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#1 2009-05-01 12:10:12

signmaster
Member
Registered: 2008-08-21
Posts: 20

Different results with GPU

When GPU is activated I get a blank section top and bottom of the image.
See below. Also crashes a lot with GPU activated?


Uploaded Images

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#2 2009-05-01 12:30:42

AlexandreJ
Kolor CEO
From: Francin, France
Registered: 2005-11-14
Posts: 7911
Website

Re: Different results with GPU

Yes, the gpu is used to make a fast preview, but the zenith and nadir zone is missing with this method. We'll try to find a patch for that.
---
GPU tends to be more sensible to crash, because we now are dependent on drivers issue ( and there are a lot of them we found that out ).
So be sure you really have the last drivers version. Nvidia 180.* at least, ATI : catalyst 9.1 at least.

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#3 2009-05-01 13:15:49

mediavets
Moderator
From: Isleham, Cambridgeshire, UK.
Registered: 2007-11-14
Posts: 9714
Website

Re: Different results with GPU

signmaster wrote:

When GPU is activated I get a blank section top and bottom of the image.
See below.

Alaxandre explained this - I agree it's irritating but it will render OK though.

Also crashes a lot with GPU activated?

My system seem pretty stable with GPU enabled - Dell T3400, MSI Nvidia PCIe 8000GTS 320MB, Windows XP Pro SP3 32-bit.

What is your system configuration?


Andrew Stephens
Nikon D40, Nikkor 10.5mm fisheye, Sigma 8mm f3.5 fisheye, Nikkor 18-55/50/35mm lenses, Nodal Ninja 5 Lite, Nodal Ninja 4 with R-D16, Agno's MrotatorTCS short.
Nikon P5100, CP5000, CP995, FC-E8, WC-E63,WC-E68, TC-E2, Kaidan Kiwi 995, Bophoto pano bracket, Agno's MrotatorA.
Merlin/Orion robotic pano head + Papywizard on Nokia 770/N800/N810 and Windows 8/XP/2K.

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#4 2009-05-02 00:58:45

signmaster
Member
Registered: 2008-08-21
Posts: 20

Re: Different results with GPU

I am running a Sony VAIO notebook with a NVIDIA GeForce Go 7600 video card and 2 gig of ram. I have purchased a new custom build i7 PC but it has been a real lemon back for repair about 5 times and over the 2 months that I have had it all I have done is load software.

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#5 2009-05-02 01:06:41

mediavets
Moderator
From: Isleham, Cambridgeshire, UK.
Registered: 2007-11-14
Posts: 9714
Website

Re: Different results with GPU

signmaster wrote:

I am running a Sony VAIO notebook with a NVIDIA GeForce Go 7600 video card and 2 gig of ram.

Hmmm. Do you have the latest Nvidia driver installed?

How much video RAM does it have?

Does the system pass all the OpenGL GPU tests?:
http://www.autopano.net/forum/p43415-20 … -33#p43415


Andrew Stephens
Nikon D40, Nikkor 10.5mm fisheye, Sigma 8mm f3.5 fisheye, Nikkor 18-55/50/35mm lenses, Nodal Ninja 5 Lite, Nodal Ninja 4 with R-D16, Agno's MrotatorTCS short.
Nikon P5100, CP5000, CP995, FC-E8, WC-E63,WC-E68, TC-E2, Kaidan Kiwi 995, Bophoto pano bracket, Agno's MrotatorA.
Merlin/Orion robotic pano head + Papywizard on Nokia 770/N800/N810 and Windows 8/XP/2K.

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#6 2009-05-02 14:23:03

signmaster
Member
Registered: 2008-08-21
Posts: 20

Re: Different results with GPU

I have the latest driver by Sony, 512K memory.
I ran the tests and it fails test 1. so looks like no GPU mode on this PC. My new PC should be fixed next week, hope it works OK on that.

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#7 2009-05-04 00:52:58

hankkarl
Member
From: Connecticut, USA
Registered: 2006-02-21
Posts: 1957
Website

Re: Different results with GPU

Good point to remember--sometimes large vendors get a special version of a video card and use different drivers.  I had this problem with a Dell system--I let Windows Update load a new driver, and spent a day recovering.

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#8 2009-05-04 02:10:01

pgielen
Member
From: The Netherlands
Registered: 2008-03-12
Posts: 35
Website

Re: Different results with GPU

So which graphics card would you recommend now for a Windows Vista 32 desktop system? I have a Nvidia 5400 which does not perform well enough for this live view feature.

Pierre

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#9 2009-05-04 20:35:53

foundation
Member
Registered: 2007-01-15
Posts: 275

Re: Different results with GPU

I too am seeing different results from the preview to the render. though I really like the fun wacky results the preview made, is there anyway to render it in preview mode?

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#10 2009-05-04 20:42:02

mediavets
Moderator
From: Isleham, Cambridgeshire, UK.
Registered: 2007-11-14
Posts: 9714
Website

Re: Different results with GPU

pgielen wrote:

So which graphics card would you recommend now for a Windows Vista 32 desktop system? I have a Nvidia 5400 which does not perform well enough for this live view feature.

Pierre

I have a MSI Nvidia 8800GTs with 320MB video RAM. It works fine with Windows XP 32-bit and APG.

I bought it used for about £50.


Andrew Stephens
Nikon D40, Nikkor 10.5mm fisheye, Sigma 8mm f3.5 fisheye, Nikkor 18-55/50/35mm lenses, Nodal Ninja 5 Lite, Nodal Ninja 4 with R-D16, Agno's MrotatorTCS short.
Nikon P5100, CP5000, CP995, FC-E8, WC-E63,WC-E68, TC-E2, Kaidan Kiwi 995, Bophoto pano bracket, Agno's MrotatorA.
Merlin/Orion robotic pano head + Papywizard on Nokia 770/N800/N810 and Windows 8/XP/2K.

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#11 2009-05-07 10:52:31

[bo]
community overseer
From: Bulgaria
Registered: 2006-05-05
Posts: 1839

Re: Different results with GPU

The very low end would be 8600GT, which you can find for 50 bucks probably... I'd recommend at least 9800GT, which should be more than enough for some time now and it also performs great in Photoshop with GPU enabled. If you plan to play games too, get some 260 - it's not that much more expensive!


Some of my panoramas, posted in the Autopano Pro flickr group.

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#12 2009-05-08 02:48:39

pgielen
Member
From: The Netherlands
Registered: 2008-03-12
Posts: 35
Website

Re: Different results with GPU

[bo] wrote:

The very low end would be 8600GT, which you can find for 50 bucks probably... I'd recommend at least 9800GT, which should be more than enough for some time now and it also performs great in Photoshop with GPU enabled. If you plan to play games too, get some 260 - it's not that much more expensive!

Thanks, at about 100 euros, the 9800GT is reasonably priced. So how about notebooks? My notebook needs replacing now that the battery is dead and Window (Vista as well as Windows 7RC) is irritatingly sllllooooowww. Since Autopano (apart maybe from Photohop) is the only app I use that uses the graphics card extensively, I'd like to find a notebook that will work perfectly with Autopano pro 2.

Pierre

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#13 2009-05-08 11:09:22

[bo]
community overseer
From: Bulgaria
Registered: 2006-05-05
Posts: 1839

Re: Different results with GPU

Any recent (model from 2009) laptop with separate video card should do the trick, I guess... For example, the Dell Studio 1537 comes with Radeon 3450, which is very common in laptops of this (cheap) class and has separate video memory (ie does not use system RAM for video purposes).


Some of my panoramas, posted in the Autopano Pro flickr group.

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