/// <summary>
/// TwistedCubeSideSurface
/// </summary>
static OnSurface TwistedCubeSideSurface(
IOn3dPoint SW,
IOn3dPoint SE,
IOn3dPoint NE,
IOn3dPoint NW
)
{
OnNurbsSurface ns = new OnNurbsSurface(
3, // dimension
false, // not rational
2, // "u" order
2, // "v" order
2, // number of control vertices in "u" dir
2 // number of control vertices in "v" dir
);
// Corner CVs in counter clockwise order starting in the south west
ns.SetCV(0, 0, SW);
ns.SetCV(1, 0, SE);
ns.SetCV(1, 1, NE);
ns.SetCV(0, 1, NW);
// "u" knots
ns.SetKnot(0, 0, 0.0);
ns.SetKnot(0, 1, 1.0);
// "v" knots
ns.SetKnot(1, 0, 0.0);
ns.SetKnot(1, 1, 1.0);
return(ns);
}
private static OnSurface CreateNurbsSurface(On3dPoint SW, On3dPoint SE, On3dPoint NE, On3dPoint NW)
{
OnNurbsSurface pNurbsSurface = new OnNurbsSurface(
3, // dimension (>= 1)
false, // not rational
2, // "u" order (>= 2)
2, // "v" order (>= 2)
2, // number of control vertices in "u" dir (>= order)
2 // number of control vertices in "v" dir (>= order)
);
// corner CVs in counter clockwise order starting in the south west
pNurbsSurface.SetCV(0, 0, SW);
pNurbsSurface.SetCV(1, 0, SE);
pNurbsSurface.SetCV(1, 1, NE);
pNurbsSurface.SetCV(0, 1, NW);
// "u" knots
pNurbsSurface.SetKnot(0, 0, 0.0);
pNurbsSurface.SetKnot(0, 1, 1.0);
// "v" knots
pNurbsSurface.SetKnot(1, 0, 0.0);
pNurbsSurface.SetKnot(1, 1, 1.0);
return(pNurbsSurface);
}
/// <summary>
/// TwistedCubeSideSurface
/// </summary>
static OnSurface TwistedCubeSideSurface(
IOn3dPoint SW,
IOn3dPoint SE,
IOn3dPoint NE,
IOn3dPoint NW
)
{
OnNurbsSurface ns = new OnNurbsSurface(
3, // dimension
false, // not rational
2, // "u" order
2, // "v" order
2, // number of control vertices in "u" dir
2 // number of control vertices in "v" dir
);
// Corner CVs in counter clockwise order starting in the south west
ns.SetCV(0, 0, SW);
ns.SetCV(1, 0, SE);
ns.SetCV(1, 1, NE);
ns.SetCV(0, 1, NW);
// "u" knots
ns.SetKnot(0, 0, 0.0);
ns.SetKnot(0, 1, 1.0);
// "v" knots
ns.SetKnot(1, 0, 0.0);
ns.SetKnot(1, 1, 1.0);
return ns;
}
private static OnSurface CreateNurbsSurface(On3dPoint SW, On3dPoint SE, On3dPoint NE, On3dPoint NW)
{
OnNurbsSurface pNurbsSurface = new OnNurbsSurface(
3, // dimension (>= 1)
false, // not rational
2, // "u" order (>= 2)
2, // "v" order (>= 2)
2, // number of control vertices in "u" dir (>= order)
2 // number of control vertices in "v" dir (>= order)
);
// corner CVs in counter clockwise order starting in the south west
pNurbsSurface.SetCV(0, 0, SW);
pNurbsSurface.SetCV(1, 0, SE);
pNurbsSurface.SetCV(1, 1, NE);
pNurbsSurface.SetCV(0, 1, NW);
// "u" knots
pNurbsSurface.SetKnot(0, 0, 0.0);
pNurbsSurface.SetKnot(0, 1, 1.0);
// "v" knots
pNurbsSurface.SetKnot(1, 0, 0.0);
pNurbsSurface.SetKnot(1, 1, 1.0);
return pNurbsSurface;
}