Le 13-11-29 10:10, clipka a écrit :
> Am 29.11.2013 13:09, schrieb Le_Forgeron:
>
>>> BTW, I'm still looking for a smarter name for that keyword. Anyone have
>>> any suggestions?
>>>
>>
>> only a few suggestion & hints via questions:
>>   1. what is the syntax ? Is it something like
>>
>> ....
>>    foobar { object MyObject repetition 20 movement ...
>>
>> ? Or something totally different (like photon adding blocks everywhere
>> ) ?
>
> The syntax of the feature per se is as simple as
>
>      OBJECT {
>        ...
>        blink [FLOAT,] FLOAT
>      }
>
> giving a time interval, in fractions of exposure time, during which the
> object is supposed to be visible in the scene (defaulting to "blink 0.0,
> 1.0", i.e. the entire exposure time).
>
> To use it for motion blur, you would use it as in the following example:
>
>      #local DeltaT = 0.1;
>      #for( T, 0.0, 1.0, DeltaT )
>        sphere {
>          <T,0,0>, 1
>          blink T, T+DeltaT
>        }
>      #end
>
>
>>   2. what is the intended effect ?
>
> The intended effect of the feature per se is to make a given object
> appear to be present in the scene only during a part of the exposure time.
>
> Thus, besides motion blur, it could also be used to simulate double
> exposure. E.g. you might add a "gost" to the image, an object that is
> transparent with respect to the remainder of the scene but opaque when
> it comes to occluding itself.
>
>

My propositions:
ephemeral
transitory


Alain

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