/// <summary>
/// Normalizes all points in the selected subregion to the average elevation of the host surface.
/// </summary>
/// <param name="uiDoc">The document.</param>
private void NormalizeSubregionAndPoints(UIDocument uiDoc)
{
Document doc = uiDoc.Document;
// Pick subregion
TopographySurface subregion = SiteUIUtils.PickSubregion(uiDoc);
TopographySurface toposurface = SiteEditingUtils.GetTopographySurfaceHost(subregion);
IList <XYZ> points = SiteEditingUtils.GetPointsFromSubregionExact(subregion);
// Get elevation of all points on the toposurface
IList <XYZ> allPoints = toposurface.GetPoints();
double elevation = SiteEditingUtils.GetAverageElevation(allPoints);
// Edit scope for all changes
using (TopographyEditScope editScope = new TopographyEditScope(doc, "Edit TS"))
{
editScope.Start(toposurface.Id);
using (Transaction t = new Transaction(doc, "Normalize terrain"))
{
t.Start();
// Change all points to same elevation
toposurface.ChangePointsElevation(points, elevation);
t.Commit();
}
editScope.Commit(new TopographyEditFailuresPreprocessor());
}
}
/// <summary>
/// Deletes a subregion and all topography surface points it contains.
/// </summary>
/// <param name="uiDoc">The document.</param>
public void DeleteSubregionAndPoints(UIDocument uiDoc)
{
Document doc = uiDoc.Document;
// Select subregion
TopographySurface subregion = SiteUIUtils.PickSubregion(uiDoc);
TopographySurface toposurface = SiteEditingUtils.GetTopographySurfaceHost(subregion);
IList <XYZ> points = SiteEditingUtils.GetNonBoundaryPoints(subregion);
// All changes are added to one transaction group - will create one undo item
using (TransactionGroup deleteGroup = new TransactionGroup(doc, "Delete region"))
{
deleteGroup.Start();
// Edit scope to delete points- if there are points in the region
if (points.Count > 0)
{
using (TopographyEditScope editScope = new TopographyEditScope(doc, "Edit TS"))
{
editScope.Start(toposurface.Id);
// Transaction for point deletion
using (Transaction t = new Transaction(doc, "Delete points"))
{
t.Start();
toposurface.DeletePoints(points);
t.Commit();
}
editScope.Commit(new TopographyEditFailuresPreprocessor());
}
}
// Transaction to delete subregion
using (Transaction t2 = new Transaction(doc, "Delete subregion"))
{
t2.Start();
doc.Delete(subregion.Id);
t2.Commit();
}
deleteGroup.Assimilate();
}
}
/// <summary>
/// Changes the elevation of all points in the subregion by a designated delta.
/// </summary>
/// <param name="uiDoc">The document.</param>
/// <param name="elevationDelta">The change in elevation.</param>
public static void ChangeSubregionAndPointsElevation(UIDocument uiDoc, double elevationDelta)
{
Document doc = uiDoc.Document;
// Pick subregion
TopographySurface subregion = PickSubregion(uiDoc);
TopographySurface toposurface = SiteEditingUtils.GetTopographySurfaceHost(subregion);
// Get points
IList <XYZ> points = SiteEditingUtils.GetNonBoundaryPoints(subregion);
if (points.Count == 0)
{
return;
}
// Change in elevation
XYZ delta = elevationDelta * XYZ.BasisZ;
// Edit scope for all changes
using (TopographyEditScope editScope = new TopographyEditScope(doc, "Raise/lower terrain"))
{
editScope.Start(toposurface.Id);
using (Transaction t = new Transaction(doc, "Raise/lower terrain"))
{
t.Start();
// Use MovePoints to change all points relative to their current position
toposurface.MovePoints(points, delta);
t.Commit();
}
editScope.Commit(new TopographyEditFailuresPreprocessor());
}
}
/// <summary>
/// Adds a new retaining pond.
/// </summary>
/// <param name="uiDoc">The document.</param>
/// <param name="pondRadius">The radius of the pond.</param>
private void AddNewRetainingPond(UIDocument uiDoc, double pondRadius)
{
Document doc = uiDoc.Document;
// Find toposurfaces
FilteredElementCollector tsCollector = new FilteredElementCollector(doc);
tsCollector.OfClass(typeof(TopographySurface));
IEnumerable <TopographySurface> tsEnumerable = tsCollector.Cast <TopographySurface>().Where <TopographySurface>(ts => !ts.IsSiteSubRegion);
int count = tsEnumerable.Count <TopographySurface>();
// If there is only on surface, use it. If there is more than one, let the user select the target.
