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From: stbenge
Subject: sluice
Date: 19 Feb 2010 14:13:31
Message: <4b7ee2db@news.povray.org>
Hi,

This is a quick render of a sluice box that I hope to build mostly out 
of materials available to me. The proportions are not exact; this is 
just a concept to explore how it might fit together using flashing, 
narrow metal edging, and rivets. I'll have to buy the miner's moss.

How are the light levels? I just got a new LCD monitor, so I'm having 
difficulty getting my rendered images to look correct.

Happy Raytracing,

Sam


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Preview of image 'sluice.jpg'
sluice.jpg


 

From: Thomas de Groot
Subject: Re: sluice
Date: 20 Feb 2010 03:20:39
Message: <4b7f9b57$1@news.povray.org>
"stbenge" <UN### [at] hotmailcom> schreef in bericht 
news:4b7ee2db@news.povray.org...
> Hi,
>
> This is a quick render of a sluice box that I hope to build mostly out
> of materials available to me. The proportions are not exact; this is
> just a concept to explore how it might fit together using flashing,
> narrow metal edging, and rivets. I'll have to buy the miner's moss.
>
> How are the light levels? I just got a new LCD monitor, so I'm having
> difficulty getting my rendered images to look correct.
>
> Happy Raytracing,
>
> Sam
>

Light levels look ok to me Sam.

Interesting construction (with excellent textures by the way). What is it 
used for? Water filtering?

Thomas


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From: nemesis
Subject: Re: sluice
Date: 20 Feb 2010 09:30:00
Message: <web.4b7ff0ec2ab464506ef8cd510@news.povray.org>
everything looks just perfectly nice and awesome as usual, including light
levels.


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From: stbenge
Subject: Re: sluice
Date: 20 Feb 2010 15:19:16
Message: <4b8043c4$1@news.povray.org>
Thomas de Groot wrote:
> Light levels look ok to me Sam.

Cool. That's what I wanted to hear :)

> Interesting construction (with excellent textures by the way).

It's really a cruddy model, considering the inaccuracies of the 
dimensions portrayed.

 >What is it used for? Water filtering?

A sluice box is used for separating gold from alluvium. It's a major 
step-up from the "golden fleece", a contrivance which was used as early 
as 5th century BC. A sluice box is much easier to clean :D


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From: stbenge
Subject: Re: sluice
Date: 20 Feb 2010 15:30:01
Message: <4b804649@news.povray.org>
nemesis wrote:
> everything looks just perfectly nice and awesome as usual, including light
> levels.

Thanks nemesis!

This monitor tends to bleach out images at certain angles, while making 
everything too dark at other angles... but I guess all LCD monitors 
behave in such a manner. It's my first LCD screen, so it's taking a 
little time to get used to it. I can't complain though, considering the 
price. It's sooo nice to have 1920x1080 resolution!

Actually, I can complain out the gaming experience. The scrolling in my 
favorite 2D games is rather choppy, but once again, you get that with 
all LCD displays. There's just no proper vertical sync. I'll have to 
keep my old CRT around as a second display for gaming :)


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From: Thomas de Groot
Subject: Re: sluice
Date: 21 Feb 2010 03:15:35
Message: <4b80eba7$1@news.povray.org>
"stbenge" <UN### [at] hotmailcom> schreef in bericht 
news:4b8043c4$1@news.povray.org...
>
> A sluice box is used for separating gold from alluvium. It's a major 
> step-up from the "golden fleece", a contrivance which was used as early as 
> 5th century BC. A sluice box is much easier to clean :D

Ah, yes! I understand now! Good luck. Is there still some gold left?  :)
Thanks to remind me of the golden fleece technique (and the mythology). I 
forgot all about that.

