private static void WriteDxfFile()
{
DxfDocument dxf = new DxfDocument();
//arc
Arc arc = new Arc(new Vector3(10, 10, 0), 10, 45, 135);
arc.Layer = new Layer("arc");
arc.Layer.Color.Index = 1;
dxf.AddEntity(arc);
//xData sample
XData xdata = new XData(new ApplicationRegistry("netDxf"));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata.XDataRecord.Add(XDataRecord.OpenControlString);
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Int32, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
//circle
Vector3 extrusion = new Vector3(1, 1, 1);
Vector3 centerWCS = new Vector3(1, 1, 1);
Vector3 centerOCS = MathHelper.Transform(centerWCS,
extrusion,
CoordinateSystem.World,
CoordinateSystem.Object);
Circle circle = new Circle(centerOCS, 5);
circle.Layer = new Layer("circle with spaces");
circle.Layer.Color=AciColor.Yellow;
circle.LineType = LineType.Dashed;
circle.Normal = extrusion;
circle.XData.Add(xdata);
circle.XData.Add(xdata2);
dxf.AddEntity(circle);
//points
Point point1 = new Point(new Vector3(-3, -3, 0));
point1.Layer = new Layer("point");
point1.Color = new AciColor(30);
Point point2 = new Point(new Vector3(1, 1, 1));
point2.Layer = point1.Layer;
point2.Layer.Color.Index = 9;
point2.Normal = new Vector3(1, 1, 1);
dxf.AddEntity(point1);
dxf.AddEntity(point2);
//3dface
Face3d face3D = new Face3d(new Vector3(-5, -5, 5),
new Vector3(5, -5, 5),
new Vector3(5, 5, 5),
new Vector3(-5, 5, 5));
face3D.Layer = new Layer("3dface");
face3D.Layer.Color.Index = 3;
dxf.AddEntity(face3D);
//polyline
LwPolylineVertex polyVertex;
List<LwPolylineVertex> polyVertexes = new List<LwPolylineVertex>();
polyVertex = new LwPolylineVertex(new Vector2(-50, -50));
polyVertex.StartWidth = 2;
polyVertexes.Add(polyVertex);
polyVertex = new LwPolylineVertex(new Vector2(50, -50));
polyVertex.StartWidth = 1;
polyVertexes.Add(polyVertex);
polyVertex = new LwPolylineVertex(new Vector2(50, 50));
polyVertex.Bulge = 1;
polyVertexes.Add(polyVertex);
polyVertex = new LwPolylineVertex(new Vector2(-50, 50));
polyVertexes.Add(polyVertex);
LwPolyline polyline2d = new LwPolyline(polyVertexes, true);
polyline2d.Layer = new Layer("polyline2d");
polyline2d.Layer.Color.Index = 5;
polyline2d.Normal = new Vector3(1, 1, 1);
polyline2d.Elevation = 100.0f;
dxf.AddEntity(polyline2d);
//lightweight polyline
LwPolylineVertex lwVertex;
List<LwPolylineVertex> lwVertexes = new List<LwPolylineVertex>();
lwVertex = new LwPolylineVertex(new Vector2(-25, -25));
lwVertex.StartWidth = 2;
lwVertexes.Add(lwVertex);
lwVertex = new LwPolylineVertex(new Vector2(25, -25));
lwVertex.StartWidth = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LwPolylineVertex(new Vector2(25, 25));
lwVertex.Bulge = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LwPolylineVertex(new Vector2(-25, 25));
lwVertexes.Add(lwVertex);
LwPolyline lwPolyline = new LwPolyline(lwVertexes, true);
lwPolyline.Layer = new Layer("lwpolyline");
lwPolyline.Layer.Color.Index = 5;
lwPolyline.Normal = new Vector3(1, 1, 1);
lwPolyline.Elevation = 100.0f;
dxf.AddEntity(lwPolyline);
// polyfaceMesh
List<PolyfaceMeshVertex> meshVertexes = new List<PolyfaceMeshVertex>
