# Empty rendering after scaling

**URL:** https://discourse.paraview.org/t/empty-rendering-after-scaling/16765
**Category:** ParaView Support
**Tags:** python, vtk
**Created:** [June 2, 2025, 2:57pm UTC](https://discourse.paraview.org/t/empty-rendering-after-scaling/16765 "2025-06-02T14:57:53Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Silver](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/s/a3d4f5/32.png) [@Silver](https://discourse.paraview.org/u/Silver)
#### Post date: [June 2, 2025, 2:57pm UTC](https://discourse.paraview.org/t/empty-rendering-after-scaling/16765/1 "2025-06-02T14:57:53Z")

</div>

Hi,

I first scaled my volume to [0, 1]^3 by:

```auto
reader = OpenDataFile("./example_volume.vti")
reader.UpdatePipeline()
transform = Transform(Input=reader)
transform.Transform.Scale = [1/512, 1/512, 1/512]
transform.UpdatePipeline()

```

But when I renderer it, I have an empty image. Here is my code for rendering:

```auto
Show()
Render()
camera = GetActiveCamera()
bounds = transform.GetDataInformation().GetBounds()
center = [(bounds[0] + bounds[1])/2, (bounds[2] + bounds[3])/2, (bounds[4] + bounds[5])/2]
camera.SetFocalPoint(*center)
camera.SetPosition(6, 6, 6)
camera.SetViewUp(0, 1, 0)

```

Could you help me with it? Thank you