Thomas


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From: Dave Blandston
Subject: Re: sluice
Date: 21 Feb 2010 11:15:00
Message: <web.4b815b112ab46450cba3fb0f0@news.povray.org>
stbenge <UN### [at] hotmailcom> wrote:
> This monitor tends to bleach out images at certain angles, while making
> everything too dark at other angles... but I guess all LCD monitors
> behave in such a manner. It's my first LCD screen, so it's taking a
> little time to get used to it. I can't complain though, considering the
> price. It's sooo nice to have 1920x1080 resolution!

The resolution sounds great, except for one thing - longer render time for
full-screen images! I'm avoiding the change to LCD as long as possible for those
reasons you mentioned. I think the washed-out look is caused by poor contrast
ratio, but that seems to be improving lately. And LED monitors have extremely
high contrast ratios but also high price still. So I'll stick with a good CRT
for now...

Neat picture, by the way. I've used POV to design a few things that I actually
built with great success. One of my favorite projects was to design landscaping
for my front yard. I made a great render and then my homeowner's association
wouldn't approve it.

Good luck with your project!

Regards,
Dave Blandston


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From: stbenge
Subject: Re: sluice
Date: 21 Feb 2010 15:22:29
Message: <4b819605@news.povray.org>
Thomas de Groot wrote:
> Is there still some gold left?  :)

Yes, there is quite a bit of gold left. The current town my brother and 
I are prospecting is said to still have 70% of its placer deposits 
intact. When we checked it out the other day, I was seeing color in 
every pan I tried, which is a good sign.

When the sluice is finished we'll be able to retrieve gold at a much 
faster rate than panning alone. With gold prices the way they are, it 
looks like we'll be able to make up for the lack of real jobs available 
to us!


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From: stbenge
Subject: Re: sluice
Date: 21 Feb 2010 16:18:41
Message: <4b81a331@news.povray.org>
Dave Blandston wrote:
> The resolution sounds great, except for one thing - longer render time for
> full-screen images! I'm avoiding the change to LCD as long as possible for those
> reasons you mentioned. I think the washed-out look is caused by poor contrast
> ratio, but that seems to be improving lately. And LED monitors have extremely
> high contrast ratios but also high price still.

Yeah, rendering images at my new monitor's native res can take quite a 
while. But I can now see more of my code, which is a plus. Then again, 
LCD monitors are quite unforgiving when it comes to showing you how much 
noise is still present.

> So I'll stick with a good CRT for now...

I would have too, but my 11-year-old CRT finally kicked the can. I was 
forced to use a smaller (1024x768) CRT for a month, which was really a 
drag. It still has its uses, though :)

> Neat picture, by the way. I've used POV to design a few things that I actually
> built with great success. One of my favorite projects was to design landscaping
> for my front yard.

Did you ever post images of that?

Cool Metallica logo BTW. It's quite the CSG masterpiece!

> I made a great render and then my homeowner's association wouldn't approve it.

Isn't that just the way? HOAs are always pulling stuff like that. When 
my brother worked construction, he helped build a huge lodge in this 
area. The homeowners themselves appreciated his work so much that they 
commissioned him to also build a tree house to complement the main 
structure. When it was finished however, the homeowners' association for 
that neighborhood immediately tried to have the tree house torn down, 
saying that "it was an eyesore." Thankfully all of my brother's hard 
work didn't go to waste; the structure was allowed to remain. You can 
see the tree house at the bottom of this page:
http://bigtoelodge.com/


> Good luck with your project!

Thanks! It has been started already by my brother, who got a big jump on 
it yesterday, so it's pretty much out of my hands. Hopefully we'll be 
raking in the gold very soon. But not like the women from the 1800s who, 
afflicted with gold fever, actually tried using rakes to pull gold from 
the rivers...


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From: stbenge
Subject: Re: sluice
Date: 21 Feb 2010 16:21:10
Message: <4b81a3c6@news.povray.org>
stbenge wrote:
> faster rate than panning alone. With gold prices the way they are, it 
> looks like we'll be able to make up for the lack of real jobs available 
> to us!

Oops, gold prospecting *is* a real job; I meant to say "regular job" :)


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