{
new PolyfaceMeshVertex(0, 0, 0),
new PolyfaceMeshVertex(10, 0, 0),
new PolyfaceMeshVertex(10, 10, 0),
new PolyfaceMeshVertex(5, 15, 0),
new PolyfaceMeshVertex(0, 10, 0)
};
List<PolyfaceMeshFace> faces = new List<PolyfaceMeshFace>
{
new PolyfaceMeshFace(new short[] {1, 2, -3}),
new PolyfaceMeshFace(new short[] {-1, 3, -4}),
new PolyfaceMeshFace(new short[] {-1, 4, 5})
};
PolyfaceMesh mesh = new PolyfaceMesh(meshVertexes, faces);
mesh.Layer = new Layer("polyfacemesh");
mesh.Layer.Color.Index = 104;
dxf.AddEntity(mesh);
//line
Line line = new Line(new Vector3(0, 0, 0), new Vector3(10, 10, 10));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
//3d polyline
PolylineVertex vertex;
List<PolylineVertex> vertexes = new List<PolylineVertex>();
vertex = new PolylineVertex(new Vector3(-50, -50, 0));
vertexes.Add(vertex);
vertex = new PolylineVertex(new Vector3(50, -50, 10));
vertexes.Add(vertex);
vertex = new PolylineVertex(new Vector3(50, 50, 25));
vertexes.Add(vertex);
vertex = new PolylineVertex(new Vector3(-50, 50, 50));
vertexes.Add(vertex);
Polyline polyline = new Polyline(vertexes, true);
polyline.Layer = new Layer("polyline3d");
polyline.Layer.Color.Index = 24;
dxf.AddEntity(polyline);
//block definition
Block block = new Block("TestBlock");
block.Entities.Add(new Line(new Vector3(-5, -5, 5), new Vector3(5, 5, 5)));
block.Entities.Add(new Line(new Vector3(5, -5, 5), new Vector3(-5, 5, 5)));
//insert
Insert insert = new Insert(block, new Vector3(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Layer.Color.Index = 4;
dxf.AddEntity(insert);
//text
TextStyle style=new TextStyle("True type font","Arial.ttf");
Text text = new Text("Hello world!", Vector3.Zero, 10.0f,style);
text.Layer = new Layer("text");
text.Layer.Color.Index = 8;
text.Alignment = TextAlignment.TopRight;
dxf.AddEntity(text);
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2010;
dxf.Save("AutoCad2010.dxf");
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2007;
dxf.Save("AutoCad2007.dxf");
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2004;
dxf.Save("AutoCad2004.dxf");
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2000;
dxf.Save("AutoCad2000.dxf");
dxf = DxfDocument.Load("AutoCad2000.dxf");
dxf.Save("AutoCad2000 result.dxf");
}
/// <summary>
/// Creates a new Face3d that is a copy of the current instance.
/// </summary>
/// <returns>A new Face3d that is a copy of this instance.</returns>
public override object Clone()
{
Face3d entity = new Face3d
{
//EntityObject properties
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Face3d properties
FirstVertex = this.firstVertex,
SecondVertex = this.secondVertex,
ThirdVertex = this.thirdVertex,
FourthVertex = this.fourthVertex,
EdgeFlags = this.edgeFlags
};
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
/// <summary>
/// Decompose the actual polyface mesh faces in <see cref="Point">points</see> (one vertex polyface mesh face),
/// <see cref="Line">lines</see> (two vertexes polyface mesh face) and <see cref="Face3d">3d faces</see> (three or four vertexes polyface mesh face).
