Editing Images - Photoshop and Gimp

The basic skills you should master:


1. Compressing, saving in various formats (with different extensions) and size
2. Crop (ořez)
3. Changing brightness, sharpness, hue and other basic features
4. Making a part of the image transparent

Tasks:
1. Open your image in Photoshop. Work with Crop first (C). Remember - the main part of the image should be taken by the main object (or idea, or situation)
2.  Use LEVELS to set the Lightning (Photoshop: Ctrl+L, or Obraz - přizpůsobení; Menu in Gimp: Enhance - Adjust Lightning - Levels)
3. Adjust sharpness. play with blur :)
4. Working with layers and masks in Photoshop:

Open the image
Duplicate the layer (Ctrl+J)
Choose the type of layers combination (Měkké světlo, závoj...)
Přidejte masku vrstvy (možnosti - odkrýt vše nebo skrýt vše)
Malujeme do masky!


5. Use GIMP: Find two images and combine them into one, applying transparency (e.g. Donald Duck walking through Usti nad Labem :) )
6. Advanced: Try to do the same in Photoshop: make a collage of two photos!
tutorial in Czech


TIPS
How to make things transparent in GIMP:
Layers – Transparency – Add alpha channel
Choose the background using the magic wand.
The simplest method is to use Edit → Clear

You can also test transparency in Word - add the image into text and choose Formát obrázku - pozice - před textem.

How to make things transparent in Photoshop:
New Image - Background transparent
Import the image into a new layer
Magic wand - choose parts which should be transparent
Layer - Mask - Hide the choice (Vrstvy - maska - skrýt výběr)


Want a top quality image legally?
Visit Getty.



HOMEWORK:
Prepare 10 images which you will use in your vocabulary teaching HotPot project. Keep them in the original size + make the same set in web version (max size 40kb per image).


More information on image formats (in Czech) - HERE
How to make a good photography?

Roman Pihan - a whole web on photography, including tutorials, tips and galleries
Ondřej Neff - practiacal tips for all

Jednoduše na kompozici

GIMP online help (in English)