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Edit Comment Close Premium member Presentation Transcript 520527: 520527 Computer GraphicsResources: Resources Textbook Computer Graphics Using OpenGL by F.S. Hill. 2nd Edition. Prentice Hall ISBN:002354856 หนังสืออ่านประกอบ Computer Graphics with Pascal by Mare Berger , Benjamin Cummings Publishing Company Software Visual C++ OpenGL GLUT Libraries What won’t I learn?: What won’t I learn? Painting and Imaging Software (Paintshop Pro, Adobe Photoshop) CAD Packages (AutoCAD) Animation Software (Maya) Rendering Software (Renderman) 3D Modelling (3D Studio Max) What skills should I already have?: What skills should I already have? Programming Programming Programming Turbo C Visual C++ Computer Graphics: Computer Graphics Pictures are generated by a computer Tools used to make pictures HW & SW video monitors , printer , mouse ,track ball os, editor,compiler, graphics library Computer graphics are used: Computer graphics are used 1.Art , Entertainments , Publishino Movie production Animation (20-30 frame per sec.) Special Effects Computer Games Browsing on World Wide Web 2.Computer-Aides design: 2.Computer-Aides designGE introduces first full color real time flight simulator for NASA: GE introduces first full color real time flight simulator for NASA 3. Displaying SimulationsSimulation/Training: Simulation/Training FlightSimulation/Training: Simulation/Training Truck Driving4.Scientific Analysis Visualization : 4.Scientific Analysis Visualization Scientific data are complex5. Image processing: 5. Image processing what is computer graphics?: what is computer graphics? “Computer Graphics is concerned with producing images using a computer.” Modelling The representation of the form of objects Rendering The appearance of objects Animation The movement of objects what is computer graphics?: what is computer graphics? Modelling Taking the real and turning it into the virtual. Explaining real world or fantastic objects using mathematics. If the image does not exist in real life, a blueprint is drawn by an artist. what is computer graphics?: what is computer graphics? Rendering Drawing the Image Colour Lighting Shading Surface Texture Shadows Reflection and Transparency Intersection what is computer graphics?: what is computer graphics? Animation Controlling the movement of objects. Laws of Physics Biomechanics/ Kinesiology Lip Sink Special Effects Progression of a CG Character: Progression of a CG Character A Brief History of Computer Graphics: A Brief History of Computer Graphics 1885 - CRT (Cathode Ray Tube)A Brief History of Computer Graphics: A Brief History of Computer Graphics 1887 - Edison patents motion picture camera 1888 - Edison and Dickson record motion picture photos on a wax cylinder A Brief History of Computer Graphics: A Brief History of Computer Graphics 1926 – J.L. Baird invents the television. 30 line vertical, black and red scan.A Brief History of Computer Graphics: A Brief History of Computer Graphics early graphics using VectorScope (1951)A Brief History of Computer Graphics: A Brief History of Computer Graphics 1962 Sketchpad developed by Ivan Sutherland Lightpen used to create engineering drawings directly on the CRT. zoom in and out on the display and the ability to make perfect lines, corners, and joints. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1962 SpaceWar created by Steve Russell First computer game Multiplayer game The "a", "s", "d", "f" keys control one of the spaceships. The "k", "l", ";", "'" keys control the other. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1963 IBM creates the 360 models One of the First General Purpose Mainframes develops the mouse. