-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi,
you might want to use the "Channel Mixer" plugin. Try one of the b/w presets.. hopefully it helps. Jens On 10/31/2012 10:26 PM, Ulrich Pegelow wrote: > Am 31.10.2012 21:09, schrieb Juan Luis Fernández Gallo: >> Hi, >> >> I've found that difference blend module would be useful to get >> something like a "visible mask" when using the sharpen plugin. >> This blend mode gives information about the impact of the >> sharpening in the image, with white lines that get lighter when >> you give more force to the sharpening. However, the difference >> mode gives a strong blue screen, so that white lines are >> difficult to see. Is there a way to change that blue color? It >> would be nice to have a neutral grey instead, IMHO. >> > Hi, > > this is a known issue. Blend mode "difference" works well for > modules in RGB color space but gives a blue tint in Lab (that's the > color space where sharpen operates in). I have not found a good way > to handle with this issue yet. Software like Photoshop solve this > problem by not offering this blend mode for images in Lab. > > If someone has a good idea, I am fine to implement it. Probably we > would need to limit ourselves to the L channel and sacrifice a and > b. > > Ulrich > > > ------------------------------------------------------------------------------ > > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics Download AppDynamics > Lite for free today: http://p.sf.net/sfu/appdyn_sfd2d_oct > _______________________________________________ Darktable-users > mailing list [email protected] > https://lists.sourceforge.net/lists/listinfo/darktable-users > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iEYEARECAAYFAlCRis4ACgkQbyTZFOIr/d18zgCeLAwLuRNZ/9bADHGYmq/8B96b TqMAoMqFNqzdT2iwNQLbG2kjy7kKE0WX =5mMF -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_sfd2d_oct _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
