Command Reference

In the following all components provided by the SOFiSTiK Grasshopper Toolkit are listed.

General

	SOFiSTiK Project Combine the entire analytical information required for a structural analysis
	Read Spreadsheet Read information from a spreadsheet file created with Excel or LibreOffice
	Text File Stream text to a file by specifying the path in the file-system
	ASE Generate CadInp code for ASE that contains necessary information for a structural analysis

Section

	ReadSection | CDB Create a section by reading its information from a SOFiSTiK Cdb
	ReadSection | Json Create a section from a JSON representation
	Section | Brep Create a section from brep geometry
	WriteSection | Json Convert a section to a JSON representation
	Composite Section Create a section by combining a master section with several sub sections
	Section Sequence Create a sequence of sections along an Axis
	Modify Section Modify a section by assigning new attributes or by changing the values of the variables it depends on
	View Section Place a section in 3d-space as brep and visualize its internal structure
	Section Attributes Specify attributes describing several properties of a section
	Loop Attributes Specify attributes describing several properties of a section loop
	AQUA Generate CadInp code for AQUA that contains the combined sectional information

Structure

	Structural Point Create a structural point from point geometry and additional information
	Structural Line Create a structural line out of any curve geometry and structural information
	Structural Area Create a structural area from a Brep and additional information eg. Thickness, Material…
	Structural Mesh Create a structural mesh and additional information eg. Thickness, Material…
	Rigid Link Create a rigid link between structural points or lines
	Elastic Link Couple structural point or line elements elastically
	Spring Create a spring to add an elastic bedding to structural points or lines
	Bridge Bearing Create a bridge bearing
	Edge Attributes Specify attributes describing several properties of a structural area edge
	SOFiMSHC Generate CadInp Code readable by SOFiSTiK which represents the structural and geometric model

Loads

	Point Load Create load on a point geometry by specifying force and moment vectors
	Line Load Create loads on curve geometries or structural lines
	Area Load Create area loads on breps or structural areas
	Loadcase Attributes Create loadcase attributes to manage different scenarios
	SOFiLOAD Generate SOFiLOAD input by transitioning the combined load information to CadInp syntax

Axis Geometry

	Geometry Axis Create a geometry axis
	Offset Curve Creates a offsetted curve along a given curve
	ReadAxis | CDB Read a geometry axis from a SOFiSTiK Cdb and return the corresponding curve as well as optional axis properties
	ReadAxis | LandXML Read a geometry axis from a LandXML file
	Reparameterize Curve Reparameterizes a curve to arc length in 3d or projected view
	Alignment Create an alignment axis consisting of horizontal and vertical alignment data
	Horizontal Alignment Create a horizontal alignment as basis for an alignment axis
	Vertical Alignment Create a vertical alignment for an alignment axis

Axis Based Modeling

	Axis Definition Create an axis definition that combines modeling information consisting of rail curves, sections, placements and variability
	Placement | Parameter Create a placement at an axis station (curve parameter) and configure additional properties like local rotations
	Placement | Plane Create a placement defined by a global plane
	Placement Transform Create transformations which transform arbitrary geometry from a source plane to placements on a curve in consideration of the placements’ properties
	Variable Distribution | Points Create a variable and describe the change of its value along the course of a curve by specifying values for specific stations
	Variable Distribution | Expression Create a variable whose value changes according to an expression that depends on the curve’s station
	Axis Variable Distribution Create, view and change axis variables and their corresponding properties
	Evaluate Variable Evaluate an axis variable at a specific station
	Interpolate Solid Create solid geometry by interpolating a section along a rail curve under consideration of possible variability or placements
	Interpolate Surface Create surface geometries by specifying a sequence of section points whose edges get extruded along the axis
	Interpolate Curve Create curve geometries by specifying section points which get extruded along the axis
	Evaluate Section Evaluate axis geometry at a specific station by returning a brep representing the section at this station under consideration of various axis properties
	Interpolation Attributes Define attributes which describe the interpolation process when creating geometry from an axis definition
	Create Identifiers Creates a tree of identifiers based on a guiding tree
	Filter Model Elements Filters generated model elements by axis index, span index and item index

Tendon

	PT Geometry | Spline Create standard duct geometry by specifying horizontal and vertical offsets at specific stations
	PT Geometry | Straight Create stretched tendon geometry by specifying horizontal and vertical offsets at specific stations
	PT Geometry | Curve Create a tendon geometry defined by an arbitrary Rhino curve
	PT Geometry | Profile Create a tendon geometry defined by an horizontal and vertical profile
	PT Profile | Polygon Create a planar PT profile using polygon interpolation points
	PT Profile | Spline Create a planar PT profile using spline interpolation points
	Tendon Definition Create a specific tendon out of tendon geometry and additional information
	Construction Stages Define construction stages used in a 4d analysis
	Plotting Attributes Create attributes defining how tendon specific results are plotted
	PT System Create a prestressing system by specifying various properties
	Jacking Attributes | Eurocode Create tendon attributes according to Eurocode limits
	Jacking Attributes | AASHTO Create tendon attributes according to AASHTO limits
	Jacking Attributes | Direct Create tendon attributes by entering jacking force values directly
	PT Attributes Create tendon attributes for pretensioning
	TENDON Generate CadInp code for Tendon that contains the combined prestressing information