Le 16/08/2013 18:14, johannes hanika a écrit :
> i also remember him mentioning that for some shots a darktable linear
> output performed better? maybe that's one of those?
Don't know. Doing more testing I found also another issue. In very dark
pictures the back are not well displayed.
It may be because there is no enough step in this area. In Torsten data
I had very close step in the dark area:
{{{{0.000000, 0.000000},{0.000100, 0.000647},{0.001000,
0.000753},{0.010000, 0.005992},{0.030000, 0.036068},{0.070000,
0.154459},{0.100000, 0.240735},{0.150000, 0.361325},{0.200000,
0.453970},{0.250000, 0.534198},{0.300000, 0.610010},{0.350000,
0.681030},{0.400000, 0.741190},{0.450000, 0.793201},{0.500000,
0.837424},{0.600000, 0.905934},{0.700000, 0.952744},{0.800000,
0.986707},{0.900000, 0.999955},{1.000000, 1.000000}}}, {20}, {m}}, 1}
With the C program I have:
{ "new measured basecurve", "insert maker", "insert model", 0, 51200,
{{{{0.000000, 0.003646}, {0.001527, 0.000984},
{0.003337, 0.001873}, {0.005297, 0.002998}, {0.011721, 0.007421},
{0.013958, 0.009625}, {0.036452, 0.051459}, {0.046685, 0.079195},
{0.076948, 0.176911}, {0.108639, 0.264469}, {0.151286, 0.365478},
{0.226274, 0.498333}, {0.268426, 0.562664}, {0.301357, 0.612374},
{0.393422, 0.731714}, {0.523918, 0.853243}, {0.598892, 0.903641},
{0.691715, 0.948632}, {0.899288, 1.000000}, {1.000000, 1.000000}}},
{20}, {m}}, 0, 0},
As you see I have a very close step from 0 to 0.0001 where it goes from
0 to 0.001 for the C generated data.
Pascal.
--
Pascal Obry / Magny Les Hameaux (78)
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http://www.obry.net
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