GeForce has very low 16-bit quality compared to other solutions, it is a fact, and there are plenty of examples on the net somewhere to prove this.
When rendering to 16-bit mode, the GeForce uses a 16-bit buffer, so the more layered textures a particular area has, the more artifacts get introduced. Other GPUs use a 32-bit buffer for all modes, and thus get great looking 16-bit graphics (at a small performance cost).
Anyway, the interesting GPU at the moment is the Radeon 2, with its Truform technology that looks great.
Re:But why support Athlon first?
on
nVidia nForce
·
· Score: 1
VIAs high-performance P4X chipset
LOL!
You mean the one that corrupts your filesystem when you enable ATA66 or 100 disk access?
Well, it hasn't been released yet, so no. Also that bug is old, and relates to a fault with the Soundblaster Live! because it hogs the PCI bus. Although I agree that the PCI implementation should still be able to deal with it.
Never had problems with ATA-100 disk access using VIA motherboards, except when installing Windows 2000 on an ECS motherboard. That is due to buggy Windows 2000 drivers anyway.
Onboard graphics, ethernet, sound, and a few other goodies. Sounds like a Mac.
Heh, I thought it sounded very Amiga-like myself! All it is missing is Firewire, and I bet that will be included on many motherboards, as this is a performance all-in-one chipset.
Wonder if it is power-hungry, or if it can be used in laptops? This chipset would take over the performance laptop market if it did...
Also, can you get the following: a 3.5" bay cover, with two USB ports (connect to header on motherboard), two Firewire ports (connect to header on motherboard/Firewire card), headphone socket for audio, serial port for legacy, and maybe a nifty 1-line LCD display for geeks? That would be great.
Re:This bodes well for AMD
on
nVidia nForce
·
· Score: 1
You missed out:
SiS = open with specs, provide help with drivers (LinuxBIOS use SiS boards because of the help they get)
I disagree about NVidia. Their graphics drivers are closed source because they contain licensed technology that they are not allowed to release. Hopefully this will not be the case with nForce, so whilst nVidia will probably not be as open as SiS, they should not have a reason to close source everything.
Also, Intel chipsets are not all high performance. ServerWorks chipsets are. Intel integrated chipsets are pretty poor really, and need I mention i820?
Re:Probably will be a success
on
nVidia nForce
·
· Score: 4
Motherboards using nForce will be performance integrated mainboards. Also the price of the chipset will drop over time, I expect it will be $45 by the end of the year.
Also, there are integrated chipsets for AMD processors already:
1. SiS 730/733. Not a great performer, but really cheap. Quality to boot as well, but I have one running FreeBSD just great, using it at the moment). Also has network interface on-chip that performs fine.
2. VIA KM133. Integrated Savage graphics. Outperforms the i810/i815 chipsets by a reasonable amount.
3. VIA KL133. Integrated Trident graphics. Pretty crap I reckon, pitched against i810 though so what do you expect?
The VIA solutions do not have integrated networking. This is why a lot of boards sold are i810/i815 - for the cheap corporate market where a motherboard needs video, crap audio and networking.
VIA are aiming for that last market a lot with their C3 processor and PL133/PM133 chipsets. They will soon have all-in-one boards that are small, and incorporate: Video, Audio, Processor, Memory, Network, Modem, IDE, etc. There will be no need for any expansion slots (1 PCI will be provided though), and will use the new VIA iTX motherboard size (smaller than FlexATX).
Re:But why support Athlon first?
on
nVidia nForce
·
· Score: 4
A number of reasons I think:
1. XBox was originally designed to use an Athlon. Politics dictated that the PIII would be used in the end.
2. The PIII is at the end of its life, the Athlon has at least another 18 months ahead of it.
3. The PIII cannot take advantage of this chipset at all.
4. NVidia's bus licenses for the Intel platform are from Microsoft, they don't own them themselves, hence they can only make Intel chipsets for Microsoft.
4a. Intel might have given P4 licenses to the slow chipset makers (ALi, SiS) which won't compete with Intel, but look at what is happening within Intel with regard to VIAs high-performance P4X chipset!
