X3424¶
X2-VERTEX CONJUGATE OF X3
X3424 (X2-VERTEX CONJUGATE OF X3) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3424 = X_2-VERTEX CONJUGATE OF X_3."""
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,
isogonal_conjugate,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03424(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3424 = X_2-VERTEX CONJUGATE OF X_3 on reference triangle ABC."""
X_1350 = eval_trilinear_point(model, A, B, C, 'a - 4*R*cot(omega)*cos(A)', ID="X_1350", classes=["center"])
X_3424 = isogonal_conjugate(model, A, B, C, X_1350, ID="X_3424", classes=["selected", "target"])
X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", 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_20, X_76, 20, 76, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_154 = eval_trilinear_point(model, A, B, C, '(cos(A) - cos(B)*cos(C))*a**(2)', ID="X_154", classes=["center", "incident"])
central_line(model, X_2, X_154, 2, 154, incident=True)
X_253 = eval_trilinear_point(model, A, B, C, '((csc(A))/(tan(B) + tan(C) - tan(A)))', ID="X_253", classes=["center", "incident"])
X_1297 = eval_trilinear_point(model, A, B, C, '(a/(b**(6) + c**(6) - 2*a**(6) + a**(4)*b**(2) + a**(4)*c**(2) - b**(4)*c**(2) - b**(2)*c**(4)))', ID="X_1297", classes=["center", "incident"])
central_line(model, X_253, X_1297, 253, 1297, incident=True)
return promote_point_to_top(model, X_3424)
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_3424 on the given reference triangle."""
model = create_model('X_3424 = X_2-VERTEX CONJUGATE OF X_3')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03424(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-03424.json"))
write_center_svg(
model_acute,
here / "x-03424.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)