107 lines
4.7 KiB
Python
107 lines
4.7 KiB
Python
#!/usr/bin/env python
|
|
|
|
from __future__ import print_function
|
|
|
|
import sys
|
|
import os
|
|
import itertools
|
|
from functools import cmp_to_key
|
|
|
|
def transform(u,v,w,tm):
|
|
x,y,z,a,b,c,d,e,f,g,h,i = tm
|
|
return (a*u + b*v + c*w + x),(d*u + e*v + f*w + y),(g*u + h*v + i*w + z)
|
|
|
|
def handle_file(fname,lines,triangles,quads):
|
|
with open(fname) as f:
|
|
for line in f:
|
|
t = line.split()
|
|
if t[0] == '0':
|
|
continue
|
|
elif t[0] == '1':
|
|
c = int(t[1])
|
|
if c != 16:
|
|
print("no support for sub-files with other colors than 16", file=sys.stderr)
|
|
exit(1)
|
|
tm = [float(x) for x in t[2:-1]]
|
|
dn = os.path.dirname(fname)
|
|
fname2 = os.path.join(dn,t[-1])
|
|
lines2 = list()
|
|
triangles2 = list()
|
|
quads2 = list()
|
|
handle_file(fname2,lines2,triangles2,quads2)
|
|
# now apply the give transformation to the new lines, triangles and quads
|
|
for c,x1,y1,z1,x2,y2,z2 in lines2:
|
|
x1,y1,z1 = transform(x1,y1,z1,tm)
|
|
x2,y2,z2 = transform(x2,y2,z2,tm)
|
|
lines.append((c,x1,y1,z1,x2,y2,z2))
|
|
for c,x1,y1,z1,x2,y2,z2,x3,y3,z3 in triangles2:
|
|
x1,y1,z1 = transform(x1,y1,z1,tm)
|
|
x2,y2,z2 = transform(x2,y2,z2,tm)
|
|
x3,y3,z3 = transform(x3,y3,z3,tm)
|
|
triangles.append((c,x1,y1,z1,x2,y2,z2,x3,y3,z3))
|
|
for c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 in quads2:
|
|
x1,y1,z1 = transform(x1,y1,z1,tm)
|
|
x2,y2,z2 = transform(x2,y2,z2,tm)
|
|
x3,y3,z3 = transform(x3,y3,z3,tm)
|
|
x4,y4,z4 = transform(x4,y4,z4,tm)
|
|
quads.append((c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4))
|
|
elif t[0] == '2':
|
|
c = int(t[1])
|
|
x1,y1,z1,x2,y2,z2 = [float(x) for x in t[2:]]
|
|
lines.append((c,x1,y1,z1,x2,y2,z2))
|
|
elif t[0] == '3':
|
|
c = int(t[1])
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3 = [float(x) for x in t[2:]]
|
|
triangles.append((c,x1,y1,z1,x2,y2,z2,x3,y3,z3))
|
|
elif t[0] == '4':
|
|
c = int(t[1])
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 = [float(x) for x in t[2:]]
|
|
quads.append((c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4))
|
|
else:
|
|
print("unknown line type: %s"%t[0], file=sys.stderr)
|
|
exit(1)
|
|
|
|
def rotate(cycle):
|
|
tcmp = lambda a,b: cmp(a[1],b[1])
|
|
smallest_idx = min(enumerate(cycle), key=cmp_to_key(tcmp))[0]
|
|
return cycle[smallest_idx:]+cycle[:smallest_idx]
|
|
|
|
def normalize_l(c,x1,y1,z1,x2,y2,z2):
|
|
if (x1,y1,z1) < (x2,y2,z2):
|
|
return (c,x1,y1,z1,x2,y2,z2)
|
|
else:
|
|
return (c,x2,y2,z2,x1,y1,z1)
|
|
|
|
def normalize_t(c,x1,y1,z1,x2,y2,z2,x3,y3,z3):
|
|
#pts = rotate([(x1,y1,z1),(x2,y2,z2),(x3,y3,z3)])
|
|
pts = [(x1,y1,z1),(x2,y2,z2),(x3,y3,z3)]
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3 = itertools.chain.from_iterable(pts)
|
|
return (c,x1,y1,z1,x2,y2,z2,x3,y3,z3)
|
|
|
|
def normalize_q(c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4):
|
|
#pts = rotate([(x1,y1,z1),(x2,y2,z2),(x3,y3,z3),(x4,y4,z4)])
|
|
pts = [(x1,y1,z1),(x2,y2,z2),(x3,y3,z3),(x4,y4,z4)]
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 = itertools.chain.from_iterable(pts)
|
|
return (c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4)
|
|
|
|
if __name__ == '__main__':
|
|
lines = list()
|
|
triangles = list()
|
|
quads = list()
|
|
handle_file(sys.argv[1],lines,triangles,quads)
|
|
# now normalize the lines, triangles and quads
|
|
lines = [ normalize_l(*x) for x in lines]
|
|
triangles = [ normalize_t(*x) for x in triangles]
|
|
quads = [ normalize_q(*x) for x in quads]
|
|
# now output the normalized values
|
|
with open(os.path.join(sys.argv[2],os.path.basename(sys.argv[1])), "w") as outfile:
|
|
# we round to six digits and add zero to avoid printing a negative zero
|
|
for c,x1,y1,z1,x2,y2,z2 in sorted(lines):
|
|
x1,y1,z1,x2,y2,z2 = [round(t,6)+0 for t in x1,y1,z1,x2,y2,z2]
|
|
outfile.write("2 %d %s %s %s %s %s %s\n"%(c,x1,y1,z1,x2,y2,z2))
|
|
for c,x1,y1,z1,x2,y2,z2,x3,y3,z3 in sorted(triangles):
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3 = [round(t,6)+0 for t in x1,y1,z1,x2,y2,z2,x3,y3,z3]
|
|
outfile.write("3 %d %s %s %s %s %s %s %s %s %s\n"%(c,x1,y1,z1,x2,y2,z2,x3,y3,z3))
|
|
for c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 in sorted(quads):
|
|
x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 = [round(t,6)+0 for t in x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4]
|
|
outfile.write("4 %d %s %s %s %s %s %s %s %s %s %s %s %s\n"%(c,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4))
|