Op 27/09/2020 om 23:05 schreef Cousin Ricky:
> On 2020-09-27 4:44 PM (-4), Kenneth wrote:
>>
>>
>> That's quite clever, and works well! A nit-pic, though: It looks like the
>> 'shadow billboards' are not quite lined up with the actual tree 
>> billboards; the
>> shadows are a little bit offset from the trees (to my eyes.) Not as to 
>> the
>> direction of the Sun, but as to emanating from the 'trees' themselves. 
>> The
>> shadow billboards had to be rotated to face the Sun, so maybe their
>> rotation-axes are not correct, i.e., offset somehow from the y-axis 
>> 'center' of
>> each billboard(?)
> 

> is often no tree trunk shadow, probably due to them being narrower than 
> a pixel, and this makes the shadows seem disconnected from the trees.

Well gentlemen, this is interesting. Kenneth: I /think/ I have 
positioned the billboard correctly according to origin, but I might need 
to control this. Cousin Ricky: yes indeed, the trunks are a tad too 
narrow. Maybe I should have planted different trees :-)

-- 
Thomas

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