private void WriteSolid(Solid solid)
{
this.chunk.Write(100, SubclassMarker.Solid);
// the vertexes are stored in OCS
this.chunk.Write(10, solid.FirstVertex.X);
this.chunk.Write(20, solid.FirstVertex.Y);
this.chunk.Write(30, solid.Elevation);
this.chunk.Write(11, solid.SecondVertex.X);
this.chunk.Write(21, solid.SecondVertex.Y);
this.chunk.Write(31, solid.Elevation);
this.chunk.Write(12, solid.ThirdVertex.X);
this.chunk.Write(22, solid.ThirdVertex.Y);
this.chunk.Write(32, solid.Elevation);
this.chunk.Write(13, solid.FourthVertex.X);
this.chunk.Write(23, solid.FourthVertex.Y);
this.chunk.Write(33, solid.Elevation);
this.chunk.Write(39, solid.Thickness);
this.chunk.Write(210, solid.Normal.X);
this.chunk.Write(220, solid.Normal.Y);
this.chunk.Write(230, solid.Normal.Z);
this.WriteXData(solid.XData);
}
private Solid ReadSolid(ref CodeValuePair code)
{
var solid = new Solid();
Vector3d v0 = Vector3d.Zero;
Vector3d v1 = Vector3d.Zero;
Vector3d v2 = Vector3d.Zero;
Vector3d v3 = Vector3d.Zero;
Vector3d normal = Vector3d.UnitZ;
Dictionary<ApplicationRegistry, XData> xData = new Dictionary<ApplicationRegistry, XData>();
code = this.ReadCodePair();
while (code.Code != 0)
{
switch (code.Code)
{
case 5:
solid.Handle = code.Value;
code = this.ReadCodePair();
break;
case 8: //layer code
solid.Layer = this.GetLayer(code.Value);
code = this.ReadCodePair();
break;
case 62: //aci color code
solid.Color = new AciColor(short.Parse(code.Value));
code = this.ReadCodePair();
break;
case 6: //type line code
solid.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 = double.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:
solid.Thickness = float.Parse(code.Value);
code = this.ReadCodePair();
break;
case 210:
normal.X = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 220:
normal.Y = double.Parse(code.Value);
code = this.ReadCodePair();
break;
case 230:
normal.Z = double.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;
}
}
solid.FirstVertex = v0;
solid.SecondVertex = v1;
solid.ThirdVertex = v2;
solid.FourthVertex = v3;
solid.Normal = normal;
solid.XData = xData;
return solid;
}
private static EntityObject EndArrowHead(Vector2 position, double rotation, DimensionStyle style)
{
Block block = style.DimArrow2;
if (block == null)
{
Vector2 arrowRef = Vector2.Polar(position, -style.ArrowSize*style.DimScaleOverall, rotation);
Solid arrow = new Solid(position,
Vector2.Polar(arrowRef, -(style.ArrowSize/6)*style.DimScaleOverall, rotation + MathHelper.HalfPI),
Vector2.Polar(arrowRef, (style.ArrowSize/6)*style.DimScaleOverall, rotation + MathHelper.HalfPI))
{
Color = style.DimLineColor
};
return arrow;
}
else
{
Insert arrow = new Insert(block, position)
{
Color = style.DimLineColor,
Scale = new Vector3(style.ArrowSize*style.DimScaleOverall),
Rotation = rotation*MathHelper.RadToDeg,