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1967 GE introduces first full colour real time flight simulator for NASA A Brief History of Computer Graphics: A Brief History of Computer Graphics 1972 ATARI Pong A Brief History of Computer Graphics: A Brief History of Computer Graphics 1974 Intel develop the 8080 processor. Bill Gates starts MicrosoftA Brief History of Computer Graphics: A Brief History of Computer Graphics 1976 Steve Jobs and Steve Wozniak start Apple. 1977 Academy of Motion Pictures Art and Sciences introduces Visual Effects category for Oscars. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1977 Star Wars wins oscar for special effects. 1978 Superman wins oscar for special effects. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1981 IBM introduces the first IBM PC (16 bit 8088 chip) Raiders of the Lost Ark wins an oscar for visual effects.A Brief History of Computer Graphics: A Brief History of Computer Graphics 1983 First Coke Polar Bears Commercial A Brief History of Computer Graphics: A Brief History of Computer Graphics 1984 PIXAR Opens Cathode-ray tube: Cathode-ray tube Display TechnologiesColor CRT Monitor: Color CRT Monitor Display Technologies CRT มี 2 ชนิด 1.rester scan 2.random vector : CRT มี 2 ชนิด 1.rester scan 2.random vector Raster Scan display : Raster Scan display Raster Scan display : Raster Scan display pixel horizontal line เรียกว่า raster scan line Quality ขึ้นอยู่กับความละเอียด( Resolution ) วัดตามจำนวน raster scan line และ จำนวน pixel บนline (dot per unit area) low Resolution = 300 scan line , line ละ 400 Pixels high-Resolution = 1000 scan line , line ละ 1000 pixel อย่างน้อยSlide50: Refresh Rate นับจำนวนครั้งที่ยิงประจุลบครบรอบในเวลา 1วินาที 1/Refresh rate = frame time Inexpensive display = 30 times/sec Odd-numbered raster line Even-numbered raster line Higher quality raster scan refresh – 60 times/sec Raster Scan Display Unit : Raster Scan Display Unit Scan Conversion Frame Buffer Display Image Display Processor Memory Display Controller Frame Buffer: Frame Buffer คือหน่วยความจำ ที่เก็บ pixel ที่ปรากฎอยู่บนจอภาพ Bit Map ในรูปตาราง Row ของ Frame Buffer = จำนวนเส้น Raster Scan Column ของ Frame Buffer=จำนวน pixel ในเส้น Raster Scan Ex 512 x 512 display = 262,144 pixel memory location Slide53: 1 0 0 1 1 0 1 1 0 1 1 1 0 1 1 Frame Buffer Display Screen Data in frame buffer: Data in frame buffer ใช้แทน Pixel แต่ละจุด 1 bit-plane frame buffer = ใช้ในจอภาพขาวดำความเข้ม 2 ระดับ Framebuffer ใช้ 3 bit = ได้ 8 ค่าความเข้ม Frame Buffer to CRT : Frame Buffer to CRT Display Controller: Display Controller หน่วยการแสดงภาพ หรือตัว Control การแสดงภาพ ทำหน้าที่อ่าน Data จาก Frame buffer มาแสดงผลบน CRT TV ขาวดำ = 8 bit = 28 = 256 ระดับ สี = 24 bit = 224 = 16,772,216 ถ้าจอ 512 x 512 มีสี ต้องใช้ Frame buffer 512 x 512 x 24 = 6,291,456 bit Random-Vector Display: Random-Vector Display Memory = display file เก็บคำสั่งเกี่ยวกับการแสดงภาพ Display File CRTComparison of Raster-Scan and Random-Vector display : Comparison of Raster-Scan and Random-Vector display Comparison of Raster-Scan and Random-Vector display : Comparison of Raster-Scan and Random-Vector display Slide60: random vector ต้องการ memory < Frame buffer random Vector Modify ส่วนของภาพได้เร็วกว่า เพราะทำงานเพียงเป็น coordinate บน displaylist ข้อเสีย Random Vector ไม่เหมาะกับการระบาย การสร้างภาพที่มีแสงเงาเหมือนจริง Complexity ของภาพ มีขีดจำกัด ขึ้นอยู่กับความสามารถของระบบที่จะเขียนซ้ำภาพ (Refresh Cycle) You do not have the permission to view this presentation. 