.. highlightlang:: us

.. _auto_xy_add:

auto_xy_Add
===========

.. index:: auto_xy_Add

.. us.tag  auto_xy_Add NOTREADYENGLISH auto_xy

:ref:`auto_xy_Add` creates a new dataset from the sum
of the y-coordinates of 2D datasets.

.. function::  hDataNew = auto_xy_Add(hData, hvData)
    hDataNew = auto_xy_Add(hData_Layer, hvData)

.. us.return

**Return Value**

*hDataNew* is the handle of the new dataset.

.. us.params

**Parameters**

.. uparam:: hData

   *hData* is the handle of a 2D dataset. The new
   dataset, *hDataNew*, will be added to the layer (diagram) where the
   dataset *hData* is located.

.. uparam:: hData_Layer

   *hData_Layer* is a vector with two elements.
   The first element is a handle of a 2D dataset and the second element is
   a handle of a layer (diagram) to which the new dataset should be
   added.

.. uparam:: hvData

   *hvData* is a vector of handles of 2D Datasets.

.. us.comment

**Comment**

The x-coordinates of all given datasets must be strictly increasing.
They do not have to be identical.

The new dataset is calculated as following:

*  The x-range is calculated where all datasets overlap.

* Within the new x-range, a new x-coordinate vector (xs) is
  calculated which contains the x-coordinates of all given datasets.

* For each dataset, y-coordinates for the new x-vector xs
  will be calculated by linear interpolation.

*  The interpolated y-coordinates are added (yadd).

*  A new dataset will be created (xs, yadd).

.. seealso::
   :ref:`overview-automation`,
   :ref:`PageGetLayerHandle`

:sub:`id-1624966`