/// </summary>
/// <returns>A list of <see cref="Face3d">3d faces</see> that made up the polyface mesh.</returns>
public List <EntityObject> Explode()
{
List <EntityObject> entities = new List <EntityObject>();
foreach (PolyfaceMeshFace face in this.Faces)
{
if (face.VertexIndexes.Count == 1)
{
Point point = new Point
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
Position = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Position,
};
entities.Add(point);
continue;
}
if (face.VertexIndexes.Count == 2)
{
Line line = new Line
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
StartPoint = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Position,
EndPoint = this.Vertexes[Math.Abs(face.VertexIndexes[1]) - 1].Position,
};
entities.Add(line);
continue;
}
Face3dEdgeFlags edgeVisibility = Face3dEdgeFlags.Visibles;
short indexV1 = face.VertexIndexes[0];
short indexV2 = face.VertexIndexes[1];
short indexV3 = face.VertexIndexes[2];
// Polyface mesh faces are made of 3 or 4 vertexes, we will repeat the third vertex if the number of face vertexes is three
int indexV4 = face.VertexIndexes.Count == 3 ? face.VertexIndexes[2] : face.VertexIndexes[3];
if (indexV1 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.First;
}
if (indexV2 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Second;
}
if (indexV3 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Third;
}
if (indexV4 < 0)
{
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Fourth;
}
Vector3 v1 = this.Vertexes[Math.Abs(indexV1) - 1].Position;
Vector3 v2 = this.Vertexes[Math.Abs(indexV2) - 1].Position;
Vector3 v3 = this.Vertexes[Math.Abs(indexV3) - 1].Position;
Vector3 v4 = this.Vertexes[Math.Abs(indexV4) - 1].Position;
Face3d face3d = new Face3d
{
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
FirstVertex = v1,
SecondVertex = v2,
ThirdVertex = v3,
FourthVertex = v4,
EdgeFlags = edgeVisibility,
};
entities.Add(face3d);
}
return(entities);
}
/// <summary>
/// Decompose the actual polyface mesh faces in <see cref="Point">points</see> (one vertex polyface mesh face),
/// <see cref="Line">lines</see> (two vertexes polyface mesh face) and <see cref="Face3d">3d faces</see> (three or four vertexes polyface mesh face).
/// </summary>
/// <returns>A list of <see cref="Face3d">3d faces</see> that made up the polyface mesh.</returns>
public List<EntityObject> Explode()
{
List<EntityObject> entities = new List<EntityObject>();
foreach (PolyfaceMeshFace face in this.Faces)
{
if (face.VertexIndexes.Count == 1)
{
Point point = new Point
{
Layer = (Layer) this.Layer.Clone(),
Linetype = (Linetype) this.Linetype.Clone(),
Color = (AciColor) this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency) this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
Position = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
};
entities.Add(point);
continue;
}
if (face.VertexIndexes.Count == 2)
{
Line line = new Line
{
Layer = (Layer) this.Layer.Clone(),
Linetype = (Linetype) this.Linetype.Clone(),
Color = (AciColor) this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency) this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
StartPoint = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
EndPoint = this.Vertexes[Math.Abs(face.VertexIndexes[1]) - 1].Location,
};
entities.Add(line);
continue;
}
Face3dEdgeFlags edgeVisibility = Face3dEdgeFlags.Visibles;
short indexV1 = face.VertexIndexes[0];
short indexV2 = face.VertexIndexes[1];
short indexV3 = face.VertexIndexes[2];
// Polyface mesh faces are made of 3 or 4 vertexes, we will repeat the third vertex if the number of face vertexes is three
int indexV4 = face.VertexIndexes.Count == 3 ? face.VertexIndexes[2] : face.VertexIndexes[3];
if (indexV1 < 0)
edgeVisibility = edgeVisibility | Face3dEdgeFlags.First;
if (indexV2 < 0)
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Second;
if (indexV3 < 0)
