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Hiro's report on culling preview

Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 14:49
Okay, I tested out the new avatar attachment culling preview. Since I made a stink about it, here's my report:

The Good:
- Culling is very tough to notice on the default setting, and near-impossible to notice on a high setting.
- The culling seems to use the largest dimension of the largest prim in an attachment as to what to cull. This is good, because if you have some big attachment with little details (like macro avatars), the whole thing isn't culled. It also means that 0.01m thick wings won't get culled too soon.
- Overall, a pretty solid job, I believe it needs some tweaking to be ready for release. Thanks to Linden Lab for taking seriously the issues of expression of one's identity, and with not breaking SL experience.

The bad:
- Lower settings can cull in pretty close ranges.

The ugly:
- Tiny objects get culled pretty quickly, even at the default (medium) setting.
- On lower settings, if I zoom in and out, even at close range, I'll have attachments blink in and out and in again.

Advice to LL:
- Set the default higher, and set the minimum base higher.
- Set a minimum draw distance no matter what - I was able to get things culled within about 10m or so.

Pictures to follow...

First picture:
Me, zoomed out, minimum setting... culled swords. Okay, no biggie here.
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Hiro Pendragon
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:01
Next picture:

This is the minimum setting I found that didn't cull my swords at max zoom-away from myself.
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Hiro Pendragon
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:05
Shot 3:

minimum setting, welcome area.

This person in the picture was wearing pretty big wings that got culled.
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Hiro Pendragon
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Reitsuki Kojima
Witchhunter
Join date: 27 Jan 2004
Posts: 5,328
01-24-2006 15:05
After about two-thirds setting I wasn't able to personally observe any culling.

My swords (You're familiar with them Hiro) don't cull on anything except the second to last click to the left, at max zoom. I wonder why mine take longer than yours. Mine are composed almost entierly of tiny prims... I think the largest prim on mine is has 0.1 as it's largest dimension.
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:07
Picture 4:

Me, on expedition to FurNation.

Minimum setting, the head and guitar disappear at a fairly close range to camera. This can't be more than 20m away at maximum.
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Hiro Pendragon
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:09
Picture 5:

What our furry friend looks like from close up, WITH his head on. (Pictures shown with permission.)
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Hiro Pendragon
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:13
Picture 6:

Here's me in an Optimus Pr--- *cough* I mean, non-copyright-infringing transforming robot, a "transformer" robot, if you will. It's a rather large avatar. At minimum settings and max camera range, no culling occurs.
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Hiro Pendragon
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Enabran Templar
Capitalist Pig
Join date: 26 Aug 2004
Posts: 4,506
01-24-2006 15:15
That poor Furry. He'd better take this all the way to the supreme court.
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From: Hiro Pendragon
Furthermore, as Second Life goes to the Metaverse, and this becomes an open platform, Linden Lab risks lawsuit in court and [attachment culling] will, I repeat WILL be reverse in court.


Second Life Forums: Who needs Reason when you can use bold tags?
Cocoanut Koala
Coco's Cottages
Join date: 7 Feb 2005
Posts: 7,903
01-24-2006 15:15
OK, since I have to have draw distance at 64, I take it this means I will be able to see lots less of a person's attachments until I get right up on them.

coco
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:17
Picture 7:

I made an array of little 0.01m cubes and toruses, attached them.

This picture is medium setting - the default with the slider in the middle.

Notice this is not very far off from the avatar. In one frame, it's there (left), and as I pull out just a little more, it's gone (right).
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Rickard Roentgen
Renaissance Punk
Join date: 4 Apr 2004
Posts: 1,869
01-24-2006 15:20
Does it cull per prim or per object?
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Reitsuki Kojima
Witchhunter
Join date: 27 Jan 2004
Posts: 5,328
01-24-2006 15:20
Per object.
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I am myself indifferent honest; but yet I could accuse me of such things that it were better my mother had not borne me: I am very proud, revengeful, ambitious, with more offenses at my beck than I have thoughts to put them in, imagination to give them shape, or time to act them in. What should such fellows as I do crawling between earth and heaven? We are arrant knaves, all; believe none of us.
Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:22
Picture 8:

Here's the low setting, repeating the same as the picture 7 picture.

This is a significant loss of detail.
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Hiro Pendragon
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:24
Picture 9:

Here's the full shot from the last picture where the attachment is culled, to give you a better idea of just how close the camera was to the avatar.

This means things like jewelry, custom eyeballs, and eyeglasses can potentially be culled.

Again, this is low-setting.
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Hiro Pendragon
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ZsuZsanna Raven
~:+: Supah Kitteh :+:~
Join date: 19 Dec 2004
Posts: 2,361
01-24-2006 15:24
From: Hiro Pendragon
Picture 8:

Here's the low setting, repeating the same as the picture 7 picture.

