X2107¶
X2-ISOCONJUGATE OF X2106
X2107 (X2-ISOCONJUGATE OF X2106) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2107 = X_2-ISOCONJUGATE OF X_2106."""
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,
incenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02107(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2107 = X_2-ISOCONJUGATE OF X_2106 on reference triangle ABC."""
X_2107 = eval_trilinear_point(model, A, B, C, '(a/((a + b)*(a + c)*(b**(2)*c**(2) - a**(2)*b**(2) - a**(2)*c**(2) + a*b*c*(b + c - a))))', ID="X_2107", classes=["selected", "target"])
X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
X_741 = eval_trilinear_point(model, A, B, C, '(1/(a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))))', ID="X_741", classes=["center", "incident"])
central_line(model, X_238, X_741, 238, 741, incident=True)
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_1655 = eval_trilinear_point(model, A, B, C, '(b*c*(-1/a**(2) + 1/b**(2) + 1/c**(2) + 1/(b*c) + 1/(c*a) + 1/(a*b)))', ID="X_1655", classes=["center", "incident"])
central_line(model, X_1, X_1655, 1, 1655, incident=True)
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
X_1979 = eval_trilinear_point(model, A, B, C, '(a**(3)*(b - c)**(2) - a*b*c*(a - b)*(a - c))', ID="X_1979", classes=["center", "incident"])
central_line(model, X_31, X_1979, 31, 1979, incident=True)
return promote_point_to_top(model, X_2107)
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_2107 on the given reference triangle."""
model = create_model('X_2107 = X_2-ISOCONJUGATE OF X_2106')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02107(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-02107.json"))
write_center_svg(
model_acute,
here / "x-02107.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)