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ch1 1 miloung Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 3000 Category: Education License: All Rights Reserved Like it (3) Dislike it (0) Added: February 26, 2008 This Presentation is Public Favorites: 3 Presentation Description No description available. Comments Posting comment... By: baluch (16 month(s) ago) oooooooooohhhh Saving..... Post Reply Close Saving..... Edit Comment Close By: rk159 (18 month(s) ago) Awsome wokdone !!!!!!!!!! Saving..... Post Reply Close Saving..... Edit Comment Close By: sheel011 (27 month(s) ago) i believe in friendship... Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript 520527: 520527 Computer GraphicsResources: Resources Textbook Computer Graphics Using OpenGL by F.S. Hill. 2nd Edition. Prentice Hall ISBN:002354856 หนังสืออ่านประกอบ Computer Graphics with Pascal by Mare Berger , Benjamin Cummings Publishing Company Software Visual C++ OpenGL GLUT Libraries What won’t I learn?: What won’t I learn? Painting and Imaging Software (Paintshop Pro, Adobe Photoshop) CAD Packages (AutoCAD) Animation Software (Maya) Rendering Software (Renderman) 3D Modelling (3D Studio Max) What skills should I already have?: What skills should I already have? Programming Programming Programming Turbo C Visual C++ Computer Graphics: Computer Graphics Pictures are generated by a computer Tools used to make pictures HW & SW video monitors , printer , mouse ,track ball os, editor,compiler, graphics library Computer graphics are used: Computer graphics are used 1.Art , Entertainments , Publishino Movie production Animation (20-30 frame per sec.) Special Effects Computer Games Browsing on World Wide Web 2.Computer-Aides design: 2.Computer-Aides designGE introduces first full color real time flight simulator for NASA: GE introduces first full color real time flight simulator for NASA 3. Displaying SimulationsSimulation/Training: Simulation/Training FlightSimulation/Training: Simulation/Training Truck Driving4.Scientific Analysis Visualization : 4.Scientific Analysis Visualization Scientific data are complex5. Image processing: 5. Image processing what is computer graphics?: what is computer graphics? “Computer Graphics is concerned with producing images using a computer.” Modelling The representation of the form of objects Rendering The appearance of objects Animation The movement of objects what is computer graphics?: what is computer graphics? Modelling Taking the real and turning it into the virtual. Explaining real world or fantastic objects using mathematics. If the image does not exist in real life, a blueprint is drawn by an artist. what is computer graphics?: what is computer graphics? Rendering Drawing the Image Colour Lighting Shading Surface Texture Shadows Reflection and Transparency Intersection what is computer graphics?: what is computer graphics? Animation Controlling the movement of objects. Laws of Physics Biomechanics/ Kinesiology Lip Sink Special Effects Progression of a CG Character: Progression of a CG Character A Brief History of Computer Graphics: A Brief History of Computer Graphics 1885 - CRT (Cathode Ray Tube)A Brief History of Computer Graphics: A Brief History of Computer Graphics 1887 - Edison patents motion picture camera 1888 - Edison and Dickson record motion picture photos on a wax cylinder A Brief History of Computer Graphics: A Brief History of Computer Graphics 1926 – J.L. Baird invents the television. 30 line vertical, black and red scan.A Brief History of Computer Graphics: A Brief History of Computer Graphics early graphics using VectorScope (1951)A Brief History of Computer Graphics: A Brief History of Computer Graphics 1962 Sketchpad developed by Ivan Sutherland Lightpen used to create engineering drawings directly on the CRT. zoom in and out on the display and the ability to make perfect lines, corners, and joints. