Full Version: Majik Tutorial: Audio Speaker

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I had problems trying to re-export the mesh object, MoI crashed. I sent the canned error zip to you, but the OS just may need to be re-booted.

I had the one I made earlier and combined it with the other parts of the speaker.

Kerkythea Boost, Metropolis Light Transform (BPT), only a few passes, but this image was reduced by 2 to clear up the noise.
Used one omni-light at a low angle. And a little F# tweaking on the camera.

Not bad for my little bit of knowledge with MoI-Kerky rendering.

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Hi Mike, thanks for sending the crash report. I'll take a look and see if something can be tuned up so that it becomes just a failure rather than a crash but often times out of memory handling is quite difficult to deal with well. Just in general it's not something that I expect to get to as high a level of robustness as regular operation. One reason for that is that it's difficult to test and replicate the problem with the memory allocation failing in the exact same way as it did during your run.

Usually it is best to try and avoid running out of memory in the first place. If you know that you have a particularly heavy model and that it is likely to run out of memory try exporting it in some chunks instead of all in one big piece.

- Michael

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Thanks,

Yeah.. I looked at that silly CPU/MEM "Gadget" Windows 7 has, it was at around 25%.
And there may be something else not set right. The vid driver temporarily crashed twice today. Once when only Adobe reader was running.
But me and my brother are still in the "let's see if this baby really works" phase of this new work PC.

But man! Does it feel good to get a MoI model rendered. :-)

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Hi Mike, one thing to keep in mind is that MoI is a 32-bit program, so it will max out at something like around 3.6 GB of memory usage, not when all your full 64-bit system memory is exhaused.

So to monitor MoI for running out of memory, if you're on a high memory 64-bit OS you'll really need to monitor MoI.exe in the process list and not just your overall system memory consumption. If you're on a 32-bit OS or on 64-bit with more like 4GB of memory then you could watch overall system memory.

When you have a particularly high level of geometry like you're doing here you will probably need to pay some extra attention to some things like this which you don't need to worry about so much with a more regular kind of model.

You also may get some better results for high complexity models if you reduce the display mesh density to be coarser - that can help to reduce memory consumption by quite a bit.

Some details for that in this previous post:
http://moi3d.com/forum/index.php?webtag=MOI&msg=4196.2

The settings for that are under Options > View > Meshing parameters - try setting "Mesh angle" to 25 degrees and uncheck "Add detail to inflections". That may reduce memory load a fair amount.

- Michael

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Hi Mike,

> And there may be something else not set right. The vid driver
> temporarily crashed twice today.

You might make sure it's not getting overheated - is your system possibly overclocked?

Also it's probably a good idea to go directly to your video card manufacturer's web site and download the latest driver they have available from there to see if that helps.

- Michael

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Thanks for that advice... I was wondering about the limitations being a 32 bit app.

We were thinking some of the same things about the video.
I had a tech put me on a different login with admin priv. due to requirements to get my M$ Outlook connected among other things.
An error log my brother was looking at eluded to the fact that something was denied some type of privileges when MoI crashed.
I plan on uninstalling and re-installing the INVIDIA driver in the morning to rule that out.

If it was a hardware problem the vid card blackouts (2 of them) would have happened when I was taxing my system... hard to tell at this stage.
But yes... that model is a stresser for MoI under any circumstances.

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MAJIKMIKE -

I really like the render - nice dramatic lighting. Again, a fantastic model and I'm trying it out right now in KeyShot (still can't get the grill exported out of MoI due to memory limit).

Do you mind if I post a KeyShot version later tonight?

Ed

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Thanks Ed!

Yes, go ahead - that's why I posted it. Have at it!

Ed, try this out: http://www.mediafire.com/?3tlre2zc6y1qh (test 1.zip)
It is the .obj that worked for the wire mesh. Can't guarantee it, but give it a try.

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Hi Majik,
Just a mention on the original surface you had import issues with, that is a "joined surface" and not a solid, so it may have had something to do with that. Although you did get it going with quads and tris, so it is just information/speculation.

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Hi Burr that kind of looking thing where triangles seem to be leaking out of an n-gon outline usually means that something went wrong with a process of converting n-gons into triangles.

In order to convert an n-gon into triangles, one edge of the n-gon will be connected to a point somewhere else on the n-gon. If it's not handled carefully then the connection to that other point could cross over the outside area of the n-gon if it's a complex concave type shape.

That's something that can tend to happen pretty easily in n-gon triangulation functions, it's not all that easy to make a really robust triangulator.

If the rendering program that you are exporting to has those kinds of problems in handling complex n-gons, then you'll need to use the "Export: Quads & Triangles" option to do the triangulation in MoI instead of relying on the rendering program to do it.

- Michael

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Majik -

Here's your model rendered in KeyShot. Thanks for sharing!

Ed Ferguson

Image Attachments:
Maynard Audio Speaker.png 

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hi Majik
i exported your mesh without problems, (i don't understand exactly..you got this mesh in obj or not??? )if needs take a look below



for Rich

sorry for misunderstandings:MY APOLOGIZES.This is a peaceful forum,this also is main reason when i decided to post some stuff
I respect you and i told you
in dutch without dubts:Mijn excuses

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@m-dynamics

No problem and thanks for the kind words. :-)

Peace,
Rich_Art. ;-)

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Thanks Mike!!
Very good tutorial, and nice result!!
Man that's a lot of screen captures!!!! :)

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Hi all! It is impossible to make. Please explain as?




-Riko

Attachments:
Flow test.3dm

Image Attachments:
flow.jpg 

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Oooh niiiice.. that's clean lookin' Ed! :-)


KeyShot is good with metals.

klickoff,

http://moi3d.com/forum/index.php?webtag=MOI&msg=4549.1

The reference circle has to have the same number and spacing of web control points.
If you revolve a flat curve - even with points making up that curve - MoI will make a planar surface with four points at the corners.
You need to lift one of the control points in Z a little before revolving it, so that you end up with a reference circle with a control web.

Therefore, Flow will match structure to structure.

See below:


You can see that the structure for the reference circle is like unto the target shape - see the web control structure.

Hope this helped.

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Thanks Magic (MAJIKMIKE) !!!. I have received the nice result.

-Riko

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Great Job on the speaker...render in Carrara

Image Attachments:
Speaker.jpg 

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Grendel - that is one beautiful render! Good job!

I like the old English type "MoI" on the cone dome.
Thanks!

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Hello,

Quick render done with Thearender 1.1. Nice tut and model Majik.

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