X2518¶
RADICAL CENTER OF {BROCARD, MOSES, (X4,2R)} CIRCLES
X2518 (RADICAL CENTER OF {BROCARD, MOSES, (X4,2R)} CIRCLES) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2518 = RADICAL CENTER OF {BROCARD, MOSES, (X_4,2R)} CIRCLES."""
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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02518(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2518 = RADICAL CENTER OF {BROCARD, MOSES, (X_4,2R)} CIRCLES on reference triangle ABC."""
X_2518 = eval_trilinear_point(model, A, B, C, '(a*(b**(4) - c**(4))*(2*a**(4) + 2*b**(4) + 2*c**(4) - 3*b**(2)*c**(2)))', ID="X_2518", classes=["selected", "target"])
X_211 = eval_trilinear_point(model, A, B, C, 'sin(A + omega )*(cos(B)*sin(B + omega ) + cos(C)*sin(C + omega ) - cos(A)*sin(A + omega ))', ID="X_211", classes=["center", "incident"])
X_688 = eval_trilinear_point(model, A, B, C, '(a**(3)*(b**(4) - c**(4)))', ID="X_688", classes=["center", "incident"])
central_line(model, X_211, X_688, 211, 688, incident=True)
X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
X_2031 = eval_trilinear_point(model, A, B, C, '(2*sin(A - 3*omega ) + (sin(omega) )*(5*cos(A) + cos(A + 2*omega )))', ID="X_2031", classes=["center", "incident"])
central_line(model, X_512, X_2031, 512, 2031, incident=True)
X_826 = eval_trilinear_point(model, A, B, C, 'a **(-1)*(b**(4) - c**(4)) + a**(3)*(b**(0) - c**(0))', ID="X_826", classes=["center", "incident"])
X_2474 = eval_trilinear_point(model, A, B, C, '(a*(b**(4) - c**(4))*(a**(4) + b**(4) + c**(4) + 2*a**(2)*b**(2) + 2*a**(2)*c**(2) - 2*b**(2)*c**(2)))', ID="X_2474", classes=["center", "incident"])
central_line(model, X_826, X_2474, 826, 2474, incident=True)
return promote_point_to_top(model, X_2518)
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_2518 on the given reference triangle."""
model = create_model('X_2518 = RADICAL CENTER OF {BROCARD, MOSES, (X_4,2R)} CIRCLES')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02518(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-02518.json"))
write_center_svg(
model_acute,
here / "x-02518.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)