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Thanks Damsel for posting the Sickleyield Youtube link. That has really helped. I'm currently rendering a brand new scene and it is looking fantastic!
No there isn't : I copied and pasted this from the log from where I shut down studio and restarted and of course the renderer started right away and I had to shut it off again using draw stop
Iray INFO - module:category(BLEND:RENDER): 1.1 BLEND rend info : blend render (build 231000.7639, 21 Feb 2015) initialized
*** Scene Cleared ***
DEBUG: End DAZ Studio to Hexagon Bridge log...
--------------- DAZ Studio 4.8.0.4 exited ------------------
~
+++++++++++++++ DAZ Studio 4.8.0.4 starting +++++++++++++++++
Platform bits: 64
Qt Version: 4.8.6
OpenSubdiv Version: 2.3.5
Running on Windows 7, Build 7601, Service Pack 1
CPU Information:
No, that's what I was looking for - it does seem to be shutting down normally. Make sure you don't have nVidia Iray selected in the draw style for the viewport or the Aux Viewport, that's the little sphere next to the camera/view picker at top-right.
thank you very much Richard, that was the problem :)
Thanks! But it is weird that there is no fireflies coming out when im using HDRi...
That's similar to other unbiased renderers. They usually show with lights and the things mentioned, but less with HDR.
It's the one with 2,304 cores. No TI :red:
Still, the 780 is a more powerful card than others. Be glad you have it. All nvidia cards are not equal and more recent does not mean more powerful. Different things have been tweaked in the later cards for game related performance, not CUDA performance.
I have a 780 6GB on my wishlist.
Cancel from the progress bar, not the render window, and the ender will stay open.I recommend moving the progress bar off to one side so that you can see it even when the render window is on top - switch to the application window, move it, and switch back to the render. The progress bar (unlike the render window) will remember its placement.
It 'could be' a physically based effect for still image if any render engine took time into account such that camera movement/object movement could be defined for time of shutter opening similar to what would actually happen irl, animation style. In fact, not having some actual time/animation component in will limit 'photo realistic' in some ways. Whenever 'shutter speed is included (always to some extent) and potential object/scene/camera jitter taken into account that level of realism will always be missing, (although only of issue in some artistic applications.) Technically, depth of field is tied directly to shutter speed/aperture combination, so this is by definition also a hack without said time component.
IES! Yes! Thank you. That was the term I was trying to remember before when someone was asking about light values (in other channel with questions about IRay.) And, the link is a good one, one of the ones I would have posted if I hadn't temporarily lost it. ;)
For anyone not familiar with IES, I recommend doing some research into this. It's lighting's equivalent to PBR basically. And in case anyone missed the main point of PBR, it's that shaders will act consistent in different types of lighting so that as long as we are using photometric or IBL lighting and PBR shaders, we should be able to swap out lights/shaders and get predictable results. It's not actually that they themselves will 'look more real' but rather more consistent/predictable. The end result is that the product you buy should actually render more like the promo pictures right out of the box rather then having to fight with lights and other settings just to keep it from going weird green, etc...
Even if you cancel the render, you haven't lost it. It will be underneath the main DS window. However, if for some reason, you've closed it, use the Save Last Render option. It's always available to save until you start another render.
Re your computer - I also have the GTX66TI. I bought it less than 2 years ago, when it was a high-end card. I saw a comparison chart the other day on a hardware site and the 660 was listed..... somewhere near last place. And the other cards weren't even high-end - mostly 2Gb cards, 780s, etc.
So now I've ordered a 970. LOL.
mac
That is just core processing. Note that it only has 2GB, which is not weighted the way we would be here. This is typical with 'best bang for your buck' rating systems re; video cards.
Quick note for anyone considering spending $$ on a new card. MSI has a notebook out with 8GB of video memory. There is currently no mainstream desktop video card with 8GB on it, but they are supposedly overdue. Something to consider as all cards will probably drop in price when they finally do come out.
You sure it's 8GB dedicated vram? What model?
I've never seen a card that offers 8GB VRAM let alone on a laptop
Even if you cancel the render, you haven't lost it. It will be underneath the main DS window. However, if for some reason, you've closed it, use the Save Last Render option. It's always available to save until you start another render.
Re your computer - I also have the GTX66TI. I bought it less than 2 years ago, when it was a high-end card. I saw a comparison chart the other day on a hardware site and the 660 was listed..... somewhere near last place. And the other cards weren't even high-end - mostly 2Gb cards, 780s, etc.
So now I've ordered a 970. LOL.
mac
I have a Gigabyte 970 G1. Badass card.
MSI notebook w 16gb main memory **8GB* video memory on 980m ... 1tb hd and 128gb m2 SSD, 6 USB 3.0 ports, 17.3” screen, blu-ray burner, i7 4710hq 2.5ghz proc, ....
http://www.microcenter.com/product/440671/GT72_2QE_Dominator_Pro-211_173_Laptop_Computer_-_Aluminum_Black
And yes, I have verified it's not a misprint.
