/// <summary>
/// Create the rebar at the top of beam, according to the top rebar location
/// </summary>
/// <param name="location">location of rebar which need to be created</param>
/// <returns>the created rebar, return null if the creation is unsuccessful</returns>
private Rebar FillTopBar(TopRebarLocation location)
{
//get the geometry information of the rebar
RebarGeometry geomInfo = m_geometry.GetTopRebar(location);
RebarHookType startHookType = null; //the start hook type of the rebar
RebarHookType endHookType = null; // the end hook type of the rebar
RebarBarType rebarType = null; // the rebar type
RebarHookOrientation startOrient = RebarHookOrientation.Right; // the start hook orient
RebarHookOrientation endOrient = RebarHookOrientation.Left; // the end hook orient
// decide the rebar type, hook type and hook orient according to location
switch (location)
{
case TopRebarLocation.Start:
startHookType = m_topHookType; // start hook type
rebarType = m_topEndType; // rebar type
startOrient = GetTopHookOrient(geomInfo, location); // start hook orient
break;
case TopRebarLocation.Center:
rebarType = m_topCenterType; // rebar type
break;
case TopRebarLocation.End:
endHookType = m_topHookType; // end hook type
rebarType = m_topEndType; // rebar type
endOrient = GetTopHookOrient(geomInfo, location); // end hook orient
break;
}
// create the rebar
return(PlaceRebars(rebarType, startHookType, endHookType,
geomInfo, startOrient, endOrient));
}
/// <summary>
/// Get the hook orient of the top rebar
/// </summary>
/// <param name="geomInfo">the rebar geometry support information</param>
/// <param name="location">the location of top rebar</param>
/// <returns>the hook orient of the top hook</returns>
private RebarHookOrientation GetTopHookOrient(RebarGeometry geomInfo, TopRebarLocation location)
{
// Top center rebar doesn't need hook.
if (TopRebarLocation.Center == location)
{
throw new Exception("Center top rebar doesn't have any hook.");
}
// Get the hook direction, rebar normal and rebar line
Autodesk.Revit.DB.XYZ hookVec = m_geometry.GetDownDirection();
Autodesk.Revit.DB.XYZ normal = geomInfo.Normal;
Line rebarLine = geomInfo.Curves[0] as Line;
// get the top start hook orient
if (TopRebarLocation.Start == location)
{
Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(1), rebarLine.get_EndPoint(0));
return(GeomUtil.GetHookOrient(curveVec, normal, hookVec));
}
else // get the top end hook orient
{
Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(0), rebarLine.get_EndPoint(1));
return(GeomUtil.GetHookOrient(curveVec, normal, hookVec));
}
}
/// <summary>
/// Get the geometry information for top rebar
/// </summary>
/// <param name="location">indicate where top rebar is placed</param>
/// <returns>the gotten geometry information</returns>
public RebarGeometry GetTopRebar(TopRebarLocation location)
{
// sort the points of the swept profile
XYZHeightComparer comparer = new XYZHeightComparer();
m_points.Sort(comparer);
// Get the normal parameter for rebar creation
List <Autodesk.Revit.DB.XYZ> directions = GetRelatedVectors(m_points[3]);
directions.Sort(comparer);
Autodesk.Revit.DB.XYZ normal = directions[1];
double offset = 0; //the offset from the beam surface to the rebar
double startPointOffset = 0; // the offset of start point from swept profile
double rebarLength = m_beamLength / 3; //the length of the rebar
int rebarNumber = BeamRebarData.TopRebarNumber; //the number of the rebar
// set offset and startPointOffset according to the location of rebar
switch (location)
{
case TopRebarLocation.Start: // top start rebar
offset = BeamRebarData.TopEndOffset;
break;
case TopRebarLocation.Center: // top center rebar
offset = BeamRebarData.TopCenterOffset;
startPointOffset = m_beamLength / 3 - 0.5;
rebarLength = m_beamLength / 3 + 1;
break;
case TopRebarLocation.End: // top end rebar
offset = BeamRebarData.TopEndOffset;
startPointOffset = m_beamLength * 2 / 3;
break;
default:
throw new Exception("The program should never go here.");
}
// Get the curve which define the shape of the top rebar curve
List <Autodesk.Revit.DB.XYZ> movedPoints = OffsetPoints(offset);
Autodesk.Revit.DB.XYZ startPoint = movedPoints[movedPoints.Count - 1];
// offset the start point according startPointOffset
startPoint = GeomUtil.OffsetPoint(startPoint, m_drivingVector, startPointOffset);
// get the coordinate of endpoint
Autodesk.Revit.DB.XYZ endPoint = GeomUtil.OffsetPoint(startPoint, m_drivingVector, rebarLength);
IList <Curve> curves = new List <Curve>(); //the profile of the top rebar
curves.Add(Line.CreateBound(startPoint, endPoint));
// the spacing of the rebar
double spacing = spacing = (m_beamWidth - 2 * offset) / (rebarNumber - 1);
// return the rebar geometry information
return(new RebarGeometry(normal, curves, rebarNumber, spacing));
}
/// <summary>
/// Get the hook orient of the top rebar
/// </summary>
/// <param name="geomInfo">the rebar geometry support information</param>
/// <param name="location">the location of top rebar</param>
/// <returns>the hook orient of the top hook</returns>
private RebarHookOrientation GetTopHookOrient(RebarGeometry geomInfo, TopRebarLocation location)
{
// Top center rebar doesn't need hook.