This is a significant loss of detail.


Not cool, not cool at all :(
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Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:26
Picture 10 (final picture):

This is the same attachment, with 1 prim stretched in the X direction to 10m, 1 prim stretched in the Y direction to 10m, and 1 prims stretched in the Z direction to 10m.

The shot is full distance, minimum setting. It is not culled. -- proving large but thin items are preserved.
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Rickard Roentgen
Renaissance Punk
Join date: 4 Apr 2004
Posts: 1,869
01-24-2006 15:27
but it's fine with the settings up yes? if so I still think having the option to tone down attachments is a good thing. I'm always for more options.
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ZsuZsanna Raven
~:+: Supah Kitteh :+:~
Join date: 19 Dec 2004
Posts: 2,361
01-24-2006 15:29
From: Rickard Roentgen
but it's fine with the settings up yes? if so I still think having the option to tone down attachments is a good thing. I'm always for more options.


Yes, we all know that...but will a new person or people who don't look at the forums and have no idea?
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Enabran Templar
Capitalist Pig
Join date: 26 Aug 2004
Posts: 4,506
01-24-2006 15:29
From: Rickard Roentgen
but it's fine with the settings up yes? if so I still think having the option to tone down attachments is a good thing. I'm always for more options.


NO RICKARD WE MUST STRONGARM THE WEAK OF HARDWARE INTO VIEWING EVERY SINGLE THING ABOUT US NO MATTER WHERE WE ARE AND NO MATTER THE IMPACT ON THEIR EXPERIENCE.

Pay attention, dude.
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From: Hiro Pendragon
Furthermore, as Second Life goes to the Metaverse, and this becomes an open platform, Linden Lab risks lawsuit in court and [attachment culling] will, I repeat WILL be reverse in court.


Second Life Forums: Who needs Reason when you can use bold tags?
Lordfly Digeridoo
Prim Orchestrator
Join date: 21 Jul 2003
Posts: 3,628
01-24-2006 15:30
Why would you be putting it on the lowest setting unless you were getting horrendous framerates? In which case, being able to not rez attachments on avatars would be a good thing.

What's the problem here? Anyone getting 30fps isn't going to turn the LoD down to nothing. People who are getting 1 fps are. And they'll enjoy the speed boost when they don't have to render 500 furryheads. Or 30 prim hairdos.

In low-framerate settings I routinely turn all graphics options off, and sometimes simply cease to render avs altogether. That's what chat history is for.

Can we drama about something else now?
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Lordfly Digeridoo
Prim Orchestrator
Join date: 21 Jul 2003
Posts: 3,628
01-24-2006 15:33
From: ZsuZsanna Raven
Yes, we all know that...but will a new person or people who don't look at the forums and have no idea?


Do people have any idea what half of the settings do? Outfit composite limit? What's 100 do compared to 0? Or 53?

Does the average user understand particles, and how many they should render on their system?

Bumpiness draw distance?

fog multiplier ratio?

All of these things would, theoretically asplode the average user's head. And yet, 120,000 accounts and growing...

I think the SL community can cope with another detail slider.

LF
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ZsuZsanna Raven
~:+: Supah Kitteh :+:~
Join date: 19 Dec 2004
Posts: 2,361
01-24-2006 15:33
From: Lordfly Digeridoo
snip

In low-framerate settings I routinely turn all graphics options off, and sometimes simply cease to render avs altogether. That's what chat history is for.

Can we drama about something else now?


Then I guess one could just get on a messenger service and quit SL altogether...
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Enabran Templar
Capitalist Pig
Join date: 26 Aug 2004
Posts: 4,506
01-24-2006 15:34
From: Lordfly Digeridoo
I think the SL community can cope with another detail slider.


Particularly if the default is at 50%.
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From: Hiro Pendragon
Furthermore, as Second Life goes to the Metaverse, and this becomes an open platform, Linden Lab risks lawsuit in court and [attachment culling] will, I repeat WILL be reverse in court.


Second Life Forums: Who needs Reason when you can use bold tags?
Hiro Pendragon
bye bye f0rums!
Join date: 22 Jan 2004
Posts: 5,905
01-24-2006 15:35
From: Lordfly Digeridoo

Can we drama about something else now?

You and Enabran are the only 2 people being drama queens in this thread, thank you. You'll see that I'm fairly positive toward my opinions toward culling.
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Hiro Pendragon
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Lordfly Digeridoo
Prim Orchestrator
Join date: 21 Jul 2003
Posts: 3,628
01-24-2006 15:38
From: ZsuZsanna Raven
Then I guess one could just get on a messenger service and quit SL altogether...


If I'm in a room with 50 avatars, all standing around (as people do in big gatherings), then it stands to reason that I don't need to render 50 avs standing around doing nothing. Considering my computer cries with more than 10 avs, this is a Big Deal. :)
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