// Main execution
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
View view = doc.ActiveView;
Selection sel = uidoc.Selection;
// Grab the current building level
FilteredElementCollector colLevels = new FilteredElementCollector(doc)
.WhereElementIsNotElementType()
.OfCategory(BuiltInCategory.INVALID)
.OfClass(typeof(Level));
Level firstLevel = colLevels.FirstElement() as Level;
// LineStyle filter
CurveElementFilter filter = new CurveElementFilter(CurveElementType.ModelCurve);
FilteredElementCollector collector = new FilteredElementCollector(doc);
ICollection <Element> founds = collector.WherePasses(filter).ToElements();
List <CurveElement> importCurves = new List <CurveElement>();
foreach (CurveElement ce in founds)
{
importCurves.Add(ce);
}
var wallCurves = importCurves.Where(x => x.LineStyle.Name == "WALL").ToList();
List <Curve> wallLines = new List <Curve>(); // Algorithm only support walls of line type
foreach (CurveElement ce in wallCurves)
{
wallLines.Add(ce.GeometryCurve as Curve);
}
//double parasStart = wallLines[0].GetEndParameter(0);
//double parasEnd = wallLines[0].GetEndParameter(1);
//wallLines[0].MakeUnbound();
//double _parasStart = wallLines[1].GetEndParameter(0);
//double _parasEnd = wallLines[1].GetEndParameter(1);
//wallLines[1].MakeUnbound();
SetComparisonResult result = wallLines[0].Intersect(wallLines[1], out IntersectionResultArray results);
Debug.Assert(result != SetComparisonResult.Overlap, "Overlap");
Debug.Assert(result != SetComparisonResult.BothEmpty, "BothEmpty");
Debug.Assert(result != SetComparisonResult.Disjoint, "Disjoint");
Debug.Assert(result != SetComparisonResult.Equal, "Equal");
Debug.Assert(result != SetComparisonResult.LeftEmpty, "LeftEmpty");
Debug.Assert(result != SetComparisonResult.RightEmpty, "RightEmpty");
Debug.Assert(result != SetComparisonResult.Subset, "Subset");
Debug.Assert(result != SetComparisonResult.Superset, "Superset");
double radius = Misc.MmToFoot(50);
XYZ ptStart = wallLines[0].GetEndPoint(0);
XYZ ptEnd = wallLines[0].GetEndPoint(1);
XYZ xAxis = new XYZ(1, 0, 0); // The x axis to define the arc plane. Must be normalized
XYZ yAxis = new XYZ(0, 1, 0); // The y axis to define the arc plane. Must be normalized
Curve knob1 = Arc.Create(ptStart, radius, 0, 2 * Math.PI, xAxis, yAxis);
Curve knob2 = Arc.Create(ptEnd, radius, 0, 2 * Math.PI, xAxis, yAxis);
SetComparisonResult result1 = knob1.Intersect(wallLines[1], out IntersectionResultArray results1);
SetComparisonResult result2 = knob2.Intersect(wallLines[1], out IntersectionResultArray results2);
// if (result1 == SetComparisonResult.Disjoint && result2 == SetComparisonResult.Disjoint)
if ((result1 == SetComparisonResult.Overlap || result1 == SetComparisonResult.Subset ||
result1 == SetComparisonResult.Superset || result1 == SetComparisonResult.Equal) ||
(result2 == SetComparisonResult.Overlap || result2 == SetComparisonResult.Subset ||
result2 == SetComparisonResult.Superset || result2 == SetComparisonResult.Equal))
{
Debug.Print("INTERSECTED!");
}
else
{
Debug.Print("DISJOINT!");
}
XYZ ptStart1 = wallLines[0].GetEndPoint(0);
XYZ ptEnd1 = wallLines[0].GetEndPoint(1);
XYZ ptStart2 = wallLines[1].GetEndPoint(0);
XYZ ptEnd2 = wallLines[1].GetEndPoint(1);
