X2521¶
RADICAL CENTER OF {BROCARD, BEVAN,MOSES} CIRCLES
X2521 (RADICAL CENTER OF {BROCARD, BEVAN,MOSES} CIRCLES) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2521 = RADICAL CENTER OF {BROCARD, BEVAN,MOSES} 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_02521(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2521 = RADICAL CENTER OF {BROCARD, BEVAN,MOSES} CIRCLES on reference triangle ABC."""
X_2521 = eval_trilinear_point(model, A, B, C, '(a*(b - c)*(2*(a**(4) + b**(4) + c**(4)) + 3*b*c*(a**(2) + b**(2) + c**(2) + a*b + a*c)))', ID="X_2521", classes=["selected", "target"])
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_649 = eval_trilinear_point(model, A, B, C, 'a*(b - c)', ID="X_649", classes=["center", "incident"])
X_2523 = eval_trilinear_point(model, A, B, C, '((b - c)*(b**(2) + c**(2) - a**(2))*(a**(2) + a*(b + c) + (b + c)**(2)))', ID="X_2523", classes=["center", "incident"])
central_line(model, X_649, X_2523, 649, 2523, incident=True)
return promote_point_to_top(model, X_2521)
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_2521 on the given reference triangle."""
model = create_model('X_2521 = RADICAL CENTER OF {BROCARD, BEVAN,MOSES} CIRCLES')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02521(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-02521.json"))
write_center_svg(
model_acute,
here / "x-02521.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)