X2113¶
X2-ISOCONJUGATE OF X2112
X2113 (X2-ISOCONJUGATE OF X2112) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2113 = X_2-ISOCONJUGATE OF X_2112."""
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,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02113(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2113 = X_2-ISOCONJUGATE OF X_2112 on reference triangle ABC."""
X_2113 = eval_trilinear_point(model, A, B, C, '(1/(a**(4) - b*c*a**(2) - (b**(3) + c**(3))*a + 2*b**(2)*c**(2)))', ID="X_2113", classes=["selected", "target"])
X_672 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2) - a*(b + c))', ID="X_672", classes=["center", "incident"])
X_1282 = point_from_barycentrics(model, A, B, C, 0.61507937, -0.97619048, 1.3611111, ID="X_1282", classes=["center", "incident"])
central_line(model, X_672, X_1282, 672, 1282, incident=True)
X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
X_2112 = eval_trilinear_point(model, A, B, C, '(a*(a**(4) - b*c*a**(2) - (b**(3) + c**(3))*a + 2*b**(2)*c**(2)))', ID="X_2112", classes=["center", "incident"])
central_line(model, X_238, X_2112, 238, 2112, incident=True)
X_1931 = eval_trilinear_point(model, A, B, C, '(((b + c)**(2) - (a + b)*(a + c))/(b + c))', ID="X_1931", classes=["center", "incident"])
X_2110 = eval_trilinear_point(model, A, B, C, '(a*((b**(2) + b*c + c**(2))*a**(3) - (b + c)*(b**(2) + c**(2))*a**(2) - b*c*(b**(2) - b*c + c**(2))*a + b**(2)*c**(2)*(b + c)))', ID="X_2110", classes=["center", "incident"])
central_line(model, X_1931, X_2110, 1931, 2110, incident=True)
return promote_point_to_top(model, X_2113)
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_2113 on the given reference triangle."""
model = create_model('X_2113 = X_2-ISOCONJUGATE OF X_2112')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02113(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-02113.json"))
write_center_svg(
model_acute,
here / "x-02113.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)