# Rendering Using GPU

**URL:** <https://discourse.vtk.org/t/rendering-using-gpu/3423>\
**Category:** Development\
**Created:** [May 30, 2020, 11:31am UTC](https://discourse.vtk.org/t/rendering-using-gpu/3423 "2020-05-30T11:31:18Z")\
**Posts on this page:** 1\
**Showing post:** 5

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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:** [June 17, 2020, 6:28am UTC](https://discourse.vtk.org/t/rendering-using-gpu/3423/5 "2020-06-17T06:28:58Z")

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> [@Rasoul\_Sharifian](#):
>
> uggestion for using gpu

I think you should :  
auto mapper = vtkSmartPointer\< vtkRenderingVolume\>::New();

others, complier don’t define the type of the mapper.

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