X1165¶
POINT ALTAIS
X1165 (POINT ALTAIS) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1165 = POINT ALTAIS."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01165(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1165 = POINT ALTAIS on reference triangle ABC."""
X_1165 = eval_trilinear_point(model, A, B, C, '(( area - a**(2))*(2*area + b**(2) + c**(2))/(a*(b**(2) + c**(2) - a**(2))))', ID="X_1165", classes=["selected", "target"])
X_468 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cot(B) + cot(C) - 2*cot(A))', ID="X_468", classes=["center", "incident"])
X_1164 = eval_trilinear_point(model, A, B, C, '(( area + a**(2))*(2*area - b**(2) - c**(2))/(a*(b**(2) + c**(2) - a**(2))))', ID="X_1164", classes=["center", "incident"])
central_line(model, X_468, X_1164, 468, 1164, incident=True)
return promote_point_to_top(model, X_1165)
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_1165 on the given reference triangle."""
model = create_model('X_1165 = POINT ALTAIS')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01165(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-01165.json"))
write_center_svg(
model_acute,
here / "x-01165.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)