# plot3d function file

**URL:** https://discourse.paraview.org/t/plot3d-function-file/10677
**Category:** ParaView Support
**Created:** [November 4, 2022, 9:31am UTC](https://discourse.paraview.org/t/plot3d-function-file/10677 "2022-11-04T09:31:43Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![DingLe139](https://discourse.paraview.org/user_avatar/discourse.paraview.org/dingle139/32/10330_2.png) [@DingLe139](https://discourse.paraview.org/u/DingLe139)
#### Post date: [November 4, 2022, 9:31am UTC](https://discourse.paraview.org/t/plot3d-function-file/10677/1 "2022-11-04T09:31:43Z")

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Hi! I’m new here.I want to visibilize plot3d physic datas (output from pyrosim) use paraview ,i have a .xyz file and a .q file ,but i can’t find the variables like ‘soot density’,‘soot visibility’ etc. I found someone uses the function file(.f),but i am not find my file(.f).  
So,i want to ask, if i need load function file? And , how can i find my function file(.f)?  
Thanks!!

 ![image](https://discourse.paraview.org/uploads/default/original/2X/d/dd5ceecd482f94fa3c054fc9bcad16b1979e4c24.png)  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/c/cce4e9305cab7d266548a9789ad4d5f5dbc96d18.png)  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/4/44752170e703a0fadf6e6c3d7161c5baaaccd4c4.png)  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/7/7dc0033a16bcb2dcbe1b89441b1a8fad8be90770.png)  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/0/00625bed141af1a62d4136841e0c8d94c9d03086.png)

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<div class="post-metadata">

### 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: [November 7, 2022, 6:59am UTC](https://discourse.paraview.org/t/plot3d-function-file/10677/2 "2022-11-07T06:59:43Z")

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Hi @DingLe139

Please share your data.

Best,