[pure-silver] FotoLab: darkroom software, version 3
- From: "Claudio Bonavolta" <claudio@xxxxxxxxxxxx>
- To: <silver-bits@xxxxxxxxxxxxx>, <chroma@xxxxxxxxxxxxx>, <pure-silver@xxxxxxxxxxxxx>
- Date: Sat, 29 Jan 2005 14:20:50 +0100
A quick word to tell you version 3 of my software is online:
http://www.bonavolta.ch/hobby/en/photo/fotolab.htm
You can only download the documentation (pdf) to check if it's worthwhile for
you.
Software is composed of two parts: dry and wet side.
Dry side:
- timer with precision down to 1/10s, it drives directly the enlarger through
the interface.
As previously, final countdown may use sound functions (beeps or vocal).
System can also drive the separate fan of some enlargers by indicating how long
the fan should
remain ON after the bulb switches off.
- metronome, it drives also the enlarger. Ventilator and sound functions are
also activated.
- test strip in stops progression, the geometric progression gives, in terms of
densities, constant
spacing from band to band.
This function drives directly the enlarger and exposes the bands.
- exposure adjustment calculation if you change one or more parameters like
paper sensitivity,
enlargment ratio, diaphragm, exposure factor given by a filter or if you just
want to adjust the
exposure by a fraction of a stop.
- exposure factor for multigrade filters.
- exposure factor for color filters.
- negative contrast calculation and matching paper grade selection. You can use
either the indicated
sensor or whatever darkroom tool indicating an exposure time.
- transmission densitometer. You can use either the indicated sensor or
whatever darkroom tool
indicating an exposure time.
- images database (not the proper word from a computing point of view) with
their shooting, storage
and printing parameters, included their masking sequence and layout. Various
exposures are given in
both time and stops values, a couple of buttons re-calculates the other scale.
Wet side:
- monitoring of the various films and papers processes.
Manual agitation is managed, sequence can be freely user definable.
- dilutions calculation using various modes.
- common photographic units conversion.
- developer time adjustment according to temperature change.
- chemical formulas database.
What's next ?
Basically, adding other RGB sensor based functions like: exposure meter(s),
color analyzer,
histogram, reflection densitometer, ...
Regards,
--
Claudio Bonavolta
http://www.bonavolta.ch
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