Many people do not build great systems to run games on only, and this would be great - performance, and cheaper then buying separate components, and also enough oomph for a quick game or two.
nForce and SiS735 the future...?
on
nVidia nForce
·
· Score: 3
NVidias nForce chipset looks great, and has a great next generation chipset architecture with is crossbar architecture, dual DDR channels, etc. But it is expensive ($60 - $70 per chipset) and "only" incorporates GeForce 2MX (nForce 420 might be GeForce 2 Pro) graphics.
This puts it in a strange position in the market. The chipset is very powerful, yet the graphics will be decidedly average when the chipset is finally being sold on the market. It beats all the other integrated systems out there (the audio system is to die for, beating the SBLive! into a cocked hat) by a massive margin, but they only cost like $20 a pop anyway!
The SiS735 looks to be the other chipset to look out for, beating the VIA and AMD solutions at the moment, and being a much cheaper single chip solution.
Both chipsets incorporate next generation interconnects - nForce uses an 800MB/s Hyperlink connection, and the SiS uses a 1.2GB/s multi-threaded connection (possible due to the single chip design).
VIA will soon be releasing their second shot at a DDR chipset for the Athlon, called the KT266Pro, without the problems the first one had, and improved DDR memory interface.
Whatever, the future is looking great for the Athlon in terms of chipset support, which now covers the entire low to medium end of the market (up to workstations and low-medium end servers with the 760MP).
mumbles something about very dark yellows being emitted when red and green dots are placed close together, but not mixed.
Still, yellow ain't dark dull yellow is it?
That final sentence was playing on me. What is the difference between a red emitted light, and a red reflected light?:)
A red dot reflect red light, or in other words, it absorbs non-red light. A green dot absorbs non-green light.
So how can a mixture of red and blue dots reflect yellow light, whatever the resolution? The blue dot is actually absorbing yellow light! The red dot is reflecting yellow, because red is a mixture of magenta and yellow.
I will tell you, it doesn't, and two computer graphics courses at university and normal art qualifications tell me this. Yet you got +3 Insightful. Gah.
Have you heard of primary colours? Yellow, Cyan and Magenta? These colours are subtractive.
What you are saying is correct with additive colours - lights in other words. Put a red light and a green light close enough together, and it will appear yellow.
Think of it this way: if you mix green and red paint, you'll get an ugly mess. But if you make a fine array of alternating green paint spots and red spots, you'll actually end up with something like yellow.
No you won't - you will end up with an ugly brownish colour whatever way you mix it. Hence the existence of yellow paint, which you mention in the next sentence!
CMYK is for reflective media (magazines, etc), RGB is for emittive media (TVs, monitors, lights). If you are reflecting white, and then want to filter that into colours, you use an RGB filter, because the light is coming from behind, not reflecting off it (hence the word filter). This is known as a reflective backlight (or something, I forget).
Shine a red light and a green light at the same spot on a (white) wall - you will get yellow reflected back at you. RGB is additive, CMYK is subtractive.
Play around in the Gimp or Photoshop to see what happens in additive vs. subtractive modes.
Pixel shading should be possible. An e-Ink capsule (pixel) is a sphere with lots of black particles in it, that are either attracted to the electrode, or repelled. It stands to reason that there must be a way to get intermediate levels (half of the particles on one side for grey, etc)... Just how many levels is possible depends on the amount of particles in each e-Ink.
Actually, it is RGB, as the colour filters are filtering, not reflecting. However, when real colour e-Ink comes out, then the above CMYK pattern would work fine.
Then you will have 150dpi out of the bag anyway. You could get some pretty nifty sub-pixel antialiasing with such an arrangement, as you could double the resolution in both the X and Y axis - LCD subpixel antialiasing does triple the resolution in the X axis only.
With this e-Ink, is a pixel either on or off (monochrome), or can it have range of values between on and off, (greyscale)?
If it is the latter, then 300dpi is great, and I can't wait for greyscale PDAs to arrive using this technology. If not, then the technology still has a long way to go, as greyscale will have to be simulated using stipples.
I suspect it is the latter, otherwise colour would be pretty crap and ZX Spectrum style (8 colours!). All they have to do to increase the colour resolution is make the pixels thinner (1/3rd the width), not smaller overall. Even if they could only halve the width, you would have 150dpi colour displays, which would still be neat.
So, already I see Slashdottians doing a complete U-turn faster than it takes to say "George Bush". Earlier today, TiVo was evil, nasty, dictatorial and enslaving...
now their hardware is hackable and can be used to distribute video around a house (but could it stream video from another computer in the house - say a CD-jukebox all burned with MPEG movies?), so instantly people will forget about earlier ("Ooh, I've lost the functionality to record what I am currently watching" story).