Lineweight = style.DimLineLineweight
};
return arrow;
}
}
private void WriteSolid(Solid solid)
{
if (this.activeSection != StringCode.EntitiesSection && !this.isBlockEntities)
{
throw new InvalidDxfSectionException(this.activeSection, this.file);
}
this.WriteCodePair(0, solid.CodeName);
this.WriteCodePair(5, solid.Handle);
this.WriteCodePair(100, SubclassMarker.Entity);
this.WriteEntityCommonCodes(solid);
this.WriteCodePair(100, SubclassMarker.Solid);
this.WriteCodePair(10, solid.FirstVertex.X);
this.WriteCodePair(20, solid.FirstVertex.Y);
this.WriteCodePair(30, solid.FirstVertex.Z);
this.WriteCodePair(11, solid.SecondVertex.X);
this.WriteCodePair(21, solid.SecondVertex.Y);
this.WriteCodePair(31, solid.SecondVertex.Z);
this.WriteCodePair(12, solid.ThirdVertex.X);
this.WriteCodePair(22, solid.ThirdVertex.Y);
this.WriteCodePair(32, solid.ThirdVertex.Z);
this.WriteCodePair(13, solid.FourthVertex.X);
this.WriteCodePair(23, solid.FourthVertex.Y);
this.WriteCodePair(33, solid.FourthVertex.Z);
this.WriteCodePair(39, solid.Thickness);
this.WriteCodePair(210, solid.Normal.X);
this.WriteCodePair(220, solid.Normal.Y);
this.WriteCodePair(230, solid.Normal.Z);
this.WriteXData(solid.XData);
}
private static EntityObject EndArrowHead(Vector2 position, double rotation, DimensionStyle style)
{
Block block = style.DIMSAH ? style.DIMBLK2 : style.DIMBLK;
if (block == null)
{
Vector2 arrowRef = Vector2.Polar(position, -style.DIMASZ*style.DIMSCALE, rotation);
Solid arrow = new Solid(position,
Vector2.Polar(arrowRef, -(style.DIMASZ/6)*style.DIMSCALE, rotation + MathHelper.HalfPI),
Vector2.Polar(arrowRef, (style.DIMASZ/6)*style.DIMSCALE, rotation + MathHelper.HalfPI))
{
Color = style.DIMCLRD
};
return arrow;
}
else
{
Insert arrow = new Insert(block, position)
{
Color = style.DIMCLRD,
Scale = new Vector3(style.DIMASZ*style.DIMSCALE),
Rotation = rotation*MathHelper.RadToDeg
};
return arrow;
}
}
private Solid ReadSolid()
{
Vector3 v0 = Vector3.Zero;
Vector3 v1 = Vector3.Zero;
Vector3 v2 = Vector3.Zero;
Vector3 v3 = Vector3.Zero;
double thickness = 0.0;
Vector3 normal = Vector3.UnitZ;
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:
thickness = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 210:
normal.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 220:
normal.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 230:
normal.Z = this.chunk.ReadDouble();
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;
}
}
Solid entity = new Solid
{
FirstVertex = new Vector2(v0.X, v0.Y),
SecondVertex = new Vector2(v1.X, v1.Y),
ThirdVertex = new Vector2(v2.X, v2.Y),
FourthVertex = new Vector2(v3.X, v3.Y),
Elevation = v0.Z,
Thickness = thickness,
Normal = normal
};
entity.XData.AddRange(xData);
return entity;
}
/// <summary>
/// Gets the the block that contains the entities that make up the dimension picture.
