'2d rotation' diaporamas de présentation

Transformations

http:// www.ugrad.cs.ubc.ca /~cs314/Vjan2013. Transformations. Geometry Database. Model/View Transform. Perspective Transform. Lighting. Clipping. Frame- buffer. Texturing. Scan Conversion. Depth Test. Blending. Review: Rendering Pipeline. Review: Graphics State.

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Why?

Computational Anatomy & Statistical Shape Models John Ashburner john@fil.ion.ucl.ac.uk Functional Imaging Lab, 12 Queen Square, London, UK. Why?. The Wellcome Trust is keen that there is a translational component to the work in the FIL. E.g. develop some potentially useful diagnostic stuff.

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Why?

Computational Anatomy & Statistical Shape Models John Ashburner john@fil.ion.ucl.ac.uk Functional Imaging Lab, 12 Queen Square, London, UK. Why?. The Wellcome Trust is keen that there is a translational component to the work in the FIL. E.g. develop some potentially useful diagnostic stuff.

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CSCE 441 Computer Graphics: 2D Transformations

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Comparing Two Motions

Comparing Two Motions. Jehee Lee Seoul National University. Distance Metric for Motion Sequences. How can we measure the difference between two stylistic walking motions? How do we represent motion sequences? Rotation/orientation makes problems We do we compare two time-series data?

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CSCE 441 Computer Graphics: 2D Transformations

CSCE 441 Computer Graphics: 2D Transformations. Jinxiang Chai. 2D Transformations. y. y. x. x. y. x. 2D Transformations. y. y. x. Applications: Animation Image/object manipulation Viewing transformation etc. x. y. x. 3. 2D Transformation.

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Orientation Representation

Orientation Representation. Jim Van Verth NVIDIA Corporation ( jim@essentialmath.com ). Topics Covered. What is orientation? Various orientation representations Why quaternions rock. Orientation vs. Rotation. Orientation is described relative to some reference frame

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EECE 478

EECE 478. Linear Algebra and 3D Geometry. Learning Objectives. Linear algebra in 3D Define scalars, points, vectors, lines, planes Manipulate to test geometric properties Coordinate systems Use homogeneous coordinates Create coordinate transforms

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Geometric Transformations

Geometric Transformations. Transformations. Local moving frame. Linear transformations Rigid transformations Affine transformations Projective transformations. T. Global reference frame. Linear Transformations. A linear transformation T is a mapping between vector spaces

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2D Transformations

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2D Transformations

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2D Transformations

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2D Transformations

2D Transformations. y. y. x. x. y. x. 2D Transformation. Changes in orientation, size and shape are accomplished with geometric transformations Basic geometric transformations are: translation rotation scaling Other transformations are:

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2D Transformations

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Transformations

http:// www.ugrad.cs.ubc.ca /~cs314/Vjan2016. University of British Columbia CPSC 314 Computer Graphics Jan-Apr 2016 Tamara Munzner. Transformations. Readings for Transformations 1-5. Shirley/ Marschner Ch 6: Transformation Matrices except 6.1.6, 6.3.1 Sect 12.2 Scene Graphs Gortler

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Geometric Transformations for Computer Graphics

Geometric Transformations for Computer Graphics. Shmuel Wimer Bar Ilan Univ., School of Engineering. 2D Translation. 2D Rotation. 2D Scaling. Homogeneous Coordinates. 2D Translation. 2D Rotation. 2D Scaling. Inverse transformations:. Composite transformations:. Composite translations:.

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Geometric Transformations for Computer Graphics

Geometric Transformations for Computer Graphics. Shmuel Wimer Bar Ilan Univ., School of Engineering. 2D Translation. 2D Rotation. 2D Scaling. Homogeneous Coordinates. 2D Translation. 2D Rotation. 2D Scaling. Inverse transformations:. Composite transformations:. Composite translations:.

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Pertemuan 3

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CS 4731: Computer Graphics Lecture 7: Introduction to Transforms, 2D transforms

CS 4731: Computer Graphics Lecture 7: Introduction to Transforms, 2D transforms. Emmanuel Agu. Introduction to Transformations. Transformation changes an objects: Position (translation) Size (scaling) Orientation (rotation) Shapes (shear)

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