Anyway, so what is the "PCI style" connector on the TiVo? Is it a PCI slot in reverse (connector instead of slot)? If so, then why not just get a PCI ethernet card, so some jiggery with the interface (turn a connector into a 90degree angle slot) and use that?
F*CKING BT-GOATSE.CX-INTERNET threw me off after 10 minutes online and then not let me back on again. 30 redials, all with engaged tone. calm... calm... calm... the glass has done nothing wrong.
I am pretty sure that copyright also applies to how things look as well. I sure as well don't want purple underlined words on my site - and that is altering how the page renders deliberately.
If I want this functionality, then I will download it myself. However that isn't the issue. The issue is with linking to unapproved material (material I have not approved) from a website that I have created.
Surely a better option is to give the power to the website creator - using cunning things known as hyperlinks!:) Maybe even "HyperHyperLinks", where the webpage author ca do the following in the HTML header:
[!--
[multilink name="linux"]
[mlitem href="http://www.linux.com/"]Linux.com
[mlitem href="http://www.linuxworld.com/"]Linux World
[/multilink]
--]
That would take the power from Microsoft and give it to the web site author. From the above example, for all instances of the word Linux in the webpage, the browser will show that there are "multilinks" in some way (purple underline?!), and then show you the web site authors intended links. You could even have a site-wide hyperlinks.xml file, like the site wide stylesheet.css file that you can have...
I agree 100% that Tivos should operate manually without subscription, because you bought the hardware; it's what's sensible, and that's what good businesses should do
1. The TiVo requires TV guide listings. Very detailed TV guide listings, that list actors, title, year, genre, channel, and a lot more. This isn't your bog standard tvguide.com stuff.
2. These listings are used to provide functionality to the system. This is clearly a value added service - the system will still work as a very capable digital recorder etc, even if you don't subscribe to the service. Just don't expect everything to work, as their manuals, etc, say.
I don't see what TiVo has done wrong, except upset a very small minority of TiVo owners who got a lot of hardware at cost price, and chose to use it as a simple manual VCR with time shifting capabilities.
The TiVo would do much better as a digital TV option (e.g., provided by the satellite TV company, etc), using that companies listings guide. This won't take long, and this is where TiVo will get their money, not from the early-adopters who are proving the concept.
You what? A rant asking for the TiVo CEO to do jail time? For improving their service for their paying subscribers?
The instant-record functionality is a bug that will be fixed when TiVo have the time to pay engineers to support the people who just use a TiVo as a fancy TV delaying system. The system is sold at cost price, so the little advert when changing channels is to be expected.
Talk about concentrating on the negative, and not the positive. Sickening. The whole thread is, to be honest though.
I ask you: Have you ever run a business? When running a business, is your priority the people who pay more, or the other people?
The only strange thing is that the software got updated in the first place - strange thing to do to a non-subscriber, in my opinion.
And to provide a comparison. In the UK the contention for home use is 20:1 (at 512Kbps), and for business use it is 5:1 (at 2Mbps) - this is almost a year ago as well.
Business Bandwidth Allocated By BT for UK DSL per 10,000 users: 4000Mbps.
Home Bandwidth Allocated by BT for UK DSL per 10,000 users: 250Mbps.
So this is reasonably fair for those of you who use 30GB of data transfer a month (assuming there are 500 of you in Australia out of the 10,000 DSL users I assumed). So my numbers must be pretty accurate above, so you know know the total bandwidth set aside for DSL for the whole of Australia - 150Mbps per 10,000 users.
Users are also capped at 512/256kbps, so how can "5% of users use 35% of the network" at anyone time?
Assume 10,000 DSL customers. 5% is 500 users. Download at 512Kbps each is 256Mbps, if they were saturating their link 100% of the time.
Assume that the high-end users utilise their link at 20% full saturation each day - 5 hours at 512Kbps or 10 hours at 256Kbps. This is still highly unlikely, but hey...
20% of 256Mbps is 51Mbps. Thus 35% of the network is 51Mbps, and their DSL network is a total of 150Mbps shared between all their users, by their own words.