Line baseline = wallLines[1].Clone() as Line;
baseline.MakeUnbound();
XYZ _ptStart = baseline.Project(ptStart1).XYZPoint;
XYZ _ptEnd = baseline.Project(ptEnd1).XYZPoint;
Debug.Print("_start: " + Misc.PointString(_ptStart));
Debug.Print("_end: " + Misc.PointString(_ptEnd));
Line checkline = Line.CreateBound(_ptStart, _ptEnd);
SetComparisonResult projection = checkline.Intersect(wallLines[1] as Line, out IntersectionResultArray projections);
Debug.Print("Shadowing?" + projection.ToString());
if (projection == SetComparisonResult.Equal)
{
Debug.Print("Shadowing");
}
{
Debug.Print("Departed");
}
Curve proj1 = Arc.Create(_ptStart, radius, 0, 2 * Math.PI, xAxis, yAxis);
Curve proj2 = Arc.Create(_ptEnd, radius, 0, 2 * Math.PI, xAxis, yAxis);
using (Transaction tx = new Transaction(doc))
{
tx.Start("Generate sub-surface and its mark");
Plane Geomplane = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, XYZ.Zero);
SketchPlane sketch = SketchPlane.Create(doc, Geomplane);
ModelCurve modelline1 = doc.Create.NewModelCurve(proj1, sketch) as ModelCurve;
ModelCurve modelline2 = doc.Create.NewModelCurve(proj2, sketch) as ModelCurve;
tx.Commit();
}
return(Result.Succeeded);
}
// Main thread
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
View view = doc.ActiveView;
Selection sel = uidoc.Selection;
double tolerance = app.ShortCurveTolerance;
// Pick Import Instance
ImportInstance import = null;
try
{
Reference r = uidoc.Selection.PickObject(ObjectType.Element, new Util.ElementsOfClassSelectionFilter <ImportInstance>());
import = doc.GetElement(r) as ImportInstance;
}
catch
{
return(Result.Cancelled);
}
if (import == null)
{
System.Windows.MessageBox.Show("CAD not found", "Tips");
return(Result.Cancelled);
}
List <Curve> columnCrvs = Util.TeighaGeometry.ShatterCADGeometry(uidoc, import, "COLUMN", tolerance);
List <Curve> wallCrvs = Util.TeighaGeometry.ShatterCADGeometry(uidoc, import, "WALL", tolerance);
List <Curve> doorCrvs = Util.TeighaGeometry.ShatterCADGeometry(uidoc, import, "DOOR", tolerance);
List <Curve> windowCrvs = Util.TeighaGeometry.ShatterCADGeometry(uidoc, import, "WINDOW", tolerance);
//List<Line> columnLines = Util.CrvsToLines(columnCrvs);
//List<Line> wallLines = Util.CrvsToLines(wallCrvs);
// Merge the overlapped wall boundaries
// Seal the wall boundary by column block
// INPUT List<Line> wallLines, List<Line> columnLines
#region PATCH wallLines
List <Line> patchLines = new List <Line>();
List <XYZ> sectPts = new List <XYZ>();
// Seal the wall when encountered with column
foreach (Curve columnCrv in columnCrvs)
{
sectPts.Clear();
foreach (Line wallCrv in wallCrvs)
{
if (!Algorithm.IsParallel(columnCrv, wallCrv))
{
SetComparisonResult result = wallCrv.Intersect(columnCrv, out IntersectionResultArray results);
if (result != SetComparisonResult.Disjoint)
{
XYZ sectPt = results.get_Item(0).XYZPoint;
sectPts.Add(sectPt);
}
}
else
{
continue;
}
}
if (sectPts.Count() == 2)
{
patchLines.Add(Line.CreateBound(sectPts[0], sectPts[1]));
}
if (sectPts.Count() > 2) // not sure how to solve this
{
Line minPatch = Line.CreateBound(XYZ.Zero, 10000 * XYZ.BasisX);
for (int i = 0; i < sectPts.Count(); i++)
{
for (int j = i + 1; j < sectPts.Count(); j++)
{
