X729¶
EVEN (- 2, 0) CIRCUMCIRCLE POINT
X729 (EVEN (- 2, 0) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_729 = EVEN (- 2, 0) CIRCUMCIRCLE 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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
isogonal_conjugate,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00729(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT on reference triangle ABC."""
X_538 = point_from_barycentrics(model, A, B, C, -0.75777793, 0.11558409, 0.64219384, ID="X_538", classes=["center"])
X_729 = isogonal_conjugate(model, A, B, C, X_538, ID="X_729", classes=["selected", "target"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", 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_6, X_99, 6, 99, incident=True)
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
central_line(model, X_32, X_110, 32, 110, incident=True)
X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
X_213 = eval_trilinear_point(model, A, B, C, '(b + c)*a**(2)', ID="X_213", classes=["center", "incident"])
central_line(model, X_100, X_213, 100, 213, incident=True)
return promote_point_to_top(model, X_729)
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_729 on the given reference triangle."""
model = create_model('X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00729(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-00729.json"))
write_center_svg(
model_acute,
here / "x-00729.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)