/// </summary>
/// <param name="name">Name to be asigned to the generated block.</param>
/// <returns>The block that represents the actual dimension.</returns>
internal override Block BuildBlock(string name)
{
// we will build the dimension block in object coordinates with normal the dimension normal
Vector3 refPoint = MathHelper.Transform(this.startFirstLine, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 refStartFirst = new Vector2(refPoint.X, refPoint.Y);
double elev = refPoint.Z;
refPoint = MathHelper.Transform(this.endFirstLine, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 refEndFirst = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(this.startSecondLine, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 refStartSecond = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(this.endSecondLine, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 refEndSecond = new Vector2(refPoint.X, refPoint.Y);
double startAngle = Vector2.Angle(refStartFirst, refEndFirst);
double endAngle = Vector2.Angle(refStartSecond, refEndSecond);
Vector2 centerRef;
MathHelper.FindIntersection(refStartFirst, refEndFirst - refStartFirst, refStartSecond, refEndSecond - refStartSecond, out centerRef);
// reference points
Layer defPoints = new Layer("Defpoints")
{
Plot = false
};
Point startFirstPoint = new Point(refStartFirst)
{
Layer = defPoints
};
Point endFirstPoint = new Point(refEndFirst)
{
Layer = defPoints
};
Point startSecondPoint = new Point(refStartSecond)
{
Layer = defPoints
};
Point endSecondPoint = new Point(refEndSecond)
{
Layer = defPoints
};
// dimension lines
Vector2 startArc = Vector2.Polar(centerRef, this.offset, startAngle);
Line startBorder = new Line(Vector2.Polar(refEndFirst, this.style.DIMEXO, startAngle),
Vector2.Polar(startArc, this.style.DIMEXE, startAngle));
Vector2 endArc = Vector2.Polar(centerRef, this.offset, endAngle);
Line endBorder = new Line(Vector2.Polar(refEndSecond, this.style.DIMEXO, endAngle),
Vector2.Polar(endArc, this.style.DIMEXE, endAngle));
Arc dimArc = new Arc(centerRef, this.offset, startAngle * MathHelper.RadToDeg, endAngle * MathHelper.RadToDeg);
// dimension arrows
Vector2 arrowRefBegin = Vector2.Polar(startArc, this.style.DIMASZ, startAngle + MathHelper.HalfPI);
Solid arrowBegin = new Solid(startArc,
Vector2.Polar(arrowRefBegin, -this.style.DIMASZ / 6, startAngle),
Vector2.Polar(arrowRefBegin, this.style.DIMASZ / 6, startAngle),
startArc);
Vector2 arrowRefEnd = Vector2.Polar(endArc, -this.style.DIMASZ, endAngle + MathHelper.HalfPI);
Solid arrowEnd = new Solid(endArc,
Vector2.Polar(arrowRefEnd, this.style.DIMASZ / 6, endAngle),
Vector2.Polar(arrowRefEnd, -this.style.DIMASZ / 6, endAngle),
endArc);
// dimension text
double aperture = this.Value;
double rotText = Vector2.Angle(endArc, startArc);
Vector2 midText = Vector2.Polar(centerRef, this.offset + this.style.DIMGAP, startAngle + aperture * MathHelper.DegToRad * 0.5);
this.definitionPoint = this.endSecondLine;
this.midTextPoint = new Vector3(midText.X, midText.Y, elev); // this value is in OCS
this.arcDefinitionPoint = this.midTextPoint; // this value is in OCS
MText text = new MText(this.FormatDimensionText(aperture),
this.midTextPoint,
this.style.DIMTXT, 0.0, this.style.TextStyle)
{
AttachmentPoint = MTextAttachmentPoint.BottomCenter,
Rotation = rotText * MathHelper.RadToDeg
};
// drawing block
Block dim = new Block(name, false);
dim.Entities.Add(startFirstPoint);
dim.Entities.Add(endFirstPoint);
dim.Entities.Add(startSecondPoint);
dim.Entities.Add(endSecondPoint);
dim.Entities.Add(startBorder);
dim.Entities.Add(endBorder);
dim.Entities.Add(dimArc);
dim.Entities.Add(arrowBegin);
dim.Entities.Add(arrowEnd);
dim.Entities.Add(text);
this.block = dim;
return(dim);
}
/// <summary>
/// Creates a new Solid that is a copy of the current instance.
/// </summary>
/// <returns>A new Solid that is a copy of this instance.</returns>
public override object Clone()
{
Solid entity = new Solid
{
//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,
//Solid properties
FirstVertex = this.firstVertex,
SecondVertex = this.secondVertex,
ThirdVertex = this.thirdVertex,
FourthVertex = this.fourthVertex,
Thickness = this.thickness
};
foreach (XData data in this.XData.Values)
entity.XData.Add((XData)data.Clone());
return entity;
}
/// <summary>
/// Gets the the block that contains the entities that make up the dimension picture.
