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############################################################################
#
# File: drawscan.icn
#
# Subject: Program to analyze scanned drawdowns
#
# Author: Ralph E. Griswold
#
# Date: May 14, 1999
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# AD HOC and experimental. The parameters are setup for a 32x32 cell
# draft.
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: numbers, wopen
#
############################################################################
link numbers
link wopen
$define Cells 32
procedure main(args)
local x, y, pixel, popl, width, cellsize
WOpen("canvas=hidden", "image=" || args[1]) | stop("*** cannot open image")
width := WAttrib("width")
cellsize := round(real(width) / Cells)
writes(Cells, ",g2,")
width := cellsize * Cells
every y := 0 to width - cellsize / 2 by cellsize do {
every x := 0 to width - cellsize / 2 by cellsize do {
popl := table(0)
every pixel := Pixel(x + 4, y + 4, cellsize - 8, cellsize - 8) do
popl[PaletteKey("g2", pixel)] +:= 1
popl := sort(popl, 4)
pull(popl)
writes(pull(popl))
}
}
WriteImage("drawscan.gif")
end
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