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 Random black lines: Rendering artifacts
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Spoon
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83 Posts

Posted - 09/22/2012 :  04:35:48 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Anyone ever have any issue with random black lines showing up in a render? In my case the lines are black, 1 pixel wide and show up for one frame then disappear. They are not present in the preview render, only on export. They are present with multithreading enabled and disabled, and present whether rendering a movie file, or individual frames.

In this case, it seems to be a vector layer I'm using to shade another vector layer that's causing it. The layer is a large square with a gradient I'm using in multiply mode to provide shading to layers beneath it. The file was originally created in version 6, but I also made new gradient vectors, which seemed to only change which frames the artifacts would show up in.

Another variable is the scene has the camera tracking in, and has z depth. I've tried unsuccessfully to find anyone talking about an issue like this. Tonight, my google fu is weak. So far my only solution is to render to frames, then look over each frame and preview render and replace the errant frames. Far from ideal.

http://www.youtube.com/user/AwesomeOnline

Kelleytoons
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6409 Posts

Posted - 09/22/2012 :  05:16:45 AM  Show Profile  Reply with Quote
A sample file would be great (along with what frame to render to see this).
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Spoon
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83 Posts

Posted - 09/22/2012 :  05:52:59 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
I'm hesitant to post it the .anme file publicly as it is something that I'm using for a video, but I can shoot you a pm with a link to dl it. Right now I'm re-rendering it to see if anything has changed, as I continued working on it. Not sure if the same frame is screwed up. I posted this vid...

http://www.youtube.com/watch?v=3gQs3T1LBF4&feature=youtu.be

Frame 91 is where you can see it. The best place to look is on the roller coaster top between the towers. Be sure to go full screen in HD. The rest of the line is hard to see with all the shadows, but it stretches from the bottom of the frame to the top behind the fence. The original that I brought in from 6 had one on an earlier frame going horizontally, but I don't see that in this iteration. While working on this I found something else...much worse if it's not my own fault somehow. More on that in a few minutes while I upload some pics and .anme files for that whole issue.

http://www.youtube.com/user/AwesomeOnline
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Kelleytoons
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6409 Posts

Posted - 09/22/2012 :  06:10:55 AM  Show Profile  Reply with Quote
Well, I was specifically thinking of something we could report to The Powers that Be, but I do understand about proprietary stuff.

If you ever do get a chance to make a file with this issue you can share feel free to email it to me and I'll make sure it gets to the proper authorities for review.
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Spoon
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83 Posts

Posted - 09/22/2012 :  06:20:00 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Check your inbox, an email should be there waiting :)

http://www.youtube.com/user/AwesomeOnline
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Spoon
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83 Posts

Posted - 09/22/2012 :  06:43:49 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Now on to the next issue. I really hope I'm being thick here and missing something simple. While working on this scene I used a layer blur in combination with layer shading and got some horrific results. First up, an example created and rendered in version 8



Now the same scene rendered in 9...



Now an example created and rendered in 9...



I could swear I had this issue before, but can't for the life of me figure out what it was, or find anything about it.

Here's a link to the .anme files if it helps...

http://groovypatrol.com/images/anime_studio/blur_test.zip

Thanks!



http://www.youtube.com/user/AwesomeOnline
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Spoon
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83 Posts

Posted - 09/22/2012 :  07:18:44 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Here's a couple of screenshots of the black line issue with the levels turned up to make them easy to see. Horizontal line is on frame 104, vertical is on 91.

http://groovypatrol.com/images/anime_studio/blackline_horz_frame104.png
http://groovypatrol.com/images/anime_studio/blackline_vert_frame91.png



http://www.youtube.com/user/AwesomeOnline
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hayasidist
Gold Member



United Kingdom
1271 Posts

Posted - 09/22/2012 :  09:08:28 AM  Show Profile  Reply with Quote
I've had a few "oddities" in rendering too.. the occasional black frame and these "tramlines".

There's also a few reports of similar in the other place e.g. http://www.lostmarble.com/forum/viewtopic.php?f=2&t=21662
http://www.lostmarble.com/forum/viewtopic.php?f=2&t=22803
http://www.lostmarble.com/forum/viewtopic.php?f=13&t=23052


I'll keep a better track on glitches that hit me from now on in.
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Spoon
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83 Posts

Posted - 09/22/2012 :  11:03:11 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Thanks for the links man. I did see those. I've had random frame issues before, but never so consistently. I always final render to image sequence so I can fix the issue without too much Trouble. The shading-blur thing is bothering me more now. Putting a shaded layer into a group or bone layer and blurring that instead works, but I really don't want to have to do that every time.

http://www.youtube.com/user/AwesomeOnline

Edited by - Spoon on 09/22/2012 11:05:30 AM
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Kelleytoons
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6409 Posts

Posted - 09/22/2012 :  11:07:04 AM  Show Profile  Reply with Quote
Again, I don't get any of the issues you get with that second problem (AS 9, 64bit, PC version). If you have a file you can share I'll see if I get it when I render but on this end I can't duplicate it.
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Spoon
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83 Posts

Posted - 09/22/2012 :  11:14:00 AM  Show Profile  Visit Spoon's Homepage  Reply with Quote
The post with the pics has a link to a zip file containing the .anme files I used to make the pics. I'd copy/paste from that post, but this forum is difficult to just type on using this tablet.

I wonder...does AS use internet explorer at all as so many other programs do? All this started happening tonight after I applied the hot fix for that IE zero day exploit that came on windows update tonight...

http://www.youtube.com/user/AwesomeOnline
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Kelleytoons
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6409 Posts

Posted - 09/22/2012 :  11:25:44 AM  Show Profile  Reply with Quote
No, it's a bug (and reported).
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Spoon
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83 Posts

Posted - 09/22/2012 :  8:43:04 PM  Show Profile  Visit Spoon's Homepage  Reply with Quote
Well to make things more interesting, I tried reproducing the black line render issue in the x64 version and it rendered fine. I can't see any artifacting at all. Also, frame 91 and 104 was taken from vegas, which starts its timeline at frame 0. If you're looking for the artifacts in an image sequence rendered it would be frames 92 and 105. I'm trying to make a file that will show the problem more easily. I'll post back if successful.

http://www.youtube.com/user/AwesomeOnline
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Kelleytoons
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6409 Posts

Posted - 09/22/2012 :  9:42:33 PM  Show Profile  Reply with Quote
The 64bit version is all I have on my machine, so unless you can get it to not work there I can't reproduce it (that sentence sounds awkward but I'm tired and my brain doesn't work so good :>).
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Spoon
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83 Posts

Posted - 09/22/2012 :  9:47:33 PM  Show Profile  Visit Spoon's Homepage  Reply with Quote
I made a new file which demonstrates my "line artifact" issue. It renders fine in the v9x64, glitches on v9x86 as in this video...



This time however, the line is white. Here's the .anme file...

http://www.groovypatrol.com/images/anime_studio/artifact_test1.anme

http://www.youtube.com/user/AwesomeOnline

Edited by - Spoon on 09/22/2012 9:51:39 PM
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Spoon
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83 Posts

Posted - 09/22/2012 :  9:57:41 PM  Show Profile  Visit Spoon's Homepage  Reply with Quote
quote:
The 64bit version is all I have on my machine, so unless you can get it to not work there I can't reproduce it (that sentence sounds awkward but I'm tired and my brain doesn't work so good :>).


Well I am pretty good at breaking stuff, but so far no luck breaking it in version 9 x64. Luckily that was the version I was going to do final renders in anyway.

http://www.youtube.com/user/AwesomeOnline
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