/// <summary>
/// 給定STL，量測點及量測方向
/// 計算 從量測點出發、延量測方向距離最近 的位置
/// 若與STL所有三角面都無相交則回傳 null
/// </summary>
/// <param name="aSTL">STL</param>
/// <param name="P">量測點</param>
/// <param name="N">量測方向</param>
/// <returns>最近點</returns>
public override void StartMeasure()
{
if (this.IsBusy == false)
{
//設定狀態
this.FinishedThreadNumber = 0;
this.IsBusy = true;
this.StartTime = DateTime.Now;
//劃分執行緒工作區域
List<int> sliceIndex = new List<int>();
for (int i = 0; i <= this.ThreadNumber; i++)
{
sliceIndex.Add((int)((double)i * (double)MeasurePoints.Count / (double)this.ThreadNumber));
}
//建立量測物件並指定量測範圍
STLMeasurent_Objects = new List<STLMeasuringTool>();
for (int i = 0; i < sliceIndex.Count - 1; i++)
{
PointD[] PartoalPoints = new PointD[sliceIndex[i + 1] - sliceIndex[i]];
for (int j = 0; j < sliceIndex[i + 1] - sliceIndex[i]; j++)
PartoalPoints[j] = this.MeasurePoints[j + sliceIndex[i]];
STLMeasuringTool aSTLMeasurementObject = (STLMeasuringTool)Activator.CreateInstance(this.STLMeasurentReferenceObject.GetType());
aSTLMeasurementObject.STL2Measure = this.STL2Measure;
aSTLMeasurementObject.MeasurePoints = PartoalPoints.ToList();
aSTLMeasurementObject.PercentageChanged += this.OnThreadPercentageChanged;
aSTLMeasurementObject.OnFinish += this.OnThreadFinished;
if (aSTLMeasurementObject is ISTLMeasurement_NeedNormals && this.MeasurePointNormals != null)
{
Vector[] PartoalNormals = new Vector[sliceIndex[i + 1] - sliceIndex[i]];
for (int j = 0; j < sliceIndex[i + 1] - sliceIndex[i]; j++)
PartoalNormals[j] = this.MeasurePointNormals[j + sliceIndex[i]];
(aSTLMeasurementObject as ISTLMeasurement_NeedNormals).MeasurePointNormals = PartoalNormals.ToList();
}
STLMeasurent_Objects.Add(aSTLMeasurementObject);
}
foreach (var aThreadObject in STLMeasurent_Objects)
{
aThreadObject.PercentageChanged += OnThreadPercentageChanged;
aThreadObject.StartMeasure();
}
}
}
protected override void Solve()
{
//提取所有拓樸點
PointD[] allTopoPoints = new PointD[this.TopoFace1.Points.Length + this.TopoFace2.Points.Length];
Vector[] allTopoPointNormals = new Vector[this.TopoFace1.Normals.Length + this.TopoFace2.Normals.Length];
int index;
index = 0;
foreach (var item in this.TopoFace1.Points)
{
allTopoPoints[index] = item;
index++;
}
foreach (var item in this.TopoFace2.Points)
{
allTopoPoints[index] = item;
index++;
}
index = 0;
foreach (var item in this.TopoFace1.Normals)
{
allTopoPointNormals[index] = item;
index++;
}
foreach (var item in this.TopoFace2.Normals)
{
allTopoPointNormals[index] = item;
index++;
}
//劃分計算範圍
List<int> sliceIndex = new List<int>();
for (int i = 0; i < this.ThreadNumber + 1; i++)
sliceIndex.Add((int)(((double)i * (double)allTopoPoints.Length) / (double)this.ThreadNumber));
//建立獨立執行序物件
for (int i = 0; i < this.ThreadNumber; i++)
{
//取出計算範圍內的點
PointD[] PartoalPoints = new PointD[sliceIndex[i + 1] - sliceIndex[i]];
for (int j = 0; j < sliceIndex[i + 1] - sliceIndex[i]; j++)
PartoalPoints[j] = allTopoPoints[j + sliceIndex[i]];
Vector[] PartoalNormals = new Vector[sliceIndex[i + 1] - sliceIndex[i]];
for (int j = 0; j < sliceIndex[i + 1] - sliceIndex[i]; j++)
PartoalNormals[j] = allTopoPointNormals[j + sliceIndex[i]];
//建立物件
STLMeasuringTool_CMM aSTLMeasuringTool_CMM = new STLMeasuringTool_CMM()
{
STL2Measure = this.STL2Measure,
STLCubicClassifier = this.STLCubicClassifier,
MeasurePoints = PartoalPoints.ToList(),
MeasurePointNormals = PartoalNormals.ToList(),
};
aSTLMeasuringTool_CMM.PercentageChanged += this.OnThreadPercentageChanged;
aSTLMeasuringTool_CMM.OnFinish += this.OnThreadFinished;
STLMeasurent_Objects.Add(aSTLMeasuringTool_CMM);
}
this.StartTime = DateTime.Now;
foreach (var aThreadObject in STLMeasurent_Objects)
{
aThreadObject.PercentageChanged += OnThreadPercentageChanged;
aThreadObject.StartMeasure();
}
}