...there is one, unfortunately not by Nvidia.
http://www.eteknix.com/sapphire-radeon-r9-290x-vapor-x-oc-8gb-graphics-card-review/
Is there a direct relationship between the number of Cuda cores and the speed of an iray render - if a card with 384 cores takes 20 minutes is it likely that a card with 1600 cores will take around 5 minutes, all other things being equal?
Well, my first render with Iray. All shaders are Iray shaders. Pretty happy with it, but... what about the eyes? The sclera is very dark and the Cornea seems to be in front of the tear. Any idea?
Thanks guys! :-)
I'd suggest lighting a little from the side, and use some sort of screen behind or off camera on the other side to get some back lighting.
(You don't need another light, just a surface for the light to reflect from)
Thanks, I guess I figured it out. Somehow the Reflection material wasn't set to Iray shader. :-)
I've had the same problem with a scene I did for the DAZ Social Media Contest. It renders in 3Delight just fine, of course, but not in Iray.
If I hide parts of the scene, I can render what isn't hidden. I can render all of the objects that way, but I can't render all of them together. It hangs DS and the only way I can "stop" the render is to shut down the program using Windows. I've applied Iray Uber Base to everything in the scene. And I've used Texture Atlas to decrease the size of textures on the miniatures. So far, no go.
I think the scene requires too much memory, but it could be something else. And I don't have a video card, just the integrated graphics on the motherboard. And so far, I've only had this issue with the one scene. Everything else I've tried has worked fine, with or without applying the Iray Uber Base.
Is there a direct relationship between the number of Cuda cores and the speed of an iray render - if a card with 384 cores takes 20 minutes is it likely that a card with 1600 cores will take around 5 minutes, all other things being equal?
Kind of sort of... with advances things change. More CUDA cores will in general make it faster. There are other factors such as core clock speed, etc. It's easier to compare between cards of the same generation as there are driver differences, too. A gtx 780 ti is faster than a gtx 780 because it has 500 more cores. Often they are factory overclocked as well. But a gtx 780 with 6GB of RAM on it will keep you from getting kicked to just a CPU render in Iray because you have too much stuff in your scene. Most 780 ti cards have only 3GB of RAM.
...there is one, unfortunately not by Nvidia.
http://www.eteknix.com/sapphire-radeon-r9-290x-vapor-x-oc-8gb-graphics-card-review/
Ok, now I see the source of the whole VRAM confusion. Tech writers misusing a term that has caught on by people in the general public. VRAM has not been on the market for many years. It was supplanted by SDRAM, multiple generations ago.
I'll point out that one reason to use 3delight over Iray may be memory.
If I want a scene with a dozen figures in it, I might find it necessary to do it with 3delight ... It might just be beyond my equipment.
Though I'll have to experiment with lower Rez figures, first.
This is my 5th render with Iray. Not great by any stretch but it is fast. This took 20 minutes gpu only with a 780ti. I did a similar one, with just G2F a wall and floor, with hdr, 2 emitter lights and a photometric spot, rendered in 4 minutes 54 seconds.
They have been available on laptops for a few months now - the GTX 980M comes in two configurations, one with 8GB and one with 4GB. There is also the GTX 970M with 3GB or 6GB of RAM (dedicated ram - not shared). If either of these don't give you enough power, you can get a dual card laptop with either two 6Gb 970M's or two 8Gb 980M's as well (the MSI GT80 Titan for example - http://www.pro-star.com/index.php?r=product/index&filter=28).
Due to an unfortunate accident a few months ago, my laptop (my 3D computer) just died. So I've been drooling over some of the available 970M & 980M options the last couple of days. Quite pricey, but you can find/configure a dual 970M system with 32Gb of ram for under $2,500 dollars. A lot of $$$ by toady's standards - but not that long ago a good 3D desktop would cost more. A MacBook Pro with a 15" Retina display, 16Gb of ram, and a 2Mb GTX 750M will set you back $2,499 today (hmmm ,,, can you tell I'm trying to justify one of these to myself).
The 980M is also in the top 10 for GPU performance (including Nvidia and ATI), not to bad for a laptop GPU!!! Would be great with Iray and Octane!!!
It may not be beyond your system, but it may be beyond your GPU. Whether 3Delight is then faster than Iray in CPU mode will depend on the lighting.
However here are the physically correct settings. Apply thin water to eye reflection (simulates a thin coating of water on the eye), tear and cornea. Change the refraction of the Cornea to about 1.37.
You can use the same settings for other figures. Note since Genesis 1 does not have an Eye Reflective surface, you are likely to have only a small reflective area on the eyes.
If you convert the shaders to the Iray base you can turn up the bump. Be advised though, the bump in 3delight is absolute, the bump in most other tender engines is relative (to include both Iray and Carrara). You will have to have different bump settings on the face than the torso and manually adjust until it looks right to you. Then adjust the limbs to match the torso. Otherwise you get seams.