Created
August 4, 2015 07:47
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#!/usr/bin/python | |
import sys | |
import math | |
import re | |
import collections | |
import os | |
filament_diameter = 1.75; | |
layer_height = float(os.getenv('layer_height', 0.4)) | |
point = collections.namedtuple('point', ['x', 'y', 'e']) | |
area = math.pi * (filament_diameter ** 2) / 4 | |
def parse_coord(line): | |
coord_regex = r'([^ ]+)' | |
x = float(re.search('X' + coord_regex, line).group(1)) | |
y = float(re.search('Y' + coord_regex, line).group(1)) | |
e = float(re.search('E' + coord_regex, line).group(1)) | |
return point(x, y, e) | |
def distance(p1, p2): | |
return math.sqrt((p1.x - p2.x) ** 2 + (p1.y - p2.y) ** 2) | |
def extrusion_width(p1, p2): | |
dist = distance(p1, p2) | |
volume = area * abs(p1.e - p2.e) | |
diameter = layer_height | |
circle_area = (diameter ** 2) * math.pi / 4 | |
extrusion_crosssection_area = volume / dist | |
rectangular_width = ((extrusion_crosssection_area - circle_area) / | |
layer_height) | |
return diameter + rectangular_width | |
line1 = sys.stdin.readline().strip() | |
line2 = sys.stdin.readline().strip() | |
point1 = parse_coord(line1) | |
point2 = parse_coord(line2) | |
print extrusion_width(point1, point2) |
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