Scintillation in Antiquity
The original ratios and coloration which generate the Scintillation effect were the natural materials of obsidian, ground obsidian or silica quartz, and pumice, all of which are natural to active volcanic regions.
It is plausible that humans of pre-historic times were able to generate a reference grid such as this by overlaying a wet fiber or hair on cooling lava such as to allow natural forming of the silica with the boiling moisture's expansion and the extrusive growth of a pumice hemisphere at the intersections by dripping water or placing wet salt or clay at this point. Ground silica glass from obsidian also has the exact luminosity required for the gray bars as does black obsidian and white pumice. There is indication that this reference frame was used for pre-historic sculpture and glass works and in early metal foundries and helped to standardize trade ratios and measures in oceanic regions.[1]
Although the square grid is interesting in its own, there are additional layouts that have even greater effect. Both a 6-point (equilateral triangle) and a more complex grid with masonic angle references also generate these effects.
Optimally, one would construct the grid as a variation of luminosity from the (circle) reference grid points, expanding outward from white to black. The result is a function based on the grid points and background shading with spatial highlights where the lines are in these examples.
This configuration is easily extruded in three dimensions by controlled cooling and expansion of volcanic lava flow by moisture to produce a semi-transparent panel which exponentiates the visual effects with projected false points (dots) in 3d. The resulting exact measure standard would be used to project sunlight or light from fire across the casting or sculpture so that artisans could further refine the arts or tools to the grid projection. When lit from behind or in sunlight, this semi-transparent glass panel has a glowing effect which further projects the Scintillation.[2]
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There are also modern studies of Anomalous Motion which uses this same pure white and black leading and trailing edge effects to generate optical illusions of physical motion or depth in static images. This same spatial projection technique was used historically when painted on the panels as above. When cast in glass, the accurate black-white-gray coloration could be used to project 3d images with perceived motion and holographic extrusion from the panel or sculpture.[3]
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Following a Point Centric SVG design for tile, the ratio of black to gray is 2:3 horizontal or vertical with a 1:3 circle center. The minimal gray color for effect is 1/2 the amplitude between black and white channels at any system luminosity. Using a 10x10 grid as a template, which can be rendered at any size, it is easiest to create 4*4x4 unit squares with 2 wide bars, or overlay 1/5th wide lines on the center of the image. The circle should be [PI] diameter using a 10x10 grid, or approximately 3u.
As a SVG, the following template may be used or rendered to a raster at any size:
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