public static Dictionary <string, object> SplitByDistance(Polygon2d polyOutline, Random ran, double distance = 10, int dir = 0, double spacing = 0)
{
if (!ValidateObject.CheckPoly(polyOutline))
{
return(null);
}
double extents = 5000, spacingProvided;
List <Point2d> polyOrig = polyOutline.Points;
if (spacing == 0)
{
spacingProvided = BuildLayout.SPACING;
}
else
{
spacingProvided = spacing;
}
List <Point2d> poly = PolygonUtility.SmoothPolygon(polyOrig, spacingProvided);
if (!ValidateObject.CheckPointList(poly))
{
return(null);
}
Dictionary <int, object> obj = PointUtility.PointSelector(ran, poly);
Point2d pt = (Point2d)obj[0];
int orient = (int)obj[1];
Line2d splitLine = new Line2d(pt, extents, dir);
// push this line right or left or up or down based on ratio
if (dir == 0)
{
splitLine = LineUtility.Move(splitLine, 0, orient * distance);
}
else
{
splitLine = LineUtility.Move(splitLine, orient * distance, 0);
}
Dictionary <string, object> intersectionReturn = MakeIntersections(poly, splitLine, spacingProvided);
List <Point2d> intersectedPoints = (List <Point2d>)intersectionReturn["IntersectedPoints"];
List <Polygon2d> splittedPoly = (List <Polygon2d>)intersectionReturn["PolyAfterSplit"];
List <Point2d> ptA = (List <Point2d>)intersectionReturn["PointASide"];
List <Point2d> ptB = (List <Point2d>)intersectionReturn["PointBSide"];
Polygon2d polyA = new Polygon2d(ptA, 0), polyB = new Polygon2d(ptB, 0);
//List<Polygon2d> splittedPoly = new List<Polygon2d>();
//splittedPoly.Add(polyA); splittedPoly.Add(polyB);
return(new Dictionary <string, object>
{
{ "PolyAfterSplit", (splittedPoly) },
{ "SplitLine", (splitLine) },
{ "IntersectedPoints", (intersectedPoints) },
{ "PointASide", (ptA) },
{ "PointBSide", (ptB) }
});
}
public static Dictionary <string, object> SplitByDistanceFromPoint(Polygon2d polyOutline, double distance = 10, int dir = 0, double space = 0)
{
if (polyOutline == null || polyOutline.Points == null || polyOutline.Points.Count == 0)
{
return(null);
}
if (space == 0)
{
space = BuildLayout.SPACING2;
}
double extents = 5000;
int threshValue = 50;
List <Point2d> polyOrig = polyOutline.Points;
List <Point2d> poly = new List <Point2d>();
if (polyOrig.Count > threshValue)
{
poly = polyOrig;
}
else
{
poly = PolygonUtility.SmoothPolygon(polyOrig, space);
}
if (poly == null || poly.Count == 0)
{
return(null);
}
int lowInd = PointUtility.LowestPointFromList(poly);
Point2d lowPt = poly[lowInd];
Line2d splitLine = new Line2d(lowPt, extents, dir);
if (dir == 0)
{
splitLine = LineUtility.Move(splitLine, 0, 1 * distance);
}
else
{
splitLine = LineUtility.Move(splitLine, 1 * distance, 0);
}
Dictionary <string, object> intersectionReturn = MakeIntersections(poly, splitLine, space);
List <Point2d> intersectedPoints = (List <Point2d>)intersectionReturn["IntersectedPoints"];
List <Polygon2d> splittedPoly = (List <Polygon2d>)intersectionReturn["PolyAfterSplit"];
List <Point2d> ptA = (List <Point2d>)intersectionReturn["PointASide"];
List <Point2d> ptB = (List <Point2d>)intersectionReturn["PointBSide"];
return(new Dictionary <string, object>
{
{ "PolyAfterSplit", (splittedPoly) },
{ "SplitLine", (splitLine) },
{ "IntersectedPoints", (intersectedPoints) },
{ "PointASide", (ptA) },
{ "PointBSide", (ptB) }
});
}
public static Dictionary <string, object> SplitByLine(Polygon2d polyOutline, Line2d inputLine, double distance = 5)
{
if (!ValidateObject.CheckPoly(polyOutline))
{
return(null);
}
List <Point2d> polyOrig = polyOutline.Points;
List <Point2d> poly = PolygonUtility.SmoothPolygon(polyOrig, BuildLayout.SPACING);
Line2d splitLine = new Line2d(inputLine);
Point2d centerPoly = PointUtility.CentroidInPointLists(poly);
bool checkSide = ValidateObject.CheckPointSide(splitLine, centerPoly);
int orient = ValidateObject.CheckLineOrient(splitLine);
if (orient == 0)
{
if (!checkSide)
{
splitLine = LineUtility.Move(splitLine, 0, -1 * distance);
}
else
{
splitLine = LineUtility.Move(splitLine, 0, 1 * distance);
}
}
else
{
if (checkSide)
{
splitLine = LineUtility.Move(splitLine, -1 * distance, 0);
}
else
{
splitLine = LineUtility.Move(splitLine, 1 * distance, 0);
}
}
Dictionary <string, object> intersectionReturn = MakeIntersections(poly, splitLine, BuildLayout.SPACING);
List <Polygon2d> splittedPoly = (List <Polygon2d>)intersectionReturn["PolyAfterSplit"];
return(new Dictionary <string, object>
{
{ "PolyAfterSplit", (splittedPoly) },
