X2031¶
RADICAL TRACE OF MOSES AND BROCARD CIRCLES
X2031 (RADICAL TRACE OF MOSES AND BROCARD CIRCLES) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2031 = RADICAL TRACE OF MOSES AND BROCARD 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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02031(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2031 = RADICAL TRACE OF MOSES AND BROCARD CIRCLES on reference triangle ABC."""
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=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_3, X_6, 3, 6, incident=True)
X_230 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*(2*a**(2) - b**(2) - c**(2)) + (b**(2) - c**(2))**(2))', ID="X_230", classes=["center", "incident"])
X_625 = eval_trilinear_point(model, A, B, C, '(2*(b**(4) + c**(4) - b**(2)*c**(2)) - a**(2)*(b**(2) + c**(2)))/a', ID="X_625", classes=["center", "incident"])
central_line(model, X_230, X_625, 230, 625, incident=True)
return promote_point_to_top(model, X_2031)
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_2031 on the given reference triangle."""
model = create_model('X_2031 = RADICAL TRACE OF MOSES AND BROCARD CIRCLES')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02031(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-02031.json"))
write_center_svg(
model_acute,
here / "x-02031.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)