protected override void SolveInstance(IGH_DataAccess DA)
{
// 0.import data
Autodesk.Revit.DB.Wall wall = null;
Autodesk.Revit.DB.PointCloudInstance element = null;
double bufferDistance = 0.30; int numPoints = 50000;
if (!DA.GetData("Revit Wall", ref wall))
{
return;
}
if (!DA.GetData("Revit Point Cloud Instance", ref element))
{
return;
}
if (!DA.GetData("bufferDistance", ref bufferDistance))
{
return;
}
if (!DA.GetData("numPoints", ref numPoints))
{
return;
}
// 1.Create selection filter
var width = wall.Width + bufferDistance * 2;
//var width = wall.get_Parameter(BuiltInParameter.WALL_ATTR_WIDTH_PARAM).AsDouble();
//double width = UnitUtils.ConvertFromInternalUnits(wall.WallType.Width, DisplayUnitType);
BoundingBoxXYZ boundingBox = wall.get_BoundingBox(null);
// 2. Compute boundary U
LocationCurve locationCurve_u = wall.Location as LocationCurve;
XYZ endPoint0_u = locationCurve_u.Curve.GetEndPoint(0);
XYZ endPoint1_u = locationCurve_u.Curve.GetEndPoint(1);
var ux = endPoint1_u.X - endPoint0_u.X;
var uy = endPoint1_u.Y - endPoint0_u.Y;
XYZ uxy = new XYZ(ux, uy, 0);
// 3. Compute boudary V
XYZ midpoint = endPoint0_u + ((endPoint1_u - endPoint0_u) / 2);
//var axis = Autodesk.Revit.DB.Line.CreateUnbound(midpoint, XYZ.BasisZ);
//var locationCurve_v=locationCurve_u.Rotate(axis, Math.PI * 0.5);
var endPoint0_v = locationCurve_u.Curve.Evaluate(locationCurve_u.Curve.Length * 0.5 - width * 0.5 * 10 - bufferDistance * 10, false);
var endPoint1_v = locationCurve_u.Curve.Evaluate(locationCurve_u.Curve.Length * 0.5 + width * 0.5 * 10 + bufferDistance * 10, false);
// rotate points 90°
var endPoint0_v_X = (endPoint0_v.X - midpoint.X) * Math.Cos(Math.PI * 0.5) + (endPoint0_v.Y - midpoint.Y) * Math.Sin(Math.PI * 0.5) + midpoint.X;
var endPoint0_v_Y = (endPoint0_v.X - midpoint.X) * -Math.Sin(Math.PI * 0.5) + (endPoint0_v.Y - midpoint.Y) * Math.Cos(Math.PI * 0.5) + midpoint.Y;
var endPoint1_v_X = (endPoint1_v.X - midpoint.X) * Math.Cos(Math.PI * 0.5) + (endPoint1_v.Y - midpoint.Y) * Math.Sin(Math.PI * 0.5) + midpoint.X;
var endPoint1_v_Y = (endPoint1_v.X - midpoint.X) * -Math.Sin(Math.PI * 0.5) + (endPoint1_v.Y - midpoint.Y) * Math.Cos(Math.PI * 0.5) + midpoint.Y;
XYZ boundary0_v = new XYZ(endPoint0_v_X, endPoint0_v_Y, 0);
XYZ boundary1_v = new XYZ(endPoint1_v_X, endPoint1_v_Y, 0);
//XYZ endPoint0_v = locationCurve_u.Curve.GetEndPoint(0);
//XYZ endPoint1_v = locationCurve_u.Curve.GetEndPoint(1);
var vx = boundary1_v.X - boundary0_v.X;
var vy = boundary1_v.Y - boundary0_v.Y;
XYZ vxy = new XYZ(vx, vy, 0);
// 4. Create boundary planes
List <Autodesk.Revit.DB.Plane> planes = new List <Autodesk.Revit.DB.Plane>();
// U boundaries
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(uxy, endPoint0_u));
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(-uxy, endPoint1_u));
// V boundaries
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(vxy, boundary0_v));
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(-vxy, boundary1_v));
// Z boundaries
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(XYZ.BasisZ, boundingBox.Min));
planes.Add(Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(-XYZ.BasisZ, boundingBox.Max));
// Create filter
PointCloudFilter filter = PointCloudFilterFactory.CreateMultiPlaneFilter(planes);
// 5.Fetch point cloud
PointCollection cloudPoints = element.GetPoints(filter, bufferDistance, numPoints);
PointCloud Rh_pointCloud = new PointCloud();
// 6.Convert CloudPoints to rhino point cloud
if (element.HasColor())
{
foreach (CloudPoint point in cloudPoints)
{
// Process each point
