internal override int ReadParameters(List <string> parameters, IgesReaderBinder binder)
{
int index = 0;
var k = Integer(parameters, index++); // upper index of sum
var m = Integer(parameters, index++); // degree of basis functions
IsPlanar = Boolean(parameters, index++);
IsClosed = Boolean(parameters, index++);
IsPolynomial = Boolean(parameters, index++);
IsPeriodic = Boolean(parameters, index++);
var n = 1 + k - m;
var a = n + 2 * m;
for (int i = 0; i < a + 1; i++)
{
KnotValues.Add(Double(parameters, index++));
}
for (int i = 0; i < k + 1; i++)
{
Weights.Add(Double(parameters, index++));
}
for (int i = 0; i < k + 1; i++)
{
var x = Double(parameters, index++);
var y = Double(parameters, index++);
var z = Double(parameters, index++);
ControlPoints.Add(new IgesPoint(x, y, z));
}
StartParameter = Double(parameters, index++);
EndParameter = Double(parameters, index++);
Normal = IsPlanar
? new IgesVector(Double(parameters, index++), Double(parameters, index++), Double(parameters, index++))
: IgesVector.ZAxis;
return(index);
}
public override void ParseGroupCode(int groupcode, string value)
{
base.ParseGroupCode(groupcode, value);
switch (groupcode)
{
case 210:
Normal.X = double.Parse(value);
break;
case 220:
Normal.Y = double.Parse(value);
break;
case 230:
Normal.Z = double.Parse(value);
break;
case 70:
Flags = (FlagsEnum)Enum.Parse(typeof(FlagsEnum), value);
break;
case 71:
Degree = int.Parse(value);
break;
case 72:
KnotCount = int.Parse(value);
break;
case 73:
ControlPointCount = int.Parse(value);
break;
case 74:
FitPointCount = int.Parse(value);
break;
case 42:
KnotTolerance = double.Parse(value);
break;
case 43:
ControlPointTolerance = double.Parse(value);
break;
case 44:
FitPointTolerance = double.Parse(value);
break;
case 12:
StartTangent.X = double.Parse(value);
break;
case 22:
StartTangent.Y = double.Parse(value);
break;
case 32:
StartTangent.Z = double.Parse(value);
break;
case 13:
EndTangent.X = double.Parse(value);
break;
case 23:
EndTangent.Y = double.Parse(value);
break;
case 33:
EndTangent.Z = double.Parse(value);
break;
case 40:
KnotValues.Add(double.Parse(value));
break;
case 41:
Weight = double.Parse(value);
break;
case 10:
if (LastControlPoint == null || LastControlPoint.X != null)
{
LastControlPoint = new DXFPoint();
}
LastControlPoint.X = double.Parse(value);
break;
case 20:
if (LastControlPoint == null || LastControlPoint.Y != null)
{
LastControlPoint = new DXFPoint();
}
LastControlPoint.Y = double.Parse(value);
break;
case 30:
if (LastControlPoint == null || LastControlPoint.Z != null)
{
LastControlPoint = new DXFPoint();
}
LastControlPoint.Z = double.Parse(value);
break;
case 11:
if (LastFitPoint == null || LastFitPoint.X != null)
{
LastFitPoint = new DXFPoint();
}
LastFitPoint.X = double.Parse(value);
break;
case 21:
if (LastFitPoint == null || LastFitPoint.Y != null)
{
LastFitPoint = new DXFPoint();
}
LastFitPoint.Y = double.Parse(value);
break;
case 31:
if (LastFitPoint == null || LastFitPoint.Z != null)
{
LastFitPoint = new DXFPoint();
}
LastFitPoint.Z = double.Parse(value);
break;
}
}