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Messages - lolec

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Hardware / Re: Buy new monitor: dual HD or UHD?
« on: 2017-02-01, 04:55:49 »
This recommendation is not for everyone, but I've never been happier with a monitor since I got the massive 43" 4k Philips bdm4350uc.

Get it only IF:

-You will run it at 100% scaling, 3840 x 2160 of USABLE space. Can't be matched.

-Your work doesn't depend on 100% color accuracy. It's not bad at all, I do render, video editing, graphic design and product design without issues. But for sensitive (print) work I sometimes double check in another monitor.

- You have good eyesight. To fully take advantage and to see the whole thing you need to have it a little further back. Some people struggle reading text when they work at my desk, although I find it comfortable.

- You are not bothered by slight "burn in" of images that stay on screen for long. I'm usually very bothered about this kind of things, but it is very slight and I've learned to live with it. the burn in disappears after a few seconds when you change the image.

- You are willing to pay $750 - 850 for you monitor.  I saved for a year. worth every cent.

If you can get around those issues and feel constantly constrained by your workspace, get this monitor. I moved from a dual 1440p monitor setup and I'm never going back.

[Max] General Discussion / Corona@home
« on: 2017-01-03, 02:00:11 »
Owning a computer does not make sense for a big percentage of people. Just like owning a car will soon stop to make sense.

It's like installing a coffee maker for each person in the office, there is a huge computational potential that's just wasted :(

There are a few programs like SETI@HOME, Folding@Home or GIMPS that harness idle computing power to calculate some extraordinary stuff...

Now, I've used renderfarm services and I know "distribuiting" a render is not easy, you need to send the whole scene...

But I'm wondering, is there some part of the render work that can be easily distributed among other corona users?

I'm not saying exactly what a renderfarm does, it's most definitely not practical.  I know enough to understand why this idea sounds stupid, but not enough to be sure is completely impossible.

MAYBE there is some number crunching that takes a lot of computational resources and could be shared? Maybe corona users can rent their idle machine in some way?

Is that even possible?

[Max] I need help! / Re: Material Slot Quality
« on: 2016-10-26, 00:17:50 »
Thanks :)

[Max] I need help! / Material Slot Quality
« on: 2016-10-25, 23:49:57 »
Sometimes people post screenshots of their material slots with great quality render, the default is only a few passes, how can I increase the number of passes/render time of the material slot.

I realize it's a stupid answer but I've been searching for hours. Hope my Corona license is not revoked for asking such a stupid question :)

[Max] Resolved Feature Requests / Re: AUTO-Exposure please!
« on: 2016-10-14, 22:50:40 »
I'll be the first to admit that I'm not an expert on how Corona works, but if I'm able to change the exposure while it's rendering, shouldn't Corona be able to do the same ?

Also, if you are rendering a video, you don't want abrupt changes in exposure, so even if you transition from a dark place to a very bright one ( getting out of a tunnel ) It would be acceptable for Corona to take some time to get used to it. I don't think a 1 frame delay is a big deal, but as I said, Maybe exposure can be set just before saving.

[Max] Resolved Feature Requests / Re: AUTO-Exposure please!
« on: 2016-10-14, 20:56:33 »

look at the video of the sky here to see how well this approach works.

[Max] Resolved Feature Requests / Re: AUTO-Exposure please!
« on: 2016-10-14, 20:50:25 »
There might be a way to adjust exposure dynamically for animation, the same way Timelapse triggers (who don't know the future) adjust exposure dynamically.

It's called automatic BULB RAMP, in real life photography we change the exposure time over time, and the only way to do that easily is to set the camera into BULB mode and let the trigger control the exposure time by how long in presses the shutter, anyway, that's why it's called BULB RAMP. Of course corona could much easily change the exposure.

Here is an example of a sunset simulator and how the automatic BULB RAMP feature adapts over time.

This will only require to look an the previous rendered frames, and adapt future exposure slightly over time using a PID filter.

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