protected override Curve GeneratePerimeter()
{
double xF = Width / 2;
double xW = xF - WebThickness;
double yF = Depth / 2;
double yW = yF - FlangeThickness;
double fR = RootRadius.Limit(0, Math.Min(Width - WebThickness, Depth - FlangeThickness));
double xR = xW - fR;
double yR = yW - fR;
PolyCurve result = new PolyCurve(new Line(-xW, yF, -xF, yF)); //Top ---
result.AddLine(-xF, -yF); // Left |
result.AddLine(xF, -yF); // Bottom ---
result.AddLine(xF, -yW); // Bottom flange right |
//TODO: Toe Radius?
result.AddLine(-xR, -yW); // Bottom flange top ---
if (fR > 0)
{
result.AddArcTangent(-Vector.UnitX, -xW, -yR); // Bottom fillet
}
result.AddLine(-xW, yF); // Web Left |
//TODO: Toe radius
return(result);
}
protected override Curve GeneratePerimeter()
{
double xF = Width / 2;
double xW = WebThickness / 2;
double yF = Depth / 2;
double yW = yF - FlangeThickness;
double fR = RootRadius.Limit(0, Math.Min(xF - xW, Depth - WebThickness));
double xR = xW + fR;
double yR = yW - fR;
PolyCurve result = new PolyCurve(new Line(xF, yF, -xF, yF)); //Top ---
result.AddLine(-xF, yW); //Top flange left |
result.AddLine(-xR, yW); //Top left fillet start _
if (fR > 0)
{
result.AddArcTangent(Vector.UnitX, new Vector(-xW, yR)); //Top left fillet end ¬
}
result.AddLine(-xW, -yF); //Web left |
result.AddLine(xW, -yF); //Web bottom _
result.AddLine(xW, yR); //Web right |
if (fR > 0)
{
result.AddArcTangent(Vector.UnitY, new Vector(xR, yW)); //Top Right Fillet r
}
result.AddLine(xF, yW); //Top flange bottom right -
result.AddLine(xF, yF); //Top flange right |
return(result);
}
