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IMAGE. 3D . Look at these pictures. What’s the difference?. 2D – x(width) and Y (height) axis 3D – x(width) and Y (height) axis AND Z (depth). How we do 3D model. Using 3D applications Start with a shape Define the shape and create Finally -> RENDERING!!!.

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  1. IMAGE 3D

  2. Look at these pictures

  3. What’s the difference? • 2D – x(width) and Y (height) axis • 3D – x(width) and Y (height) axis • AND Z (depth)

  4. How we do 3D model • Using 3D applications • Start with a shape • Define the shape and create • Finally -> RENDERING!!!

  5. Colors and palettes

  6. Colors frequency of light wave of electromagnetics spectrum - human eyes response

  7. Palettes Common Palettes 1 – bit (dwicolor) 4 – bit (16 color) 8 – bit (256 color) 16 – bit (Thousands colors) 24 – bit (millions colors) Higher bit = rich color 256-colors, VGA, 8 bit

  8. Dithering… Color value pixel define to the closest matching color Example: Scanned image … 24-bit scanned image (millions colours) to 8-bit (computer)

  9. File format Apple – PICT (Mac users) Windows – BMP (DIBs – device independent bitmap) TIFF – desktop publishing DXF & IGF – drawn object (autoCAD) JPEG & GIF – most commonly use

  10. The end

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