if (sectPts[i].DistanceTo(sectPts[j]) > 0.001)
{
Line testPatch = Line.CreateBound(sectPts[i], sectPts[j]);
if (testPatch.Length < minPatch.Length)
{
minPatch = testPatch;
}
}
}
}
patchLines.Add(minPatch);
}
}
// Patch for the wall lines
wallCrvs.AddRange(patchLines);
// Merge lines when they are parallel and almost intersected (knob)
List <Curve> mergeLines = CloseGapAtBreakpoint(wallCrvs);
//
List <Curve> fixedLines = CloseGapAtCorner(mergeLines);
#endregion
// OUTPUT List<Line> fixedLines
// INPUT List<Line> fixedLines
#region Cluster the wallLines by hierarchy
var wallClusters = Algorithm.ClusterByIntersect(fixedLines);
Debug.Print("{0} clustered wall blocks in total", wallClusters.Count);
// Generate boundingbox marker for the wall cluster
List <List <Curve> > wallBlocks = new List <List <Curve> > {
};
foreach (List <Curve> cluster in wallClusters)
{
List <Curve> clusterCrv = cluster;
if (null != Algorithm.CreateBoundingBox2D(clusterCrv))
{
wallBlocks.Add(Algorithm.CreateBoundingBox2D(clusterCrv));
}
}
Debug.Print("{0} clustered wall bounding boxes in total", wallBlocks.Count);
#endregion
// INPUT List<List< Curve >> wallClusters
Debug.Print("WALL LINES PATCH & CLUSTERING COMPLETE!");
// INPUT List<List<Curve>> wallClusters
#region Iterate the generaion of axis
// Wall axes
List <Curve> axes = new List <Curve>();
double bias = Misc.MmToFoot(20);
foreach (List <Curve> wallCluster in wallClusters)
{
List <Line> lines = Misc.CrvsToLines(wallCluster);
for (int i = 0; i < lines.Count; i++)
{
for (int j = 0; j < lines.Count - i; j++)
{
if (Algorithm.IsParallel(lines[i], lines[i + j]) &&
!Algorithm.IsIntersected(lines[i], lines[i + j]))
{
if (Algorithm.LineSpacing(lines[i], lines[i + j]) < Misc.MmToFoot(200) + bias &&
Algorithm.LineSpacing(lines[i], lines[i + j]) > Misc.MmToFoot(200) - bias &&
Algorithm.IsShadowing(lines[i], lines[i + j]))
{
if (Algorithm.GenerateAxis(lines[i], lines[i + j]) != null)
{
axes.Add(Algorithm.GenerateAxis(lines[i], lines[i + j]));
Debug.Print("got it!");
}
}
}
}
}
}
#endregion
// OUTPUT List<Line> axes
Debug.Print("WALL AXIS ITERATION COMPLETE!");
// INPUT List<Curve> doorCrvs
// INPUT List<Curve> windowCrvs
// INPUT List<Line> axes
#region Merge axis joined/overlapped
// Door axes
var doorClusters = Algorithm.ClusterByIntersect(doorCrvs);
List <List <Curve> > doorBlocks = new List <List <Curve> > {
};
foreach (List <Curve> cluster in doorClusters)
{
if (null != Algorithm.CreateBoundingBox2D(cluster))
{
doorBlocks.Add(Algorithm.CreateBoundingBox2D(cluster));
}
}
List <Curve> doorAxes = new List <Curve> {
};
foreach (List <Curve> doorBlock in doorBlocks)
{
List <Curve> doorFrame = new List <Curve> {
};
for (int i = 0; i < doorBlock.Count; i++)
{
int sectCount = 0;
List <Line> fenses = new List <Line>();
foreach (Line line in fixedLines)
{
Curve testCrv = doorBlock[i].Clone();
SetComparisonResult result = RegionDetect.ExtendCrv(testCrv, 0.01).Intersect(line,
out IntersectionResultArray results);
if (result == SetComparisonResult.Overlap)
{
sectCount += 1;
fenses.Add(line);
}
}
if (sectCount == 2)
{
XYZ projecting = fenses[0].Evaluate(0.5, true);
XYZ projected = fenses[1].Project(projecting).XYZPoint;
if (fenses[0].Length > fenses[1].Length)
{
