public static Dictionary <string, object> CurveSinusoidalPoints(
Autodesk.DesignScript.Geometry.Curve _Curve,
double WaveLength = 5.0,
double Amplitude = 1.0,
double Resolution = 2.0)
{
double n = (_Curve.Length / WaveLength) * 4 * Resolution;
double _Span = _Curve.Length / n;
List <Autodesk.DesignScript.Geometry.Point> points = new List <Autodesk.DesignScript.Geometry.Point>();
List <double> ks = new List <double>();
for (int i = 0; i < n; i++)
{
double k = Amplitude * Math.Sin(i * _Span * Math.PI * 2 / WaveLength + Math.PI * 2);
Autodesk.DesignScript.Geometry.Plane pl = _Curve.PlaneAtParameter(_Curve.ParameterAtSegmentLength(i * _Span));
Autodesk.DesignScript.Geometry.Point p = _Curve.PointAtSegmentLength(i * _Span);
points.Add((Autodesk.DesignScript.Geometry.Point)p.Translate(pl.YAxis, k));
ks.Add(k);
}
return(new Dictionary <string, object>
{
{ "Points", points },
{ "k", ks }
});
}
public static Dictionary <string, object> CurveSinusoidalPointsWithVoxel(
Autodesk.DesignScript.Geometry.Curve _Curve,
VoxelImage Voxel,
double WaveLength = 5.0,
double Amplitude = 1.0,
double Resolution = 2.0)
{
VoxelChannel _VoxelChannel = Voxel.GetChannel(VoxelImageLayout.SHAPECHANNEL);
double n = (_Curve.Length / WaveLength) * 4 * Resolution;
double _Span = _Curve.Length / n;
List <Autodesk.DesignScript.Geometry.Point> points = new List <Autodesk.DesignScript.Geometry.Point>();
List <double> ks = new List <double>();
for (int i = 0; i < n; i++)
{
Autodesk.DesignScript.Geometry.Plane pl = _Curve.PlaneAtParameter(_Curve.ParameterAtSegmentLength(i * _Span));
Autodesk.DesignScript.Geometry.Point p = _Curve.PointAtSegmentLength(i * _Span);
double FieldValue = V2GVoxel.GetVoxelFieldValue(_VoxelChannel, p.X, p.Y, p.Z);
double k = FieldValue * Amplitude * Math.Sin(i * _Span * Math.PI * 2 / WaveLength + Math.PI * 2);
points.Add((Autodesk.DesignScript.Geometry.Point)p.Translate(pl.YAxis, k));
ks.Add(k);
}
return(new Dictionary <string, object>
{
{ "Points", points },
{ "k", ks }
});
}
/// <summary>
/// Constructors a plane at a point on the curve by given paramater and
/// use the tangent at the point as Normal of the plane
/// </summary>
/// <param name="contextCurve"></param>
/// <param name="t"></param>
/// <returns></returns>
public static Plane AtParameter(Curve contextCurve, double t)
{
if (null == contextCurve)
throw new ArgumentNullException("contextCurve");
return contextCurve.PlaneAtParameter(t);
}
