# A quick question about plotting reference vector

**URL:** https://discourse.paraview.org/t/a-quick-question-about-plotting-reference-vector/4993
**Category:** ParaView Support
**Created:** [July 30, 2020, 4:01pm UTC](https://discourse.paraview.org/t/a-quick-question-about-plotting-reference-vector/4993 "2020-07-30T16:01:58Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 4, 2020, 2:57pm UTC](https://discourse.paraview.org/t/a-quick-question-about-plotting-reference-vector/4993/2 "2020-08-04T14:57:13Z")

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Something like this ?

> [@Display glyph scale reference](https://discourse.paraview.org/t/display-glyph-scale-reference/4979/2):
>
> That’s a good question. The short answer is no, ParaView does not have that type of annotation. The only way I can think of to do it (other than programming something entirely new in ParaView) is to create your own annotation, although doing so will probably be vexing. To do that, you can add an Arrow source or a 2D Glyph source with Glyph Type as Arrow to add a single arrow to your view of unit length. You can then use the Transform filter to move the arrow to an appropriate part of the view a…

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