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320 x 352 pixels, created using a Vic-20 computer.This image was put together just using programming, to render some rectangular areas of basic vertical gradients (running in opposing directions), as well as a front rectangle with a single vertical gradient. The programming was based around setting up a scanning process going from left to right, and repeated from top to bottom. As each point is tested for a value, that value is converted to one of the 19 halftone patterns that have been predefined (based on a unit grid of 3x6 pixels). |
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320 x 352 pixels, created using a Vic-20 computer.Several 'exclusive-or' blocks were applied to the previous image, effectively reversing the existing tones. |
320 x 352 pixels, created using a Vic-20 computer.A pleasing combination of shapes and tones. The initial rendering took about 7 hours to complete. After the initial rendering, the borders between neighbouring levels of tone were diffused slightly by manually editing alternating pairs of the two neighbouring levels. This would be a useful thing to do for all of the images shown here with bands of different gradient levels, but the extra time for manually editing these images would be just too much. |
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320 x 352 pixels, created using a Vic-20 computer.There was a 4 x 4 pattern made from the same unit image. Columns 2 and 4 were then reversed by applying exclusive-or blocks over them (effectively reversing the tonal values of those columns). It gives the impression of alternating tonal relationships. |
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| Prev | Gallery 4 - Vic-20 Graphics - page 8 (of 17) |