Stick 10 cities on that network - Telstra are allocating 15Mbps of bandwidth for DSL to each city, or per 1,000 users. And that is being very generous towards Telstra. More accurate numbers would probably suggest under 10Mbps per city, maybe even 5...
So that initial statement is clearly very misleading and incorrect (read: lie), or the service is dreadful.
10Mbps divided between 1,000 people is 10Kbps of bandwidth per person. That is a contention ration of 50:1 - very poor.
Can I patent the cunning rotation by 22.5 degrees for layers 5, 6, 7 & 8 of those chips that have too many metal layers for their own good?
Or even my cunning "Suss out the best angle of rotation for all metal layers 3+" method? Meaning that if 37 degrees in one direction is better than 45 degrees, then that is used?
Slashdot Mirror
When rendering to 16-bit mode, the GeForce uses a 16-bit buffer, so the more layered textures a particular area has, the more artifacts get introduced. Other GPUs use a 32-bit buffer for all modes, and thus get great looking 16-bit graphics (at a small performance cost).
Anyway, the interesting GPU at the moment is the Radeon 2, with its Truform technology that looks great.
Well, it hasn't been released yet, so no. Also that bug is old, and relates to a fault with the Soundblaster Live! because it hogs the PCI bus. Although I agree that the PCI implementation should still be able to deal with it.
Never had problems with ATA-100 disk access using VIA motherboards, except when installing Windows 2000 on an ECS motherboard. That is due to buggy Windows 2000 drivers anyway.
Heh, I thought it sounded very Amiga-like myself! All it is missing is Firewire, and I bet that will be included on many motherboards, as this is a performance all-in-one chipset.
Wonder if it is power-hungry, or if it can be used in laptops? This chipset would take over the performance laptop market if it did...
Also, can you get the following: a 3.5" bay cover, with two USB ports (connect to header on motherboard), two Firewire ports (connect to header on motherboard/Firewire card), headphone socket for audio, serial port for legacy, and maybe a nifty 1-line LCD display for geeks? That would be great.
SiS = open with specs, provide help with drivers (LinuxBIOS use SiS boards because of the help they get)
I disagree about NVidia. Their graphics drivers are closed source because they contain licensed technology that they are not allowed to release. Hopefully this will not be the case with nForce, so whilst nVidia will probably not be as open as SiS, they should not have a reason to close source everything.
Also, Intel chipsets are not all high performance. ServerWorks chipsets are. Intel integrated chipsets are pretty poor really, and need I mention i820?
Also, there are integrated chipsets for AMD processors already:
1. SiS 730/733. Not a great performer, but really cheap. Quality to boot as well, but I have one running FreeBSD just great, using it at the moment). Also has network interface on-chip that performs fine.
2. VIA KM133. Integrated Savage graphics. Outperforms the i810/i815 chipsets by a reasonable amount.
3. VIA KL133. Integrated Trident graphics. Pretty crap I reckon, pitched against i810 though so what do you expect?
The VIA solutions do not have integrated networking. This is why a lot of boards sold are i810/i815 - for the cheap corporate market where a motherboard needs video, crap audio and networking.
VIA are aiming for that last market a lot with their C3 processor and PL133/PM133 chipsets. They will soon have all-in-one boards that are small, and incorporate: Video, Audio, Processor, Memory, Network, Modem, IDE, etc. There will be no need for any expansion slots (1 PCI will be provided though), and will use the new VIA iTX motherboard size (smaller than FlexATX).
1. XBox was originally designed to use an Athlon. Politics dictated that the PIII would be used in the end.
2. The PIII is at the end of its life, the Athlon has at least another 18 months ahead of it.
3. The PIII cannot take advantage of this chipset at all.
4. NVidia's bus licenses for the Intel platform are from Microsoft, they don't own them themselves, hence they can only make Intel chipsets for Microsoft.
4a. Intel might have given P4 licenses to the slow chipset makers (ALi, SiS) which won't compete with Intel, but look at what is happening within Intel with regard to VIAs high-performance P4X chipset!
Many people do not build great systems to run games on only, and this would be great - performance, and cheaper then buying separate components, and also enough oomph for a quick game or two.
This puts it in a strange position in the market. The chipset is very powerful, yet the graphics will be decidedly average when the chipset is finally being sold on the market. It beats all the other integrated systems out there (the audio system is to die for, beating the SBLive! into a cocked hat) by a massive margin, but they only cost like $20 a pop anyway!
