/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object can be used to retrieve data from input parameters and
/// to store data in output parameters.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
// First, we need to retrieve all data from the input parameters.
// Then we need to access the input parameters individually.
// When data cannot be extracted from a parameter, we should abort this method.
if (!DA.GetDataList <Dlubal.RFEM5.Line>(0, rfemLinesInput))
{
return;
}
DA.GetData(1, ref sectionIdInput);
DA.GetData(2, ref materialIdInput);
if (!DA.GetData(3, ref rfemHingeStartInput))
{
rfemHingeStartInput.No = -1;
}
if (!DA.GetData(4, ref rfemHingeEndInput))
{
rfemHingeEndInput.No = -1;
}
DA.GetData(5, ref rotationInput); //assignment of rotation angle via Dlubal RFEM API appears not to be working
DA.GetData(6, ref commentsInput);
DA.GetData(7, ref run);
// The actual functionality will be in a method defined below. This is where we run it
if (run == true)
{
//clears and resets all output parameters.
// this is done to ensure that if function is repeadedly run, then parameters are re-read and redefined
RfemMemberList.Clear();
writeSuccess = false;
//runs the method for creating RFEM memebers
RfemMemberList = CreateRfemMembers(rfemLinesInput, sectionIdInput, materialIdInput, rfemHingeStartInput, rfemHingeEndInput, rotationInput, commentsInput);
DA.SetData(1, writeSuccess);
}
else
{
// if "run" is set to false, then also the output parameter "success" is set to false
// this ensures that as soon as "run" toogle is set "false", it automatically updates output.
DA.SetData(1, false);
}
// Finally assign the processed data to the output parameter.
DA.SetDataList(0, RfemMemberList);
//clears and resets all input parameters.
// this is done to ensure that if function is repeadedly run, then parameters are re-read and redefined
rfemLinesInput.Clear();
sectionIdInput = "";
materialIdInput = "";
rfemHingeStartInput = new Dlubal.RFEM5.MemberHinge();
rfemHingeEndInput = new Dlubal.RFEM5.MemberHinge();
rotationInput = 0;
commentsInput = "";
}
private List <Dlubal.RFEM5.Member> CreateRfemMembers(List <Dlubal.RFEM5.Line> rfemLineMethodIn, string sectionIdMethodIn, string materialIdMethodIn, Dlubal.RFEM5.MemberHinge rfemHingeStartMethodIn, Dlubal.RFEM5.MemberHinge rfemHingeEndMethodIn, double rotationMethodIn, string commentsListMethodIn)
{
//---- Interface with RFEM, getting available element numbers ----
#region Estabilishing connection with RFEM, getting available element numbers
// Gets interface to running RFEM application.
IApplication app = Marshal.GetActiveObject("RFEM5.Application") as IApplication;
// Locks RFEM licence
app.LockLicense();
// Gets interface to active RFEM model.
IModel model = app.GetActiveModel();
// Gets interface to model data.
IModelData data = model.GetModelData();
// Gets Max node, line , line support numbers
int currentNewMemberNo = data.GetLastObjectNo(ModelObjectType.MemberObject) + 1;
int currentNewSectionNo = data.GetLastObjectNo(ModelObjectType.CrossSectionObject) + 1;
int currentNewMaterialNo = data.GetLastObjectNo(ModelObjectType.MaterialObject) + 1;
int currentNewHingeNo = data.GetLastObjectNo(ModelObjectType.MemberHingeObject) + 1;
#endregion
//---- Defining material, cross section and releases ----
#region Defining material, cross section and releases
//define material
Dlubal.RFEM5.Material material = new Dlubal.RFEM5.Material();
material.No = currentNewMaterialNo;
material.TextID = materialIdMethodIn;
material.ModelType = MaterialModelType.IsotropicLinearElasticType;
//define cross section
CrossSection tempCrossSection = new CrossSection();
tempCrossSection.No = currentNewSectionNo;
tempCrossSection.TextID = sectionIdMethodIn;
tempCrossSection.MaterialNo = currentNewMaterialNo;
//define member hinge numbers
if (rfemHingeStartInput.No != -1)
{
rfemHingeStartInput.No = currentNewHingeNo;
}
if (rfemHingeEndInput.No != -1)
{
rfemHingeEndMethodIn.No = currentNewHingeNo + 1;
}
#endregion
//---- Process all lines and create members on those ----
#region Processing all lines, creating RFEM member objects
for (int i = 0; i < rfemLineMethodIn.Count; i++)
{
//test if line exists
try
{
data.GetLine(rfemLineMethodIn[i].No, ItemAt.AtNo);
}
catch
{
continue;
}
//assign member properties
Dlubal.RFEM5.Member tempMember = new Dlubal.RFEM5.Member();
tempMember.No = currentNewMemberNo;
tempMember.LineNo = rfemLineMethodIn[i].No;
tempMember.EndCrossSectionNo = currentNewSectionNo;
tempMember.StartCrossSectionNo = currentNewSectionNo;
tempMember.TaperShape = TaperShapeType.Linear;
tempMember.Rotation.Type = RotationType.Angle;
tempMember.Rotation.Angle = rotationMethodIn * (Math.PI / 180);
if (rfemHingeStartInput.No != -1)
{
tempMember.StartHingeNo = currentNewHingeNo;
}
if (rfemHingeEndInput.No != -1)
{
tempMember.EndHingeNo = currentNewHingeNo + 1;
}
tempMember.Comment = commentsListMethodIn;
// if -1 is input as section, member is created as rigid, otherwise it is "standard"
if (sectionIdInput == "-1")
{
tempMember.Type = MemberType.Rigid;
}
else if (sectionIdInput == "0")
{
tempMember.Type = MemberType.NullMember;
}
else
{
tempMember.Type = MemberType.Beam;
}
RfemMemberList.Add(tempMember);
currentNewMemberNo++;
}
#endregion
//---- Writing information in RFEM ----
#region Writing info to RFEM
try
{
// modification - set model in modification mode, new information can be written
data.PrepareModification();
//set material, cross section and start&end hinges
if (sectionIdInput != "-1")
{
data.SetMaterial(material);
data.SetCrossSection(tempCrossSection);
}
if (rfemHingeStartInput.No != -1)
{
data.SetMemberHinge(rfemHingeStartInput);
}
if (rfemHingeEndInput.No != -1)
{
data.SetMemberHinge(rfemHingeEndMethodIn);
}
//This version writes members one-by-one because the data.SetNodes() for array appears not to be working
//data.SetMembers(RfemMembers);
foreach (Member currentRfemMember in RfemMemberList)
{
data.SetMember(currentRfemMember);
}
// finish modification - RFEM regenerates the data
data.FinishModification();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error - Member Write", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
#endregion
//---- Releases interface to RFEM model -----
#region Releasing interface to RFEM
model = null;
// Unlocks licence and releases interface to RFEM application.
if (app != null)
{
app.UnlockLicense();
app = null;
}
// Cleans Garbage Collector and releases all cached COM interfaces.
System.GC.Collect();
System.GC.WaitForPendingFinalizers();
#endregion
//output 'success' as true and return member list
writeSuccess = true;
return(RfemMemberList);
}