projecting = fenses[1].Evaluate(0.5, true);
projected = fenses[0].Project(projecting).XYZPoint;
}
Line doorAxis = Line.CreateBound(projecting, projected);
doorAxes.Add(doorAxis);
//doorAxes.Add(doorBlock[i]);
}
}
}
// Window axes
var windowClusters = Algorithm.ClusterByIntersect(windowCrvs);
List <List <Curve> > windowBlocks = new List <List <Curve> > {
};
foreach (List <Curve> cluster in windowClusters)
{
if (null != Algorithm.CreateBoundingBox2D(cluster))
{
windowBlocks.Add(Algorithm.CreateBoundingBox2D(cluster));
}
}
List <Curve> windowAxes = new List <Curve> {
};
foreach (List <Curve> windowBlock in windowBlocks)
{
Line axis1 = Line.CreateBound((windowBlock[0].GetEndPoint(0) + windowBlock[0].GetEndPoint(1)).Divide(2),
(windowBlock[2].GetEndPoint(0) + windowBlock[2].GetEndPoint(1)).Divide(2));
Line axis2 = Line.CreateBound((windowBlock[1].GetEndPoint(0) + windowBlock[1].GetEndPoint(1)).Divide(2),
(windowBlock[3].GetEndPoint(0) + windowBlock[3].GetEndPoint(1)).Divide(2));
if (axis1.Length > axis2.Length)
{
windowAxes.Add(axis1);
}
else
{
windowAxes.Add(axis2);
}
}
axes.AddRange(windowAxes);
axes.AddRange(doorAxes);
Debug.Print("Checklist for axes: Door-{0}, Window-{1}, All-{2}", doorAxes.Count, windowAxes.Count,
axes.Count);
List <Curve> axesExtended = new List <Curve>();
foreach (Curve axis in axes)
{
axesExtended.Add(Algorithm.ExtendLine(axis, 200));
}
// Axis merge
List <List <Curve> > axisGroups = Algorithm.ClusterByOverlap(axesExtended);
List <Curve> centerLines = new List <Curve>();
foreach (List <Curve> axisGroup in axisGroups)
{
var merged = Algorithm.FuseLines(axisGroup);
centerLines.Add(merged);
}
#endregion
// OUTPUT List<Line> centerLines
Debug.Print("WINDOW / DOOR LINES JOINED!");
// INPUT List<Curve> columnCrvs
// INPUT List<Line> centerLines
#region Extend and trim the axis (include column corner)
List <List <Curve> > columnGroups = Algorithm.ClusterByIntersect(columnCrvs);
foreach (List <Curve> columnGroup in columnGroups)
{
//List<Line> columnGrouplines = Util.CrvsToLines(columnGroup);
List <Curve> nestLines = new List <Curve>();
for (int i = 0; i < columnGroup.Count; i++)
{
foreach (Line centerLine in centerLines)
{
SetComparisonResult result = columnGroup[i].Intersect(centerLine, out IntersectionResultArray results);
if (result == SetComparisonResult.Overlap)
{
for (int j = 0; j < columnGroup.Count; j++)
{
if (j != i)
{
if (null != ExtendLine(centerLine, columnGroup[j]))
{
nestLines.Add(ExtendLine(centerLine, columnGroup[j]));
}
}
}
}
}
}
Debug.Print("Got nested lines: " + nestLines.Count.ToString());
if (nestLines.Count < 2)
{
continue;
}
else
{
centerLines.AddRange(nestLines);
int count = 0;
for (int i = 1; i < nestLines.Count; i++)
{
if (!Algorithm.IsParallel(nestLines[0], nestLines[i]))
{
count += 1;
}
}
if (count == 0)
{
var patches = Algorithm.CenterLinesOfBox(columnGroup);
foreach (Line patch in patches)
{
if (Algorithm.IsLineIntersectLines(patch, nestLines))
{
centerLines.Add(patch);
}
}
}
}
}
#endregion
// OUTPUT List<Line> centerLines
Debug.Print("AXES JOINED AT COLUMN");
// INPUT List<Line> centerLines
//#The region detect function has fatal bug during boolean union operation
#region Call region detection
// Axis merge
