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GRAP 3175 Computer Applications for Drafting Unit IV Application Software

GRAP 3175 Computer Applications for Drafting Unit IV Application Software. Computer Graphics. Definition -- Uses. Images and pictures jointly created by a computer program and the person using it. Many forms: graphs, drawings, paintings, portraits, presentations, simulation, or architecture

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GRAP 3175 Computer Applications for Drafting Unit IV Application Software

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  1. GRAP 3175Computer Applications for DraftingUnit IVApplication Software

  2. Computer Graphics

  3. Definition -- Uses • Images and pictures jointly created by a computer program and the person using it. • Many forms: graphs, drawings, paintings, portraits, presentations, simulation, or architecture • Range: simple bar charts -- complex 3D design -- animation

  4. Types of Graphics • Text Graphics • Bitmapped Graphics • Vector Graphics • Metafile

  5. Text Graphics

  6. Bitmapped Graphics • Raster graphics • Pixels - picture element dots (on, off, intensity, or color) • Resolution - number of pixels a display contains • Bitmap - image created by a matrix of pixels • BMP, GIF, TIF, PCX, PNG, JPEG, etc.

  7. Vector Graphics • Object-oriented graphics • Mathematically defined images • Stored as geometric images • Control points used to establish the length & curve of a line • Higher resolution • CGM, EPS, WMF, DXF, DWG

  8. Metafile • Bit-Mapped & Vector combined • WMF, PICT, etc.

  9. Uses & Types of Graphics Software • Paint & Draw Programs • Design Programs • Screen Capture / Graphics Conversion • Chart/Graph Programs • Presentation Graphics / Multimedia Programs

  10. Paint & Draw Programs • Users - artists, illustrators, advertising agencies, businesses, etc.

  11. Draw Programs • Vector / Object-oriented • Freehand illustration, line drawings, some CAD • Ability to edit • Corel Draw, Adobe Illustrator, Canvas, Powerpoint

  12. Paint Programs • Bitmapped / Raster (similar to painting on canvas) • PC Paintbrush, MacPaint, Color It, Appleworks, NT Paint

  13. Design Programs • Vector / Object-oriented • Designing products or structures • 2D, 3D, Solids, Simulation, Testing, etc • Computer-Aided Design • Animation • AutoCAD, Cadkey, Microstation, Solidworks, Pro Engineer, 3D-Studio, etc.

  14. Screen Capture / Graphics Conversion • Screen-capture Programs • TSR • Graphics Conversion Programs

  15. Chart/Graph Programs • Numerical data • Converts data into pictorial representation to show relationships • Stand-alone or incorporated into another package • ChartMaster, Excel, Powerpoint, etc.

  16. Presentation Graphics / Multimedia • Combines simple chart/graph features with other features to help create, organize, and sequence a slide presentation; create handouts; generate speaker’s notes and flip charts. • 35 mm slides or on-screen slide show • Authoring Software • PowerPoint, Hyperstudio, Persuasion, Macromedia Director, AutoCAD, etc.

  17. Features of Graphic Software • Chart/Graph Types • Slide Show • Image Manipulation • Identify objects • select • Lasso / marquee • Copy, Cut, Paste • Drag

  18. Features of Graphic Software • Rotate • Superimpose • Line thickness • Scale • Template • Grid / Snap • Fill Pattern • Color

  19. Features of Graphic Software • Text • Zoom • Pan • Mirror • 3-D • Animation • Picture Library

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