/// <summary>
/// return theta for a given z value
/// </summary>
/// <param name="z"></param>
/// <returns></returns>
double ThetaRadAtForNonConstant(double z)
{
var tw0 = new GeometryLib.PointCyl();
var tw1 = new GeometryLib.PointCyl();
double theta = 0;
bool zFound = false;
for (int i = 0; i < _twist.Count - 1; i++)
{
if ((z >= _twist[i].Z) && (z <= _twist[i + 1].Z))
{
tw0 = _twist[i];
tw1 = _twist[i + 1];
zFound = true;
}
if (zFound)
{
break;
}
}
if (zFound)
{
if ((tw1.Z - tw0.Z) < float.Epsilon)
{
theta = tw1.ThetaRad;
}
else
{
theta = (z - tw0.Z) * (tw1.ThetaRad - tw0.ThetaRad) / (tw1.Z - tw0.Z) + tw0.ThetaRad;
}
}
return(theta);
}
CylData Init()
{
var cd = new CylData();
var vlist = new List <IGeometryLib.IPointCyl>();
var v1 = new GeometryLib.PointCyl(0, 0, 1);
vlist.Add(v1);
vlist.Add(v1);
cd.AddRange(vlist);
return(cd);
}
void OpenTXT(string fileName)
{
List <string> file = FileIO.ReadDataTextFile(fileName);
_twist = new List <GeometryLib.PointCyl>();
if (file.Count >= 2)
{
string[] splitter = FileIO.Splitter;
if (file[0].Trim() == TwistProfile.Name)
{
TwistType tempEnum = TwistType.Progressive;
if (Enum.TryParse <TwistType>(file[1], true, out tempEnum))
{
_type = tempEnum;
}
else
{
_type = TwistType.Progressive;
}
for (int i = 4; i < file.Count; i++)
{
string[] splitLine = file[i].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
var twist = new GeometryLib.PointCyl();
if (splitLine.Length > 1)
{
double result = 0;
if (double.TryParse(splitLine[0].Trim(), out result))
{
twist.Z = result;
}
result = 0;
if (double.TryParse(splitLine[1].Trim(), out result))
{
twist.ThetaRad = result;
}
_twist.Add(twist);
}
}
}
}
}
