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added ply/direction spin
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@nebogeo
nebogeo committed May 25, 2015
1 parent 6a8885d commit 41e6b0b
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6 changes: 3 additions & 3 deletions README.md
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#Coding with knots

Khipu parsing code for reading the [Khipu Database Project](http://khipukamayuq.fas.harvard.edu/) files.
Quipu parsing code for reading the [Khipu Database Project](http://khipukamayuq.fas.harvard.edu/) files.
This project is an side thread of the [weavingcodes](http://kairotic.org) project.

![](https://github.com/nebogeo/khipu-parser/raw/master/UR113 Valhalla_jpg.jpg)
Expand All @@ -15,5 +15,5 @@ This project is an side thread of the [weavingcodes](http://kairotic.org) projec

Command line:

$ python khipu2dot.py
$ dot khipu.dot -tPNG > khipu.png
$ python quipu2dot.py
$ dot quipu.dot -tPNG > quipu.png
82 changes: 53 additions & 29 deletions khipu2dot.py → quipu2dot.py
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# A Khipu database parser
# A Quipu database parser
# Copyright (C) 2015 Dave Griffiths
#
# This program is free software: you can redistribute it and/or modify
Expand Down Expand Up @@ -26,28 +26,36 @@ def get_parent_pendant(s):
return s[0:s.rfind("s")]
else: return ""

# a knot is complicated enough to make a class for
class knot:
def __init__(self,value,type,position,spin):
self.value = value
self.type = type
self.position = position
self.spin = spin

# render the knot to ascii format!
def render(self):
r = ""
direction = "?"
# + 90 degrees
if self.spin=="S": direction = "/"
if self.spin=="Z": direction = "\\\\"

r=""
if self.type == "S":
for i in range(0,self.value):
if i==0:
r+="O"
else:
r+="-O"
r+=direction+"O"
elif self.type == "L":
for i in range(0,self.value):
r+="C"
r+=direction
elif self.type == "E":
r+="8"
r+=direction+"8"
return r

# build a knot from it's text representation
def parse_knot(s):
value = 1
position = 0
Expand All @@ -61,19 +69,19 @@ def parse_knot(s):
position,
s[s.find("/")+1:s.find(")")])

# render a list of knots
def parse_knots(s):
if s == "": return []
return map(parse_knot,s.split(" "))

# colours

# multicolour codes
# B-G twisted together (barber pole)
# B:G interspersed (mottled)
# B/G colour change with distance

# partially from here: http://tx4.us/nbs-iscc.htm
colour_lookup = {
"W": "#FFFFFF",
"W": "#777777",
"SR": "#BF2233",
"MB" : "#673923",
"GG" : "#575E4E",
Expand All @@ -94,11 +102,7 @@ def parse_knots(s):
"GA" : "#503D33"
}

def parse_colour(s):
if ":" in s: s = s[0:s.find(":")]
if "-" in s: s = s[0:s.find("-")]
if "/" in s: s = s[0:s.find("/")]

def parse_one_colour(s):
if "(" in s: s = s[0:s.find("(")]
s = s.strip(" ")

Expand All @@ -109,9 +113,15 @@ def parse_colour(s):
print("don't know this colour: ["+s+"]")
return "yellow"

# we don't differenciate between colour effects yet :(
def parse_colour(s):
#print s
if ":" in s: return map(parse_one_colour,s.split(":"))
elif "-" in s: return map(parse_one_colour,s.split("-"))
elif "/" in s: return map(parse_one_colour,s.split("/"))
else: return [parse_one_colour(s)]

# unit tests for the parsing functions

def unit_test():
assert(has_parent("X1")==False)
assert(has_parent("X1s1")==True)
Expand All @@ -123,47 +133,61 @@ def unit_test():
assert(ks[0].position==5.0)
assert(ks[0].spin=="Z")
assert(len(parse_knots(""))==0)
assert(parse_colour("foo")=="yellow")
assert(parse_colour("MB")=='"#673923"')
assert(parse_colour("foo")==["yellow"])
assert(parse_colour("MB")==['"#673923"'])
assert(parse_colour("MB:MG")==['"#673923"','"#817066"'])

# run em...
unit_test()

# convert a database spreadsheet into a dot file for visualisation
def parse_to_dot(quipu):
out = "digraph {\n graph [rankdir=LR]\n"
out = "graph {\n graph [rankdir=LR]\n"
# skip the gumpf at the top, start on the 6th line
for curr_row in range(6,quipu.nrows):
row = quipu.row(curr_row)
# get the stuff from the row
pid = quipu.cell_value(curr_row, 0)
if quipu.cell_type(curr_row, 0)==2: # convert a number to text
pid = str(int(pid))
ply = quipu.cell_value(curr_row, 1)
attach = quipu.cell_value(curr_row, 2)
knots = parse_knots(quipu.cell_value(curr_row, 3))
colour = parse_colour(quipu.cell_value(curr_row, 7))
colours = parse_colour(quipu.cell_value(curr_row, 7))

if quipu.cell_type(curr_row, 0)==2: # a number
pid = str(int(pid))
# generate graphviz colour list
clist = ""
for i,c in enumerate(colours):
if i==0:
clist+=c
else:
clist+=":"+c

# no parent, attach to the primary node
if not has_parent(pid):
out+='"primary" -> "'+pid+'"\n'
out+='"primary" -- "'+pid+'" [penwidth=5,color='+colours[0]+']\n'
else:
out+='"'+get_parent_pendant(pid)+'" -> "'+pid+'"\n'
# otherwise attach to parent
out+='"'+get_parent_pendant(pid)+'" -- "'+pid+'" [penwidth=5,color='+colours[0]+']\n'

out+='"'+pid+'" [label="", style=filled, fillcolor='+colour+']\n'
# describe the node details
out+='"'+pid+'" [label="'+ply+" "+attach+'", style=filled, fillcolor='+colours[0]+']\n'

# stick the knots on the end
# stick the knots on the end of the pendant node
p = pid
pos = 0
for i,knot in enumerate(knots):
kid = pid+':'+str(i)
out+='"'+p+'" -> "'+kid+'"\n'
out+='"'+p+'" -- "'+kid+'" [penwidth=5,color='+colours[0]+']\n'
pos+=knot.position
out+='"'+kid+'" [label="'+knot.render()+'"style=filled, fillcolor='+colour+']\n'
out+='"'+kid+'" [label="'+knot.render()+'", style=filled, fillcolor='+colours[0]+']\n'

out+="}\n"
return out

# open the spreadsheet
workbook = xlrd.open_workbook('UR035.xls')
workbook = xlrd.open_workbook('UR001.xls')
print workbook.sheet_names()
quipu = workbook.sheet_by_name('Pendant Detail')

with open('khipu.dot', 'w') as f:
with open('quipu.dot', 'w') as f:
f.write(parse_to_dot(quipu))

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