Monday, October 4, 2010

photoshop

Bridge:Explain one thing you know about Photoshop. one thing i know about photoshop is that it's used for editing pictures.
Explain one thing you want to know about Photoshop. One thing i want to know about photoshop is i want to learn how to use it.

Essential Question:
How do you change the image size, resolution and color mode of a photoshop document?

Mini Lesson:
Resolution & D.P.I.
Bitmap, Greyscale, RGB Color, CMYK Color, & Lab Color

Work Period:
Go to this website
Answer the following questions:

1. How do you create a new page? What is the shortcut? Click CTRL N

2. The images you work with in Photoshop are composed of what? JPEG or if you add text or anything it would be PSD.

3. Explain resolution and d.p.i - The images you work with in Photoshop are composed of pixels, or "dots," and the resolution determines how many of these dots will be assigned per inch of the image. Resolution is usually measured in "dots per inch" or "d.p.i."

4. What happens if you try and enlarge a low resolution picture? it would be pixely .

5. How can you open an image you have saved on the computer? What is the shortcut? SHIFT + CTRL+S

6. How can you change an opened image from Greyscale to RGB?

7. How can you change the size of an opened image? Canvas size

8. What does constrain proportions mean?
If you wish to alter one dimension without changing the other, click on "Constrain Proportions" to remove the check.

9. What does canvas size mean? How can you change this? Click "IMAGE" at the top then change the width and height.

10. How can you anchor one side or corner of the image to the edge or corner of the canvas?  If you want to anchor one side or corner of the image to the edge or corner of the canvas, click the appropriate arrow in the "Anchor" section.

11. How can you crop an image? Where the tool box is, click the Crop tool. Then select the area you want to crop.