/***************************************************/
/**** Public Methods ****/
/***************************************************/
public static double Area(this PanelPlanar panel)
{
List <PolyCurve> externalEdges = panel.ExternalEdgeCurves().IJoin();
List <PolyCurve> internalEdges = panel.InternalEdgeCurves().IJoin();
return(externalEdges.Select(x => x.Area()).Sum() - internalEdges.Select(x => x.Area()).Sum());
}
/***************************************************/
public static List <ICurve> AllEdgeCurves(this PanelPlanar panel)
{
List <ICurve> result = panel.ExternalEdgeCurves();
result.AddRange(panel.InternalEdgeCurves());
return(result);
}
/***************************************************/
public static List <Point> PointGrid(this PanelPlanar panel)
{
List <ICurve> curves = panel.ExternalEdgeCurves();
List <PolyCurve> joined = curves.IJoin();
List <PolyCurve> joinedOpeningCurves = panel.InternalEdgeCurves().IJoin();
Plane plane = joined.First().FitPlane();
Vector z = Vector.ZAxis;
double angle = plane.Normal.Angle(z);
Vector axis = plane.Normal.CrossProduct(z);
TransformMatrix matrix = Engine.Geometry.Create.RotationMatrix(Point.Origin, axis, angle);
List <PolyCurve> rotated = curves.Select(x => x.IRotate(Point.Origin, axis, angle)).ToList().IJoin();
BoundingBox bounds = rotated.First().Bounds();
for (int i = 1; i < rotated.Count; i++)
{
bounds += rotated[i].Bounds();
}
double xMin = bounds.Min.X;
double yMin = bounds.Min.Y;
double zVal = bounds.Min.Z;
int steps = 9;
double xStep = (bounds.Max.X - xMin) / steps;
double yStep = (bounds.Max.Y - yMin) / steps;
List <Point> pts = new List <Point>();
TransformMatrix transpose = matrix.Transpose();
for (int i = 0; i < steps; i++)
{
double x = xMin + xStep * i;
for (int j = 0; j < steps; j++)
{
Point pt = new Point {
X = x, Y = yMin + yStep * j, Z = zVal
};
bool isInside = false;
pt = pt.Transform(transpose);
foreach (PolyCurve crv in joined)
{
List <Point> list = new List <Point> {
pt
};
if (crv.IsContaining(list, true, 1E-3))
{
if (!joinedOpeningCurves.Any(c => c.IsContaining(list, false)))
{
isInside = true;
break;
}
}
}
if (isInside)
{
pts.Add(pt);
}
}
}
return(pts);
}