/// </summary>
/// <param name="name">Name to be asigned to the generated block.</param>
/// <returns>The block that represents the actual dimension.</returns>
internal override Block BuildBlock(string name)
{
// we will build the dimension block in object coordinates with normal the dimension normal
Vector3 refPoint = MathHelper.Transform(this.firstRef, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 firstRef = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(this.secondRef, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 secondRef = new Vector2(refPoint.X, refPoint.Y);
double elev = refPoint.Z;
double refRotation = Vector2.Angle(firstRef, secondRef);
Vector2 startDimLine = Vector2.Polar(firstRef, this.offset, refRotation + MathHelper.HalfPI);
Vector2 endDimLine = Vector2.Polar(secondRef, this.offset, refRotation + MathHelper.HalfPI);
// reference points
Layer defPoints = new Layer("Defpoints")
{
Plot = false
};
Point startRef = new Point(firstRef)
{
Layer = defPoints
};
Point endRef = new Point(secondRef)
{
Layer = defPoints
};
Point defPoint = new Point(endDimLine)
{
Layer = defPoints
};
// dimension lines
double offsetRot = 0.0;
if (this.offset < 0)
{
offsetRot = MathHelper.PI;
}
Line startBorder = new Line(Vector2.Polar(firstRef, this.style.DIMEXO, offsetRot + refRotation + MathHelper.HalfPI),
Vector2.Polar(startDimLine, this.style.DIMEXE, offsetRot + refRotation + MathHelper.HalfPI));
Line endBorder = new Line(Vector2.Polar(secondRef, this.style.DIMEXO, offsetRot + refRotation + MathHelper.HalfPI),
Vector2.Polar(endDimLine, this.style.DIMEXE, offsetRot + refRotation + MathHelper.HalfPI));
Line dimLine = new Line(startDimLine, endDimLine);
this.definitionPoint = MathHelper.Transform(new Vector3(endDimLine.X, endDimLine.Y, elev), this.normal,
MathHelper.CoordinateSystem.Object,
MathHelper.CoordinateSystem.World);
Vector2 midDimLine = Vector2.MidPoint(startDimLine, endDimLine);
// dimension arrows
Vector2 arrowRefBegin = Vector2.Polar(startDimLine, this.style.DIMASZ, refRotation);
Vector2 arrowRefEnd = Vector2.Polar(endDimLine, -this.style.DIMASZ, refRotation);
Solid arrowBegin = new Solid(startDimLine,
Vector2.Polar(arrowRefBegin, -this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
Vector2.Polar(arrowRefBegin, this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
startDimLine);
Solid arrowEnd = new Solid(endDimLine,
Vector2.Polar(arrowRefEnd, this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
Vector2.Polar(arrowRefEnd, -this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
endDimLine);
// dimension text
this.midTextPoint = new Vector3(midDimLine.X, midDimLine.Y, elev); // this value is in OCS
MText text = new MText(this.FormatDimensionText(this.Value),
Vector2.Polar(midDimLine, this.style.DIMGAP, refRotation + MathHelper.HalfPI),
this.style.DIMTXT, 0.0, this.style.TextStyle)
{
AttachmentPoint = MTextAttachmentPoint.BottomCenter,
Rotation = refRotation * MathHelper.RadToDeg
};
// drawing block
Block dim = new Block(name);
dim.Entities.Add(startRef);
dim.Entities.Add(endRef);
dim.Entities.Add(defPoint);
dim.Entities.Add(startBorder);
dim.Entities.Add(endBorder);
dim.Entities.Add(dimLine);
dim.Entities.Add(arrowBegin);
dim.Entities.Add(arrowEnd);
dim.Entities.Add(text);
this.block = dim;
return(dim);
}
/// <summary>
/// Gets the the block that contains the entities that make up the dimension picture.
