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Tonal Abstract with Randomly Toned Tiles


320 x 352 pixels, produced on a Vic-20 computer.

13 tiles wide x 15 tiles high. An array was filled with random levels and then rendered by a program for showing one of 19 levels of tone. The 19 different levels of tone were shown using more even spreads of dots to those used for the halftone patterns.

 

Double-sized Version:

 

 

 

 

Tonal Rendering of a TGA Image File 1


320 x 352 pixels, produced on a Vic-20 computer.

27 tiles wide x 31 tiles high. A 27 x 31 pixel greyscale TGA image file was loaded into a section of available RAM and read by a program for rendering one of 19 levels of tone. The image was taken from a photograph of my portrait of "the Linguist". I was keen to see whether I could display a file loaded into the Vic-20. I found that I could only load in a very small file - there simply wasn't much RAM space left for loading in a file, with the "BigArt" screen and machine code routines already taking up most of the available RAM.

 

Double-sized Version:

 

 

 

Tonal Rendering of a TGA Image File 2


320 x 352 pixels, produced on a Vic-20 computer.

54 tiles wide x 61 tiles high. A 54 x 61 pixel greyscale TGA image file was loaded into a section of available RAM and read by a program for rendering one of 19 levels of tone. The image was taken from a photograph of my portrait of "the Linguist". I was keen to see whether I could display a file loaded into the Vic-20. I found that I could only load in a very small file - there simply wasn't much RAM space left for loading in a file, with the "BigArt" screen and machine code routines already taking up most of the available RAM. I calculated that I could just fit in an image of 54 x 61 pixels.

 

Double-sized Version:

 

 


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Monthly Display - December 2017
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