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fix trigonometry

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Motiejus Jakštys 2019-11-26 00:57:57 +02:00
parent 44c5e10945
commit b74cbcdffd
2 changed files with 14 additions and 8 deletions
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Karto/assignment4/KTZ004_2019_04_brez.dwg
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22
Karto/assignment4/measure.py
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@ -1,6 +1,7 @@
#!/usr/bin/env python3
from collections import namedtuple
from decimal import Decimal as Dec
from math import sin, cos, pi
def guess(inp):
if isinstance(inp, str) and '-' in inp:
@ -19,16 +20,16 @@ class Point(namedtuple('Point', ['acadx', 'acady'])):
return self.acadx
class Vertex:
def __init__(self, point, length, angle, dirang=Dec()):
def __init__(self, point, length, angle, dirang=Dec(), coords = Point(Dec(), Dec())):
self.point = point
self.len = length
self.ang = angle
self.dirang = dirang
self.coords = Point(Dec(), Dec())
self.coords = coords
def __str__(self):
return "%2d: len:%7.3f ang:%8.4f dirang:%8.4f acadcoords:(%.3f,%.3f)" % \
(self.point, self.len, self.ang,
self.dirang, self.coords.acadx, self.coords.acady)
return "%2d: len:%7.3f acadang:%9.4f acadcoords:(%.3f,%.3f)" % \
(self.point, self.len,
(90 - self.dirang), self.coords.acadx, self.coords.acady)
A= Dec('6.094')
B= Dec('-2.923')
@ -41,8 +42,8 @@ Y11 = Dec('485944.146')
A11_2 = guess('70-16-17')
vertices = [
# point len angle dirangle
Vertex(11, Dec('164.126'), guess('103-03-03'), A11_2),
# point len angle dirangle coords
Vertex(11, Dec('164.126'), guess('103-03-03'), A11_2, Point(X11, Y11)),
Vertex(2, Dec('149.851'), guess('218-27-42')),
Vertex(19, Dec('82.384' ), guess('211-44-30')),
Vertex(3, Dec('259.022'), guess('67-26-49' )),
@ -74,7 +75,12 @@ for v in vertices:
theoretical_angle_sum = Dec(int((len(vertices)-2)*180))
for i, v in enumerate(vertices[1:]):
v.dirang = vertices[i].dirang + 180 - v.ang
prev = vertices[i]
v.dirang = prev.dirang + 180 - v.ang
dx = Dec(float(prev.len) * cos(float(prev.dirang) * pi/180))
dy = Dec(float(prev.len) * sin(float(prev.dirang) * pi/180))
v.coords = Point(prev.coords.acadx + dx, prev.coords.acady + dy)
if __name__ == '__main__':
print("""