Point3d point3d = new Point3d(point.X * 1000, point.Y * 1000, point.Z * 1000);
byte[] bArray = BitConverter.GetBytes(point.Color);
var color = System.Drawing.Color.FromArgb(bArray[0], bArray[1], bArray[2]);
Rh_pointCloud.Add(point3d, color);
}
}
else
{
foreach (CloudPoint point in cloudPoints)
{
// Process each point
Point3d point3d = new Point3d(point.X * 1000, point.Y * 1000, point.Z * 1000);
Rh_pointCloud.Add(point3d);
}
}
// 7.Return Grasshopper Cloud
GH_Cloud GH_pointCloud = new GH_Cloud(Rh_pointCloud);
DA.SetData(0, GH_pointCloud);
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
Selection sel = uidoc.Selection;
try
{
if (uidoc.ActiveView is View3D == false)
{
message = "Você deve estar em uma vista 3d para utilizar este comando. Por favor, entre em uma vista compatível e rode o comando novamente.";
return(Result.Failed);
}
PointCloudInstance pcInstance = doc.GetElement(sel.PickObject(ObjectType.Element, new PointCloundSelectionFilter(), "Por favor, selecione uma nuvem de pontos")) as PointCloudInstance;
if (pcInstance == null)
{
message = "Objeto inválido selecionado. Este comando funciona somente com instancias de nuvem de pontos, por favor, rode o comando novamente e selecione uma nuvem de pontos.";
return(Result.Failed);
}
View3D this3dView = uidoc.ActiveView as View3D;
BoundingBoxXYZ boundingBox = null;
//Use CropBox if there is one to use
if (this3dView.CropBoxActive == true)
{
boundingBox = this3dView.CropBox;
}
else
{
boundingBox = pcInstance.get_BoundingBox(uidoc.ActiveView);
}
List <Plane> planes = new List <Plane>();
XYZ midpoint = (boundingBox.Min + boundingBox.Max) / 2.0;
#if R2016
// X boundaries
planes.Add(new Plane(XYZ.BasisX, boundingBox.Min));
planes.Add(new Plane(-XYZ.BasisX, boundingBox.Max));
// Y boundaries
planes.Add(new Plane(XYZ.BasisY, boundingBox.Min));
planes.Add(new Plane(-XYZ.BasisY, boundingBox.Max));
// Z boundaries
planes.Add(new Plane(XYZ.BasisZ, boundingBox.Min));
planes.Add(new Plane(-XYZ.BasisZ, boundingBox.Max));
#else
// X boundaries
planes.Add(Plane.CreateByNormalAndOrigin(XYZ.BasisX, boundingBox.Min));
planes.Add(Plane.CreateByNormalAndOrigin(-XYZ.BasisX, boundingBox.Max));
// Y boundaries
planes.Add(Plane.CreateByNormalAndOrigin(XYZ.BasisY, boundingBox.Min));
planes.Add(Plane.CreateByNormalAndOrigin(-XYZ.BasisY, boundingBox.Max));
// Z boundaries
planes.Add(Plane.CreateByNormalAndOrigin(XYZ.BasisZ, boundingBox.Min));
planes.Add(Plane.CreateByNormalAndOrigin(-XYZ.BasisZ, boundingBox.Max));
#endif
using (Transaction t = new Transaction(doc, "Criar Topografia"))
{
t.Start();
// Create filter
PointCloudFilter pcFilter = PointCloudFilterFactory.CreateMultiPlaneFilter(planes);
pcInstance.FilterAction = SelectionFilterAction.Highlight;
PointCollection pcColection = pcInstance.GetPoints(pcFilter, pointDistance, pointMaxQuantity);
IList <XYZ> pcPoints = new List <XYZ>();
XYZ origin = pcInstance.GetTotalTransform().Origin;
if (pcColection.Count < 3)
{
t.RollBack();
message = "Número de pontos insuficiente para criar a topografia. Por favor utilize outra nuvem de pontos.";
return(Result.Failed);
}
foreach (XYZ currentPoint in pcColection)
{
XYZ pointCopy = new XYZ(currentPoint.X, currentPoint.Y, currentPoint.Z);
pointCopy = pcInstance.GetTotalTransform().OfPoint(pointCopy);
if (!ListContainsPoint(pcPoints, pointCopy))
{
pcPoints.Add(pointCopy);
}
}
TopographySurface topoSurface = TopographySurface.Create(doc, pcPoints);
t.Commit();
}
}
catch (Exception excep)
{
ExceptionManager eManager = new ExceptionManager(excep);
return(Result.Cancelled);
}
return(Result.Succeeded);
}