Two things
I created a custom component, and for some reason the geometry does not display as a GH preview in the rhino canvas. All of the outputs are lists of either lines or geometry. Strangly enough, when I bake, the geometry suddenly exists in rhino.
Second, I can seem to figure out how to set default numeric values in the component.
Protected Overrides Sub RegisterInputParams(pManager As Grasshopper.Kernel.GH_Component.GH_InputParamManager)
pManager.AddPointParameter("Focal Point", "FP", "The focal point", GH_ParamAccess.item)
pManager.AddNumberParameter("Focal Point Horiz Dist", "D", "Focal point distance from performance boundary", GH_ParamAccess.item)
pManager.AddNumberParameter("Focal Point Height", "H", "Focal point height above performance boundary", GH_ParamAccess.item)
pManager.AddPointParameter("First Row Start Point", "FR", "Location of first row in tiered seating", GH_ParamAccess.item)
pManager.AddNumberParameter("First Row Horiz Dist", "FRD", "First row distance from performance boundary", GH_ParamAccess.item)
pManager.AddNumberParameter("First Row Height", "FRH", "First row height above performance boundary", GH_ParamAccess.item)
pManager.AddNumberParameter("C Value", "C", "C value", GH_ParamAccess.item)
pManager.AddNumberParameter("Row Width", "RW", "Row width", GH_ParamAccess.item)
pManager.AddIntegerParameter("Number of Rows", "RN", "Number of Rows", GH_ParamAccess.item)
pManager.AddIntegerParameter("Construction Tolerance", "CT", "Construction Tolerance: 1=1in, 2=1/2in, 4=1/4in, 8=1/8in", GH_ParamAccess.item)
pManager.AddNumberParameter("Max Riser Height", "MR", "Maximum riser height allowed", GH_ParamAccess.item)
pManager.AddGeometryParameter("Spectator", "S", "Seated/Standing spectator", GH_ParamAccess.item)
End Sub
Protected Overrides Sub RegisterOutputParams(pManager As Grasshopper.Kernel.GH_Component.GH_OutputParamManager)
pManager.AddLineParameter("Sightlines", "SL", "Sightlines", GH_ParamAccess.list)
pManager.AddLineParameter("C Value", "CL", "Line represents C value height", GH_ParamAccess.list)
pManager.AddLineParameter("Ground Line", "GL", "Ground Line", GH_ParamAccess.list)
pManager.AddLineParameter("Tier tread", "TR", "Line represents tier treads", GH_ParamAccess.list)
pManager.AddLineParameter("Risers", "RI", "Line represents risers", GH_ParamAccess.list)
pManager.AddGeometryParameter("Spectators", "SP", "Seated Standing Spectators", GH_ParamAccess.list)
End Sub
Protected Overrides Sub SolveInstance(DA As IGH_DataAccess)
Dim newLine As New List(Of Line)
Dim newCValue As New List(Of Line)
Dim rowWidthLineList As New List(Of Line)
Dim floorLineList As New List(Of Line)
Dim riserLineList As New List(Of Line)
Dim leghtList As New List(Of String)
Dim newSeated As New List(Of GeometryBase)
Dim inputPoint As Point3d
If (Not DA.GetData(0, inputPoint)) Then Return
Dim viewPointY As Double
If (Not DA.GetData(1, viewPointY)) Then Return
Dim viewPointZ As Double
If (Not DA.GetData(2, viewPointZ)) Then Return
Dim firstRowPoint As Point3d
If (Not DA.GetData(3, firstRowPoint)) Then Return
Dim firstRowY As Double
If (Not DA.GetData(4, firstRowY)) Then Return
Dim firstRowZ As Double
If (Not DA.GetData(5, firstRowZ)) Then Return
Dim cValue As Double
If (Not DA.GetData(6, cValue)) Then Return
Dim rowWidth As Double
If (Not DA.GetData(7, rowWidth)) Then Return
Dim numberOfRows As Integer
If (Not DA.GetData(8, numberOfRows)) Then Return
Dim M As Integer
If (Not DA.GetData(9, M)) Then Return
Dim maxHeight As Double
If (Not DA.GetData(10, maxHeight)) Then Return
Dim seated As GeometryBase
If (Not DA.GetData(11, seated)) Then Return
Call addNewRow(newLine, newCValue, inputPoint, viewPointY, viewPointZ, firstRowPoint, firstRowY, firstRowZ, cValue, numberOfRows, rowWidth, rowWidthLineList, floorLineList, riserLineList, M, maxHeight, seated, newSeated)
DA.SetDataList(0, newLine)
DA.SetDataList(1, newCValue)
DA.SetDataList(2, rowWidthLineList)
DA.SetDataList(3, floorLineList)
DA.SetDataList(4, riserLineList)
DA.SetDataList(5, newSeated)
End Sub
Public Sub addNewRow(---constructor----)
---additional code----
end Sub