public static string Description(this LinkConstraint constraint)
{
if (constraint == null)
{
return("null constraint");
}
string desc = constraint.XtoX ? "x" : "f";
desc += constraint.YtoY ? "x" : "f";
desc += constraint.ZtoZ ? "x" : "f";
desc += constraint.XXtoXX ? "x" : "f";
desc += constraint.YYtoYY ? "x" : "f";
desc += constraint.ZZtoZZ ? "x" : "f";
desc += constraint.XtoYY ? "x" : "f";
desc += constraint.XtoZZ ? "x" : "f";
desc += constraint.YtoXX ? "x" : "f";
desc += constraint.YtoZZ ? "x" : "f";
desc += constraint.ZtoXX ? "x" : "f";
desc += constraint.ZtoYY ? "x" : "f";
return(desc);
}
/***************************************************/
private bool CreateObject(LinkConstraint bhLinkConstraint)
{
string name = bhLinkConstraint.Name;
bool[] dof = new bool[6];
for (int i = 0; i < 6; i++)
{
dof[i] = true;
}
bool[] fix = new bool[6];
fix[0] = bhLinkConstraint.XtoX;
fix[1] = bhLinkConstraint.ZtoZ;
fix[2] = bhLinkConstraint.YtoY;
fix[3] = bhLinkConstraint.XXtoXX;
fix[4] = bhLinkConstraint.ZZtoZZ;
fix[5] = bhLinkConstraint.YYtoYY;
double[] stiff = new double[6];
double[] damp = new double[6];
int ret = m_model.PropLink.SetLinear(name, ref dof, ref fix, ref stiff, ref damp, 0, 0);
if (ret != 0)
{
CreateElementError("Link Constraint", name);
}
return(ret == 0);
}
/***************************************************/
private bool CreateObject(RigidLink bhLink)
{
bool success = true;
int retA = 0;
int retB = 0;
string name = "";
string givenName = "";
string bhId = bhLink.CustomData[AdapterId].ToString();
name = bhId;
LinkConstraint constraint = bhLink.Constraint;//not used yet
Node masterNode = bhLink.MasterNode;
List <Node> slaveNodes = bhLink.SlaveNodes;
bool multiSlave = slaveNodes.Count() == 1 ? false : true;
//double XI = masterNode.Position.X;
//double YI = masterNode.Position.Y;
//double ZI = masterNode.Position.Z;
for (int i = 0; i < slaveNodes.Count(); i++)
{
//double XJ = slaveNodes[i].Position.X * 1000;//multiply by 1000 to compensate for Etabs strangeness: yes, one end is divided by 1000 the other end is not!
//double YJ = slaveNodes[i].Position.Y * 1000;
//double ZJ = slaveNodes[i].Position.Z * 1000;
name = multiSlave == true ? name + ":::" + i : name;
//retA = model.LinkObj.AddByCoord(XI, YI, ZI, XJ, YJ, ZJ, ref givenName, false, "Default", name);
retA = m_model.LinkObj.AddByPoint(masterNode.CustomData[AdapterId].ToString(), slaveNodes[i].CustomData[AdapterId].ToString(), ref givenName, false, constraint.Name, name);
}
return(success);
}
/***************************************************/
private List <LinkConstraint> ReadLinkConstraints(List <string> ids = null)
{
List <LinkConstraint> propList = new List <LinkConstraint>();
int nameCount = 0;
string[] names = { };
if (ids == null)
{
m_model.PropLink.GetNameList(ref nameCount, ref names);
ids = names.ToList();
}
foreach (string id in ids)
{
eLinkPropType linkType = eLinkPropType.Linear;
m_model.PropLink.GetTypeOAPI(id, ref linkType);
LinkConstraint constr = Helper.LinkConstraint(id, linkType, m_model);
if (constr != null)
{
propList.Add(constr);
}
else
{
Engine.Reflection.Compute.RecordError("Failed to read link constraint with id :" + id);
}
}
return(propList);
}
/***************************************************/
public static void ToSAP2000(this LinkConstraint linkConstraint, out bool[] dof, out bool[] fix, out double[] stiff, out double[] damp, out double dj2, out double dj3)
