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Data Element Create Curve

Ribbon menu → Elements Tab → Data Elements container → Curve

or

(Classic) Build → Data Elements → Curve → New

Creates a data element curve.

Learn more about Curves.

For the option:	Do the following:
Curve Name	Enter the name that you want assigned to the curve.
Adams Id	Assign a unique ID number to the curve. See Adams Solver ID.
Comments	Add any comments about the curve to help you manage and identify it. See Comments.
Closed	Set to either no to create an open curve or yes to create a closed curve.
Define Using Matrix/ Define Using Subroutine	Set to either: ■Define Using Matrix ■Define Using Subroutine Learn about Defining Data Element Curves.
If you selected Define Using Matrix, the following option appears:
Matrix Name	Enter the matrix name.
Interpolation Order	Specify the order of the b-spline interpolating the curve. The order is 1 plus the degree of the functions used to define the spline. The order also affects the number of points used to determine each spline segment. For example, splines of order 2 are basically polylines, while the segments used to create an spline of order 4 are of the 3rd order. 4 is the default order of splines, which is a cubic b-sline. Note: B-splines of order K will have K - 2 continious derivatives. The discontinuities appear where the polynomial segments joint together. Increasing the order of the b-spline arbitrarily may introduce unwanted oscillation into the curve.
If you selected Define Using Subroutine, the following options appear:
User Function	Enter parameters to the user-written subroutine CURSUB. Enter the user function using the following format where r1 through r30 are constants passed to the subroutine: r1, ..., r30 Learn About Specifying a Subroutine.
Minimum Parameter	Enter the minimum value of the curve parameter for a user-written curve.
Maximum Parameter	Enter the maximum value of the curve parameter for a user-written curve.
Routine	Specify an alternative library and name for the subroutine. Learn about specifying routines with ROUTINE Argument.