Visualization is the process of representing abstract business or scientific data as images that can aid in understanding the meaning of the data. What is a visualization? The word is problematic, and there have been very few definitions that try to define this field we are working in. More importantly: what is not a visualization? It is easy to argue that anything visual is a visualization in some way – but does that mean anything? Here is a definition of visualization and a few examples to illustrate the different criteria. Based on (non-visual) data : A visualization’s purpose is the communication of data. That means that the data must come from something that is abstract or at least not immediately visible (like the inside of the human body). This rules out photography and image processing. Visualization transforms from the invisible to the visible. Produce an image : It may seem obvious that a visualization has to produce an image, but that is not always so clear. Also, the visual must be the primary means of communication, other modalities can only provide additional information. If the image is only a small part of the process, it is not visualization.
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Module - I
A font is a set of printable or displayable text character s in a specific style and size. The type design for a set of fonts is the typeface and variations of this design form the typeface family . Thus, Helvetica is a typeface family, Helvetica italic is a typeface, and Helvetica italic 10-point is a font. In practice, font and typeface are often used without much precision, sometimes interchangably. To enhance designing layout by using the fonts, to correct visual manner we need to tune the fonts.
In the visual arts—in particular painting, graphic design, photography, and sculpture—composition is the placement or arrangement of visual elements or ingredients in a work of art, as distinct from the subject of a work. It can also be thought of as the organization of the elements of art according to the principles of art.
The term composition means 'putting together,' and can apply to any work of art, from music to writing to photography, that is arranged or put together using conscious thought. In the visual arts, composition is often used interchangeably with various terms such as design, form, visual ordering, or formal structure, depending on the context. In graphic design for press and desktop publishing composition is commonly referred to as page layout.
- Elements of design
- Principles of organization
- Shape and proportion
- Positioning/Orientation/Balance/Harmony among the elements
- The area within the field of view used for the picture ("cropping")
- The path or direction followed by the viewer's eye when they observe the image.
- Negative space
- Contrast: the value, or degree of lightness and darkness, used within the picture.
- Geometry: for example, use of the golden mean
- Illumination or lighting
- Repetition (Sometimes building into pattern; rhythm also comes into play, as does geometry)
- Compositional techniques