Wednesday, September 30, 2015

Design Elements notes


Elements and principles
Design/art elements, basic hits of visual image
Prnciples of design and art govern the relationships of the elements used and organize the composition as a whole
Imagery, art, design, photography, are composed of elements that can be broken down and analyzed by its visual

Design Elements:
-Space
-Line
-Color
-Shape
-Texture
-Value
-Balance

Space
can exist in 2 or 3 dimensions
can refer to positive space or negative space
foreground mid or background elements

Line
-can vary in thickness, texture, direction
-has to be longer than it is thick to be a line
Color

Geometric/Organic/Abstract

Texture

value
gives illusion that object has depth, or occupies space

Balance

Design Principals

-Unity

-Variety
-Repetition
-Harmony

-Proximity

-Proportion

-Functionality
-Emphasis


Unity
-creates sense of order, consistency in size and shape
-Proximity can create a sense of unity, and can also show lack of unity

Variety
-Similar yet different elements

Repetition
-self explanatory

Harmony
-similar elements being used and repeated

Proximity
-organization of information (business letter demo)

Proportions
-able to create visual illusion-depth
-can also change perception

Emphasis (focal point)
-focus of picture

Functionality
-playfulness in a picture, idea
















Thursday, September 24, 2015

File Formats

To me, the best image quality has to be png-24, the colors look accurate and the overall image looks          crisp. The best file size would have to go to the jpg low, at only 13KB. Overall, I think that the best balance in file size and image quality would be the jpg high. It is only 34 KB which isn't that big at all, and it looks decent considering its size.





































Friday, September 18, 2015

Understanding File Formats

Graphic File Formats
Understanding Format Choice and image compression

Original (raw) files need to be compressed to be able to share-- 
ai psd     ----->>>          jpg png gif 

File Formats
All computer document/files are packaged in different formats
Format is determined by file origin. Ex photoshop, digital camera
Graphic files- (photo/video) artwork can be reduced in size using image compression formats

Lossy vs Lossless 
Graphic image formats fall under 2 categories of compression: Lossy & Lossless
Lossy---
Image data is "lost" or reduced for smaller file sizes, but can cause poor image quality
Lossless---
Retains image data for higher quality, but larger file sizes
 Compression Artifact (pixelisation)

Generational loss---loss of quality over time (copy of copy of copy etc.)

Graphic Formats
TIF  GIF and JPG  -- are (were) the 3 most common formats for common activities --- printing, scanning, displaying images over internet
PNG is common web format. high quality and can contain an alpha (transparency) channel
Each format has its own advantages/disadvantages

File format: TIF
"Tagged Image Format"
common for desktop publishing, print, photo, and graphic design
Lossless file format, retains image data for max image quality'
Can result in larger file sizes- not for display over internet

File Format: JPG
"Joint Photographers Expert Group"
Specifically made for digital photography, best for photo content
Lossy format
Can reduce image size by 10:1 without showing significant compression artifacts
level of compression can be adjustable

File GIF
"Graphic Interchange Format"
Is best for graphic/images that have flat color or even tone- like a cartoon
Reduces image size by "indexing" color from 3 channels to 1
Is adjustable by changing color bit levels from 1 to 8
Contains no DPI (Dots Per Inch) data for printing. Not a proper format for print

Know Your Pixels
TIF/GIF are best for images with pixels that blend in color --- called "contiguous pixels"
GIF is best for images with flat/ even tone "non-contiguous pixels"

Aliase vs Anti-Aliase
Aliased-- jagged edges
Anti-Aliased-- tries to smooth edges