Le 16/09/2016 à 00:34, Jim Holsenback a écrit :
> On 9/15/2016 12:59 PM, William F Pokorny wrote:
>> On 09/15/2016 12:03 PM, Jim Holsenback wrote:
>>> On 9/15/2016 7:13 AM, William F Pokorny wrote:
>>>> FYI - A new object in the "lemon" is in the master branch and not yet
>>>> documented in povray's documentation. Jérôme has some documentation for
>>>> it already on his page at:
>>>
>>> it's been added http://wiki.povray.org/content/Reference:Lemon
>>>
>>> looks like the opening paragraph could use some help so I also created a
>>> talk page as well: http://wiki.povray.org/content/Reference_Talk:Lemon
>>>
>>
>> Thanks. I've attempted some descriptive text at:
>>
>> http://wiki.povray.org/content/Reference_Talk:Lemon
>
> a combination of both: http://wiki.povray.org/content/Reference:Lemon
>

I really liked the passage about the american football and other real 
evocations. It gave flesh to the description.



The constraint on minimal inner_radius is really a dangerous beast:


If base & cap radius are both 0, the inner_radius must be at least half 
the distance between base and cap point (it would be a sphere)

So, as stated, the doc is false.


If base & cap radius are identical, the minimal inner_radius would be 
sqrt( radius² + (distance/2)² ) , where distance is the length between 
base and cap points.

when base & cap radius are different, it become nightmare (the exact 
equation is in the code, if you dare to want to know it).

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