The SiS735 looks to be the other chipset to look out for, beating the VIA and AMD solutions at the moment, and being a much cheaper single chip solution.
Both chipsets incorporate next generation interconnects - nForce uses an 800MB/s Hyperlink connection, and the SiS uses a 1.2GB/s multi-threaded connection (possible due to the single chip design).
VIA will soon be releasing their second shot at a DDR chipset for the Athlon, called the KT266Pro, without the problems the first one had, and improved DDR memory interface.
Whatever, the future is looking great for the Athlon in terms of chipset support, which now covers the entire low to medium end of the market (up to workstations and low-medium end servers with the 760MP).
mumbles something about very dark yellows being emitted when red and green dots are placed close together, but not mixed. Still, yellow ain't dark dull yellow is it? That final sentence was playing on me. What is the difference between a red emitted light, and a red reflected light? :)
Nice resolution though, 1300x768. Good for corporate presentations. And Quake III.
So how can a mixture of red and blue dots reflect yellow light, whatever the resolution? The blue dot is actually absorbing yellow light! The red dot is reflecting yellow, because red is a mixture of magenta and yellow.
I will tell you, it doesn't, and two computer graphics courses at university and normal art qualifications tell me this. Yet you got +3 Insightful. Gah.
Have you heard of primary colours? Yellow, Cyan and Magenta? These colours are subtractive.
What you are saying is correct with additive colours - lights in other words. Put a red light and a green light close enough together, and it will appear yellow.
No you won't - you will end up with an ugly brownish colour whatever way you mix it. Hence the existence of yellow paint, which you mention in the next sentence!
CMYK is for reflective media (magazines, etc), RGB is for emittive media (TVs, monitors, lights). If you are reflecting white, and then want to filter that into colours, you use an RGB filter, because the light is coming from behind, not reflecting off it (hence the word filter). This is known as a reflective backlight (or something, I forget).
Shine a red light and a green light at the same spot on a (white) wall - you will get yellow reflected back at you. RGB is additive, CMYK is subtractive.
Play around in the Gimp or Photoshop to see what happens in additive vs. subtractive modes.
Pixel shading should be possible. An e-Ink capsule (pixel) is a sphere with lots of black particles in it, that are either attracted to the electrode, or repelled. It stands to reason that there must be a way to get intermediate levels (half of the particles on one side for grey, etc)... Just how many levels is possible depends on the amount of particles in each e-Ink.
Actually, it is RGB, as the colour filters are filtering, not reflecting. However, when real colour e-Ink comes out, then the above CMYK pattern would work fine.
Okay, it will be CMYK, not RGB, silly me. Reflective!
Still, if the device is currently 300dpi, and you arranged the CMYK as so:
[1pixel]
CCCCMMMM
CCCCMMMM
CCCCMMMM
YYYYKKKK
YYYYKKKK
YYYYKKKK
Then you will have 150dpi out of the bag anyway. You could get some pretty nifty sub-pixel antialiasing with such an arrangement, as you could double the resolution in both the X and Y axis - LCD subpixel antialiasing does triple the resolution in the X axis only.
With this e-Ink, is a pixel either on or off (monochrome), or can it have range of values between on and off, (greyscale)?
If it is the latter, then 300dpi is great, and I can't wait for greyscale PDAs to arrive using this technology. If not, then the technology still has a long way to go, as greyscale will have to be simulated using stipples.
I suspect it is the latter, otherwise colour would be pretty crap and ZX Spectrum style (8 colours!). All they have to do to increase the colour resolution is make the pixels thinner (1/3rd the width), not smaller overall. Even if they could only halve the width, you would have 150dpi colour displays, which would still be neat.
now their hardware is hackable and can be used to distribute video around a house (but could it stream video from another computer in the house - say a CD-jukebox all burned with MPEG movies?), so instantly people will forget about earlier ("Ooh, I've lost the functionality to record what I am currently watching" story).
Anyway, so what is the "PCI style" connector on the TiVo? Is it a PCI slot in reverse (connector instead of slot)? If so, then why not just get a PCI ethernet card, so some jiggery with the interface (turn a connector into a 90degree angle slot) and use that?
