelContainer's BoundingBox.
BoundingBox boundingBox = this.sim3D.ModelContainer.BoundingBox;
boundingBox.SetBounds(geometry.Min, geometry.Max);
// update ViewType to UserView.
this.sim3D.ViewType = ViewTypes.UserView;
this.sim3D.AddModelElement(gridder);
StringBuilder msgBuilder = new StringBuilder();
msgBuilder.AppendLine(String.Format("Init Grid DataSource in {0} secs", (t1 - t0).TotalSeconds));
msgBuilder.AppendLine(String.Format("init ControlValues in {0} secs", (t2 - t1).TotalSeconds));
msgBuilder.AppendLine(String.Format("prepare other params in {0} secs", (t3 - t2).TotalSeconds));
msgBuilder.AppendLine(String.Format("CreateMesh in {0} secs", (t4 - t3).TotalSeconds));
msgBuilder.AppendLine(String.Format("CreateTextures in {0} secs", (t5 - t4).TotalSeconds));
msgBuilder.AppendLine(String.Format("Init SimLabGrid in {0} secs", (t6 - t5).TotalSeconds));
msgBuilder.AppendLine(String.Format("Total, Create 3D Grid in {0} secs", (t6 - t0).TotalSeconds));
String msg = msgBuilder.ToString();
MessageBox.Show(msg, "Summary", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception error)
{
MessageBox.Show(error.ToString());
}
}
public override MeshBase CreateMesh(GridderSource source)
{
HexahedronGridderSource src = (HexahedronGridderSource)source;
PositionBuffer positions = new HexahedronPositionBuffer();
HalfHexahedronIndexBuffer halfHexahedronIndices = new HalfHexahedronIndexBuffer();
int dimSize = src.DimenSize;
int I, J, K;
unsafe
{
positions.AllocMem(dimSize);
var cell = (HexahedronPosition*)positions.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
src.InvertIJK(gridIndex, out I, out J, out K);
cell[gridIndex].FLT = src.TranslateMatrix * src.PointFLT(I, J, K);
cell[gridIndex].FRT = src.TranslateMatrix * src.PointFRT(I, J, K);
cell[gridIndex].BRT = src.TranslateMatrix * src.PointBRT(I, J, K);
cell[gridIndex].BLT = src.TranslateMatrix * src.PointBLT(I, J, K);
cell[gridIndex].FLB = src.TranslateMatrix * src.PointFLB(I, J, K);
cell[gridIndex].FRB = src.TranslateMatrix * src.PointFRB(I, J, K);
cell[gridIndex].BRB = src.TranslateMatrix * src.PointBRB(I, J, K);
cell[gridIndex].BLB = src.TranslateMatrix * src.PointBLB(I, J, K);
}
//网格个数*每个六面体的面数*描述每个六面体的三角形个数
int halfHexahedronIndexCount = dimSize * 2;
//int memorySizeInBytes = halfHexahedronIndexCount * sizeof(HalfHexahedronIndex);
//halfHexahedronIndices.AllocMem(memorySizeInBytes);
halfHexahedronIndices.AllocMem(halfHexahedronIndexCount);
HalfHexahedronIndex* array = (HalfHexahedronIndex*)halfHexahedronIndices.Data;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
array[gridIndex * 2].dot0 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2].dot1 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2].dot2 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2].dot3 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2].dot4 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2].dot5 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2].dot6 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2].dot7 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2].restartIndex = uint.MaxValue;
array[gridIndex * 2 + 1].dot0 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2 + 1].dot1 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2 + 1].dot2 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2 + 1].dot3 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2 + 1].dot4 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2 + 1].dot5 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2 + 1].dot6 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2 + 1].dot7 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2 + 1].restartIndex = uint.MaxValue;
}
HexahedronMeshGeometry3D mesh = new HexahedronMeshGeometry3D(positions, halfHexahedronIndices);
mesh.Max = source.TransformedActiveBounds.Min;
mesh.Min = source.TransformedActiveBounds.Max;
return mesh;
}
}