Useful Links
Mathematics
Geometry
Geometric Transformations
Translation
Definition and Properties
Concept of moving every point of a shape uniformly in a specified direction
Preservation of size, shape, and orientation
Vector Representation
Use of vectors to describe the direction and magnitude of a translation
Notation and examples
Transformation Matrices
Matrix form of translation in a coordinate plane
Application in computer graphics
Rotation
Definition and Properties
Circular movement around a central point or axis
Preservation of shape and size but changes in orientation
Center of Rotation
Identification of pivot point in various contexts
Effects of different rotation centers (e.g., origin versus another point)
Angle of Rotation
Understanding positive and negative angles
Importance of angle measurement (degrees vs. radians)
Transformation Matrices
Rotational matrix representation in the plane
Application in developing gaming and simulation models
Reflection
Definition and Properties
Flipping a shape over a specific line or plane
Concept of mirror images and symmetry
Lines and Planes of Reflection
Identification of lines of symmetry in 2D and 3D
Plane reflection in three-dimensional spaces
Symmetry
Types of symmetry: bilateral and radial
Applications in art and nature (e.g., butterfly wings, human face)
Transformation Matrices
Matrix representation of reflections
Integration into graphics and image processing
Scaling (Dilation)
Definition and Properties
Enlarging or reducing shapes keeping the proportionality intact
Effects on dimensions, area, and volume
Center and Scale Factor
Selection of center point for dilation
Calculation and impact of scale factors greater or less than one
Similarity
Relationship between dilation and geometric similarity
Criteria for similar figures
Transformation Matrices
Application of scale factors in matrix form
Use in resizing algorithms in digital imaging
Practical Applications
Map making and model building
Architectural drawings and blueprints
Composite Transformations
Combination of Transformations
Performing multiple transformations (e.g., translate then rotate)
Order of operations and resultant effect
Inverse Transformations
Concept of reversing transformations to original state
Mathematical strategies to find inverse in matrices
Homogenous Coordinates
Definition and Use
Introduction to homogeneous coordinates for transformations
Simplification of transformations using a consistent coordinate system
Applications in 3D Graphics
Rendering and modeling in 3D environments
Role in perspective transformations and projective geometry
Impact on Real-World Applications
Computer Graphics and Animation
Key role in rendering, simulations, and animation
Examples from gaming and movie industries
Robotics and Automation
Movement and path algorithms
Visual recognition systems and machine vision
Architectural Modeling
Use in design and visualization software
Impact on modern computational architecture tools and methods
3. Solid Geometry
First Page
5. Coordinate Geometry