if (TopRebarLocation.Center == location)
{
throw new Exception("Center top rebar doesn't have any hook.");
}
// Get the hook direction, rebar normal and rebar line
Autodesk.Revit.DB.XYZ hookVec = m_geometry.GetDownDirection();
Autodesk.Revit.DB.XYZ normal = geomInfo.Normal;
Line rebarLine = geomInfo.Curves[0] as Line;
// get the top start hook orient
if (TopRebarLocation.Start == location)
{
Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(1), rebarLine.get_EndPoint(0));
return GeomUtil.GetHookOrient(curveVec, normal, hookVec);
}
else // get the top end hook orient
{
Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(0), rebarLine.get_EndPoint(1));
return GeomUtil.GetHookOrient(curveVec, normal, hookVec);
}
}
/// <summary>
/// Create the rebar at the top of beam, according to the top rebar location
/// </summary>
/// <param name="location">location of rebar which need to be created</param>
/// <returns>the created rebar, return null if the creation is unsuccessful</returns>
private Rebar FillTopBar(TopRebarLocation location)
{
//get the geometry information of the rebar
RebarGeometry geomInfo = m_geometry.GetTopRebar(location);
RebarHookType startHookType = null; //the start hook type of the rebar
RebarHookType endHookType = null; // the end hook type of the rebar
RebarBarType rebarType = null; // the rebar type
RebarHookOrientation startOrient = RebarHookOrientation.Right;// the start hook orient
RebarHookOrientation endOrient = RebarHookOrientation.Left; // the end hook orient
// decide the rebar type, hook type and hook orient according to location
switch (location)
{
case TopRebarLocation.Start:
startHookType = m_topHookType; // start hook type
rebarType = m_topEndType; // rebar type
startOrient = GetTopHookOrient(geomInfo, location); // start hook orient
break;
case TopRebarLocation.Center:
rebarType = m_topCenterType; // rebar type
break;
case TopRebarLocation.End:
endHookType = m_topHookType; // end hook type
rebarType = m_topEndType; // rebar type
endOrient = GetTopHookOrient(geomInfo, location); // end hook orient
break;
}
// create the rebar
return PlaceRebars(rebarType, startHookType, endHookType,
geomInfo, startOrient, endOrient);
}
/// <summary>
/// Get the geometry information for top rebar
/// </summary>
/// <param name="location">indicate where top rebar is placed</param>
/// <returns>the gotten geometry information</returns>
public RebarGeometry GetTopRebar(TopRebarLocation location)
{
// sort the points of the swept profile
XYZHeightComparer comparer = new XYZHeightComparer();
m_points.Sort(comparer);
// Get the normal parameter for rebar creation
List<Autodesk.Revit.DB.XYZ > directions = GetRelatedVectors(m_points[3]);
directions.Sort(comparer);
Autodesk.Revit.DB.XYZ normal = directions[1];
double offset = 0; //the offset from the beam surface to the rebar
double startPointOffset = 0; // the offset of start point from swept profile
double rebarLength = m_beamLength / 3; //the length of the rebar
int rebarNumber = BeamRebarData.TopRebarNumber; //the number of the rebar
// set offset and startPointOffset according to the location of rebar
switch (location)
{
case TopRebarLocation.Start: // top start rebar
offset = BeamRebarData.TopEndOffset;
break;
case TopRebarLocation.Center: // top center rebar
offset = BeamRebarData.TopCenterOffset;
startPointOffset = m_beamLength / 3 - 0.5;
rebarLength = m_beamLength / 3 + 1;
break;
case TopRebarLocation.End: // top end rebar
offset = BeamRebarData.TopEndOffset;
startPointOffset = m_beamLength * 2 / 3;
break;
default:
throw new Exception("The program should never go here.");
}
// Get the curve which define the shape of the top rebar curve
List<Autodesk.Revit.DB.XYZ > movedPoints = OffsetPoints(offset);
Autodesk.Revit.DB.XYZ startPoint = movedPoints[movedPoints.Count - 1];
// offset the start point according startPointOffset
startPoint = GeomUtil.OffsetPoint(startPoint, m_drivingVector, startPointOffset);
// get the coordinate of endpoint
Autodesk.Revit.DB.XYZ endPoint = GeomUtil.OffsetPoint(startPoint, m_drivingVector, rebarLength);
IList<Curve> curves = new List<Curve>(); //the profile of the top rebar
curves.Add(Line.get_Bound(startPoint, endPoint));
// the spacing of the rebar
double spacing = spacing = (m_beamWidth - 2 * offset) / (rebarNumber - 1);
// return the rebar geometry information
return new RebarGeometry(normal, curves, rebarNumber, spacing);
}
