private static bool IsIncludedInQtree(Mapa mapa, BaseQtree qtree)
{
var header = mapa.Header;
var minlat = Util.LatitudFromWorldCoord(header.YMin);
var maxlat = Util.LatitudFromWorldCoord(header.YMax);
var minlon = Util.LongitudFromWorldCoord(header.XMin);
var maxlon = Util.LongitudFromWorldCoord(header.XMax);
var bottom = Math.Min(minlat, maxlat);
var top = Math.Max(minlat, maxlat);
var left = Math.Min(minlon, maxlon);
var right = Math.Max(minlon, maxlon);
return(qtree.IsInsideQtree(top, bottom, left, right));
}
private void Generate(BaseQtree qtree, Mapa mapa)
{
if (!IsIncludedInQtree(mapa, qtree))
{
return;
}
for (var j = mapa.Poligonales.Count - 1; j >= 0; j--)
{
var poligonal = mapa.Poligonales[j];
if (!Drawable(poligonal.Nivel))
{
continue;
}
var vertices = mapa.Poligonales.GetVertices(j);
LonLat last = null;
var drawNext = true;
foreach (var vertice in vertices)
{
var lonlat = new LonLat(mapa.Coords[Math.Abs(vertice)]);
if (last != null && drawNext)
{
var qs = qtree.MakeLeafLine(last.Longitud, last.Latitud, lonlat.Longitud, lonlat.Latitud, GetNivel(poligonal.Nivel).BrushSize);
for (var i = 0; i < qs.Count; i++)
{
var leaf = qs[i];
if (!leaf.Locked && CanOverwrite(poligonal.Nivel, leaf.Valor) &&
qtree.IsInsideQtree(leaf.Posicion.Latitud, leaf.Posicion.Longitud))
{
var latlon = qtree.GetCenterLatLon(leaf.Posicion);
qs[i] = qtree.SetValue(latlon.Latitud, latlon.Longitud, GetNivel(poligonal.Nivel).NivelQtree);
qtree.Commit();
}
}
}
last = lonlat;
drawNext = vertice > 0;
}
}
}