private AlignedDimension ReadAlignedDimension(Vector3 defPoint, Vector3 normal)
{
Vector3 firstRef = Vector3.Zero;
Vector3 secondRef = Vector3.Zero;
List<XData> xData = new List<XData>();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 13:
firstRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 23:
firstRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 33:
firstRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 14:
secondRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 24:
secondRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 34:
secondRef.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;
}
}
IList<Vector3> ocsPoints = MathHelper.Transform(
new List<Vector3>
{
firstRef, secondRef, defPoint
},
normal, CoordinateSystem.World, CoordinateSystem.Object);
AlignedDimension entity = new AlignedDimension
{
FirstReferencePoint = new Vector2(ocsPoints[0].X, ocsPoints[0].Y),
SecondReferencePoint = new Vector2(ocsPoints[1].X, ocsPoints[1].Y),
Elevation = ocsPoints[2].Z,
Normal = normal
};
entity.SetDimensionLinePosition(new Vector2(ocsPoints[2].X, ocsPoints[2].Y));
entity.XData.AddRange(xData);
return entity;
}
