public override object Clone()
{
STL aSTL = new STL()
{
Name = this.Name, Visible = this.Visible, CoordinateSystem = this.CoordinateSystem, Color = this._color
};
Entity[] entities = this.Entities.Values.ToArray();
for (int i = 0; i < entities.Length; i++)
{
aSTL.AddEntity(entities[i].Clone() as Entity);
}
return(aSTL);
}
public static STL ReadSTL_ASCII(String fileName, Predicate<Triangle> TriangleFilter = null)
{
System.IO.StreamReader stream = new System.IO.StreamReader(fileName, Encoding.Default);
string strLine;
string[] strArray;
List<String> strList;
STL newSTL;
//aSTL.Name = myFile.ReadLine();
try
{
STL aSTL = new STL() { Color = System.Drawing.Color.Gray };
while (stream.Peek() != -1)
{
Triangle aTriangle = new Triangle() { Color = System.Drawing.Color.Transparent };
//1 法向量
strLine = stream.ReadLine();
strArray = strLine.Split(' ');
strList = new List<string>();
foreach (var item in strArray)
{
if (item != "")
strList.Add(item);
}
if (strList[0].ToLower() == "facet")
{
PointD N = new PointD()
{
X = Convert.ToDouble(strList[2]),
Y = Convert.ToDouble(strList[3]),
Z = Convert.ToDouble(strList[4])
};
aTriangle.N1 = N;
//捨棄
stream.ReadLine();
//點
strLine = stream.ReadLine();
strArray = strLine.Split(' ');
strList = new List<string>();
foreach (var item in strArray)
{
if (item != "")
strList.Add(item);
}
aTriangle.P1 = new PointD()
{
X = Convert.ToDouble(strList[1]),
Y = Convert.ToDouble(strList[2]),
Z = Convert.ToDouble(strList[3])
};
//點
strLine = stream.ReadLine();
strArray = strLine.Split(' ');
strList = new List<string>();
foreach (var item in strArray)
{
if (item != "")
strList.Add(item);
}
aTriangle.P2 = new PointD()
{
X = Convert.ToDouble(strList[1]),
Y = Convert.ToDouble(strList[2]),
Z = Convert.ToDouble(strList[3])
};
//點
strLine = stream.ReadLine();
strArray = strLine.Split(' ');
strList = new List<string>();
foreach (var item in strArray)
{
if (item != "")
strList.Add(item);
}
aTriangle.P3 = new PointD()
{
X = Convert.ToDouble(strList[1]),
Y = Convert.ToDouble(strList[2]),
Z = Convert.ToDouble(strList[3])
};
//捨棄
stream.ReadLine();
//捨棄
stream.ReadLine();
if (TriangleFilter != null)
{
if (TriangleFilter(aTriangle))
aSTL.AddEntity(aTriangle);
}
else
{
aSTL.AddEntity(aTriangle);
}
}
}
newSTL = aSTL;
}
catch
{
newSTL = null;
}
stream.Dispose();
stream.Close();
if (newSTL.Entities.Count == 0)
newSTL = null;
return newSTL;
}
public override object Clone()
{
STL aSTL = new STL() { Name = this.Name, Visible = this.Visible, CoordinateSystem = this.CoordinateSystem, Color = this._color};
Entity[] entities = this.Entities.Values.ToArray();
for (int i = 0; i < entities.Length; i++)
aSTL.AddEntity(entities[i].Clone() as Entity);
return aSTL;
}
public static STL ReadSTL_Binary(String fileName, Predicate<Triangle> TriangleFilter = null)
{
BinaryReader reader = new BinaryReader(File.Open(fileName, FileMode.Open), Encoding.ASCII);
STL aSTL = new STL() { Color = System.Drawing.Color.Gray };
try
{
//Read Header
String header = new String(reader.ReadChars(80));
//Read Triangle Number
uint TriangleNumber = reader.ReadUInt32();
//Read Triangle
while (true)
{
Triangle aTriangle = new Triangle() { Color = System.Drawing.Color.Transparent };
double[] Normal = new double[3];
for (int i = 0; i < 3; i++)
{
Tuple<bool, float> tryReadResult = reader.TryReadSingle();
if (tryReadResult.Item1 == true)
Normal[i] = tryReadResult.Item2;
else
{
reader.Close();
return aSTL;
}
}
double[] vertex1 = new double[3];
for (int i = 0; i < 3; i++)
{
Tuple<bool, float> tryReadResult = reader.TryReadSingle();
if (tryReadResult.Item1 == true)
vertex1[i] = tryReadResult.Item2;
else
{
reader.Close();
return aSTL;
}
}
double[] vertex2 = new double[3];
for (int i = 0; i < 3; i++)
{
Tuple<bool, float> tryReadResult = reader.TryReadSingle();
if (tryReadResult.Item1 == true)
vertex2[i] = tryReadResult.Item2;
else
{
reader.Close();
return aSTL;
}
}
double[] vertex3 = new double[3];
for (int i = 0; i < 3; i++)
{
Tuple<bool, float> tryReadResult = reader.TryReadSingle();
if (tryReadResult.Item1 == true)
vertex3[i] = tryReadResult.Item2;
else
{
reader.Close();
return aSTL;
}
}
Tuple<bool, UInt16> attributeByteCount = reader.TryReadUInt16();
if (attributeByteCount.Item1 == false)
{
reader.Close();
return aSTL;
}
aTriangle.N1 = new Vector(Normal);
aTriangle.P1 = new PointD(vertex1);
aTriangle.P2 = new PointD(vertex2);
aTriangle.P3 = new PointD(vertex3);
if (TriangleFilter != null)
{
if (TriangleFilter(aTriangle))
aSTL.AddEntity(aTriangle);
}
else
{
aSTL.AddEntity(aTriangle);
}
}
}
catch (Exception)
{
aSTL = null;
}
if (aSTL.Entities.Count == 0)
aSTL = null;
return aSTL;
}
