# Custom Vector Field creation in maya

**URL:** <https://forums.unrealengine.com/t/custom-vector-field-creation-in-maya/408762>\
**Category:** FX\
**Tags:** vector-fields, gpu-particles, unreal-engine, question\
**Created:** [November 4, 2017, 9:37pm UTC](https://forums.unrealengine.com/t/custom-vector-field-creation-in-maya/408762 "2017-11-04T21:37:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![anonymous\_user\_1d8ea24c](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_1d8ea24c](https://forums.unrealengine.com/u/anonymous_user_1d8ea24c)\
**Post date:** [November 4, 2017, 9:37pm UTC](https://forums.unrealengine.com/t/custom-vector-field-creation-in-maya/408762/1 "2017-11-04T21:37:11Z")

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Hi,

I have been trying to create a vector field for a GPU particle system. I followed this tutorial: [[A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums](https://wiki.unrealengine.com/Creating_Vector_Fields_(Tutorial))][1] to create my fluid container(“4. Finally we need to enable the display of velocity vectors so we can see the data we want to export to UE4. In the **Display** section of the fluid container, check the **Velocity Draw** checkbox.”). After that I wanted to try and use my own particle system in Maya. I made my fluid simulation from my particle system(just a straight line) like this.

 ![219142-capture.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/b/5/c/b5c7f3cfd0558ae62722917faa3a7425a67e839f.png)

I had to disable gravity(which got rid of the velocity draw arrows) or else it would look like this:

 ![219143-gravity.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/c/5/7/c57a7ae4c222dff3c7d4046a3b161e1daa5013be.png)

Export settings(using the unreal plugin for maya):

![219144-export-settings.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/5/e/5/5e5f63646401a1ced1e4dbc9e50fb2e634a16202.png)

Either way, in unreal engine I had trouble using the vector field. So how do I properly make a vector field?

Maya Project: