private void CreateBezierSurface()
{
var viewModel = BezierSurfaceCreationViewModel.ShowDialog();
if (viewModel == null)
{
return;
}
BezierSurfaceWorldObject surface;
if (viewModel.CylindricalFold)
{
surface = BezierSurfaceWorldObject.CreateCylindrical(viewModel.SegmentsX, viewModel.SegmentsY,
viewModel.Radius, viewModel.Height);
}
else
{
surface = BezierSurfaceWorldObject.CreateFlatGrid(viewModel.SegmentsX, viewModel.SegmentsY, viewModel.PlaneWidth, viewModel.PlaneHeight);
}
surface.Name = "Bezier surface";
_scene.SmartEditTarget?.RegisterNewObject(surface);
_scene.AttachObject(surface);
}
private void FillWithGregory()
{
var gregoryAdjacentPatches = _scene.GrabbedObjects
.Where(t => t is BezierSurfaceWorldObject)
.Cast <BezierSurfaceWorldObject>()
.Take(3) // todo: support for more
.ToList();
var outline = BezierSurfaceWorldObject.FindHoleOutline(
gregoryAdjacentPatches
);
if (outline.Count != 9)
{
MessageBox.Show(
_ownerWindow,
"Hole cannot be filled for selected patches",
"Operation cannot be performed",
MessageBoxButton.OK,
MessageBoxImage.Information
);
return;
}
var fill = new TriangularHoleFill {
OutlinePoints = outline
};
_scene.AttachObject(fill);
}
private WorldObject MakeImportableObject(
string objectTypeName,
string objectName)
{
objectTypeName = objectTypeName.Trim();
objectName = objectName.Trim();
if (objectTypeName == "BEZIERCURVE")
{
var beziercurve = new BezierC0WorldObject
{
Name = objectName,
Shape = new BezierCurveC0()
};
var refPointsCount = ReadInt();
for (var i = 0; i < refPointsCount; ++i)
{
beziercurve.AttachObject(GetMarkerPoint(ReadInt()));
}
return(beziercurve);
}
if (objectTypeName == "BSPLINECURVE")
{
var bsplinecurve = new BezierC2WorldObject
{
Name = objectName,
Shape = new BezierCurveC2()
};
var refPointsCount = ReadInt();
for (var i = 0; i < refPointsCount; ++i)
{
bsplinecurve.AttachObject(GetMarkerPoint(ReadInt()));
}
return(bsplinecurve);
}
if (objectTypeName == "INTERP")
{
var interpolat = new InterpolatingBSplineObject
{
Name = objectName,
Shape = new BezierCurveC2()
};
var refPointsCount = ReadInt();
for (var i = 0; i < refPointsCount; ++i)
{
interpolat.AttachObject(GetMarkerPoint(ReadInt()));
}
return(interpolat);
}
if (objectTypeName == "BEZIERSURF" ||
objectTypeName == "BSPLINESURF")
{
var controlPointsV = ReadInt();
var controlPointsU = ReadInt();
var folded = GetTextSegment()[0] == 'C';
var correctDirection = GetTextSegment()[0] == 'H';
var dataRows = controlPointsU;
var dataColumns = controlPointsV;
Func <int, int, Tuple <int, int> > mapper;
if (correctDirection)
{
mapper = (i, j) => new Tuple <int, int>(i, j);
}
else
{
throw new ArgumentException("Only H option is supported");
}
var data = new SharedPoint3D[dataRows, dataColumns];
for (var row = 0; row < controlPointsU; ++row)
{
for (var column = 0; column < controlPointsV; ++column)
{
var id = ReadInt();
var point = _referencePoints[id];
var mapped = mapper(row, column);
data[mapped.Item1, mapped.Item2] = point;
}
}
WorldObject surf;
if (objectTypeName == "BEZIERSURF")
{
var bezierSurf = new BezierSurfaceWorldObject
{
Name = objectName,
Shape = new BezierPatchGroup(),
};
bezierSurf.BuildFromExternalData(data, folded);
surf = bezierSurf;
}
else
{
var bsplineSurf = new BSplineSurfaceWorldObject
{
Name = objectName,
Shape = new BSplinePatchGroup(),
};
bsplineSurf.BuildFromExternalData(data, folded);
surf = bsplineSurf;
}
return(surf);
}
return(null);
}