F*CKING BT-GOATSE.CX-INTERNET threw me off after 10 minutes online and then not let me back on again. 30 redials, all with engaged tone. calm ... calm ... calm ... the glass has done nothing wrong.
http://www.activewin.com/articles/2001/xpie6.shtml
Crashes Konqueror consistently. Hmmm, ActiveWin. Way to go with your HTML coding guys...
Can you supply a link to the actual image file.
If I want this functionality, then I will download it myself. However that isn't the issue. The issue is with linking to unapproved material (material I have not approved) from a website that I have created.
Surely a better option is to give the power to the website creator - using cunning things known as hyperlinks! :) Maybe even "HyperHyperLinks", where the webpage author ca do the following in the HTML header:
[!--
[multilink name="linux"]
[mlitem href="http://www.linux.com/"]Linux.com
[mlitem href="http://www.linuxworld.com/"]Linux World
[/multilink]
--]
That would take the power from Microsoft and give it to the web site author. From the above example, for all instances of the word Linux in the webpage, the browser will show that there are "multilinks" in some way (purple underline?!), and then show you the web site authors intended links. You could even have a site-wide hyperlinks.xml file, like the site wide stylesheet.css file that you can have...
1. The TiVo requires TV guide listings. Very detailed TV guide listings, that list actors, title, year, genre, channel, and a lot more. This isn't your bog standard tvguide.com stuff.
2. These listings are used to provide functionality to the system. This is clearly a value added service - the system will still work as a very capable digital recorder etc, even if you don't subscribe to the service. Just don't expect everything to work, as their manuals, etc, say.
I don't see what TiVo has done wrong, except upset a very small minority of TiVo owners who got a lot of hardware at cost price, and chose to use it as a simple manual VCR with time shifting capabilities.
The TiVo would do much better as a digital TV option (e.g., provided by the satellite TV company, etc), using that companies listings guide. This won't take long, and this is where TiVo will get their money, not from the early-adopters who are proving the concept.
You what? A rant asking for the TiVo CEO to do jail time? For improving their service for their paying subscribers?
The instant-record functionality is a bug that will be fixed when TiVo have the time to pay engineers to support the people who just use a TiVo as a fancy TV delaying system. The system is sold at cost price, so the little advert when changing channels is to be expected.
Talk about concentrating on the negative, and not the positive. Sickening. The whole thread is, to be honest though.
I ask you: Have you ever run a business? When running a business, is your priority the people who pay more, or the other people?
The only strange thing is that the software got updated in the first place - strange thing to do to a non-subscriber, in my opinion.
Business Bandwidth Allocated By BT for UK DSL per 10,000 users: 4000Mbps.
Home Bandwidth Allocated by BT for UK DSL per 10,000 users: 250Mbps.
These numbers may or many not be accurate today.
To clarify this further:
512Kbps = 64KBps.
64KBps * 2600 = 230MB/h.
230MB/h for 5 hours = 1GB+/day
So this is reasonably fair for those of you who use 30GB of data transfer a month (assuming there are 500 of you in Australia out of the 10,000 DSL users I assumed). So my numbers must be pretty accurate above, so you know know the total bandwidth set aside for DSL for the whole of Australia - 150Mbps per 10,000 users.
Assume 10,000 DSL customers. 5% is 500 users. Download at 512Kbps each is 256Mbps, if they were saturating their link 100% of the time.
Assume that the high-end users utilise their link at 20% full saturation each day - 5 hours at 512Kbps or 10 hours at 256Kbps. This is still highly unlikely, but hey...
20% of 256Mbps is 51Mbps. Thus 35% of the network is 51Mbps, and their DSL network is a total of 150Mbps shared between all their users, by their own words.
Stick 10 cities on that network - Telstra are allocating 15Mbps of bandwidth for DSL to each city, or per 1,000 users. And that is being very generous towards Telstra. More accurate numbers would probably suggest under 10Mbps per city, maybe even 5...
So that initial statement is clearly very misleading and incorrect (read: lie), or the service is dreadful.
10Mbps divided between 1,000 people is 10Kbps of bandwidth per person. That is a contention ration of 50:1 - very poor.
Layer 4: \\\\\ 135 degree ///// 45 degree
Layer 3:
Layer 2: ----- 90 degree
Layer 1: ||||| 0 degree
Or even my cunning "Suss out the best angle of rotation for all metal layers 3+" method? Meaning that if 37 degrees in one direction is better than 45 degrees, then that is used?