Shrinking population with auto-zoom ;-)

[RobbeK]

Hi all,

An eulogy for TB - TBGL and O2 !!


best Rob

[Petr Schreiber]

Hi Rob,

this is fascinating demo, thank you!

Do you think you could tune up the zooming to be less jumpy? So if the situation looks like zooming is necessary, it would start zooming in/out slowly towards new distance.


Petr

[RobbeK]

Hi Petr,

That's a fine challenge !
The problem is I do not know the end quantity of the cells, nor the shrinking parameters .

But, solving the problem à la Monte Carlo , I should be able to calculate something accurate enough.

Attached is a tracer following the shrinking and printing the end population.

Something as exp(-k) should do for zooming, what do you think (i mean e to the power k where k is negative - dunno how to type it).


thanks Rob

[RobbeK]

... bah, just linear ... ;-)

with Macro !

best Rob
(the cells also grow, the less the bigger )

[Petr Schreiber]

This zoom behaviour feels great! :dance1:


Petr

[RobbeK]

Thanks Petr,

(also tollerating the conversation between Mike an myself -- it was very fruitful however - and disappointing about NewLisp - TB outperforms it, and with the available parsing TB works great to convert into data arrays !)

However , if I may .. and this is unsimilar with Lisp TB parsing will also generate code for delimiting object of there is more than one next to each other (and or at front or end).

P.E. parse ("a b c d",an array, " ") is not identical with parse ("a b c d ",an array, " ") ; easy to make mistakes if not used (as I am) with it.

.. moment, I'll write something quickly ...


best Rob (is the adapter working ? -- Jupiters have the Leitz lens register distance of 28.8mm (mount to sensor/film) )

[Petr Schreiber]

Shady realm of off-topic
Hi Rob,

adapter works perfectly, the color rendering and sharpness is great. There are some bokeh light issues at specific distance, but generally good looking. If I'll have some time I will post examples in photo thread during the weekend.


Petr
End Of Shady realm of off-topic

[RobbeK]

Excellent, I'm very interested to see the results - the Jupiter (aka Carl Zeiss Sonnar) is one of those evergreens.
(the optical design is from the mid 1930's -- without computers -- I took a few years , I also have the f1.5 (7 lens elements) -- been told, the paperwork of the optical and mechanical calculations is about a 1 Metre pile of paper ).
Strictly speaking the bokeh is much smoother than those lenses using a Gauss configuration (which is > 90% of the modern prime lenses).

best Rob