text dan hypertext pertemuan 05 & 06 matakuliah: o0414 - computer / multimedia tahun: feb - 2010
TRANSCRIPT
Text dan HypertextPertemuan 05 & 06
Matakuliah : O0414 - Computer / Multimedia
Tahun : Feb - 2010
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Learning Outcomes
Pada akhir pertemuan ini, diharapkan mahasiswa akan
mampu :• Menerapkan penggunaan berbagai jenis teks pada
aplikasi multimedia
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Outline Materi
• Text Definition• Text Technology• Fonts & Faces• Text Data File• Working with Text• Hypertext and Hypermedia
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What is Text
• Basic media for many multimedia systems
is used to communicate thoughts, ideas and facts
in nearly every aspect of our lives
is used to communicate thoughts, ideas and facts
in nearly every aspect of our lives
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What is Text
• Multimedia products depends on text for many things:– to explain how the application
work– to guide the user in navigating
through the application– deliver the information for which
the application was designed
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Text Technology• Based on creating letters, numbers and special
characters.
• Text elements can be categories into:– Alphabet characters : A - Z– Numbers : 0 - 9– Special characters : Punctuation [. , ; ‘ …] , Sign or
Symbols [* & ^ % $ £ ! /\ ~ # @ .…]– Also known Character Sets
• May also include special icon or drawing symbols, mathematical symbols, Greek Letter etc.
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Typefaces, Fonts and Points
• Typefaces– The graphic representations of the alphabet, numbers
and special character.– Usually includes many type sizes and styles.
• Fonts– A collection of characters of a single size and style
belonging to a particular typeface family– The sizes are measured in points
• 1 point = 1/72 or 0.0138 inch – Measuring distance from the top of a capital letters
(e.g. ‘A or P’) to the bottom of a descenders (e.g. ‘y , ‘p’ , ‘q’).
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Fonts Effects
• A numbers of effects that are useful for bringing viewer’s attention to content:– Case: UPPER and lower letter
– Bold, Italic, Underline, superscript or subscript
– Embossed Embossed or ShadowShadow– CCoolloouurrss
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Font Anatomy
I D xhpBaseline
Serif
Shoulder
Counter
Mean line
Ascender
DescenderSet
width
X-height
Cap height
Point size
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Tracking, Kerning and Leading
Av vAUnkerned Kerned
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Tracking, Kerning and Leading
Reading Line OneReading Line One
Reading Line OneReading Line OneLeading
Ascender : an upstroke on a character Descender : the down stroke below the baseline of a character Leading : spacing above and below a font or Line spacing Tracking : spacing between characters Kerning : space between pairs of characters, usually as an
overlap for improvement appearance
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Jaggies and Antialiasing
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Types of Fonts• Two classes of fonts: Serif or Sans Serif
AA AA
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(This is because the serif helps guide the reader’s eye along the text)
(This is because the serif helps guide the reader’s eye along the text)
Font Editing and Design Tools
• Fontographer• Font Creator
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Text Data Files
• The common data encoding schemes for text are:
• Plain text (ASCII) is text in an electronic format that can be read and interpreted by humans
• Rich text is similar but it also embeds special control characters into the text to provide additional features
• Hypertext is an advance on rich text which allows the reader to jump to different sections within the document or even jump to a new document
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Text Data FilesPlain textPlain text
This is plain text. It is readable by humans. It can contains numbers (01234) and punctuation (.,#@*&) since it uses the ASCII character set.
Plain textPlain text
This is plain text. It is readable by humans. It can contains numbers (01234) and punctuation (.,#@*&) since it uses the ASCII character set.
Rich textRich text
This is <bold>rich text</bold>.<br><center>It is also readable by humans but contains additional tags which control the presentation of the text.</center>
Rich textRich text
This is <bold>rich text</bold>.<br><center>It is also readable by humans but contains additional tags which control the presentation of the text.</center>
HypertextHypertext
This is <a href=“http://www.w3c.org/”>hypertext</a>. It uses the rich text format shown above but adds the ability to hyperlink to other documents.<hr><img src=“logo.gif”>
HypertextHypertext
This is <a href=“http://www.w3c.org/”>hypertext</a>. It uses the rich text format shown above but adds the ability to hyperlink to other documents.<hr><img src=“logo.gif”>
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Working With Text
• Considerations and guidelines when we are working with text:– Be Concise– Use the appropriate typefaces and fonts– Make it readable– Consider type styles and colors– Use restraint and be consistent
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Make It Readable
Can you read me?
Can you read me?
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Make It Readable• The buzzword being splashed around is
Convergence and by it we mean the convergence of multimedia technology with the telecommunications industry.
• The buzzword being splashed around is Convergence and by it we mean the convergence of multimedia technology with the telecommunications industry.
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Working With Text
• Large amounts of text– Alternatives? - animation, video, narration.– Show a preview and allow user to request
more• Hyper linking• Pop-up messages, scroll bars, drop-down menus
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How text can be used effectively
• Communicating Data– Customer names and address– Pricing information of products
• Explaining concepts and ideas– A company mission statement– A comparison of medical procedures
• Clarifying other media– Labels on button, icons and screens– Captions and callouts for graphics
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Advantages and Disadvantages of using texts
• Advantages– Is relatively inexpensive to produce– Present abstract ideas effectively– Clarifies other media– Provides confidentiality– Is easily changed or updated
• Disadvantages– Is less memorable than other visual media– Requires more attention from the user than other
media– Can be cumbersome
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Hypertext and Hypermedia
• Hypertext– Text based documents with the addition of static data
such as images and tables.– Cross referencing between sections via a keyword
acting as an anchor, linked to another section.– Consists of a network of nodes, connected via links
that can be visited by the user.
• Hypermedia– Multimedia data types stored in a hypertext networked
structure.– Each node is a presentation. Users can jump from
presentation to presentation.
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A
FED
CB
A Small Hypertext Structure(having six nodes and nine links)
Exercises
• Explore the Insert tab on Microsoft PowerPoint 2007, especially the Table and Chart functions
• Use Microsoft PowerPoint 2007 to make a list of your five favorite books. Each name is linked to another slide in PowerPoint which shows the book’s summary, author, and other information related to the book.
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