1. Introduction to the Desktop.
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The aim of this session was to familiarise the students with the Photoshop desktop pointing out the similarities and differences between it and the standard Windows desktop.
1. Use File > Open to open a colour portrait of yourself. Photoshop should open with the Navigator and Tools windows on the desktop. If these are not present use Window >Show Navigator and Window>Show Tools to open them.
2. On the Navigator window notice that the slider bar will increase or decrease the size of the image on the screen and click/dragging the cursor over the red box in the window moves the image within its window.
3. On the Tools window notice that clicking on a tool brings up a description of it at the bottom of the screen which often suggests other option for the tool.
4. The Default Colours in the colour palette are Black for the foreground and White for the background. The arrows to the top right of the colour selector swap these colours around. Clicking on a colour brings up a dialogue box which lets you choose another colour.
5. Experiment with changing these colours but then type D or click the small boxes bottom left of the colour selector to return to the Default colours. Early versions of Photoshop only allow you to Undo the very last change you made to an image and this is common in many image processing programmes. It is important to realise that if you need to change what you have done you must use the Edit>Undo command before you click on the image again.
6. Use the Navigator to make your image full size (100%).
7. Find the Smudge, Blur and Dodge Tools and experiment with them on your picture, but be sure to use the Edit>Undo command after each change. If a tool has a small arrow in its box hold the left mouse button down while pointing at it to see other options for the tool. Close your image but do not save it. An important group of processes for making changes to images come from using the Image>Adjust menus.
8. Open a Black and White portrait of yourself and a Colour portrait. Both images appear in the main window but you can only work on one image at a time. To make an image active click on it and make sure that the bar at the top of the window which contains the name of the file is blue.
9. With each
image in turn experiment with using the
Image>Adjust>Brightness/Contrast,
Image>Adjust>Threshold,
Image>Adjust>Posterise
and Image>Adjust>Variations commands.