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Third;
if (indexV4 < 0)
edgeVisibility = edgeVisibility | Face3dEdgeFlags.Fourth;
Vector3 v1 = this.Vertexes[Math.Abs(indexV1) - 1].Location;
Vector3 v2 = this.Vertexes[Math.Abs(indexV2) - 1].Location;
Vector3 v3 = this.Vertexes[Math.Abs(indexV3) - 1].Location;
Vector3 v4 = this.Vertexes[Math.Abs(indexV4) - 1].Location;
Face3d face3d = new Face3d
{
Layer = (Layer) this.Layer.Clone(),
Linetype = (Linetype) this.Linetype.Clone(),
Color = (AciColor) this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency) this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
FirstVertex = v1,
SecondVertex = v2,
ThirdVertex = v3,
FourthVertex = v4,
EdgeFlags = edgeVisibility,
};
entities.Add(face3d);
}
return entities;
}
private Face3d ReadFace3D(ref CodeValuePair code)
{
var face = new Face3d();
Vector3d v0 = Vector3d.Zero;
Vector3d v1 = Vector3d.Zero;
Vector3d v2 = Vector3d.Zero;
Vector3d v3 = Vector3d.Zero;
Dictionary<ApplicationRegistry, XData> xData = new Dictionary<ApplicationRegistry, XData>();
code = this.ReadCodePair();
while (code.Code != 0)
{
switch (code.Code)
{
case 5:
face.Handle = code.Value;
code = this.ReadCodePair();
break;
case 8: //layer code
face.Layer = this.GetLayer(code.Value);
code = this.ReadCodePair();
break;
case 62: //aci color code
face.Color = new AciColor(short.Parse(code.Value));
code = this.ReadCodePair();
break;
case 6: //type line code
face.LineType = this.GetLineType(code.Value);
code = this.ReadCodePair();
break;
case 10:
v0.X = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 20:
v0.Y = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 30:
v0.Z = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 11:
v1.X = float.Parse(code.Value);
code = this.ReadCodePair();
break;
case 21:
v1.Y = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 31:
v1.Z = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 12:
v2.X = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 22:
v2.Y = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 32:
v2.Z = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 13:
v3.X = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 23:
v3.Y = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 33:
v3.Z = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 70:
face.EdgeFlags = (EdgeFlags) (int.Parse(code.Value));
code = this.ReadCodePair();
break;
case 1001:
XData xDataItem = this.ReadXDataRecord(code.Value, ref code);
xData.Add(xDataItem.ApplicationRegistry, xDataItem);
break;
default:
if (code.Code >= 1000 && code.Code <= 1071)
throw new DxfInvalidCodeValueEntityException(code.Code, code.Value, this.file,
"The extended data of an entity must start with the application registry code " + this.fileLine);
code = this.ReadCodePair();
break;
}
}
face.FirstVertex = v0;
face.SecondVertex = v1;
face.ThirdVertex = v2;
face.FourthVertex = v3;
face.XData = xData;
return face;
}
private void WriteFace3D(Face3d face)
{
this.chunk.Write(100, SubclassMarker.Face3d);
this.chunk.Write(10, face.FirstVertex.X);
this.chunk.Write(20, face.FirstVertex.Y);
this.chunk.Write(30, face.FirstVertex.Z);
this.chunk.Write(11, face.SecondVertex.X);
this.chunk.Write(21, face.SecondVertex.Y);
this.chunk.Write(31, face.SecondVertex.Z);
this.chunk.Write(12, face.ThirdVertex.X);
this.chunk.Write(22, face.ThirdVertex.Y);
this.chunk.Write(32, face.ThirdVertex.Z);
this.chunk.Write(13, face.FourthVertex.X);
this.chunk.Write(23, face.FourthVertex.Y);
this.chunk.Write(33, face.FourthVertex.Z);
this.chunk.Write(70, (short) face.EdgeFlags);
this.WriteXData(face.XData);
}
/// <summary>
/// Decompose the actual polyface mesh faces in <see cref="Point">points</see> (one vertex polyface mesh face),
/// <see cref="Line">lines</see> (two vertexes polyface mesh face) and <see cref="Face3d">3d faces</see> (three or four vertexes polyface mesh face).
