Le 30/09/2011 20:21, clipka nous fit lire :
> Am 30.09.2011 11:47, schrieb Jörg 'Yadgar' Bleimann:
>> Hi(gh)!
>>
>> With my current house project ("Port Whatmough Residential Area") I
>> encountered some strange artifacts when I tried to join two segments of
>> a roof railing (a straight and a curved one) with a sphere.
>>
>> The curved segment follows a rounded 90° cutout of the ground floor
>> having a radius of 3.5 units; as the railing generally is spaced 0.1
>> units inwards from the roof's eged, the curved segment's (technically a
>> section of a torus) radius is 3.6 units, therefore it's angular size is
>> slightly less than 90° (see second attached image).
>>
>> Although I've taken the resulting difference in the x direction (which
>> calculates as cos(atan(0.1/3.6))*3.6) relative to the eastern end of the
>> straight section into account, the spherical cornerpiece still does not
>> fit seamlessly.
> 
> I think that should be:
> 
>     cos(asin(0.1/3.6))*3.6
>   = sqrt(sqr(3.6)-sqr(0.1))
> 
> In addition, are you sure you cut the cylinder and torus properly?

If, as I now think, he used a translation of the clipping plane, the
answer is no. (a rotation should have been used)

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