1. Digital Image Creation & Editing
Vector vs Raster

2. What is Raster? Image or images created with pixels
Can be a photograph or video
Can be in different digital formats such as jpg, gif, png, psd, tiff, mpg, mov, wmv, mp4

3. Features of Raster
Image file format standard for photography and video
Are resolution dependant
More pixels = higher resolution
Can be reduced in size but doesn’t scale up in size without reducing image detail/quality

4. Raster aka Bitmap
Comprised of pixels and each pixel has a color value. More pixels/color = larger file size

5. What is Vector?
Vector is a mathematically based method for creating line data
Popularized by Pierre Bezier to help with automobile manufacturing techniques for Renault

6. Features of Vector
Vector files are scaleable without losing image quality
Because they are math based, vector files are smaller in file size generally
Vector files aren’t internet browser friendly, require the proper software for display such as Adobe Flash

7. Vector Graphics
Vector graphics can be stored in different formats, AI, PDF, WMF, FLC
Font data is stored as vector
Are resolution “independent”

8. Which one is a bitmap image
Can you guess?
Which one is a bitmap image
and which are vector?

9. They are all vector! A proficient vector artist can create images
that look like a photo.
Yes, this is a time
consuming process.
Sometimes taking a
photo is too easy.

10. Vector vs Bitmap
Vector is scaleable, bitmap loses quality when scaled up
Bitmap is best for photographs and video
Fonts are stored as vector to ensure image quality at any size

11. Practice Do this for 10 images. Open up Microsoft word
Remember to place your name, date, and class section in the right hand corner
Select class appropriate Vector photos from the web
Then use to change them to Raster ( Bitmap) photos
Do this for 10 images.