private static void SearchWalls(List <LineSegment3d> outLines, List <LineSegment3d> allLines)
{
WallInfor wallInfo = null;
using (var tolerance = new Utils.SafeToleranceOverride())
{
wallInfo = WallRecognizer.getWallinfors(outLines, allLines);
}
if (wallInfo == null)
{
return;
}
// Test Code!
var visited = new HashSet <WallInfor>();
var database = Application.DocumentManager.MdiActiveDocument.Database;
using (var transaction = database.TransactionManager.StartTransaction())
{
var modelspaceId = SymbolUtilityServices.GetBlockModelSpaceId(database);
var modelspace = (BlockTableRecord)transaction.GetObject(modelspaceId, OpenMode.ForWrite);
var color = Color.FromColorIndex(ColorMethod.ByAci, 4); // Cyan
ObjectId layerId = LayerUtils.AddNewLayer(database, "temp-poly2", "Continuous", color);
var currentInfo = wallInfo;
var count = 0;
while (currentInfo != null && currentInfo.outline != null)
{
if (visited.Contains(currentInfo))
{
break;
}
var line = new Line(currentInfo.outline.StartPoint, currentInfo.outline.EndPoint);
line.Color = color;
line.LayerId = layerId;
modelspace.AppendEntity(line);
transaction.AddNewlyCreatedDBObject(line, add: true);
foreach (var innerSeg in currentInfo.innerlines)
{
var innerLine = new Line(innerSeg.StartPoint, innerSeg.EndPoint);
innerLine.Color = color;
innerLine.LayerId = layerId;
modelspace.AppendEntity(innerLine);
transaction.AddNewlyCreatedDBObject(innerLine, add: true);
}
visited.Add(currentInfo);
count++;
currentInfo = currentInfo.next;
if (currentInfo == wallInfo)
{
break;
}
}
transaction.Commit();
}
}
public static void updateInnerLines(LineSegment3d line, LineSegment3d prepareline, double dist, List <LineSegment3d> innerlines)
{
bool haveLinesOverlapped = false;
foreach (LineSegment3d innerLine in innerlines)
{
if (WallRecognizer.isSegmentsProjectionOverlapped(prepareline, innerLine))
{
haveLinesOverlapped = true;
break;
}
}
if (haveLinesOverlapped)
{
// update the innerlines
List <LineSegment3d> preparelines = new List <LineSegment3d>();
foreach (LineSegment3d innerLine in innerlines)
{
if (WallRecognizer.isSegmentsProjectionOverlapped(prepareline, innerLine))
{
Line3d innerline3d = WallRecognizer.toLine3d(innerLine.StartPoint, innerLine.EndPoint);
double innerDist = innerline3d.GetDistanceTo(line.StartPoint);
if (DoubleExtensions.Larger(innerDist, dist))
{
if (!preparelines.Contains(prepareline))
{
preparelines.Add(prepareline);
}
}
else
{
if (!preparelines.Contains(innerLine))
{
preparelines.Add(innerLine);
}
}
}
else
{
if (!preparelines.Contains(innerLine))
{
preparelines.Add(innerLine);
}
}
}
// copy preparelines to innerlines
innerlines.Clear();
foreach (LineSegment3d innerLine in preparelines)
{
innerlines.Add(innerLine);
}
}
else
{
innerlines.Add(prepareline);
}
}
public static List <LineSegment3d> getWallline(LineSegment3d line, IEnumerable <LineSegment3d> entities)
{
double width = maxWallWidth + 1;
// step 1: get the parallel lines in the loop: skip the colinear line
var dir = line.Direction;
var parallelLines = new List <LineSegment3d>();
foreach (LineSegment3d tmpLine in entities)
{
if (line != tmpLine)
{
if (dir.IsParallelTo(tmpLine.Direction) &&
(!tmpLine.IsOn(line.StartPoint) || tmpLine.IsOn(line.EndPoint))) // check if colinear line
{
parallelLines.Add(WallRecognizer.toLineSegment3d(tmpLine.StartPoint, tmpLine.EndPoint));
}
}
}
List <LineSegment3d> innerlines = new List <LineSegment3d>();
// step 2: get poper innerlines
foreach (LineSegment3d line1 in parallelLines)
{
Line3d line3d = WallRecognizer.toLine3d(line1.StartPoint, line1.EndPoint);
// skip the colinear line and the two lines should be projection overlapped
if (!line3d.IsOn(line.StartPoint) && WallRecognizer.isSegmentsProjectionOverlapped(line1, line))
{
double dist = line3d.GetDistanceTo(line.StartPoint);
if (DoubleExtensions.Larger(500, dist))
{
updateInnerLines(line, line1, dist, innerlines);
}
/*// pixel to millemeter
* dist = (dist * MILLIMETER_TO_METER) / PIXEL_TO_M_FACTOR;
* // the dist should > minWallWidth & < maxWallWidth
* if (DoubleExtensions.Larger(dist, minWallWidth) && DoubleExtensions.Larger(maxWallWidth, dist))
* {
* //width = Math.Round(dist);
* updateInnerLines(line1, dist, innerlines);
* }*/
}
}
return(innerlines);
}
public static WallInfor getWallinfors(List <LineSegment3d> outLines, List <LineSegment3d> allLines)
{
WallInfor wallInfor = new WallInfor();
// step1: get the biggest length of outline
var index = 0;
var length = outLines[index].Length;
int size = outLines.Count;
for (int i = 1; i < size; i++)
{
if (DoubleExtensions.Larger(outLines[i].Length, length))
{
index = i;
length = outLines[index].Length;
}
}
var currentWallInfor = wallInfor;
// step2: get the outline wall infor
for (int i = 0; i < size; i++)
{
var line = outLines[(i + index) % size];
// skip the line if it is in part exist wall infor
if (!isPartOfWallinfor(line, wallInfor))
{
List <LineSegment3d> innerlines = WallRecognizer.getWallline(line, allLines);
// set the wall infor
currentWallInfor.outline = line;
currentWallInfor.innerlines = innerlines;
currentWallInfor.next = new WallInfor();
currentWallInfor = currentWallInfor.next;
}
}
return(wallInfor);
}
