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Study PortalCOMP3145Hci Patterns
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    COMP3145

    HCI & Computer Graphics

    Progress0 / 73 done
    Topics73
    1Input-output channels2Human memory3Thinking, Reasoning, Problem solving4Emotions and Individual differences5Psychology and design of interacting systems
    6Text entry devices7Positioning, Pointing, and drawing devices8Display devices9Devices for virtual reality and 3D interaction10Physical controls, Sensors and special devices11Paper printing and scanning12Memory, Processing and networks
    13Models of interaction14Frameworks and HCI15Ergonomics16Interaction styles17Elements of the WIMP interfaces18Interactivity and Context of interaction
    19Introduction20Paradigms for interaction
    21What is design22Process of design and User focus23Navigation design24Screen design and layout25Iteration and prototyping
    26Software life cycle27Usability engineering28Iterative design and prototyping29Design rationale30Design rules and Guidelines31Golden rules and heuristics32HCI patterns33Evaluation techniques and methods34Task analysis35Universal design36User support systems37Computer Supported Cooperative Work38Groupware systems39Implementation of synchronous groupware40Ubiquitous computing41History of Computer Graphics42Graphics architectures and software
    43Pinhole camera, Human vision, Synthetic camera44Modeling vs. rendering45OpenGL Architecture46Displaying simple two-dimensional geometric objects47Positioning systems and windowed environment48Color perception and models49RGB, CMY, HLS color models50Color transformations
    51RGB and indexed color
    52Network environment and client-server computing
    53event, sample and request input54Using callbacks and picking
    55translation, rotation, scaling, shear56Homogeneous coordinates and concatenation57Current transformation and matrix stacks
    58Classical viewing59Specifying views in 3D60Affine transformation in 3D61Projective transformations62Ray tracing
    63Illumination and surface modeling64Phong shading model65Polygon shading
    66Line drawing via Bresenham's algorithm67Clipping and polygonal fill68BitBlt operations69Hidden surface removal (z buffer)
    70Buffers71Reading and writing bitmaps and pixel maps72Texture mapping73Compositing
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    Topic 32 of 73
    Topic Study Note Illustration
    32

    HCI patterns

    Definition: HCI patterns (or interaction design patterns ) are reusable solutions to common user interface design problems . They capture best practices, typical scenarios, and successful design...

    1. What are HCI Patterns?

    Definition: HCI patterns (or interaction design patterns) are reusable solutions to common user interface design problems. They capture best practices, typical scenarios, and successful design solutions in a structured way.

    Key Idea: Patterns help designers leverage proven solutions, reduce reinventing the wheel, and maintain consistency and usability across systems.


    2. Purpose of HCI Patterns

    • Provide guidance for designing usable interfaces
    • Enable rapid prototyping by using established solutions
    • Facilitate communication among design teams
    • Encourage consistency across platforms and applications
    • Help solve recurring usability problems efficiently

    3. Structure of an HCI Pattern

    Most HCI patterns include the following elements:

    1. Pattern Name: A clear, descriptive name (e.g., “Undo Function,” “Breadcrumb Navigation”).
    2. Problem / Context: The recurring usability problem the pattern addresses.
    3. Solution: Proven solution or approach to solve the problem.
    4. Implementation: Practical advice on how to implement the solution in an interface.
    5. Examples: Real-world examples of the pattern in use.
    6. Consequences / Trade-offs: Benefits and possible limitations of using the pattern.

    4. Common Types of HCI Patterns

    Type Description Example
    Navigation Patterns Help users move through content Breadcrumb trails, Tabs, Pagination
    Form Patterns Improve data entry and validation Auto-complete, Input masks, Inline validation
    Feedback Patterns Inform users about system status Progress bars, Loading spinners, Confirmation dialogs
    Error Handling Patterns Prevent or recover from errors Undo, Error messages with guidance
    Content Organization Patterns Structure information for readability Accordion menus, Cards, Modal windows
    Interaction Patterns Standard ways users interact Drag-and-drop, Pull-to-refresh, Swipe gestures

    5. Benefits of Using HCI Patterns

    • Increase usability by applying proven solutions
    • Reduce design time through reuse
    • Enhance consistency across screens and applications
    • Support learning for new designers by providing examples
    • Facilitate evaluation by providing a benchmark for usability

    6. Examples of HCI Pattern Libraries

    • Microsoft Pattern Language – guidelines for Windows interfaces
    • Apple Human Interface Guidelines – common interaction patterns for iOS and macOS
    • Material Design by Google – patterns for web and mobile apps
    • UX Design Pattern Libraries – online repositories of reusable UI patterns

    Key Takeaways

    • HCI patterns are reusable solutions to common design problems.
    • They capture best practices, provide guidance, and promote consistency.
    • Patterns improve efficiency, usability, and user satisfaction in interface design.
    • Using established patterns reduces errors and accelerates the design process.
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    Golden rules and heuristics
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    Evaluation techniques and methods

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