The PhotoGrey plugin works like colour filters
in black and white photography. It allows
unique balancing of greyscale conversions
based on selective colour filtering and
the same is even made possible on colour
images. The simplicity and effectiveness
of the process creates one of the most effective
photo-processing tools available.
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Original picture |
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Normal
"convert to grey/greyscale"
result |
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PhotoGrey
orange filter applied |
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PhotoGrey
green filter applied |
As the above shows, use
of PhotoGrey can selective highlight and
distinguish different hues when converting
to greyscale. The ability to apply any colour
as a filter allows subtle balancing to be
achieved allowing the simulation of different
black and white film types with different
colour sensitivities.
The latest version 1.1
adds horizontal and vertical colour gradient
filters, and a four point filter where a
separate colour can be assigned to each
corner. Additionally v1.1 has the option
to directly apply the filter result to the
illumination of the image, allowing simple
yet effective colour balancing as illustrated
in the samples below...
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Original
picture |
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Blue
filter : renders a dark,
low-key, atmospheric scene
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Red filter
: Similar in effect to a polarizng
filter, it accentuates the sunshine
and warm autumnal feel |
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Four
Point filter : Three red corners
and blue in the bottom right,
highlighting the left sunlit
tree and pushing the right sunlit
tree into shadow |
It's incredibly easy
to use; just pick the filter colours and
gradient type you want and apply. Photogrey
is available as a standalone product but
is provided free with the Sketcher
Plugin.
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