4.6. Spline

The Spline command creates and stores a spline into the spline list. The spline must be defined prior to being used. You can select a spline out of the spline list. The interpolation method follows the Interpolation Tye set int the Spline Viewer.

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Figure 4.18 Spline List dialog box

  • No: Shows the number of splines.

  • Name: Shows the name of spline.

  • Information: Shows the number of rows about the defined data.

  • Comment: Shows the comment of the Spline.

  • Create: Creates a spline.

  • Insert: Inserts a spline at the current cursor row.

  • Delete: Deletes a spline at the current cursor row.

  • Create or Insert, and then the Spline dialog box appears.

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    Figure 4.19 Spline dialog box

    • Add Row: Adds a pair of data

    • Insert Row: Inserts a pair of data

    • Delete: Deletes a pair of data

    • Clear: Deletes all data of all rows.

    • Function: Creates a linear line data by inputting Slope and absolute Value. If the user inputs 10, the number of data is 11.

      ../_images/image02720.png

      Figure 4.20 Function dialog box

      • Slope: Input value of slope for linear line.

      • Absolute Value: if the user inputs 10, x values are between -10 to 10.

    • Append Z Value: Append Z data. It is used to create a 3D Spline and Y data (Y1, Y2… Column) is added automatically.

    • Delete Z Value: Deletes Z data.

    • Draw: Draw the spline data. Refer to Using Spline Viewer dialog.

    • Import: Import the spline data. Supported formats are the CSV File(*.csv), Text File(*.txt) and the Matrix Data File(*.mat).

    • Export: Export the spline data. Supported formats are the CSV File(*.csv), Text File(*.txt) and the Matrix Data File(*.mat).