# How VTK can reads a DICOM file sequence and reconstructs it quickly!

**URL:** https://discourse.vtk.org/t/how-vtk-can-reads-a-dicom-file-sequence-and-reconstructs-it-quickly/3685
**Category:** Support
**Tags:** proposal
**Created:** [July 2, 2020, 1:03am UTC](https://discourse.vtk.org/t/how-vtk-can-reads-a-dicom-file-sequence-and-reconstructs-it-quickly/3685 "2020-07-02T01:03:39Z")
**Posts on this page:** 1
**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: [July 2, 2020, 1:03am UTC](https://discourse.vtk.org/t/how-vtk-can-reads-a-dicom-file-sequence-and-reconstructs-it-quickly/3685/1 "2020-07-02T01:03:39Z")

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VTK quickly reads DICOM file sequence and reconstructs it?  
Can I use multi thread or Segmented reading?  
And now I just read dicom file sequence by vtkDICOMImageReader::SetDirectoryName and update()