'Gl projection' diaporamas de présentation

An Interactive Introduction to OpenGL Programming

1.4k views • 117 slides

Introduction to Computer Graphics CS 445 / 645 Lecture 11 Chapter 7: Camera Transformations

Introduction to Computer Graphics CS 445 / 645 Lecture 11 Chapter 7: Camera Transformations. Angel: Interactive Computer Graphics. Announcements. Midterm is one week from today Old tests will be available Detailed list of chapter coverage made available

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Introduction to OpenGL Programming

Introduction to OpenGL Programming. 2D Graphics. What is OpenGL. OpenGL is a software API to graphics hardware. designed as a streamlined, hardware-independent interface to be implemented on many different hardware platforms

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Rendering Pipeline

Rendering Pipeline. Aaron Bloomfield CS 445: Introduction to Graphics Fall 2006 (Slide set originally by Greg Humphreys). 3D Polygon Rendering. Many applications use rendering of 3D polygons with direct illumination. 3D Polygon Rendering.

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CS 248 OpenGL Help Session

CS 248 OpenGL Help Session. CS248 Presented by Zak Middleton, Billy Chen Stanford University Nov. 8, 2002. Overview. Basic primitives and rendering in OpenGL Transformations and viewing GLUT and the interaction / display loop More primitives and rendering Development tips.

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Rendering Pipeline

Rendering Pipeline. 3D Polygon Rendering. Many applications use rendering of 3D polygons with direct illumination. 3D Rendering Pipeline. 3D Geometric Primitives. Modeling Transformation. Lighting. This is a pipelined sequence of operations to draw a 3D primitive into a 2D image

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Computer Graphics

Computer Graphics. Bing-Yu Chen National Taiwan University. Introduction to OpenGL. General OpenGL Introduction An Example OpenGL Program Drawing with OpenGL Transformations Animation and Depth Buffering Lighting Evaluation and NURBS Texture Mapping Advanced OpenGL Topics Imaging.

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CS 248 OpenGL Help Session

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Line and Curve Drawing Algorithms

Line and Curve Drawing Algorithms. Line Drawing. y end. y 0. x 0. x end. Line Drawing. y end. y 0. x 0. x end. Line Drawing. y end. y 0. x 0. x end. DDA Algorithm. if |m|<1 x k+1 = x k + 1 y k+1 = y k + m if |m|>1 y k+1 = y k + 1 x k+1 = x k + 1/m. y end. y 0. x 0.

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CS 470 Introduction to Computer Graphics

CS 470 Introduction to Computer Graphics. Basic State Management Transformations. OpenGL State Management. Recall that OpenGL can be conceptualized as a state machine. The current state of the OpenGL state machine determines how actions are taken and how rendering is done.

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Taxonomy of Projections

Taxonomy of Projections. FVFHP Figure 6.10. Taxonomy of Projections. Parallel Projection. Center of projection is at infinity Direction of projection (DOP) same for all points. View Plane. DOP. Angel Figure 5.4. Orthographic Projections. DOP perpendicular to view plane. Front.

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Projection

Projection. Overview Orthographic projection Perspective projection OpenGL projection. Turning 3D Objects to 2D Image. In the Viewing lecture last week, we experienced the use of transformations that take objects from World Space to View (Camera) Space

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Computer Graphics (Spring 2003)

Computer Graphics (Spring 2003). COMS 4160, Lecture 9: Transformations 2 Ravi Ramamoorthi. http://www.cs.columbia.edu/~cs4160. Motivation. Modeling Objects in convenient coordinate system Transform into world space, eye space Viewing: project world space into 2D rectangle Virtual cameras

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3D API

Introduction. 3D API. OPENGL ES v1.0. Owned by Silicon Graphics (SGL). Control was then transferred to Khronos Group. OPENGL ES v1.0. Android includes libraries for both 3D and 2D graphics + Surface manager. Structure of OPENGL ES Commands:

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