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DATE 2008-09-01

HANGOUT

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Key: Value:

Key: Value:

MESSAGE
DATE 2008-09-15
FROM Ruben Safir
SUBJECT Subject: [NYLXS - HANGOUT] Gimp Filters
Linux.com

Everything Linux and Open Source
GIMP User Filter allows use of Photoshop filters
September 15, 2008 (7:00:00 PM) - 9 hours, 29 minutes ago

By: Bruce Byfield

One brake on the GIMP's popularity is that, while it boasts dozens of
filters, a rival like Photoshop boasts thousands. You may only
occasionally need a special effect that imitates a pencil sketch or a
famous style of painting such as Impressionism or Cubism, but, when you
do, having a filter to create the effect instantly saves serious amount
of time. To help bridge this divide, the GIMP is reviving the User
Filter from its 1.x releases. This filter is a kind of meta-plugin that
allows users to import and manage Photoship filters or, if they have the
knowledge, to write their own.

The GIMP User Filter is available from the project's SourceForge.net
site as source code or as a Debian package that may or may not work on
Ubuntu, to judge from mailing list chatter. Once you install it, you
will find it under Filter - > Generic -> User Filter.

You can find links to Photoshop filters through the portal site
Photoshop Filters.com. The most useful links on the site are Filter
Factory, the largest filter repository for Photoshop, and The Filters, a
list of other filter collections. Before you start User Filter, you'll
want to download some of these filters, unzipping them if necessary.
Since these filters are not written by the free software community, they
are often not licensed, but, since they are available for download, you
can generally assume that they are public domain or shareware,
particularly if you are using them privately. Professional designers,
however, might want to check for licenses more carefully.
Working with User Filter

If you have never worked with GIMP or Photoshop filters, your first
reaction to the User Filter window may be pure panic. The Filter
Interface and Filter Formula sections of the Filter Editor tab, as well
as the entire Filter Control tab, may seem like gibberish in which the
only sense you can see is that the number 255 refers to the top value in
RGB color values.

Fortunately, if your only interest is in importing filters, you can
ignore the controls for writing filters. To import a Photoshop filter,
all you need to do is click the Open button on the Filter Editor tab and
navigate to your download directory. By default, the file manager
displays only .GUF (native GIMP files), so you need to change it to .8bf
(Photoshop filters) or, better yet, since some of the downloaded filters
may not have case-sensitive names and display their extensions as
all-caps, to All files. When you have selected a filter, you can see a
preview in the top left of the screen. To apply it to the currently
active file in the GIMP, click the OK button.

Should you find the filter worth keeping, go to the Filter Directories
tab to designate a storage directory for imports. If you save the filter
with a .GUF extension, you can save time the next time you use the
filter by going directly to the Filter Manager tab, which lists only
imported filters.
Writing filters

So far, so simple. However, taking User Filter to the next level is
probably a giant leap for most users. Using a duplicate copy of a
filter, you can experiment with some of the controls, especially ones
that change RGB color values, but you are unlikely to go farther without
detailed understanding of how a filter is constructed.

Since User Filter does not come with help yet, you will need to find
other sources to learn from. One starting point should be the Filters
section of the online GIMP help site, followed the Scripting section,
which may help you understand what you are dealing with. For more
detailed information, try the Filter Factory Programming Guide and the
GIMP Talk forum for plugins, filters, and scripts, and to ask specific
questions. However, you will probably need to be more highly motivated
than most people to master writing your own filter, since User Filter
clearly assumes that you are already familiar with the process.

For most of us, User Filter's main utility will probably remain as a
filter importer. Not all Photoshop filters import cleanly -- only about
80%, to judge from my more or less random experiments. Still, even that
is a huge improvement in the number of filters compared to what comes
bundled with the GIMP. It's enough, anyway, to help you shake the
suspicion that, by not actually writing your own filters, you're doing
the graphics editor equivalent of using a professional publishing
package to compose your grocery list.
Read in the original layout at: http://www.linux.com/feature/147173
--
http://www.mrbrklyn.com - Interesting Stuff
http://www.nylxs.com - Leadership Development in Free Software

So many immigrant groups have swept through our town that Brooklyn, like Atlantis, reaches mythological proportions in the mind of the world - RI Safir 1998

http://fairuse.nylxs.com DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002

"Yeah - I write Free Software...so SUE ME"

"The tremendous problem we face is that we are becoming sharecroppers to our own cultural heritage -- we need the ability to participate in our own society."

"> I'm an engineer. I choose the best tool for the job, politics be damned.<
You must be a stupid engineer then, because politcs and technology have been attached at the hip since the 1st dynasty in Ancient Egypt. I guess you missed that one."

