.. highlightlang:: us

.. _xyzsetspline:

XYZSetSpline
============

.. index:: XYZSetSpline

.. us.tag  XYZSetSpline ENGLISH XYZSet_iso

:ref:`XYZSetSpline`    determines if the isolines
appear as splines or polygons.

.. function::  bool = XYZSetSpline(hData, bSpline)

.. us.return

**Return Value**

If the function succeeds, the return value *bool* is TRUE (1); otherwise
it is FALSE (0).

.. us.params

**Parameters**

.. uparam:: hData

   Is the handle of a dataset created with :ref:`XYZCreate`.

.. uparam:: bSpline

   When *bSpline* is TRUE (1), the isolines will be
   connected by a spline. If it is FALSE (0), the isolines will be created
   as polygons.

.. us.comment

**Comment**

The changes will come into effect after the function :ref:`XYZUpdate` is called.

.. seealso::
   :ref:`overview-xyz-datasets`,
   :ref:`XYZCreate`

:sub:`id-2101641`