X302¶
ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT
X302 is the isotomic conjugate of 1st Napoleon point.
X302 (ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_302 = ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT."""
from __future__ import annotations
from pathlib import Path
import sympy.geometry as spg
from geometor.model import Model
from geometor.etc.ops import (
central_line,
centroid_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
isotomic_conjugate,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00302(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_302 = ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT on reference triangle ABC."""
X_17 = eval_trilinear_point(model, A, B, C, 'csc(A + pi /6)', ID="X_17", classes=["center"])
X_302 = isotomic_conjugate(model, A, B, C, X_17, ID="X_302", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_2, X_6, 2, 6, incident=True)
X_18 = eval_trilinear_point(model, A, B, C, 'csc(A - pi /6)', ID="X_18", classes=["center", "incident"])
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
central_line(model, X_18, X_76, 18, 76, incident=True)
X_14 = eval_trilinear_point(model, A, B, C, 'csc(A - pi /3)', ID="X_14", classes=["center", "incident"])
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
central_line(model, X_14, X_99, 14, 99, incident=True)
return promote_point_to_top(model, X_302)
def build_model(
sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
show_guides: bool = False,
) -> Model:
"""Build a `geometor.model.Model` for X_302 on the given reference triangle."""
model = create_model('X_302 = ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00302(model, A, B, C)
return model
if __name__ == "__main__":
here = Path(__file__).resolve().parent
model_acute = build_model((5.0, 6.0, 7.0))
model_acute.save(str(here / "x-00302.json"))
write_center_svg(
model_acute,
here / "x-00302.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)