Le 2020-03-10 à 15:50, Le_Forgeron a écrit :
> Le 07/03/2020 à 20:35, Cousin Ricky a écrit :
>> On 2020-03-07 12:23 PM (-4), Alain Martel wrote:
>>> Le 2020-03-06 à 20:30, Cousin Ricky a écrit :
>>>>
>>>> ----------[BEGIN CODE EXCERPT]----------
>>>> // The official Olympic colors are from fairspielen.de.  For sable,
>>>> // an RGB equivalent of PMS 426C is used because the official #000000
>>>> // (pure black) is generally unsuitable for 3-D ray traced objects.
>>>> // The other colors are the official RGB values.
>>>> #declare c_Olympic_colors = array[5]
>>>> { srgb <0, 129, 200> / 255,  // azure
>>>>     srgb <252, 177, 49> / 255, // or
>>>>     srgb <37, 40, 42> / 255,   // sable via Pantone.com calculator
>>>>     srgb <0, 166, 81> / 255,   // vert
>>>>     srgb <238, 51, 78> / 255,  // gules
>>>> }
>>>> -----------[END CODE EXCERPT]-----------
>>>
>>> I see that they are using the heraldic names,
>>
>> The heraldic names were my idea, not theirs.  (I'm sure that the IOC
>> knows nothing of POV-Ray SDL.)  I used them because the colors were said
>> to represent those of the flags of the participant countries.
>>
>>> and there are two that are incorrect.
>>>
>>> «vert» should be «sinople» and means green, and «gules» should be
>>> «gueule» and stand for red.
>>
>> I used the only names I have ever seen for heraldic colors.
> 
> And for English speaker (of Heraldry), you were correct.
> 
> Gueules (fr) = Gules (en) = red
> Sinople (fr) = Vert (en) = green
> 
> As far as heraldic is concerned, the name is about the concept (there is
> no right srgb values, and no wrong either as long as it can be recognised)
> 
> That's totally different of vexillology (about flags), where each colour
> in a flag is specific.
> If you take the "blue" of France, Luxembourg, Netherlands, it is NOT the
> same.
> And they are also painful about the ratio of partition (and globally).
> (including the usage of flags at sea or in land)
> Compare the 10:19 of USA's flag (nearly twice as long as high) to the
> ratio of Switzerland (1:1 a square!)
> 
> Inland France is equal strips, on 2:3 ratio.
> But navy of France use 30:33:37 proportions.
> 
> 
That last one is the proportional area of each colours in %.
Red for 30% of the length, then white for 33% and blue for the last 37%. 
This makes all colours visually equal on a flag in normal low wind 
conditions.

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