{
dof = new bool[6] {
true, true, true, true, true, true
};
fix = new bool[6] {
linkConstraint.XtoX,
linkConstraint.YtoY,
linkConstraint.ZtoZ,
linkConstraint.XXtoXX,
linkConstraint.YYtoYY,
linkConstraint.ZZtoZZ
};
stiff = new double[6] {
0, 0, 0, 0, 0, 0
};
damp = new double[6] {
0, 0, 0, 0, 0, 0
};
dj2 = 0;
dj3 = 0;
}
/***************************************************/
private bool CreateObject(RigidLink bhLink)
{
bool success = true;
List <string> linkIds = new List <string>();
List <object> guids = new List <object>();
LinkConstraint constraint = bhLink.Constraint;//not used yet
Node primaryNode = bhLink.PrimaryNode;
List <Node> secondaryNodes = bhLink.SecondaryNodes;
ETABSId multiId = new ETABSId();
for (int i = 0; i < secondaryNodes.Count(); i++)
{
string name = "";
string guid = null;
m_model.LinkObj.AddByPoint(GetAdapterId <string>(primaryNode), GetAdapterId <string>(secondaryNodes[i]), ref name, false, constraint.DescriptionOrName());
m_model.LinkObj.GetGUID(name, ref guid);
linkIds.Add(name);
}
multiId.Id = linkIds;
bhLink.SetAdapterId(multiId);
return(success);
}
/***************************************************/
public static LinkConstraint LinkConstraintZPlatePin(string name = "z-Plate Pin")
{
LinkConstraint constr = new LinkConstraint();
constr.ZtoZ = true;
constr.ZtoXX = true;
constr.ZtoYY = true;
constr.Name = name;
return(constr);
}
public static LinkConstraint LinkConstraintXYPlanePin(string name = "xy-Plane Pin")
{
LinkConstraint constr = new LinkConstraint();
constr.XtoX = true;
constr.XtoZZ = true;
constr.YtoY = true;
constr.YtoZZ = true;
constr.Name = name;
return(constr);
}
/***************************************************/
/**** Public Methods ****/
/***************************************************/
public static LinkConstraint LinkConstraintYPlateZPlate(string name = "z-Plate")
{
LinkConstraint constr = new LinkConstraint();
constr.ZtoZ = true;
constr.ZtoXX = true;
constr.ZtoYY = true;
constr.XXtoXX = true;
constr.YYtoYY = true;
constr.Name = name;
return(constr);
}
/***************************************************/
public static LinkConstraint LinkConstraintXPlate(string name = "x-Plate")
{
LinkConstraint constr = new LinkConstraint();
constr.XtoX = true;
constr.XtoYY = true;
constr.XtoZZ = true;
constr.YYtoYY = true;
constr.ZZtoZZ = true;
constr.Name = name;
return(constr);
}
public static LinkConstraint LinkConstraintPinned(string name = "Pinned")
{
bool[] fixities = new bool[12];
for (int i = 0; i < 9; i++)
{
fixities[i] = true;
}
LinkConstraint constr = LinkConstraint(name, fixities.ToList());
return(constr);
}
/***************************************************/
/**** Private methods ****/
/***************************************************/
private bool CreateCollection(IEnumerable <RigidLink> links)
{
if (links.Count() > 0)
{
int linkIdNum = 0;
int lineIdNum = 0;
List <RigidLink> linkList = links.ToList();
rf.Member[] rfLinks = new rf.Member[linkList.Count()];
for (int i = 0; i < links.Count(); i++)
{
linkIdNum = GetAdapterId <int>(linkList[i]);
//check for multiple secondary nodes
if (linkList[i].SecondaryNodes.Count > 1)
{
Engine.Base.Compute.RecordWarning("Multiple secondary nodes detected! Link no. " + linkIdNum + " was created using only the first secondary node!");
}
//create line
lineIdNum = modelData.GetLineCount() + 1;
rf.Line centreLine = new rf.Line();
int startNodeId = GetAdapterId <int>(linkList[i].PrimaryNode);
