/// <summary>
/// Splits a surface by multiple curves.
/// </summary>
/// <param name="srf"></param>
/// <param name="crvs"></param>
/// <search></search>
public static Autodesk.DesignScript.Geometry.Geometry[] SplitPlanarSurfaceByMultipleCurves(this Autodesk.DesignScript.Geometry.Surface srf, List <Autodesk.DesignScript.Geometry.Curve> crvs)
{
Autodesk.DesignScript.Geometry.Vector vec = srf.NormalAtParameter(0.5, 0.5);
List <Autodesk.DesignScript.Geometry.Surface> srfLst = new List <Autodesk.DesignScript.Geometry.Surface>();
foreach (Autodesk.DesignScript.Geometry.Curve crv in crvs)
{
Autodesk.DesignScript.Geometry.Surface splitSrf = crv.Extrude(vec, 5000);
srfLst.Add(splitSrf);
}
Autodesk.DesignScript.Geometry.PolySurface polysrf = Autodesk.DesignScript.Geometry.PolySurface.ByJoinedSurfaces(srfLst);
Autodesk.DesignScript.Geometry.Geometry[] geo = srf.Split(polysrf);
vec.Dispose();
polysrf.Dispose();
foreach (Autodesk.DesignScript.Geometry.Surface s in srfLst)
{
s.Dispose();
}
return(geo);
}
/// <summary>
/// Create Rebar following a selected surface
/// </summary>
/// <param name="face">Surface</param>
/// <param name="numberOfCurves">Define number of curves or distance between bars</param>
/// <param name="distanceBetweenCurves">Define distance between curves or number of bars</param>
/// <param name="flip">Flip orientation</param>
/// <param name="offset">Offset</param>
/// <param name="idealize">Idealize surfaces to rectangles</param>
/// <returns>List of rebar</returns>
public static List<Curve> FollowingSurface(Surface face, int numberOfCurves, double distanceBetweenCurves = 0, bool flip = true, double offset = 0, bool idealize = true)
{
if (idealize)
{
return face.Follow(50, offset, distanceBetweenCurves, numberOfCurves, flip);
}
else
{
// Create return value collection
List<Curve> curves = new List<Curve>();
// Get a reference curve from the surface
UV p1 = UV.ByCoordinates(0, 0);
UV p2 = UV.ByCoordinates(1, 0);
double length = (!flip) ? face.DistanceBetweenPoints(p1, p2) : face.DistanceBetweenPoints(p1.Flip(), p2.Flip());
// If there is a distance applied use it to determine the number of lines to create
if (distanceBetweenCurves > 0) numberOfCurves = (int)(length / (distanceBetweenCurves));
numberOfCurves++;
Surface surface = face;
if (offset != 0)
{
Vector normal = face.NormalAtParameter(0.5, 0.5);
surface = (Surface)face.Translate(normal, offset);
}
TrimmedSurface trimmedSurface = new TrimmedSurface(surface);
// Walk thru the amount of lines to create
for (int j = 1; j < numberOfCurves; j++)
{
// Create a set of points for createing a curve
List<Point> points = new List<Point>();
// Get the height parameter
double height = (double)j / (double)numberOfCurves;
curves.Add(trimmedSurface.GetCurveAtParameter(height, flip));
}
return curves;
}
}
