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Re: Apple told to warn against charging phone in bath after man's electrocution

Cross-posted to 4 groups.

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On Sat, 15 Apr 2017 23:25:11 +0100, Snit <usenet@gallopinginsanity.com> wrote:

> On 4/15/17, 1:49 PM, in article op.yyq745m8js98qf@red.lan, "James Wilkinson
> Sword" <imvalid@somewear.com> wrote:
>
>> On Wed, 12 Apr 2017 01:41:32 +0100, Snit <usenet@gallopinginsanity.com> wrote:
>>
>>> On 4/11/17, 3:33 PM, in article op.yyjx9ibvjs98qf@red.lan, "James Wilkinson
>>> Sword" <imvalid@somewear.com> wrote:
>>>
>>>>>>> Impossible. You can't make tech to meet halfways where one is
>>>>>>> "additional" and the other is "subtractional" colors
>>>>>>>
>>>>>> I you look at the RGB colour wheel, the printer inks are halfway between
>>>>>> each. Why not exactly halfway?  They're halfway BECAUSE they're additional
>>>>>> and subtractional.  Have a think about it.  Cyan ink is between green and
>>>>>> blue on the wheel - it absorbs red.  Magenta ink is between red and blue,
>>>>>> it absorbs green.  They should be precisely opposite.
>>>>>>
>>>>> The CMYK gamut (color range) is not the same as the RGB... this adds
>>>>> complications.
>>>>
>>>> Funny how printers can produce any colour you see on the screen.
>>>
>>> But they cannot: <https://www.mgxcopy.com/blog/?p=406>
>>>
>>> About half-way down the page they show the color spaces of each. Here is a
>>> larger copy: <http://intranet.mcad.edu/sites/default/files/picture3_1.png>.
>>>
>>> Of course that image is not really very accurate -- after all, ALL the
>>> colors on it are showing on the screen!
>>
>> So you believe there are colours you can see in reality that are never shown
>> on your screen?   Funny how I've never observed a photo on my screen that's
>> missing a colour.
>>
>>> But print it out and compare it to your screen and see what it looks like.
>>
>> If what you're saying is true,
>
> Try it.

I have, it's identical.

>> no printer can produce what you see on the screen, so this nonsense you're
>> spouting about calibrated colour systems still won't work, as even pantone
>> isn't as big as RGB.
>
> How do you figure?

By using your own argument about colour spaces.

>> I've printed it and it's identical to the screen
>
> Low perception score for you. OK.

They are identical to my eyes.  I have perfect vision according to my doctor.  Are you a woman with 4 cones?

>> , but to be fair the example
>> you've given me is shit - just look at what colours are inside the CMYK area -
>> completely lacking and much more limited than any printer, even cheap crap.
>> There's virtually no green for a start.  Imagine a photo with some grassy
>> fields, it certainly comes out bright green on a printer, but according to
>> that image, there isn't much green available to CMYK.

-- 
If a cow laughs, does milk come out of its nose?

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Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-22 00:23 +0100
  Re: Apple told to warn against charging phone in bath after man's electrocution Snit <usenet@gallopinginsanity.com> - 2017-04-21 16:32 -0700
    Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-22 01:16 +0100

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