int endNodeId = GetAdapterId <int>(linkList[i].SecondaryNodes[0]);
centreLine.NodeList = String.Join(",", new int[] { startNodeId, endNodeId });
centreLine.Type = rf.LineType.PolylineType;
modelData.SetLine(centreLine);
rf.Member rfLink = new rf.Member();
rfLink.No = linkIdNum;
rfLink.LineNo = lineIdNum;
rfLink.Type = rf.MemberType.Rigid;
LinkConstraint lc = linkList[0].Constraint;
if (lc != null)
{
if (lc.XtoX != true || lc.YtoY != true || lc.ZtoZ != true || lc.XXtoXX != true || lc.YYtoYY != true || lc.ZZtoZZ != true)
{
Engine.Base.Compute.RecordWarning("Hinges on RigidLinks are not supported. Member no. " + linkIdNum + " created as fixed!");
}
}
modelData.SetMember(rfLink);
}
//modelData.SetMembers(rfBars);
}
return(true);
}
/***************************************************/
/**** Private Methods ****/
/***************************************************/
private List <LinkConstraint> ReadLinkConstraints(List <string> ids = null)
{
List <LinkConstraint> propList = new List <LinkConstraint>();
int nameCount = 0;
string[] nameArr = { };
m_model.PropLink.GetNameList(ref nameCount, ref nameArr);
ids = FilterIds(ids, nameArr);
foreach (string id in ids)
{
eLinkPropType linkType = eLinkPropType.Linear;
m_model.PropLink.GetTypeOAPI(id, ref linkType);
LinkConstraint constr = new LinkConstraint();
SAP2000Id sap2000id = new SAP2000Id();
sap2000id.Id = id;
constr.SetAdapterId(sap2000id);
switch (linkType)
{
case eLinkPropType.Linear:
constr = GetLinearLinkConstraint(id);
break;
case eLinkPropType.Damper:
case eLinkPropType.Gap:
case eLinkPropType.Hook:
case eLinkPropType.PlasticWen:
case eLinkPropType.Isolator1:
case eLinkPropType.Isolator2:
case eLinkPropType.MultilinearElastic:
case eLinkPropType.MultilinearPlastic:
case eLinkPropType.Isolator3:
default:
Engine.Base.Compute.RecordWarning($"Reading of LinkConstraint of type {linkType} not implemented. {id} will be returned as an empty LinkConstraint");
break;
}
propList.Add(constr);
}
return(propList);
}
/***************************************************/
/**** Private Methods ****/
/***************************************************/
private bool CreateObject(LinkConstraint bhLinkConstraint)
{
string name = bhLinkConstraint.DescriptionOrName();
bool[] dof;
bool[] fix;
double[] stiff;
double[] damp;
double dj2;
double dj3;
bhLinkConstraint.ToSAP2000(out dof, out fix, out stiff, out damp, out dj2, out dj3);
if (m_model.PropLink.SetLinear(name, ref dof, ref fix, ref stiff, ref damp, dj2, dj3) != 0)
{
Engine.Base.Compute.RecordWarning($"SAP returned an error pushing LinkConstraint {name}. Check results.");
}
SetAdapterId(bhLinkConstraint, name);
return(true);
}
/***************************************************/
private LinkConstraint GetLinearLinkConstraint(string name)
{
bool[] dof = null;
bool[] fix = null;
double[] stiff = null;
double[] damp = null;
double dj2 = 0; //Not sure what this is doing
double dj3 = 0; //Not sure what this is doing
bool stiffCoupled = false;
bool dampCoupled = false;
string notes = null;
string guid = null;
m_model.PropLink.GetLinear(name, ref dof, ref fix, ref stiff, ref damp, ref dj2, ref dj3, ref stiffCoupled, ref dampCoupled, ref notes, ref guid);
LinkConstraint constraint = new LinkConstraint();
constraint.Name = name;
SetAdapterId(constraint, name);
constraint.XtoX = fix[0];
constraint.ZtoZ = fix[1];
constraint.YtoY = fix[2];
constraint.XXtoXX = fix[3];