/// </summary>
/// <returns>A list of <see cref="Face3d">3d faces</see> that made up the polyface mesh.</returns>
public List <EntityObject> Explode()
{
List <EntityObject> entities = new List <EntityObject>();
foreach (PolyfaceMeshFace face in this.Faces)
{
if (face.VertexIndexes.Length == 1)
{
Point point = new Point
{
Location = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
Color = this.Color,
IsVisible = this.IsVisible,
Layer = this.Layer,
LineType = this.LineType,
LineTypeScale = this.LineTypeScale,
Lineweight = this.Lineweight,
XData = this.XData
};
entities.Add(point);
continue;
}
if (face.VertexIndexes.Length == 2)
{
Line line = new Line
{
StartPoint = this.Vertexes[Math.Abs(face.VertexIndexes[0]) - 1].Location,
EndPoint = this.Vertexes[Math.Abs(face.VertexIndexes[1]) - 1].Location,
Color = this.Color,
IsVisible = this.IsVisible,
Layer = this.Layer,
LineType = this.LineType,
LineTypeScale = this.LineTypeScale,
Lineweight = this.Lineweight,
XData = this.XData
};
entities.Add(line);
continue;
}
EdgeFlags edgeVisibility = EdgeFlags.Visibles;
int indexV1 = face.VertexIndexes[0];
int indexV2 = face.VertexIndexes[1];
int indexV3 = face.VertexIndexes[2];
// Polyface mesh faces are made of 3 or 4 vertexes, we will repeat the third vertex if the face vertexes is three
int indexV4 = face.VertexIndexes.Length == 3 ? face.VertexIndexes[2] : face.VertexIndexes[3];
if (indexV1 < 0)
{
edgeVisibility = edgeVisibility | EdgeFlags.First;
}
if (indexV2 < 0)
{
edgeVisibility = edgeVisibility | EdgeFlags.Second;
}
if (indexV3 < 0)
{
edgeVisibility = edgeVisibility | EdgeFlags.Third;
}
if (indexV4 < 0)
{
edgeVisibility = edgeVisibility | EdgeFlags.Fourth;
}
Vector3 v1 = this.Vertexes[Math.Abs(indexV1) - 1].Location;
Vector3 v2 = this.Vertexes[Math.Abs(indexV2) - 1].Location;
Vector3 v3 = this.Vertexes[Math.Abs(indexV3) - 1].Location;
Vector3 v4 = this.Vertexes[Math.Abs(indexV4) - 1].Location;
Face3d face3d = new Face3d
{
FirstVertex = v1,
SecondVertex = v2,
ThirdVertex = v3,
FourthVertex = v4,
EdgeFlags = edgeVisibility,
Color = this.Color,
IsVisible = this.IsVisible,
Layer = this.Layer,
LineType = this.LineType,
LineTypeScale = this.LineTypeScale,
Lineweight = this.Lineweight,
XData = this.XData
};
entities.Add(face3d);
}
return(entities);
}
private void WriteFace3D(Face3d face)
{
if (this.activeSection != StringCode.EntitiesSection && !this.isBlockEntities)
{
throw new InvalidDxfSectionException(this.activeSection, this.file);
}
this.WriteCodePair(0, face.CodeName);
this.WriteCodePair(5, face.Handle);
this.WriteCodePair(100, SubclassMarker.Entity);
this.WriteEntityCommonCodes(face);
this.WriteCodePair(100, SubclassMarker.Face3d);
this.WriteCodePair(10, face.FirstVertex.X);
this.WriteCodePair(20, face.FirstVertex.Y);
this.WriteCodePair(30, face.FirstVertex.Z);
this.WriteCodePair(11, face.SecondVertex.X);
this.WriteCodePair(21, face.SecondVertex.Y);
this.WriteCodePair(31, face.SecondVertex.Z);
this.WriteCodePair(12, face.ThirdVertex.X);
this.WriteCodePair(22, face.ThirdVertex.Y);
this.WriteCodePair(32, face.ThirdVertex.Z);
this.WriteCodePair(13, face.FourthVertex.X);
this.WriteCodePair(23, face.FourthVertex.Y);
this.WriteCodePair(33, face.FourthVertex.Z);
this.WriteCodePair(70, Convert.ToInt32(face.EdgeFlags));
this.WriteXData(face.XData);
}
/// <summary>
/// Creates a new Face3d that is a copy of the current instance.
