X1465¶
X908-BETH CONJUGATE OF X908
X1465 (X908-BETH CONJUGATE OF X908) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1465 = X_908-BETH CONJUGATE OF X_908."""
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,
centroid_of,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_barycentric_point,
eval_trilinear_point,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01465(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1465 = X_908-BETH CONJUGATE OF X_908 on reference triangle ABC."""
X_1465 = eval_barycentric_point(model, A, B, C, '(1 - cos(A))*((a - c)*cos(B) + (a - b)*cos(C))', ID="X_1465", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_34 = eval_trilinear_point(model, A, B, C, '1 - sec(A)', ID="X_34", classes=["center", "incident"])
central_line(model, X_3, X_34, 3, 34, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
central_line(model, X_6, X_57, 6, 57, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_92 = eval_trilinear_point(model, A, B, C, 'csc(2*A)', ID="X_92", classes=["center", "incident"])
central_line(model, X_2, X_92, 2, 92, incident=True)
return promote_point_to_top(model, X_1465)
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_1465 on the given reference triangle."""
model = create_model('X_1465 = X_908-BETH CONJUGATE OF X_908')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01465(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-01465.json"))
write_center_svg(
model_acute,
here / "x-01465.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)