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Gaetano Raffaele authored34d7f4a0
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import copy
import numpy as np
import pandas as pd
from time import time
from Model.Geometry import PointXYZ
from Model.Geometry.ProfileXYZ import ProfileXYZ
from Model.Geometry.vector_1d import Vector1d
def update_station(list_header, list_point_xyz):
profile = ProfileXYZ(list_header, list_point_xyz)
if profile.nb_points >= 3:
return get_station(profile)
else:
pass
def get_station(profile: ProfileXYZ) -> np.ndarray:
"""Projection of the points of the profile on a plane.
Args:
profile: The profile
Returns:
Projection of the points of the profile on a plane.
"""
if profile.nb_points >= 3:
first_named_point = None
index_first_named_point = None
last_named_point = None
for index, point in enumerate(profile.points):
if point.point_is_named():
index_first_named_point = index
first_named_point = point
break
for point in profile.points[::-1]:
if point.point_is_named():
last_named_point = point
break
station = [] # abscisse en travers
constant = 0.0 # constante pour décaler l'origine de l'ascisse en travers caluculée.
if (first_named_point is not None) and (last_named_point is not None):
if first_named_point != last_named_point and first_named_point.x != last_named_point.x:
vector = Vector1d(first_named_point, last_named_point)
normalized_direction_vec = vector.normalized_direction_vector()
else:
vector = Vector1d(_first_point_not_nan(profile), _last_point_not_nan(profile))
normalized_direction_vec = vector.normalized_direction_vector()
for point in profile.points:
xi = point.x - first_named_point.x
yi = point.y - first_named_point.y
station_i = normalized_direction_vec[0] * xi + normalized_direction_vec[1] * yi
station.append(station_i)
station = np.array(station)
constant = station[index_first_named_point] # pour placer l'origine au premier point nomme.
elif first_named_point is None:
vector = Vector1d(_first_point_not_nan(profile), _last_point_not_nan(profile))
normalized_direction_vec = vector.normalized_direction_vector()
for point in profile.points:
xi = point.x - _first_point_not_nan(profile).x
yi = point.y - _first_point_not_nan(profile).y
station_i = normalized_direction_vec[0] * xi + normalized_direction_vec[1] * yi
station.append(station_i)
station = np.array(station)
index_profile_z_min = np.where(np.array(profile.z) == profile.z_min)[0][0]
constant = station[index_profile_z_min] # pour placer l'origine au fond ie à la cote minimale
# z_min du profil.
station = station - constant
return station
else:
return np.array(np.nan)
def _point_is_nan(point: PointXYZ):
return pd.isna(point.x) or pd.isna(point.y) or pd.isna(point.z)
def _first_point_not_nan(profile: ProfileXYZ):
first_point_not_nan = profile.points[0]
for point in profile.points:
if not _point_is_nan(point):
first_point_not_nan = point
break
return first_point_not_nan
def _last_point_not_nan(profile: ProfileXYZ):
last_point = profile.points[-1]
for point in profile.points[::-1]:
if not _point_is_nan(point):
last_point = point
break
return last_point