public static List <PointF> Run(DraftSight.Interop.dsAutomation.ReferenceImage img, int nbPoint, int niveauGrisMini = 2)
{
var sites = new List <PointF>();
try
{
int LgMM = (int)img.Width;
int HtMM = (int)img.Height;
int LgPx = LgMM + 1;
int HtPx = HtMM + 1;
var bmp = new Bitmap(img.GetPath());
var Bmp = bmp.Redimensionner(new Size(LgPx, HtPx));
bmp.Dispose();
int decal = 4;
float decal2 = decal / 2f;
BitmapHelper.Verrouiller(Bmp);
int i = 0;
while (i < nbPoint)
{
float fx = RandomHelper.Random.Next(LgMM - decal);
float fy = RandomHelper.Random.Next(HtMM - decal);
int gris = BitmapHelper.ValeurCanal(MathHelper.FloorToInt(fx), MathHelper.FloorToInt(fy), Canal.Luminosite);
if (gris > niveauGrisMini && RandomHelper.Random.Next(255) <= gris)
{
sites.Add(new PointF(fx + decal2, fy + decal2));
i++;
}
}
BitmapHelper.Liberer();
Bmp.Dispose();
}
catch (Exception ex) { Log.Message(ex); }
return(sites);
}
public static List <Cellule> Start(DraftSight.Interop.dsAutomation.ReferenceImage img, List <PointF> liste, int nbEquilibrage, out VoronoiGraph graph)
{
List <Cellule> listepoincon = null;
try
{
int LgMM = (int)img.Width;
int HtMM = (int)img.Height;
int LgPx = LgMM + 1;
int HtPx = HtMM + 1;
var bmp = new Bitmap(img.GetPath());
Settings.Bmp = bmp.Redimensionner(new Size(LgPx, HtPx));
bmp.Dispose();
Settings.Dimensions = new Size(LgMM, HtMM);;
//Settings.Histogram = BitmapHelper.Histogramme(Settings.Bmp);
BitmapHelper.Verrouiller(Settings.Bmp);
Settings.Graph = VoronoiGraph.ComputeVoronoiGraph(liste, LgMM, HtMM, false);
for (int k = 0; k < nbEquilibrage; k++)
{
liste = Equilibrer();
Settings.Graph = VoronoiGraph.ComputeVoronoiGraph(liste, LgMM, HtMM, false);
}
listepoincon = CalculerCellule();
BitmapHelper.Liberer();
Settings.Bmp.Dispose();
}
catch (Exception ex) { LogDebugging.Log.Message(ex); }
graph = Settings.Graph;
return(listepoincon);
}
private static List <PointF> Equilibrer()
{
var liste = new List <PointF>();
foreach (var site in Settings.Graph.Sites)
{
var enveloppe = site.Polygon.Enveloppe;
double xSum = 0, ySum = 0, pSum = 0;
for (int x = 0; x < enveloppe.Width; x++)
{
for (int y = 0; y < enveloppe.Height; y++)
{
var pt = new PointF(enveloppe.X + x, enveloppe.Y + y);
if (site.Polygon.InPolygon(pt))
{
var gris = BitmapHelper.ValeurCanal((int)pt.X, (int)pt.Y, Canal.Luminosite);
xSum += gris * x;
ySum += gris * y;
pSum += gris;
}
}
}
if (pSum > 0)
{
xSum /= pSum;
ySum /= pSum;
}
liste.Add(new PointF((float)(enveloppe.X + xSum), (float)(enveloppe.Y + ySum)));
}
return(liste);
}
public static List <PointF> Run(DraftSight.Interop.dsAutomation.ReferenceImage img, int nbPoint, double factDistanceRejection = 2, double factDistMin = 0.7)
{
try
{
int LgMM = (int)img.Width;
int HtMM = (int)img.Height;
int LgPx = LgMM + 1;
int HtPx = HtMM + 1;
var bmp = new Bitmap(img.GetPath());
Settings.Bmp = bmp.Redimensionner(new Size(LgPx, HtPx));
bmp.Dispose();
Settings.Dimensions = new SizeF(LgMM, HtMM);
Settings.Center = new PointF(LgMM * 0.5f, HtMM * 0.5f);
Settings.MinimumDistance = (float)((LgMM / Math.Sqrt(nbPoint / (HtMM / (double)LgMM))) * factDistMin);
Log.Message("MinimumDistance : " + Settings.MinimumDistance);
Settings.CellSize = Settings.MinimumDistance / SquareRootTwo;
Settings.GridWidth = (int)(LgMM / Settings.CellSize) + 1;
Settings.GridHeight = (int)(HtMM / Settings.CellSize) + 1;
Settings.FactDistanceRejection = (float)factDistanceRejection;
State.Grid = new VecteurV?[Settings.GridWidth, Settings.GridHeight];
State.ActivePoints = new List <VecteurV>();
State.Points = new List <VecteurV>();
BitmapHelper.Verrouiller(Settings.Bmp);
AddFirstPoint();
while (State.ActivePoints.Count != 0)
{
var listIndex = RandomHelper.Random.Next(State.ActivePoints.Count);
var point = State.ActivePoints[listIndex];
var found = false;
for (var k = 0; k < DefaultPointsPerIteration; k++)
{
found |= AddNextPoint(point);
}
if (!found)
{
State.ActivePoints.RemoveAt(listIndex);
}
}
BitmapHelper.Liberer();
Settings.Bmp.Dispose();
}
catch (Exception ex) { Log.Message(ex); };
var ListePoints = new List <PointF>();
foreach (var pt in State.Points)
{
ListePoints.Add(pt.GetPointF());
}
return(ListePoints);
}