{ "SplitLine", (splitLine) }
});
}
public static Dictionary <string, object> SplitByRatio(Polygon2d polyOutline, double ratio = 0.5, int dir = 0)
{
if (polyOutline == null)
{
return(null);
}
if (polyOutline != null && polyOutline.Points == null)
{
return(null);
}
double extents = 5000;
double minimumLength = 2, minWidth = 10, aspectRatio = 0, eps = 0.1;
List <Point2d> polyOrig = polyOutline.Points;
List <Point2d> poly = PolygonUtility.SmoothPolygon(polyOrig, BuildLayout.SPACING);
List <double> spans = PolygonUtility.GetSpansXYFromPolygon2d(poly);
double horizontalSpan = spans[0], verticalSpan = spans[1];
Point2d polyCenter = PolygonUtility.CentroidOfPoly(Polygon2d.ByPoints(poly));
if (horizontalSpan < minimumLength || verticalSpan < minimumLength)
{
return(null);
}
if (horizontalSpan > verticalSpan)
{
dir = 1; aspectRatio = horizontalSpan / verticalSpan;
}
else
{
dir = 0; aspectRatio = verticalSpan / horizontalSpan;
}
// adjust ratio
if (ratio < 0.15)
{
ratio = ratio + eps;
}
if (ratio > 0.85)
{
ratio = ratio - eps;
}
if (horizontalSpan < minWidth || verticalSpan < minWidth)
{
ratio = 0.5;
}
Line2d splitLine = new Line2d(polyCenter, extents, dir);
double shift = ratio - 0.5;
if (dir == 0)
{
splitLine = LineUtility.Move(splitLine, 0, shift * verticalSpan);
}
else
{
splitLine = LineUtility.Move(splitLine, shift * horizontalSpan, 0);
}
Dictionary <string, object> intersectionReturn = MakeIntersections(poly, splitLine, BuildLayout.SPACING);
List <Point2d> intersectedPoints = (List <Point2d>)intersectionReturn["IntersectedPoints"];
List <Polygon2d> splittedPoly = (List <Polygon2d>)intersectionReturn["PolyAfterSplit"];
return(new Dictionary <string, object>
{
{ "PolyAfterSplit", (splittedPoly) },
{ "SplitLine", (splitLine) },
{ "IntersectedPoints", (intersectedPoints) }
});
}
internal static Dictionary <string, object> PolygonPolygonCommonEdgeDict(Polygon2d poly, Polygon2d other)
{
bool check = false;
if (poly == null || other == null)
{
return(null);
}
double eps = 200;
Polygon2d polyReg = new Polygon2d(poly.Points);
Polygon2d otherReg = new Polygon2d(other.Points);
Dictionary <string, object> UpdatedCenters = ComputePolyCentersAlign(polyReg, otherReg);
Point2d centerPoly = (Point2d)UpdatedCenters["CenterPolyA"];
Point2d centerOther = (Point2d)UpdatedCenters["CenterPolyB"];
polyReg = (Polygon2d)UpdatedCenters["PolyA"];
otherReg = (Polygon2d)UpdatedCenters["PolyB"];
//make vectors
Vector2d centerToCen = new Vector2d(centerPoly, centerOther);
Vector2d centerToCenX = new Vector2d(centerToCen.X, 0);
Vector2d centerToCenY = new Vector2d(0, centerToCen.Y);
//make centerLine
Line2d centerLine = new Line2d(centerPoly, centerOther);
Vector2d keyVec;
if (centerToCenX.Length > centerToCenY.Length)
{
keyVec = new Vector2d(centerToCenX.X, centerToCenX.Y);
}
else
{
keyVec = new Vector2d(centerToCenY.X, centerToCenY.Y);
}
//check line poly intersection between centertocen vector and each polys
Line2d lineInPolyReg = CodeToBeTested.LinePolygonIntersectionReturnLine(polyReg.Points, centerLine, centerOther);
Line2d lineInOtherReg = CodeToBeTested.LinePolygonIntersectionReturnLine(otherReg.Points, centerLine, centerPoly);
//find distance d1 and d2 from two centers to linepolyintersection line
Point2d projectedPtOnPolyReg = GraphicsUtility.ProjectedPointOnLine(lineInPolyReg, centerPoly);
Point2d projectedPtOnOtherReg = GraphicsUtility.ProjectedPointOnLine(lineInOtherReg, centerOther);
double dist1 = PointUtility.DistanceBetweenPoints(centerPoly, projectedPtOnPolyReg);
double dist2 = PointUtility.DistanceBetweenPoints(centerOther, projectedPtOnOtherReg);
double totalDistance = 2 * (dist1 + dist2);
Line2d lineMoved = new Line2d(lineInPolyReg.StartPoint, lineInPolyReg.EndPoint);
lineMoved = LineUtility.Move(lineMoved, centerPoly);
Point2d projectedPt = GraphicsUtility.ProjectedPointOnLine(lineMoved, centerOther);
double distance = PointUtility.DistanceBetweenPoints(projectedPt, centerOther);
bool isNeighbour = false;
if (totalDistance - eps < distance && distance < totalDistance + eps)
{
isNeighbour = true;
}
else
{
isNeighbour = false;
}
return(new Dictionary <string, object>
{
{ "Neighbour", (isNeighbour) },
{ "SharedEdgeA", (lineInPolyReg) },
{ "SharedEdgeB", (lineInOtherReg) },
{ "LineMoved", (lineMoved) },
{ "CenterToCenterLine", (centerLine) },
{ "CenterPolyPoint", (centerPoly) },
{ "CenterPolyOtherPoint", (centerOther) },
});
}