```{index} single: Filters; Interpolate Values To Unstructured Grid
```
# Interpolate Values To Unstructured Grid

**THIS FILTER IS UNTESTED, UNVERIFIED AND UNVALIDATED. IT IS AN EXPERIMENTAL FILTER THAT IS UNDERGOING LONG TERM DEVELOPMENT
AND TESTING. USE AT YOUR OWN RISK**

## Group (Subgroup)

Reconstruction (Grouping)

## Description

This filter will sample a point cloud's data onto a target unstructured grid (Vertex, Edge, Triangle, Quad, Hex, Tet Geometry) via a nearest neighbor algorithm.

![Initial Input Point Cloud](Images/InterpolateValuesToUnstructuredGridFilter_1.png)

![Input Point Cloud with target unstructured grid](Images/InterpolateValuesToUnstructuredGridFilter_2.png)

![Final data assigned to the target unstructured grid](Images/InterpolateValuesToUnstructuredGridFilter_3.png)


### Input Data Objects

| Parameter Name | Parameter Type | Parameter Notes | Description |
|----------------|----------------|-----------------|-------------|
| Node-Based Geometry To Interpolate | Geometry Selection | Vertex, Edge, Triangle, Quadrilateral, Tetrahedral, Hexahedral | DataPath to node-based geometry to interpolate |
| Interpolated Node-Based Geometry | Geometry Selection | Vertex, Edge, Triangle, Quadrilateral, Tetrahedral, Hexahedral | DataPath to node-based interpolated geometry |
| Attribute Arrays to Interpolate | MultiArraySelection |  | DataPaths to interpolate |

### Output Data Object(s)

| Parameter Name | Parameter Type | Parameter Notes | Description |
|----------------|----------------|-----------------|-------------|
| Use Existing Attribute Matrix | Bool |  | Use an existing attribute matrix to store the interpolated arrays. |
| Vertex Attribute Matrix | AttributeMatrixSelection |  | Vertex attribute matrix to store the interpolated data |
| Created Vertex Attribute Matrix | DataObjectName |  | DataPath to created AttributeMatrix for interpolated data |

## References

## Example Pipelines

## License & Copyright

Please see the description file distributed with this **Plugin**

## DREAM3D-NX Help

If you need help, need to file a bug report or want to request a new feature, please head over to the [DREAM3DNX-Issues](https://github.com/BlueQuartzSoftware/DREAM3DNX-Issues/discussions) GitHub site where the community of DREAM3D-NX users can help answer your questions.