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area measurements

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Motiejus Jakštys 2019-11-30 02:41:33 +02:00
parent 61471c1d77
commit 19459813ee
2 changed files with 15 additions and 4 deletions
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6
Karto/assignment4/KTZ004_2019_04_ats.py
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@ -130,8 +130,8 @@ Kelias A-08
Griovys G-11
*******
Visas prognozuojamo uzliejimo plotas (0.001 m2 tikslumu)
*******
%.3f""" % heptagon_area + """
Visas uzlietas plotas (0.001 m2 tikslumu)
*******
%.3f""" % circle_area + """
Plotas kuris liko neuzlietas (0.001 m2 tikslumu)
*******""")
%.3f""" % (heptagon_area - circle_area))

13
Karto/assignment4/measure.py
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@ -2,7 +2,7 @@
from collections import namedtuple
from decimal import Decimal as Dec
from math import sin, cos, pi
from shapely.geometry import LineString
from shapely.geometry import LineString, asPolygon, Point as sPoint
import numpy as np
def normalize(ang):
@ -41,6 +41,13 @@ class Vertex:
"""xy returns a tuple of lksx and lksy coordinates"""
return np.array([float(self.coords.lksx), float(self.coords.lksy)])
def heptagon(d1):
angles = np.linspace(0, 2*pi, num=8)
R = float(D1)/2/sin(pi/7)
heptagon_xy = (np.array([np.cos(angles), np.sin(angles)])*R).T
return asPolygon(heptagon_xy)
juosta = namedtuple('juosta', ['plotis', 'kryptis', 'dashes', 'spalva'])
kelias = namedtuple('kelias', ['virsunes', 'plotis', 'kat', 'dashes', 'spalva', 'juostos'])
@ -128,6 +135,10 @@ K1 = Dec('13.147') + B
# Atstumas iki tikrosios uzliejimo zonos (A1) (0.001 tikslumu)
A1 = Dec('67.536') + B
circle_radius = float(D1)/2/sin(pi/7)-float(A1)
heptagon_area = heptagon(float(D1)).area
circle_area = sPoint(0,0).buffer(circle_radius).area
# Points is vertice map by id
Points = {}
for v in vertices: