private static double CalcFigureContour(FigureContour fContour)
{
var points = new List <Point>();
foreach (var p in fContour.Objects)
{
if (points.LastOrDefault()?.Equals(p.Begin) ?? true)
{
points.Add(p.Begin);
}
points.Add(p.End);
if (p is ContourArc arc)
{
var area = (arc.Radius * arc.Radius) * 0.5 *
(Math.PI * arc.Angle / 180 - Math.Sin(arc.Angle * Math.PI / 180));
}
}
return(CalcPoints(points));
}
public void ParseArcOrLine()
{
_contour = new FigureContour {
Orientation = !_partProfile.Contours.Any() ? "Positive" : "Negative"
};
_lastPoint = null;
while (_linesLeftToParse > 0)
{
_point = ParsePoint(GetValue(StreamReader.ReadLine()));
_linesLeftToParse--;
if (_point.B > 0 || _point.B < 0)
{
ParseArc();
}
else
{
ParseLine();
}
_lastPoint = _point;
}
_contour.CloseContour();
_partProfile.Contours.Add(_contour);
}
public void CalcSquareArea()
{
var outerContour = new FigureContour
{
Objects = new List <ContourObject>
{
new ContourLine {
Begin = new Point {
X = 0, Y = 0
}, End = new Point {
X = 0, Y = 1000
}
},
new ContourLine {
Begin = new Point {
X = 0, Y = 1000
}, End = new Point {
X = 1000, Y = 1000
}
},
new ContourLine {
Begin = new Point {
X = 1000, Y = 1000
}, End = new Point {
X = 1000, Y = 0
}
},
new ContourLine {
Begin = new Point {
X = 1000, Y = 0
}, End = new Point {
X = 0, Y = 0
}
}
}
};
var innerContour = new FigureContour
{
Objects = new List <ContourObject>
{
new ContourLine {
Begin = new Point {
X = 10, Y = 10
}, End = new Point {
X = 10, Y = 110
}
},
new ContourLine {
Begin = new Point {
X = 10, Y = 110
}, End = new Point {
X = 110, Y = 110
}
},
new ContourLine {
Begin = new Point {
X = 110, Y = 110
}, End = new Point {
X = 110, Y = 10
}
},
new ContourLine {
Begin = new Point {
X = 110, Y = 10
}, End = new Point {
X = 10, Y = 10
}
}
}
};
var partProfile = new PartProfile
{
Contours = new List <Contour> {
outerContour, innerContour
}
};
Assert.AreEqual(1000000 - 10000, CalcHelper.CalcArea(partProfile));
}
