Defect: Deforming Geometry Causes Guides to reorient

Problem

Description:

So I'm working with a simple test scene, just a polysphere with a single weighted cluster which I've animated. As the mesh goes through it's deformations, I noticed that the guides that I'd combed change orientation over a single frame. I've attached a video below showing the problem in detail.

https://vimeo.com/163843914/4a2823ae63

File Link:

https://www.dropbox.com/s/6xb8pdvue60eyna/orna_test.ma?dl=0

Steps to Reproduce:

1. Create Polysphere

2. Create Cluster Deformer

3. Create Locator, Move to top of Sphere.

4. Replace Cluster Handle Weighted Node with Locator

5. Weight Cluster, blending top to bottom.

6. Animate Locator.

7. Attach Hair to Polysphere

8. Use Comb brush to alter some guides.

9. Track guides through playback.

Title:	Deforming Geometry Causes Guides to reorient
Category:	Workflow
Status:	Closed
Posted By:	baslack ( Benjamin Slack )
Date Created:	22 April 2016

22 April 2016 #8235
baslack	Forgot to mention, enabled "Topology Based Orientation", per the documentation, but it had no effect on the issue. -B --- http://nimajneb.com
22 April 2016 #8237
EPHERE	Thank you for the video and file Benjamin, these will help track this problem down. Marsel Khadiyev (Software Developer, EPHERE Inc.)
25 April 2016 #8247
EPHERE	Please see http://ephere.com/plugins/autodesk/maya/ornatrix/docs/1/Strands_Flipping_on_a_Deforming_Base_Mesh.html for the solution Marsel Khadiyev (Software Developer, EPHERE Inc.)
29 April 2016 #8293
baslack	Will do, thanks for the heads up. -B --- http://nimajneb.com

Summary

Problem