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Jason Brown (valkama)
Posted on Saturday, February 04, 2006 - 03:58 pm:   Edit Post Print Post

Being that Network rendering one scene with 2 computers is slower than rendering on just one similar computer there is a work around that might help those with a tight deadline.

Save the same file on 2 computers with the same view saved. On one of the computers go to perspective properties for that view, and spin the camera 180 degrees. This essentially causes it to render from the bottom up while the other is renderings from the top down. Stop the renderings when they are both half way, save the images and join in Photoshop.

This may have been brought up before but I could not find it in the forums so I hope this helps someone.

Happy Rendering
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robert smith (bob)
Posted on Saturday, February 04, 2006 - 06:21 pm:   Edit Post Print Post

Jason,

Generally network rendering with two computers should be faster than a single computer (provided that you are rendering at least a medium sized image) and the technique above will probably be slower because you have to manually put the pieces together instead of allowing the network rendering to do it automatically.

Bob
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Jason Brown (valkama)
Posted on Saturday, February 04, 2006 - 07:00 pm:   Edit Post Print Post

Thanks for the reply Bob.

I just did a test with a 7"x12" 300dpi file and with this configuration, (2) dual 2.4 ghz xeons as the clients and one 2.7ghz P4 as the server. To Network render the single image using Raytracing took 5 hours and 4 miutes. To do my method, each xeon given half the image, it took 3hrs 10 minutes. In Photoshop it took 45 seconds to merge the files.

There could be something wrong with my network setup but i used the same setup to do a network rendering in 3dstudio Max6 and that actually rendered faster than rendering on just one computer.

Not sure whats going on, but for me this is my work around.

Thanks

Jason
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robert smith (bob)
Posted on Saturday, February 04, 2006 - 07:26 pm:   Edit Post Print Post

Jason,

This does not sound right to me. You should probably send your file to ZWEb to have them take a look. Maybe they can give you some suggestions, or find something to fix.

If you are not using your 2.7 P4 for anything else, you should add this as a Render Client as well...

Also, I know that Hyperthreading will slow down formZ rendering. Do you have this enabled?
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support@formZ.com (tech)
Posted on Monday, February 06, 2006 - 08:32 am:   Edit Post Print Post

James,

As Robert notes, what you report does not sound right. Please save your file and any associated images and symbol libraries into a new folder, zip the folder, and upload it to

ftp.formz.com
name = dropbox
password = i8ugdl

Then post back here letting us know the name of your file after it has finished uploading and we will see what is going on.

ZWebTech Support
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Richard Rush (rwrush)
Posted on Monday, February 06, 2006 - 10:17 am:   Edit Post Print Post

Jason, what a great idea! I would never have thought of that. Although I only use one computer with Z, it is still a useful idea. For example, I sometimes need to re-render an entire image because of a revision near the bottom. Spinning the camera 180 degrees could save a lot of time.

A better solution for my example would be if formZ could render a defined image area at the resolution set for the window rather than only at screen resolution, which is currently the only option. Zweb, could this be possible in the future?

Richard
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Rich Firkins (rfirkins)
Posted on Monday, February 06, 2006 - 03:30 pm:   Edit Post Print Post

I like it. :)

Nice alternative to setting up network rendering, which I have not yet had a need for. But I can see where this would be useful in a crunch.
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Jason Brown (valkama)
Posted on Monday, February 06, 2006 - 03:33 pm:   Edit Post Print Post

James Brown? Im the king.... :)

Ill post the file as soon as i finish this deadline. Thanks for the quick responce.

Richard, fliping the view works great but what you suggest would be ideal.

Thanks

jason
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support@formZ.com (tech)
Posted on Monday, February 06, 2006 - 03:36 pm:   Edit Post Print Post

Oops! Sorry JASON :)

(And here I thought Elvis was the king...)

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