/// </summary>
/// <returns>A new Face3d that is a copy of this instance.</returns>
public override object Clone()
{
Face3d entity = new Face3d
{
//EntityObject properties
Layer = (Layer)this.layer.Clone(),
LineType = (LineType)this.lineType.Clone(),
Color = (AciColor)this.color.Clone(),
Lineweight = (Lineweight)this.lineweight.Clone(),
Transparency = (Transparency)this.transparency.Clone(),
LineTypeScale = this.lineTypeScale,
Normal = this.normal,
//Face3d properties
FirstVertex = this.firstVertex,
SecondVertex = this.secondVertex,
ThirdVertex = this.thirdVertex,
FourthVertex = this.fourthVertex,
EdgeFlags = this.edgeFlags
};
foreach (XData data in this.XData.Values)
entity.XData.Add((XData)data.Clone());
return entity;
}
private Face3d ReadFace3d()
{
Vector3 v0 = Vector3.Zero;
Vector3 v1 = Vector3.Zero;
Vector3 v2 = Vector3.Zero;
Vector3 v3 = Vector3.Zero;
Face3dEdgeFlags flags = Face3dEdgeFlags.Visibles;
List<XData> xData = new List<XData>();
this.chunk.Next();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 10:
v0.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 20:
v0.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 30:
v0.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 11:
v1.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 21:
v1.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 31:
v1.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 12:
v2.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 22:
v2.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 32:
v2.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 13:
v3.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 23:
v3.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 33:
v3.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 70:
flags = (Face3dEdgeFlags) this.chunk.ReadShort();
this.chunk.Next();
break;
case 1001:
string appId = this.DecodeEncodedNonAsciiCharacters(this.chunk.ReadString());
XData data = this.ReadXDataRecord(this.GetApplicationRegistry(appId));
xData.Add(data);
break;
default:
if (this.chunk.Code >= 1000 && this.chunk.Code <= 1071)
throw new Exception("The extended data of an entity must start with the application registry code.");
this.chunk.Next();
break;
}
}
Face3d entity = new Face3d
{
FirstVertex = v0,
SecondVertex = v1,
ThirdVertex = v2,
FourthVertex = v3,
EdgeFlags = flags
};
entity.XData.AddRange(xData);
return entity;
}
private static void Face3d()
{
DxfDocument dxf = new DxfDocument();
Face3d face3d = new Face3d();
face3d.FirstVertex = new Vector3(0, 0, 0);
face3d.SecondVertex = new Vector3(1, 0, 0);
face3d.ThirdVertex = new Vector3(1, 1, 0);
face3d.FourthVertex = new Vector3(0, 1, 0);
dxf.AddEntity(face3d);
dxf.Save("face.dxf");
dxf = DxfDocument.Load("face.dxf");
dxf.Save("face return.dxf");
}
private static void WriteDxfFile()
{
DxfDocument dxf = new DxfDocument();
//arc
Arc arc = new Arc(new Vector3d(10, 10, 0), 10, 45, 135);
arc.Layer = new Layer("arc");
arc.Layer.Color.Index = 1;
dxf.AddEntity(arc);
//xData sample
XData xdata = new XData(new ApplicationRegistry("netDxf"));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata.XDataRecord.Add(XDataRecord.OpenControlString);
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Long, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
//circle
Vector3d extrusion = new Vector3d(1, 1, 1);
Vector3d centerWCS = new Vector3d(1, 1, 1);
Vector3d centerOCS = MathHelper.Transform(centerWCS,
extrusion,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Circle circle = new Circle(centerOCS, 5);
circle.Layer = new Layer("circle with spaces");
circle.Layer.Color=AciColor.Yellow;
circle.LineType = LineType.Dashed;
circle.Normal = extrusion;
