"vr off" should remove VR model

[goddard@…]

The following bug report has been submitted:
Platform:        Windows-10-10.0.17134
ChimeraX Version: 0.91 (2019-07-07)
Description
Turning off VR with "vr off" does not remove the top level VR model.

Log:
UCSF ChimeraX version: 0.91 (2019-07-07)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 6n2y format mmCIF fromDatabase pdb

6n2y title:  
Bacillus PS3 ATP synthase class 1 [more info...]  
  
Chain information for 6n2y #1  
---  
Chain | Description  
A B C | ATP synthase subunit α  
D E F | ATP synthase subunit β  
G | ATP synthase γ chain  
H | ATP synthase ε chain  
I | ATP synthase subunit δ  
a | ATP synthase subunit a  
b1 | ATP synthase subunit b  
b2 | ATP synthase subunit b  
c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 | ATP synthase subunit c  
  
Non-standard residues in 6n2y #1  
---  
ADP — adenosine-5'-diphosphate  
ATP — adenosine-5'-triphosphate  
MG — magnesium ion  
PO4 — phosphate ion  
  
  

> vr on

> lighting simple

started SteamVR rendering  
VR mode move scene  
VR mode move scene  

> show selAtoms surfaces

> hide selAtoms surfaces

> vr off

> open 6n2z

Summary of feedback from opening 6n2z fetched from pdb  
---  
note | Fetching compressed mmCIF 6n2z from
http://files.rcsb.org/download/6n2z.cif  
  
6n2z title:  
Bacillus PS3 ATP synthase class 2 [more info...]  
  
Chain information for 6n2z #2  
---  
Chain | Description  
A B C | ATP synthase subunit α  
D E F | ATP synthase subunit β  
G | ATP synthase γ chain  
H | ATP synthase ε chain  
I | Bacillus PS3 ATP synthase subunit δ  
a | Bacillus PS3 ATP synthase subunit a  
b1 | Bacillus PS3 ATP synthase subunit b  
b2 | Bacillus PS3 ATP synthase subunit b  
c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 | ATP synthase subunit c  
  
Non-standard residues in 6n2z #2  
---  
ADP — adenosine-5'-diphosphate  
ATP — adenosine-5'-triphosphate  
MG — magnesium ion  
PO4 — phosphate ion  
  
  

> open 6n30

Summary of feedback from opening 6n30 fetched from pdb  
---  
note | Fetching compressed mmCIF 6n30 from
http://files.rcsb.org/download/6n30.cif  
  
6n30 title:  
Bacillus PS3 ATP synthase class 3 [more info...]  
  
Chain information for 6n30 #3  
---  
Chain | Description  
A B C | ATP synthase subunit α  
D E F | ATP synthase subunit β  
G | ATP synthase γ chain  
H | ATP synthase ε chain  
I | Bacillus PS3 ATP synthase subunit δ  
a | Bacillus PS3 ATP synthase subunit a  
b1 | Bacillus PS3 ATP synthase subunit b  
b2 | Bacillus PS3 ATP synthase subunit b  
c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 | ATP synthase subunit c  
  
Non-standard residues in 6n30 #3  
---  
ADP — adenosine-5'-diphosphate  
ATP — adenosine-5'-triphosphate  
MG — magnesium ion  
PO4 — phosphate ion  
  
  

> morph #1,2,3 wrap true same true

Computed 61 frame morph #4  

> coordset #4 1,61

> coordset #4 1,61 pauseFrames 10

> usage coord

coordset structures [indexRange] [holdSteady an atoms specifier] [pauseFrames
an integer] [loop an integer] [bounce true or false] [computeSs true or false]  
— show coordinate sets  
indexRange: index range or nothing

coordset slider structures [holdSteady an atoms specifier] [pauseFrames an
integer] [computeSs true or false]  
— show slider for coordinate sets  

> coordset #4 1,61 pauseFrames 10 loop 1000

> vr on

started SteamVR rendering  

> graphics atomTriangles 50

> graphics atomTriangles 100

> vr off

> usage coord

coordset structures [indexRange] [holdSteady an atoms specifier] [pauseFrames
an integer] [loop an integer] [bounce true or false] [computeSs true or false]  
— show coordinate sets  
indexRange: index range or nothing

coordset slider structures [holdSteady an atoms specifier] [pauseFrames an
integer] [computeSs true or false]  
— show slider for coordinate sets  

> close #4

> morph #1,2,3 wrap true same true frames 100

Computed 301 frame morph #4  

> coordset #4 1,301

> coordset #4 1,61 pauseFrames 3 loop 1000

> vr on

started SteamVR rendering  

> graphics

Atom triangles 100, bond triangles 24, ribbon divisions 20, max framerate
1e+03  

> show target m

> show target m

Unknown command: ~coord #4  

> help coord

> vr off

> stop

> hide #!1 models

> hide #!2 models

> hide #!3 models

> coordset #4 1,301 pauseFrames 5 loop 1000

> coordset slider #4

> close #4

> close #100

> close #101-102

> morph #1,2,3 wrap true same true frames 100

Computed 301 frame morph #4  

> coordset #4 1,301

> coordset #4 1,301 pauseFrames 5 loop 100

> vr on

started SteamVR rendering  

> graphics atomTriangles 30

> vr off




OpenGL version: 3.3.0 NVIDIA 398.35
OpenGL renderer: GeForce GTX 1070 with Max-Q Design/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

[Tom Goddard]

I put in a fix. Needs testing.

[Tom Goddard]

Fixed.