X2271¶
X2-ISOCONJUGATE OF X969
X2271 (X2-ISOCONJUGATE OF X969) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2271 = X_2-ISOCONJUGATE OF X_969."""
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_02271(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2271 = X_2-ISOCONJUGATE OF X_969 on reference triangle ABC."""
X_2271 = eval_trilinear_point(model, A, B, C, 'cos(A) + sin(A)*(csc(A) + csc(B) + csc(C))', ID="X_2271", 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_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
central_line(model, X_25, X_41, 25, 41, incident=True)
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", 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_55, X_213, 55, 213, incident=True)
return promote_point_to_top(model, X_2271)
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_2271 on the given reference triangle."""
model = create_model('X_2271 = X_2-ISOCONJUGATE OF X_969')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02271(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-02271.json"))
write_center_svg(
model_acute,
here / "x-02271.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)