constraint.YYtoYY = fix[4];
constraint.ZZtoZZ = fix[5];
if (stiff != null && stiff.Any(x => x != 0))
{
Engine.Base.Compute.RecordWarning("No stiffness read for link constraints");
}
if (damp != null && damp.Any(x => x != 0))
{
Engine.Base.Compute.RecordWarning("No damping read for link contraint");
}
return(constraint);
}
public static RigidLink RigidLink(Node masterNode, IEnumerable <Node> slaveNodes, LinkConstraint constraint = null, string name = "")
{
return(new RigidLink
{
Name = name,
PrimaryNode = masterNode,
SecondaryNodes = slaveNodes.ToList(),
Constraint = constraint == null?LinkConstraintFixed() : constraint
});
}
/***************************************************/
/**** Private Methods ****/
/***************************************************/
private List <RigidLink> ReadRigidLink(List <string> ids = null)
{
List <RigidLink> linkList = new List <RigidLink>();
Dictionary <string, Node> bhomNodes = ReadNodes().ToDictionary(x => GetAdapterId <string>(x));
Dictionary <string, LinkConstraint> bhomLinkConstraints = ReadLinkConstraints().ToDictionary(x => GetAdapterId <string>(x));
//Read all links, filter by id at end, so that we can join multi-links.
int nameCount = 0;
string[] nameArr = { };
m_model.LinkObj.GetNameList(ref nameCount, ref nameArr);
foreach (string id in nameArr)
{
RigidLink newLink = new RigidLink();
SAP2000Id sap2000id = new SAP2000Id();
string guid = null;
sap2000id.Id = id;
try
{
string primaryId = "";
string secondaryId = "";
string propName = "";
m_model.LinkObj.GetPoints(id, ref primaryId, ref secondaryId);
newLink.PrimaryNode = bhomNodes[primaryId];
newLink.SecondaryNodes = new List <Node> {
bhomNodes[secondaryId]
};
if (m_model.LinkObj.GetProperty(id, ref propName) == 0)
{
LinkConstraint bhProp = new LinkConstraint();
bhomLinkConstraints.TryGetValue(propName, out bhProp);
newLink.Constraint = bhProp; m_model.LinkObj.GetProperty(id, ref propName);
}
else
{
Engine.Base.Compute.RecordWarning("Could not get link property for RigidLink " + id + ".");
}
// Get the groups the link is assigned to
int numGroups = 0;
string[] groupNames = new string[0];
if (m_model.LinkObj.GetGroupAssign(id, ref numGroups, ref groupNames) == 0)
{
foreach (string grpName in groupNames)
{
newLink.Tags.Add(grpName);
}
}
if (m_model.LinkObj.GetGUID(id, ref guid) == 0)
{
sap2000id.PersistentId = guid;
}
newLink.SetAdapterId(sap2000id);
linkList.Add(newLink);
}
catch
{
ReadElementError("RigidLink", id.ToString());
}
}
Dictionary <string, RigidLink> joinedLinks = BH.Engine.Adapters.SAP2000.Query.JoinRigidLink(linkList).ToDictionary(x => x.Name);
ids = FilterIds(ids, joinedLinks.Keys);
if (ids != null)
{
return(joinedLinks
.Where(x => ids.Contains(x.Key))
.Select(x => x.Value).ToList());
}
else
{
return(joinedLinks.Values.ToList());
}
}
/***************************************************/
/**** Public Methods ****/
/***************************************************/
public static RigidLink RigidLink(Node masterNode, IEnumerable <Node> slaveNodes, LinkConstraint constraint = null)
{
return(new RigidLink
{
MasterNode = masterNode,
SlaveNodes = slaveNodes.ToList(),
Constraint = constraint == null?LinkConstraintFixed() : constraint
});
}
public static RigidLink RigidLink(Node masterNode, IEnumerable <Node> slaveNodes, LinkConstraint constraint = null)
{
return(Engine.Structure.Create.RigidLink(masterNode, slaveNodes, constraint, ""));
}