circle.XData=new Dictionary<ApplicationRegistry, XData>
{
{xdata.ApplicationRegistry, xdata},
{xdata2.ApplicationRegistry, xdata2}
};
dxf.AddEntity(circle);
//points
Point point1 = new Point(new Vector3d(-3, -3, 0));
point1.Layer = new Layer("point");
point1.Color = new AciColor(30);
Point point2 = new Point(new Vector3d(1, 1, 1));
point2.Layer = point1.Layer;
point2.Layer.Color.Index = 9;
point2.Normal = new Vector3d(1, 1, 1);
dxf.AddEntity(point1);
dxf.AddEntity(point2);
//3dface
Face3d face3D = new Face3d(new Vector3d(-5, -5, 5),
new Vector3d(5, -5, 5),
new Vector3d(5, 5, 5),
new Vector3d(-5, 5, 5));
face3D.Layer = new Layer("3dface");
face3D.Layer.Color.Index = 3;
dxf.AddEntity(face3D);
//polyline
PolylineVertex polyVertex;
List<PolylineVertex> polyVertexes = new List<PolylineVertex>();
polyVertex = new PolylineVertex(new Vector2d(-50, -50));
polyVertex.BeginThickness = 2;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2d(50, -50));
polyVertex.BeginThickness = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2d(50, 50));
polyVertex.Bulge = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2d(-50, 50));
polyVertexes.Add(polyVertex);
Polyline polyline2d = new Polyline(polyVertexes, true);
polyline2d.Layer = new Layer("polyline2d");
polyline2d.Layer.Color.Index = 5;
polyline2d.Normal = new Vector3d(1, 1, 1);
polyline2d.Elevation = 100.0;
dxf.AddEntity(polyline2d);
//lightweight polyline
LightWeightPolylineVertex lwVertex;
List<LightWeightPolylineVertex> lwVertexes = new List<LightWeightPolylineVertex>();
lwVertex = new LightWeightPolylineVertex(new Vector2d(-25, -25));
lwVertex.BeginThickness = 2;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2d(25, -25));
lwVertex.BeginThickness = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2d(25, 25));
lwVertex.Bulge = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2d(-25, 25));
lwVertexes.Add(lwVertex);
LightWeightPolyline lwPolyline = new LightWeightPolyline(lwVertexes, true);
lwPolyline.Layer = new Layer("lwpolyline");
lwPolyline.Layer.Color.Index = 5;
lwPolyline.Normal = new Vector3d(1, 1, 1);
lwPolyline.Elevation = 100.0;
dxf.AddEntity(lwPolyline);
//line
Line line = new Line(new Vector3d(0, 0, 0), new Vector3d(10, 10, 10));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
//3d polyline
Polyline3dVertex vertex;
List<Polyline3dVertex> vertexes = new List<Polyline3dVertex>();
vertex = new Polyline3dVertex(new Vector3d(-50, -50, 0));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3d(50, -50, 10));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3d(50, 50, 25));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3d(-50, 50, 50));
vertexes.Add(vertex);
Polyline3d polyline = new Polyline3d(vertexes, true);
polyline.Layer = new Layer("polyline3d");
polyline.Layer.Color.Index = 24;
dxf.AddEntity(polyline);
//block definition
Block block = new Block("TestBlock");
block.Entities.Add(new Line(new Vector3d(-5, -5, 5), new Vector3d(5, 5, 5)));
block.Entities.Add(new Line(new Vector3d(5, -5, 5), new Vector3d(-5, 5, 5)));
//insert
Insert insert = new Insert(block, new Vector3d(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Layer.Color.Index = 4;
dxf.AddEntity(insert);
//text
TextStyle style=new TextStyle("True type font","Arial.ttf");
Text text = new Text("Hello world!", Vector3d.Zero, 10.0f,style);
text.Layer = new Layer("text");
text.Layer.Color.Index = 8;
text.Alignment = TextAlignment.TopRight;
dxf.AddEntity(text);
dxf.Save("AutoCad2007.dxf", DxfVersion.AutoCad2007);
dxf.Save("AutoCad2004.dxf", DxfVersion.AutoCad2004);
dxf.Save("AutoCad2000.dxf", DxfVersion.AutoCad2000);
dxf.Save("AutoCad12.dxf", DxfVersion.AutoCad12);
}