# How to make two volume data fused?

**URL:** https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406
**Category:** Support
**Created:** [October 13, 2020, 2:26am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406 "2020-10-13T02:26:24Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![wulicheng](https://discourse.vtk.org/user_avatar/discourse.vtk.org/wulicheng/32/1990_2.png) [@wulicheng](https://discourse.vtk.org/u/wulicheng)
#### Post date: [October 13, 2020, 2:26am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406/1 "2020-10-13T02:26:24Z")

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Now I have two or more vtkImageData, And I add the data to two vtkVolumes, Now I want to Fused these two vtkImageDatas or vtkVolumes into one? someone give me a sugisstion!

In fact, I want to fused two vtkImageData to one. that is they are integrated!

![图片](https://discourse.vtk.org/uploads/default/original/2X/9/94c71655764716caa107f1befaed756f192f686f.jpeg)

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### Author: ![Charles\_Gueunet](https://discourse.vtk.org/user_avatar/discourse.vtk.org/charles_gueunet/32/239_2.png) [@Charles\_Gueunet](https://discourse.vtk.org/u/Charles_Gueunet)
#### Post date: [October 13, 2020, 7:04am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406/2 "2020-10-13T07:04:24Z")

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I think you may have a look at the [vtkImageAppendFilter](https://vtk.org/doc/nightly/html/classvtkImageAppend.html#details).

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### Author: ![wulicheng](https://discourse.vtk.org/user_avatar/discourse.vtk.org/wulicheng/32/1990_2.png) [@wulicheng](https://discourse.vtk.org/u/wulicheng)
#### Post date: [October 13, 2020, 7:33am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406/3 "2020-10-13T07:33:26Z")

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In fact, I want to fused two vtkImageData to one. that is they are integrated!

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### Author: ![wulicheng](https://discourse.vtk.org/user_avatar/discourse.vtk.org/wulicheng/32/1990_2.png) [@wulicheng](https://discourse.vtk.org/u/wulicheng)
#### Post date: [October 14, 2020, 2:04am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406/4 "2020-10-14T02:04:56Z")

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In fact, vtkImageAppendFilter just add actors along the z-aix!

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### Author: ![Charles\_Gueunet](https://discourse.vtk.org/user_avatar/discourse.vtk.org/charles_gueunet/32/239_2.png) [@Charles\_Gueunet](https://discourse.vtk.org/u/Charles_Gueunet)
#### Post date: [October 15, 2020, 7:52am UTC](https://discourse.vtk.org/t/how-to-make-two-volume-data-fused/4406/5 "2020-10-15T07:52:31Z")

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Could [vtkMergeArrays](https://vtk.org/doc/nightly/html/classvtkMergeArrays.html#details) help you ? This is the VTK class under the Append Filter of ParaView.