List <List <Curve> > tempStrays = Algorithm.ClusterByOverlap(centerLines);
List <Curve> strays = new List <Curve>();
foreach (List <Curve> tempStray in tempStrays)
{
Curve merged = Algorithm.FuseLines(tempStray);
strays.Add(merged);
}
//var strayClusters = Algorithm.ClusterByIntersect(Util.LinesToCrvs(strays));
//Debug.Print("Cluster of strays: " + strayClusters.Count.ToString());
//Debug.Print("Cluster of strays[0]: " + strayClusters[0].Count.ToString());
//Debug.Print("Cluster of strays[1]: " + strayClusters[1].Count.ToString());
// The RegionCluster method should be applied to each cluster of the strays
// It only works on a bunch of intersected line segments
List <CurveArray> loops = RegionDetect.RegionCluster(strays);
// The boolean union method of the loops needs to fix
var perimeter = RegionDetect.GetBoundary(loops);
var recPerimeter = CloseGapAtBreakpoint(perimeter);
var arrayPerimeter = RegionDetect.AlignCrv(recPerimeter);
for (int i = 0; i < arrayPerimeter.Size; i++)
{
Debug.Print("Line-{0} {1} {2}", i, Misc.PointString(arrayPerimeter.get_Item(i).GetEndPoint(0)),
Misc.PointString(arrayPerimeter.get_Item(i).GetEndPoint(1)));
}
#endregion
// OUTPUT List<CurveArray> loops
Debug.Print("REGION COMPLETE!");
// Get the linestyle of "long-dashed"
FilteredElementCollector fec = new FilteredElementCollector(doc)
.OfClass(typeof(LinePatternElement));
LinePatternElement linePatternElem = fec.FirstElement() as LinePatternElement;
// Main visualization process
using (Transaction tx = new Transaction(doc))
{
tx.Start("Generate Floor");
// Draw wall patch lines
/*
* foreach (Curve patchLine in patchLines)
* {
* DetailLine axis = doc.Create.NewDetailCurve(view, patchLine) as DetailLine;
* GraphicsStyle gs = axis.LineStyle as GraphicsStyle;
* gs.GraphicsStyleCategory.LineColor = new Color(202, 51, 82);
* gs.GraphicsStyleCategory.SetLineWeight(3, gs.GraphicsStyleType);
* }
*/
Plane Geomplane = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, XYZ.Zero);
SketchPlane sketch = SketchPlane.Create(doc, Geomplane);
/*
* // Draw bounding boxes
* foreach (List<Curve> wallBlock in wallBlocks)
* {
* foreach (Curve edge in wallBlock)
* {
* DetailLine axis = doc.Create.NewDetailCurve(view, edge) as DetailLine;
* GraphicsStyle gs = axis.LineStyle as GraphicsStyle;
* gs.GraphicsStyleCategory.LineColor = new Color(210, 208, 185);
* gs.GraphicsStyleCategory.SetLineWeight(1, gs.GraphicsStyleType);
* gs.GraphicsStyleCategory.SetLinePatternId(linePatternElem.Id, gs.GraphicsStyleType);
* }
* }
*/
/*
* // Draw Axes
* Debug.Print("Axes all together: " + strays.Count.ToString());
* foreach (Line centerLine in strays)
* {
* ModelCurve modelline = doc.Create.NewModelCurve(centerLine, sketch) as ModelCurve;
* }
*/
// Draw Regions
foreach (CurveArray loop in loops)
{
foreach (Curve edge in loop)
{
ModelCurve modelline = doc.Create.NewModelCurve(edge, sketch) as ModelCurve;
}
}
foreach (Curve edge in arrayPerimeter)
{
DetailLine axis = doc.Create.NewDetailCurve(view, edge) as DetailLine;
GraphicsStyle gs = axis.LineStyle as GraphicsStyle;
gs.GraphicsStyleCategory.LineColor = new Color(202, 51, 82);
gs.GraphicsStyleCategory.SetLineWeight(8, gs.GraphicsStyleType);
}
tx.Commit();
}
return(Result.Succeeded);
}
