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Add alternative for Python 3 #2

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Add alternative for Python 3 #2

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45 changes: 45 additions & 0 deletions BinaryToASCII_Python3.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
# -*- encoding: utf-8 -*-
import struct

infile = open('input_file.stl', 'rb') #import file
out = open('ASCII.stl', 'w') #export file

data = infile.read()


out.write("solid ")

for x in range(0,80):
if not data[x] == 0:
out.write(chr(data[x]))
else:
pass
out.write("\n")

faces = struct.unpack('I', data[80:84])[0]

for x in range(0,faces):
out.write("facet normal ")

offset = 84+x*50

out.write(str(struct.unpack('f', data[offset:offset+4])[0]) + " ")
out.write(str(struct.unpack('f', data[offset+4:offset+8])[0]) + " ")
out.write(str(struct.unpack('f', data[offset+8:offset+12])[0]) + "\n")

out.write("outer loop\n")

for y in range(1,4):
out.write("vertex ")

offset = 84+y*12+x*50

out.write(str(struct.unpack('f',data[offset:offset+4])[0]) + " ")
out.write(str(struct.unpack('f',data[offset+4:offset+8])[0]) + " ")
out.write(str(struct.unpack('f',data[offset+8:offset+12])[0]) + "\n")

out.write("endloop\n")
out.write("endfacet\n")

out.close()
print("end")