TopographySurface targetSurface = null;
if (count > 1) // tmp
{
targetSurface = SiteUIUtils.PickTopographySurface(uiDoc);
}
else
{
targetSurface = tsEnumerable.First <TopographySurface>();
}
// Pick point and project to plane at toposurface average elevation
XYZ point = SiteUIUtils.PickPointNearToposurface(uiDoc, targetSurface, "Pick point for center of pond.");
double elevation = point.Z;
// Add subregion first, so that any previously existing points can be removed to avoid distorting the new region
// Find material "Water"
FilteredElementCollector collector = new FilteredElementCollector(doc);
collector.OfClass(typeof(Material));
Material mat = collector.Cast <Material>().FirstOrDefault <Material>(m => m.Name == "Water");
// Create subregion curves
List <Curve> curves = new List <Curve>();
curves.Add(Arc.Create(point, pondRadius, 0, Math.PI, XYZ.BasisX, XYZ.BasisY));
curves.Add(Arc.Create(point, pondRadius, Math.PI, 2 * Math.PI, XYZ.BasisX, XYZ.BasisY));
CurveLoop curveLoop = CurveLoop.Create(curves);
List <CurveLoop> curveLoops = new List <CurveLoop>();
curveLoops.Add(curveLoop);
// All changes are added to one transaction group - will create one undo item
using (TransactionGroup addGroup = new TransactionGroup(doc, "Add pond group"))
{
addGroup.Start();
IList <XYZ> existingPoints = null;
// Transacton for adding subregion.
using (Transaction t2 = new Transaction(doc, "Add subregion"))
{
t2.Start();
SiteSubRegion region = SiteSubRegion.Create(doc, curveLoops, targetSurface.Id);
if (mat != null)
{
region.TopographySurface.MaterialId = mat.Id;
}
t2.Commit();
// The boundary points for the subregion cannot be deleted, since they are generated
// to represent the subregion boundary rather than representing real points in the host.
// Get non-boundary points only to be deleted.
existingPoints = SiteEditingUtils.GetNonBoundaryPoints(region.TopographySurface);
// Average elevation of all points in the subregion to use as base elevation for the pond topography
elevation = SiteEditingUtils.GetAverageElevation(region.TopographySurface.GetPoints());
}
// Add the topography points to the target surface via edit scope.
using (TopographyEditScope editScope = new TopographyEditScope(doc, "Edit TS"))
{
editScope.Start(targetSurface.Id);
// Transaction for points changes
using (Transaction t = new Transaction(doc, "Add points"))
{
t.Start();
// Delete existing points first to avoid conflict
if (existingPoints.Count > 0)
{
targetSurface.DeletePoints(existingPoints);
}
// Generate list of points to add
IList <XYZ> points = SiteEditingUtils.GeneratePondPointsSurrounding(new XYZ(point.X, point.Y, elevation - 3), pondRadius);
targetSurface.AddPoints(points);
t.Commit();
}
editScope.Commit(new TopographyEditFailuresPreprocessor());
}
addGroup.Assimilate();
}
}
private Result SlopeSelectedBuildingPad(UIDocument targetUIdoc, ref string message, double maxPointDistInFeet, double targetAngleInRadians)
{
Document doc = targetUIdoc.Document;
Selection sel = targetUIdoc.Selection;
View3D current3dView = doc.ActiveView as View3D;
if (current3dView == null)
{
message = Properties.Messages.SlopeGradingFromPads_Not3DView;
return(Result.Failed);
}
BuildingPad selectedBuildingPad = doc.GetElement(sel.PickObject(ObjectType.Element, new PadSelectionFilter(), Properties.Messages.SlopeGradingFromPads_SelectPad)) as BuildingPad;
//Check if the Pad is associate with a Surface (never seen one doesnt, but anyways)
ElementId topoElementID = selectedBuildingPad.HostId;
if (topoElementID.Equals(ElementId.InvalidElementId))
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;
return(Result.Failed);
}
TopographySurface currentTopo = doc.GetElement(topoElementID) as TopographySurface;
if (currentTopo == null)
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;;
return(Result.Failed);
}
