Podcamp Nashville 2012 Pixel Dust

Joe Smithdesigner, developer

#pcn12pixeldust

#pcn12pixeldust

Color DepthResolution

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DPI LPI PPI

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2px by 2px4 pixels24 bit color

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14px by 14px196 pixels24 bit color

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40px by 40px1,600 pixels24 bit color

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110px by 110px12,100 pixels24 bit color

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230px by 230px52,900 pixels24 bit color

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pixel-for-pixel630px by 630px396,900 pixels24 bit color

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2,636px by 3,923px10,341,028 pixels24 bit color

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24 bit color

110px by 110px12,100 pixels

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24 bit color

110px by 110px12,100 pixels

8 bit color

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24 bit color

110px by 110px12,100 pixels

8 bit color1 bit color

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1 Bit Colordigital color is binary

one’s and zeros 010101

21 = 2 colors

8 Bit Color28 = 256 colors

24 Bit Color224 = 16,777,216

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RGBRed (256 variants)

256x 256x 256

16,777,216

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RGBRed (256 variants)

256x 256x 256

16,777,216

Green (256 variants)

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RGBRed (256 variants)

256x 256x 256

16,777,216

Blue (256 variants)Green (256 variants)

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Cyan

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CyanMagenta

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CyanMagentaYellow

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CyanMagentaYellowBlack

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Printing on paper with a limited number of colors

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Macbook Pro 15 inch (diagonal) 13 inches wide 1440 pixels wide ~110 ppi

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iPad 3 2048 by 1536 264 ppi

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iPhone 3gs480 by 320163 ppi

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iPhone 4gs 960 by 640326 ppi

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GIF JPEG PNG

8 bitGraphics

Med Compress1 bit Transp

24 bitPhotos

Hi CompressNo Transp

24 bitGraphics/PhotosLow Compress

8 bit Transp

Joe Smithdesigner, developer

#pcn12pixeldust