© Copyright for the Digital Millennium

  1. 2008-09-03 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] C++ Workshop Const Functions
  2. 2008-09-03 swd <sderrick-at-optonline.net> Subject: [NYLXS - HANGOUT] InstallFeast scheduled anytime soon? Thanks.
  3. 2008-09-07 Elfen Magix <elfen_magix-at-yahoo.com> Subject: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  4. 2008-09-07 Elfen Magix <elfen_magix-at-yahoo.com> Subject: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  5. 2008-09-07 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  6. 2008-09-07 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  7. 2008-09-07 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  8. 2008-09-07 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  9. 2008-09-07 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  10. 2008-09-07 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] installing gtk and gtkmm by hand
  11. 2008-09-08 From: =?utf-8?B?SmFzb24gSGFyZG91aW4=?= <jhardouin-at-infoblox.com> Subject: [NYLXS - HANGOUT] =?utf-8?B?Q3JpY2tldCBMaXUgRXZlbnQ6IFBhdGNoIE5vdyBvciBQYXkgTGF0ZXI6IE5ZQywgT2N0b2JlciAx?=
  12. 2008-09-10 Ruben <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Vectors as parameters in constructors
  13. 2008-09-11 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] 9-11
  14. 2008-09-11 From: "Ronny Abraham" <ronny.coder-at-gmail.com> Re: [NYLXS - HANGOUT] 9-11
  15. 2008-09-11 Contrarian <adrba-at-nyct.net> Re: [NYLXS - HANGOUT] 9-11
  16. 2008-09-11 From: <mlr52-at-michaellrichardson.com> Re: [NYLXS - HANGOUT] 9-11
  17. 2008-09-12 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] In case you missed it
  18. 2008-09-12 einker <eminker-at-gmail.com> Re: [NYLXS - HANGOUT] In case you missed it
  19. 2008-09-12 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] In case you missed it
  20. 2008-09-12 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  21. 2008-09-12 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  22. 2008-09-12 swd <sderrick-at-optonline.net> Subject: [NYLXS - HANGOUT]
  23. 2008-09-12 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Its a war
  24. 2008-09-12 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Multiple Webservers, 1 IP#
  25. 2008-09-15 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Gimp Filters
  26. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [malmonte-at-searchedp.com: HP-UX Senior Systems Analyst.]
  27. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [ruben-at-mrbrklyn.com: [NYLXS - HANGOUT] Free Software Chamber of Commerce: Healthcare Focus] 13 O Aug 11 Jesse Becker ( 26) Re: [Dclug] Results
  28. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Next NYLXS Meeting
  29. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Meetup.Com
  30. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Living On Cat Food
  31. 2008-09-16 From: "Ronny Abraham" <ronny.coder-at-gmail.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  32. 2008-09-16 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] Living On Cat Food
  33. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  34. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  35. 2008-09-16 From: =?utf-8?B?SmFzb24gSGFyZG91aW4=?= <jhardouin-at-infoblox.com> Subject: [NYLXS - HANGOUT] =?utf-8?B?Q3JpY2tldCBMaXUgRXZlbnQ6IFBhdGNoIE5vdyBvciBQYXkgTGF0ZXI6IE5ZQywgT2N0b2JlciAx?=
  36. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Cricket Liu Event: Patch Now or Pay Later: NYC, October 1
  37. 2008-09-16 From: "Ronny Abraham" <ronny.coder-at-gmail.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  38. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  39. 2008-09-16 From: "Ronny Abraham" <ronny.coder-at-gmail.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  40. 2008-09-16 einker <eminker-at-gmail.com> Subject: [NYLXS - HANGOUT] Lenovo halts online sales of Linux-based PCs
  41. 2008-09-16 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Next NYLXS Meeting
  42. 2008-09-16 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  43. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [Events-at-enterpriseannounce.com: Join Us - Exclusive Executive Luncheon]
  44. 2008-09-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] C++ Instructor
  45. 2008-09-17 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] Living On Cat Food
  46. 2008-09-17 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  47. 2008-09-17 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [raj-at-brainlink.com: Followup from our call]
  48. 2008-09-17 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [malmonte-at-searchedp.com: Website Project/Technical Manager.]
  49. 2008-09-17 email <ray-pub-at-rcn.com> Re: [NYLXS - HANGOUT] Living On Cat Food
  50. 2008-09-18 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] NYLXS Meeting
  51. 2008-09-18 richard-at-weait.com Subject: [NYLXS - HANGOUT] NYC Open Source Mapping event this weekend
  52. 2008-09-21 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] DRM is Theft
  53. 2008-09-21 Kevin Mark <kevin.mark-at-verizon.net> Re: [NYLXS - HANGOUT] DRM is Theft
  54. 2008-09-21 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] DRM is Theft
  55. 2008-09-22 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Meeting Tomorrow
  56. 2008-09-22 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [Events-at-enterpriseannounce.com: Join Us - Exclusive Seminar at Smith & Wollensky]
  57. 2008-09-23 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [malmonte-at-searchedp.com: PERL Developer]
  58. 2008-09-23 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] Killing a Posted Refresh
  59. 2008-09-24 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Advanced Internet in Jersey City
  60. 2008-09-24 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Glade-- for SuSE 9.4 or 9.3
  61. 2008-09-25 swd <sderrick-at-optonline.net> Re: [NYLXS - HANGOUT] Meeting Tomorrow
  62. 2008-09-25 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Meeting Tomorrow
  63. 2008-09-25 swd <sderrick-at-optonline.net> Re: [NYLXS - HANGOUT] Meeting Tomorrow
  64. 2008-09-29 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Shana Tova
  65. 2008-09-29 Elfen Magix <elfen_magix-at-yahoo.com> Re: [NYLXS - HANGOUT] Shana Tova
  66. 2008-09-29 From: "Paul Robert Marino" <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] Shana Tova
  67. 2008-09-29 From: "Paul Robert Marino" <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] Shana Tova
  68. 2008-09-29 email <ray-pub-at-rcn.com> Subject: [NYLXS - HANGOUT] wget & mirrors
  69. 2008-09-30 Mark Simko <msimko-at-optonline.net> Re: [NYLXS - HANGOUT] wget & mirrors
  70. 2008-09-30 Mark Simko <msimko-at-optonline.net> Re: [NYLXS - HANGOUT] wget & mirrors
  71. 2008-09-30 Matthew <mph-at-dorsai.org> Re: [NYLXS - HANGOUT] wget & mirrors
  72. 2008-09-30 From: "Paul Robert Marino" <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] wget & mirrors
  73. 2008-09-30 From: "Paul Robert Marino" <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] wget & mirrors
  74. 2008-09-30 From: "armando fonseca" <afonsec2-at-gmail.com> Re: [NYLXS - HANGOUT] Shana Tova
  75. 2008-09-30 Amy Coleman <acoleman-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Shana Tova

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