# what thing do I miss to create volume sequence from tiff

**URL:** <https://discourse.slicer.org/t/what-thing-do-i-miss-to-create-volume-sequence-from-tiff/20039>\
**Category:** Support\
**Tags:** sequences, python, nrrd\
**Created:** [October 6, 2021, 7:00pm UTC](https://discourse.slicer.org/t/what-thing-do-i-miss-to-create-volume-sequence-from-tiff/20039 "2021-10-06T19:00:41Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [October 7, 2021, 5:56pm UTC](https://discourse.slicer.org/t/what-thing-do-i-miss-to-create-volume-sequence-from-tiff/20039/4 "2021-10-07T17:56:47Z")

</div>

> [@BingYen](#):
>
> - Where should I put `size` info in my data?

Nowhere. Size is defined by your numpy array.

> [@BingYen](#):
>
> What should `space directions` look like?

It should be the same as [the working example](https://discourse.slicer.org/t/hdf5-to-nrrd-to-seq-nrrd/18277/4) - with three `float('nan')` values.

---

_[View the full topic](https://discourse.slicer.org/t/what-thing-do-i-miss-to-create-volume-sequence-from-tiff/20039)._