public override void ProcessFactory(PicFactory factory)
{
// initialization
_segList.Clear();
_box = new Box2D();
_area = 0.0;
// build list of segments with entities that belongs to group
factory.ProcessToolAllEntities(this);
_box.AddMarginRatio(0.2);
// exit if no of segments exceeds MAXSEG
int maxSeg = Pic.Factory2D.Properties.Settings.Default.AreaMaxNoSegments;
if (_segList.Count > maxSeg)
throw new PicToolTooLongException(string.Format("No of segments exceeds {0}", maxSeg));
// compute actual step size
uint iNoStep = (uint)(_box.Width / _stepSize);
iNoStep = Math.Min(iNoStep, _iNoStepMax);
double stepDefault = _box.Width / iNoStep;
// compute area
for (int i = 0; i < iNoStep; ++i)
{
double xh = _box.XMin + i * stepDefault;
int nby = 1;
double stepCurrent = stepDefault;
List<double> tabyh = new List<double>();
tabyh.Add(double.MaxValue);
bool bAgain = false;
do
{
bAgain = false;
stepCurrent = stepDefault;
foreach (Segment segTemp in _segList)
{
Segment seg;
if (segTemp.P0.X <= segTemp.P1.X)
seg = segTemp;
else
seg = new Segment(segTemp.P1, segTemp.P0);
if (xh >= seg.P0.X && xh <= seg.P1.X)
{
// cas intersections confondues
if ((Math.Abs(xh - seg.P0.X) < 0.001) || (Math.Abs(seg.P1.X - xh) < 0.001))
{
// restart loop from the beginning
nby = 1;
tabyh[0] = double.MaxValue;
stepCurrent = 0.9 * stepDefault;
xh -= stepDefault * 0.1;
bAgain = true;
break;
}
else
{
double yh = seg.P0.Y + (xh - seg.P0.X) * ((seg.P1.Y - seg.P0.Y) / (seg.P1.X - seg.P0.X));
tabyh.Add(yh);
}
}
}
}
while (bAgain);
tabyh.Sort();
nby = tabyh.Count;
// increment area
if (nby > 1 && (nby % 2 != 0))
{
for (int l = 0; l < nby - 1; l += 2)
{
_area = _area + stepCurrent * (tabyh[l + 1] - tabyh[l]);
}
}
}
}
public override void ProcessFactory(PicFactory factory)
{
// initialization
_segList.Clear();
_box = new Box2D();
_area = 0.0;
// build list of segments with entities that belongs to group
factory.ProcessToolAllEntities(this);
_box.AddMarginRatio(0.2);
// exit if no of segments exceeds MAXSEG
int maxSeg = Pic.Factory2D.Properties.Settings.Default.AreaMaxNoSegments;
if (_segList.Count > maxSeg)
{
throw new PicToolTooLongException(string.Format("No of segments exceeds {0}", maxSeg));
}
// compute actual step size
uint iNoStep = (uint)(_box.Width / _stepSize);
iNoStep = Math.Min(iNoStep, _iNoStepMax);
double stepDefault = _box.Width / iNoStep;
// compute area
for (int i = 0; i < iNoStep; ++i)
{
double xh = _box.XMin + i * stepDefault;
int nby = 1;
double stepCurrent = stepDefault;
List <double> tabyh = new List <double>();
tabyh.Add(double.MaxValue);
bool bAgain = false;
do
{
bAgain = false;
stepCurrent = stepDefault;
foreach (Segment segTemp in _segList)
{
Segment seg;
if (segTemp.P0.X <= segTemp.P1.X)
{
seg = segTemp;
}
else
{
seg = new Segment(segTemp.P1, segTemp.P0);
}
if (xh >= seg.P0.X && xh <= seg.P1.X)
{
// cas intersections confondues
if ((Math.Abs(xh - seg.P0.X) < 0.001) || (Math.Abs(seg.P1.X - xh) < 0.001))
{
// restart loop from the beginning
nby = 1;
tabyh[0] = double.MaxValue;
stepCurrent = 0.9 * stepDefault;
xh -= stepDefault * 0.1;
bAgain = true;
break;
}
else
{
double yh = seg.P0.Y + (xh - seg.P0.X) * ((seg.P1.Y - seg.P0.Y) / (seg.P1.X - seg.P0.X));
tabyh.Add(yh);
}
}
}
}while (bAgain);
tabyh.Sort();
nby = tabyh.Count;
// increment area
if (nby > 1 && (nby % 2 != 0))
{
for (int l = 0; l < nby - 1; l += 2)
{
_area = _area + stepCurrent * (tabyh[l + 1] - tabyh[l]);
}
}
}
}
