Meet the GIMP!

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Philippe is back and has found a way to implement 16 bit ON Gimp. 16 bit IN Gimp is left for Sven and all his helpers. (EDIT: Note that 2.6 has GEGL integrated, but still works only with 8 bit per channel! This Episode is kind of a joke!)

You see how to change the appearance of a font and give it a 3D chrome look. Then you’ll learn how to simulate a reflection of the surroundings and to repaint your car in a hurry.

Philippe is no teacher - but he gives you homework! Look out for the end of the show!

In case that you are interested in the CV2, Wikipedia has good stuff about it. And from own experience I can tell you that there is not much more frightening than going round a corner with speed in a 2CV. You are sure it will topple on its soft suspension. Perhaps a bit more frightening is to have one in the opposite lane in a curve….

New Python Script for managing brushes!

Philippe has written a script for managing brushes under Gimp. Check it out here in the forum. Perhaps you can help to make it better and to integrate it into GIMP?

The TOC

01:22  Ferrari and 2CV
03:00  Learning from others
10:30  The Background
11:30  Selecting a font
12:30  Modify the writing in a path
19:30  Bumpmapping
23:10  Getting the Chrome on
27:00  Reflection of the surroundings
32:00  Adding some sun glare
36:00  Adjusting the reflections, fine tuning
39:40  Repaint your car in a second!
40:00  Homework for you!

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… or was I reading the Gimp developers mailing list?

• there will be a bug fix release to 2.6.1 this week
• after that the work on 2.7 will start
• definition of goals for 2.8 is starting now
• on the list are already
  • merge the successful GSoC projects
  • attempt a port of the projection code (and perhaps more) to GEGL
  • change tools to draw using the Cairo library

You can access the list at https://lists.xcf.berkeley.edu/mailman/listinfo/gimp-developer

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Just a quick view on GIMP 2.6 - and a new video format (16:9) for “Meet the GIMP!”. Do you like it? There is a poll on the sidebar….

If you have any problems viewing this on your device, please write a comment here. I would love to have more screen estate, but if this collides with your viewing I’ll stick to the old format.

You find the relese notes for GIMP 2.6 at http://gimp.org/release-notes/gimp-2.6.html.

http://gimp.org/release-notes/gimp-2.6.html

Congratulations to Sven, Mitch and all the others!

If you don’t know “Meet the GIMP!”

It’s a weekly video podcast about GIMP, digital photography and graphics. Swings between tutorial and friendly ramblings. Have a look around on the site and into the archive.

Soon you’ll see a video here about setting up GIMP 2.6 and the new stuff I like.

Ubuntu Hardy 32 Bit packages (Ubuntu has the 32 bit, not GIMP….)

I have downloaded them from getdeb.net, zipped them together and put them on this server. One download for you instead of 8 and less load for them.

Unpack in an empty directory and install with “sudo dpkg -i *”.

Have fun - it’s great!

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Not so much progress on the noise side - I tried to reduce chroma noise with an option in UFRaw. The result is, well, see yourself in the image above (200% view).

1 - the noisy image

2 - the denoised image

3 - the denoised image with chroma noise reduction

4 - 1 and 3 combined with a mask for the edges.

I’ll explore soe more noise reduction options before I finish this image.

In the main part of this video you’ll see how to register an additional image into the already rotated and cropped  stack of layers.

The TOC:

Reducing Chroma Noise in UFRaw 03:00
Register an additional image into the layer stack 06:00
Moving the layer to a register point 06:30
Setting the center point for rotation 08:40
Cropping the layer to the image size 13:20
Checking the results 14:00
Recap 15:30
Why the Neon Filter? 16:20
When is an image finished? 18:10
Save as a new one layer image 19:40

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I am through a bad cold and nearly through an iris inflammation and so I loved to talk - you get a double dose of MTG tonight. Philippe helped me out last week - and he will be a regular contributor after that success.

After I solve the mystery behind the menue entry “Edit/Fade” I tackle an old image. Taken 4 years ago with my old camera (Nikon D70) at ISO 1600 and f=1/1.8. It’s noisy.

I use the noise reduction from UFRaw and combine two results of the RAW conversion - one with and one without noise - to one. As with the selective sharpening I left the edges of structures noisy and kept the noise out of the structureless areas. Of course this is done with layers and masks. with this technique you keep the structures crisp and the noise out.

After finishing this video, I found out that UFRaw has a well hidden option for removal of chroma noise. More next week.

This image still needs some work on it - I’ll show that in the next episode.

Joel has a lot to say about noise and I’ll go into some other noise reduction techniques in the future.

The TOC:

03:15 Edit/Fade
09:55 The image in UFRaw
14:45 Noise
16:40 Noise reduction in UFRaw
19:10 Comparing the images
22:50 The Plan
23:35 Making a layer mask with “Edge Detect”
29:40 Recap
30:40 Fine tuning with another layer
38:50 Rotating
41:50 Cropping

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As ususal, gimpusers.com has the ear on the ground and notices such stuff.

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This week I have outsourced the show again! Philippe will take us all along to a ride to the stars - building an image like this one from scratch.

The TOC will follow when I have seen the video again - I was so absorbed that I forgot to make notes.

I promised a link for the “User Filter”, which allows to use Photoshop filters in GIMP.

Do you like this kind of GIMP usage in the show? I come from the photographic side and made this podcast according to the stuff that I can do. But with Phillippe’s help a lot more is possible. What do you think? Post your comments here!

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Today I have a mixture of 3 topics for you. An other try to tackle the basics of the Zone System, a way to choose the right way through the maze of different ways to tackle a problem in Gimp and a method to counter vignetting and light falloffs with a layer in divide mode.

Before one of you comments about making vignettes: Just invert the mask and you have a vignette. Looks fine with a lot of images and John Arnold uses them all the time.

TOC

Setting display options 0:30
Zone System Philosophy 3:24
How to chose a way to tackle a problem in Gimp 10:20
Correct a vignette or light falloff 18:22
Using burn mode to emphasize colours 23:30

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My schedule at school is a bit different now - I can work on the show at Tuesday afternoon or evening. To be a bit more flexible with my afternoon I’ll publish the show from now on in a time window between 6 pm and midnight German time.

If you subscribe to the show with one of the buttons on the right you’ll have not to reload your browser all five minutes.