I just pushed PDL::Transform::Color 1.002 to CPAN. This version includes:
- many useful color system transforms for color wonks
- extensive documentation
- pseudocolor support including both photometric and perceptual
mappings.
I also just pushed PDL::Graphics::Gnuplot v2.011 to CPAN. This version
includes:
- a minor bug fix cutting chatter on Microsoft Windows
- support for PDL::Transform::Color color tables
The PDL::Transform::Color support is via two new plot options: “pc”
(“pseudocolor”) and “pcp” (“pseudocolor - perceptual”). These cause image data
types to be converted to RGB using the PDL::Transform::Color color tables,
which are more extensive than the built-in “clut” support.
In particular, you can use “pc” color tables for photometric scientific data,
to get true luminance representations of the original data; and “pcp” color
tables for perceptually-linear color tables (including random images you pulled
off of a camera or the Internet).
Share and enjoy!
Cheers,
Craig
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