IList <CurveLoop> PadBoundaryLoops = new List <CurveLoop>();
CurveLoop outerLoop = null;
IList <Reference> TopFacesReferences = HostObjectUtils.GetTopFaces(selectedBuildingPad);
if (TopFacesReferences.Count > 1)
{
message = Properties.Messages.SlopeGradingFromPads_PadsWithMoreThanOneUpperFace;
return(Result.Failed);
}
XYZ plannarDirection = XYZ.BasisZ;
XYZ plannarOrigin = XYZ.Zero;
// interate on the only face
foreach (Reference currentFaceRef in TopFacesReferences)
{
GeometryObject currentFaceObj = selectedBuildingPad.GetGeometryObjectFromReference(currentFaceRef);
if (currentFaceObj is PlanarFace)
{
PlanarFace currentPlanarFace = currentFaceObj as PlanarFace;
plannarDirection = currentPlanarFace.FaceNormal;
plannarOrigin = currentPlanarFace.Origin;
PadBoundaryLoops = currentPlanarFace.GetEdgesAsCurveLoops();
}
else
{
message = Properties.Messages.SlopeGradingFromPads_UpperFaceNotPlanar;
return(Result.Failed);
}
}
//Sort the curves so the outer loop comes first
IList <IList <CurveLoop> > curveLoopLoop = ExporterIFCUtils.SortCurveLoops(PadBoundaryLoops);
if (curveLoopLoop.Count > 0)
{
IList <CurveLoop> firstList = curveLoopLoop.First();
if (firstList.Count > 0)
{
outerLoop = firstList.First();
}
}
if (outerLoop == null)
{
message = Properties.Messages.SlopeGradingFromPads_OuterLoopIssue;
return(Result.Failed);
}
//This will be the list of elements that the ReferenceIntersector will shoot the rays
//If we try to shoot the rays only in the toposurface and the it has subregions, the reference
//intersection will not recognize these regions, so its necessary to shoot rays to the surface and its subregions
IList <ElementId> currentSubRegionsAndSurface = currentTopo.GetHostedSubRegionIds();
currentSubRegionsAndSurface.Add(topoElementID);
//Search for the max distance from the Pad to the topography
//Doesnt matter if it is upwards or downwards, but we will check that, since the ray has to go to one direction
//This is to estabilish what the distance will be using to create the slope to the right amount
ReferenceIntersector topoRefIntersec = new ReferenceIntersector(currentSubRegionsAndSurface, FindReferenceTarget.Mesh, current3dView);
double maxDist = double.NegativeInfinity;
foreach (Curve currentCurve in outerLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointToEvaluate = currentCurve.Evaluate(currentParameter, true);
ReferenceWithContext currentRefContext = topoRefIntersec.FindNearest(currentPointToEvaluate, XYZ.BasisZ);
if (currentRefContext == null)
{
currentRefContext = topoRefIntersec.FindNearest(currentPointToEvaluate, XYZ.BasisZ.Negate());
}
if (currentRefContext == null)
{
continue;
}
double currentDist = currentRefContext.Proximity;
if (currentDist > maxDist)
{
maxDist = currentDist;
}
}
}
// if we haven't changed the maxdist yet, something went wrong
if (maxDist == double.NegativeInfinity)
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;
return(Result.Failed);
}
//Estabilish the offset from the pad
double offsetDist = maxDist / Math.Tan(targetAngleInRadians);
using (TopographyEditScope topoEditGroup = new TopographyEditScope(doc, Properties.Messages.SlopeGradingFromPads_Transaction))
{
topoEditGroup.Start(topoElementID);
using (Transaction t = new Transaction(doc, Properties.Messages.SlopeGradingFromPads_Transaction))
{
t.Start();
CurveLoop offsetLoop = null;
try
{
offsetLoop = CurveLoop.CreateViaOffset(outerLoop, offsetDist, plannarDirection);
}
catch
{
message += Properties.Messages.SlopeGradingFromPads_OuterOffsetLoopIssue;
return(Result.Failed);
}
#region DebugCurve Loop
//Plane p = new Plane(plannarDirection, plannarOrigin);
//SketchPlane sktP = SketchPlane.Create(doc, p);
//foreach (Curve currentOffsetCurve in offsetLoop)
//{
// doc.Create.NewModelCurve(currentOffsetCurve, sktP);
//}
#endregion