/// </summary>
/// <param name="name">Name to be asigned to the generated block.</param>
/// <returns>The block that represents the actual dimension.</returns>
internal override Block BuildBlock(string name)
{
// we will build the dimension block in object coordinates with normal the dimension normal
Vector3 refPoint = MathHelper.Transform(this.definitionPoint, this.normal,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Vector2 firstRef = new Vector2(refPoint.X, refPoint.Y);
double elev = refPoint.Z;
double refRotation = this.rotation * MathHelper.DegToRad;
Vector2 secondRef = Vector2.Polar(firstRef, this.radius, refRotation);
this.circunferencePoint = MathHelper.Transform(new Vector3(secondRef.X, secondRef.Y, elev), this.normal,
MathHelper.CoordinateSystem.Object,
MathHelper.CoordinateSystem.World);
// reference points
Layer defPoints = new Layer("Defpoints")
{
Plot = false
};
Point startRef = new Point(firstRef)
{
Layer = defPoints
};
Point endRef = new Point(secondRef)
{
Layer = defPoints
};
// dimension lines
Line dimLine = new Line(firstRef, secondRef);
// center cross
double dist = Math.Abs(this.style.DIMCEN);
Vector2 c1 = new Vector2(0, -dist) + firstRef;
Vector2 c2 = new Vector2(0, dist) + firstRef;
Line crossLine1 = new Line(c1, c2);
c1 = new Vector2(-dist, 0) + firstRef;
c2 = new Vector2(dist, 0) + firstRef;
Line crossLine2 = new Line(c1, c2);
// dimension arrows
Vector2 arrowRef = Vector2.Polar(secondRef, -this.style.DIMASZ, refRotation);
Solid arrow = new Solid(secondRef,
Vector2.Polar(arrowRef, this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
Vector2.Polar(arrowRef, -this.style.DIMASZ / 6, refRotation + MathHelper.HalfPI),
secondRef);
// dimension text
Vector2 midDimLine = Vector2.MidPoint(firstRef, secondRef);
this.midTextPoint = new Vector3(midDimLine.X, midDimLine.Y, elev); // this value is in OCS
MText text = new MText(this.FormatDimensionText(this.Value),
Vector2.Polar(midDimLine, this.style.DIMGAP, refRotation + MathHelper.HalfPI),
this.style.DIMTXT, 0.0, this.style.TextStyle)
{
AttachmentPoint = MTextAttachmentPoint.BottomCenter,
Rotation = refRotation * MathHelper.RadToDeg
};
Block dim = new Block(name, false);
dim.Entities.Add(startRef);
dim.Entities.Add(endRef);
dim.Entities.Add(dimLine);
dim.Entities.Add(crossLine1);
dim.Entities.Add(crossLine2);
dim.Entities.Add(arrow);
dim.Entities.Add(text);
this.block = dim;
return(dim);
}
private static void SolidEntity()
{
// The solid vertexes are expressed in OCS (object coordinate system)
// Now they are stored as Vector2 to force all vertexes to lay on a plane, this is similar as how the LwPolyline works.
// The Z coordinate is controlled by the elevation property of the Solid.
Vector2 a = new Vector2(-1, -1);
Vector2 b = new Vector2(1, -1);
Vector2 c = new Vector2(-1, 1);
Vector2 d = new Vector2(1, 1);
Solid solid = new Solid(a, b, c, d);
solid.Normal = new Vector3(1, 1, 0);
solid.Elevation = 2;
DxfDocument doc = new DxfDocument();
doc.AddEntity(solid);
doc.Save("SolidEntity.dxf");
}
private static void Solid()
{
DxfDocument dxf = new DxfDocument();
Solid solid = new Solid();
solid.FirstVertex=new Vector2(0,0);
solid.SecondVertex = new Vector2(1, 0);
solid.ThirdVertex = new Vector2(0, 1);
solid.FourthVertex = new Vector2(1, 1);
dxf.AddEntity(solid);
dxf.Save("solid.dxf");
//dxf = DxfDocument.Load("solid.dxf");
//dxf.Save("solid.dxf");
}
private static void Solid()
{
DxfDocument dxf = new DxfDocument();
Solid solid = new Solid();
solid.FirstVertex=new Vector3d(0,0,0);
solid.SecondVertex = new Vector3d(1, 0, 0);
solid.ThirdVertex = new Vector3d(0, 1, 0);
solid.FourthVertex = new Vector3d(1, 1, 0);
dxf.AddEntity(solid);
dxf.Save("solid.dxf", DxfVersion.AutoCad2000);
//dxf.Load("solid.dxf");
//dxf.Save("solid.dxf");
}