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1962 SpaceWar created by Steve Russell First computer game Multiplayer game The "a", "s", "d", "f" keys control one of the spaceships. The "k", "l", ";", "'" keys control the other. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1963 IBM creates the 360 models One of the First General Purpose Mainframes develops the mouse. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1967 GE introduces first full colour real time flight simulator for NASA A Brief History of Computer Graphics: A Brief History of Computer Graphics 1972 ATARI Pong A Brief History of Computer Graphics: A Brief History of Computer Graphics 1974 Intel develop the 8080 processor. Bill Gates starts MicrosoftA Brief History of Computer Graphics: A Brief History of Computer Graphics 1976 Steve Jobs and Steve Wozniak start Apple. 1977 Academy of Motion Pictures Art and Sciences introduces Visual Effects category for Oscars. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1977 Star Wars wins oscar for special effects. 1978 Superman wins oscar for special effects. A Brief History of Computer Graphics: A Brief History of Computer Graphics 1981 IBM introduces the first IBM PC (16 bit 8088 chip) Raiders of the Lost Ark wins an oscar for visual effects.A Brief History of Computer Graphics: A Brief History of Computer Graphics 1983 First Coke Polar Bears Commercial A Brief History of Computer Graphics: A Brief History of Computer Graphics 1984 PIXAR Opens Cathode-ray tube: Cathode-ray tube Display TechnologiesColor CRT Monitor: Color CRT Monitor Display Technologies CRT มี 2 ชนิด 1.rester scan 2.random vector : CRT มี 2 ชนิด 1.rester scan 2.random vector Raster Scan display : Raster Scan display Raster Scan display : Raster Scan display pixel horizontal line เรียกว่า raster scan line Quality ขึ้นอยู่กับความละเอียด( Resolution ) วัดตามจำนวน raster scan line และ จำนวน pixel บนline (dot per unit area) low Resolution = 300 scan line , line ละ 400 Pixels high-Resolution = 1000 scan line , line ละ 1000 pixel อย่างน้อยSlide50: Refresh Rate นับจำนวนครั้งที่ยิงประจุลบครบรอบในเวลา 1วินาที 1/Refresh rate = frame time Inexpensive display = 30 times/sec Odd-numbered raster line Even-numbered raster line Higher quality raster scan refresh – 60 times/sec Raster Scan Display Unit : Raster Scan Display Unit Scan Conversion Frame Buffer Display Image Display Processor Memory Display Controller Frame Buffer: Frame Buffer คือหน่วยความจำ ที่เก็บ pixel ที่ปรากฎอยู่บนจอภาพ Bit Map ในรูปตาราง Row ของ Frame Buffer = จำนวนเส้น Raster Scan Column ของ Frame Buffer=จำนวน pixel ในเส้น Raster Scan Ex 512 x 512 display = 262,144 pixel memory location Slide53: 1 0 0 1 1 0 1 1 0 1 1 1 0 1 1 Frame Buffer Display Screen Data in frame buffer: Data in frame buffer ใช้แทน Pixel แต่ละจุด 1 bit-plane frame buffer = ใช้ในจอภาพขาวดำความเข้ม 2 ระดับ Framebuffer ใช้ 3 bit = ได้ 8 ค่าความเข้ม Frame Buffer to CRT : Frame Buffer to CRT Display Controller: Display Controller หน่วยการแสดงภาพ หรือตัว Control การแสดงภาพ ทำหน้าที่อ่าน Data จาก Frame buffer มาแสดงผลบน CRT TV ขาวดำ = 8 bit = 28 = 256 ระดับ สี = 24 bit = 224 = 16,772,216 ถ้าจอ 512 x 512 มีสี ต้องใช้ Frame buffer 512 x 512 x 24 = 6,291,456 bit Random-Vector Display: Random-Vector Display Memory = display file เก็บคำสั่งเกี่ยวกับการแสดงภาพ Display File CRTComparison of Raster-Scan and Random-Vector display : Comparison of Raster-Scan and Random-Vector display Comparison of Raster-Scan and Random-Vector display : Comparison of Raster-Scan and Random-Vector display Slide60: random vector ต้องการ memory < Frame buffer random Vector Modify ส่วนของภาพได้เร็วกว่า เพราะทำงานเพียงเป็น coordinate บน displaylist ข้อเสีย Random Vector ไม่เหมาะกับการระบาย การสร้างภาพที่มีแสงเงาเหมือนจริง Complexity ของภาพ มีขีดจำกัด ขึ้นอยู่กับความสามารถของระบบที่จะเขียนซ้ำภาพ (Refresh Cycle)