Monday, March 20, 2017

LESSON 6: IMAGING & DESIGN FOR ONLINE ENVIRONMENT






PHOTO EDITING
·         Photo editing encompasses the processes of altering images, whether they are digital photographs, traditional photo chemical photographs, or illustrations. Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs, or editing illustrations with any traditional art medium.





Graphic software programs
·         Which can be broadly grouped into vector graphics editors, raster graphics editors, and 3D modelers are the primary tools with which a user may manipulate, enhance, and transform images. Many image editing programs are also used to render or create computer art from scratch.

BASIC OF IMAGE EDITING

1. RASTER IMAGES are stored in a computer in the form of a grid of picture elements or pixels.
2. VECTOR IMAGES such as Adobe Illustrator, Inkscape and etc. are used to create and modify vector images, which are stored as descriptions of lines, Bezier curves and text instead of pixels.

DIFFERENCE BETWEEN RASTER AND VECTOR IMAGES




















· RASTER IMAGES use many colored pixels or individual building blocks to form a complete image JPEGs, GIFs and PNGs are common raster image types. Almost all of the photos found on the web and in print catalogs are raster images.
·         VECTOR IMAGES alternatively, allow for more flexibility. Constructed using mathematical formulas rather than individual colored blocks, vector file types such as EPS, AI and PDF are excellent for creating graphics that frequently require resizing.

3. 3D MODELING (OR MODELLING) is the process of developing a mathematical representation of any three dimensional surface of an object via specialized software. The product is called a 3D model. It can be displayed as a two-dimensional image through a process called 3D rendering or used in a computer simulation or physical phenomena. The model can also be physically created using 3D printing devices.







IMAGE FORMATS
Ø  JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by a digital photography.
Ø  PNG (PORTABLE NETWORK GRAPHICS) is a raster graphics file format that supports lossless data compression.
Ø  GIF a lossless format for image files that supports both animated and static images.
Ø  BMP is a raster graphics image used to store bitmap digital images
Ø  EPS used in vector-based images in Adobe Illustrator.
Ø  SVG is an XML-based vector image format for two-dimensional graphics w/ support for interactivity and animation
Ø  .3ds is one of the file formats used by the Autodesk 3Ds Max 3D Modelling, animation and rendering software.
Ø  .fbx is an exchange format, in particular for interoperability between Autodesk products and other digital content creation software

FEATURES OF IMAGE EDITORS

SELECTION One of the prerequisites for many of the app mentioned below is a method of selecting part(s) of an image, thus applying a change selectively without affecting the entire picture
Ø  MARQUEE TOOL for selecting rectangular or other regular polygon-shaped regions
Ø  LASSO TOOL for freehand selection of a region
Ø  MAGIC WAND TOOL selects objects or regions in the image defined by proximity of color or luminance





LAYERS which are analogous to sheets of transparent acetate, stacked on top of each other, each capable of being individually positioned, altered and blended with the layers below, w/o affecting any of the elements on the other layers.





IMAGE SIZE resize images in a process often called image scaling, making them larger, or smaller. High image resolution cameras can produce large images which are often reduced in size for Internet use.
CROPPING creates a new image by selecting a desired rectangular portion from the image being cropped. The unwanted part of the image is discarded. Image cropping does not reduce the resolution of the area cropped.






CLONING uses the current brush to copy from an image or pattern. It has many uses: one of the most important is to repair problem areas in digital photos.
IMAGE ORIENTATION - Image editors are capable of altering an image to be rotated in any direction and to any degree. Mirror images can be created and images can be horizontally flipped or vertically flopped. Rotated image usually require cropping afterwards, in order to remove the resulting gaps at the image edges.




PERSPECTIVE - is the art of drawing solid objects on a two- dimensional surface so as to give the right impression of their height, width, depth and position in relation to each other when viewed from a particular point.






SHARPENING AND SOFTENING Sharpening makes images clearer. Too much sharpening causes grains on the surface of the image. Softening makes images softer that removes some of the highly visible flaws. Too much causes the image to blur.




SATURATION- is an expression for the relative bandwidth of the visible output from a light source. As saturation increase, colors appear more “pure.’’ As saturation decreases, colors appear more ‘’ washed-out.’’




CONTRAST AND BRIGHTENING
Contrast of images and brighten or darken the image. Underexposed images can be often be improved by using this feature.
Brightening lightens the image so the photo brightens up. Brightness is a relative expression of the intensity of the energy output of a visible light source.
Adjusting contrast means adjusting brightness because they work together to make a better image.





PHOTO MANIPULATION
Photo manipulation involves transforming or altering a photograph using various methods and techniques to achieve desired results. Some photo manipulations are considered skillful artwork while others are frowned upon as unethical practices, especially when used to deceive the public, such as hat used for political propaganda , or to make a product or person look better.


































DIFFERENCES

PHOTO EDITING – signifies the regular process used to enhance photos and to create them ‘’Actual editing simple process’’. Also includes some of the regular programs used for editing and expose how to use them.

PHOTO MANIPULATION – includes all simple editing techniques and have some manipulation techniques like erasing, adding objects , adding some graphical effects, background correction, creating incredible effect, change elements in an image,  adding styles , eliminating blemishes from a  person’s face and changing the features of a person’s body.







b.) Infographics
 also known as data visualization, information design, and communication design

·         It is any graphic that display and explains information, whether that be data or words. When we use the term ‘’infographics’’, we’re using it as a general term used to describe data presented in a visual way.
·         Infographics are important because they change the way people find and experience stories. Infographics are being used to augment editorial content on the web, it create a new way of seeing the world of data, and they help communicate complex ideas in a clear and beautiful way.


TYPES OF INFOGRAPHICS
1.       Statistical
2.       Process Flow
3.       Geographic


PROCESS OF MAKING INFOGRAPHICS
1.       Research
a)      Know what is needed
b)      Take a reference
c)       Know the audience
d)      Decide the type of infographics
2.       Brainstorm
a)      Gather ideas
b)      Build thought process
3.       Design
                             a)    Choose your tool and start designing
4.       Review
                             a)     Cross check the data to deliver flawless output
5.       Launch
                             a)    Make it viral
                             b)    Share on social network



BEST PRACTICES WHEN CREATING INFOGRAPHICS
a)      Maintain a structure
b)      Don’t use more than 3 color palletes
c)       Typography matters a lot
d)      Include source and references
















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