foreach (Curve currentOffsetCurve in offsetLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentOffsetCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointOffset = currentOffsetCurve.Evaluate(currentParameter, true);
ReferenceWithContext currentRefContext = topoRefIntersec.FindNearest(currentPointOffset, XYZ.BasisZ);
if (currentRefContext == null)
{
currentRefContext = topoRefIntersec.FindNearest(currentPointOffset, XYZ.BasisZ.Negate());
}
//if we couldn't find points upwards and downwards, the topo is near the border, so we cant add points
if (currentRefContext == null)
{
continue;
}
Reference currentReference = currentRefContext.GetReference();
XYZ currentPointToAdd = currentReference.GlobalPoint;
if (currentTopo.ContainsPoint(currentPointToAdd))
{
continue;
}
IList <XYZ> ListPointToAdd = new List <XYZ>();
ListPointToAdd.Add(currentPointToAdd);
currentTopo.AddPoints(ListPointToAdd);
}
}
foreach (Curve currentCurve in outerLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointToAdd = currentCurve.Evaluate(currentParameter, true);
if (currentTopo.ContainsPoint(currentPointToAdd))
{
continue;
}
IList <XYZ> ListPointToAdd = new List <XYZ>();
ListPointToAdd.Add(currentPointToAdd);
currentTopo.AddPoints(ListPointToAdd);
}
}
t.Commit();
}
topoEditGroup.Commit(new TopographyFailurePreprocessor());
return(Result.Succeeded);
}
}
/// <summary>
/// Moves a subregion and the associated topography to a new user-selected location.
/// </summary>
/// <param name="uiDoc">The document.</param>
private void MoveSubregionAndPoints(UIDocument uiDoc)
{
Document doc = uiDoc.Document;
// Pick subregion
TopographySurface subregion = SiteUIUtils.PickSubregion(uiDoc);
TopographySurface toposurface = SiteEditingUtils.GetTopographySurfaceHost(subregion);
IList <XYZ> points = SiteEditingUtils.GetPointsFromSubregionExact(subregion);
XYZ sourceLocation = SiteEditingUtils.GetCenterOf(subregion);
// Pick target location
XYZ targetPoint = SiteUIUtils.PickPointNearToposurface(uiDoc, toposurface, "Pick point to move to");
// Delta for the move
XYZ delta = targetPoint - sourceLocation;
// All changes are added to one transaction group - will create one undo item
using (TransactionGroup moveGroup = new TransactionGroup(doc, "Move subregion and points"))
{
moveGroup.Start();
// Get elevation of region in current location
IList <XYZ> existingPointsInCurrentLocation = subregion.GetPoints();
double existingElevation = SiteEditingUtils.GetAverageElevation(existingPointsInCurrentLocation);
// Move subregion first - allows the command delete existing points and adjust elevation to surroundings
using (Transaction t2 = new Transaction(doc, "Move subregion"))
{
t2.Start();
ElementTransformUtils.MoveElement(doc, subregion.Id, delta);
t2.Commit();
}
// The boundary points for the subregion cannot be deleted, since they are generated
// to represent the subregion boundary rather than representing real points in the host.
// Get non-boundary points only to be deleted.
IList <XYZ> existingPointsInNewLocation = SiteEditingUtils.GetNonBoundaryPoints(subregion);
// Average elevation of all points in the subregion.
double newElevation = SiteEditingUtils.GetAverageElevation(subregion.GetPoints());
// Adjust delta for elevation based on calculated values
delta = SiteEditingUtils.MoveXYZToElevation(delta, newElevation - existingElevation);
// Edit scope for points changes
using (TopographyEditScope editScope = new TopographyEditScope(doc, "Edit TS"))
{
editScope.Start(toposurface.Id);
using (Transaction t = new Transaction(doc, "Move points"))
{
t.Start();
// Delete existing points from target region
if (existingPointsInNewLocation.Count > 0)
{
toposurface.DeletePoints(existingPointsInNewLocation);
}
// Move points from source region
toposurface.MovePoints(points, delta);
t.Commit();
}
editScope.Commit(new TopographyEditFailuresPreprocessor());
}
moveGroup.Assimilate();
}
}
