3D Elliptic Fourier Analysis

import urllib

import numpy as np
import pandas as pd

import matplotlib.pyplot as plt
import seaborn as sns
import plotly.express as px

from ktch.outline import EllipticFourierAnalysis

3D coordinate values of a leaf edge

resp = urllib.request.urlopen("https://strata.morphometrics.jp/examples/rolling_alpha_016_nIntervals_64.csv")
arr_coord = np.loadtxt(resp)
df_coord = pd.DataFrame(arr_coord, columns=["x", "y", "z"])

fig = px.line_3d(df_coord, x="x", y="y", z="z")
fig.update_layout(
    scene=dict(
                 aspectmode='data'
         )
)
fig.show()