X1413¶
X84-BETH CONJUGATE OF X84
X1413 (X84-BETH CONJUGATE OF X84) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1413 = X_84-BETH CONJUGATE OF X_84."""
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,
crosspoint,
eval_trilinear_point,
incenter_of,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01413(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1413 = X_84-BETH CONJUGATE OF X_84 on reference triangle ABC."""
X_84 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A) - 1)', ID="X_84", classes=["center"])
X_1256 = point_from_barycentrics(model, A, B, C, 0.0024481835, 0.0070167771, 0.99053504, ID="X_1256", classes=["center"])
X_1413 = crosspoint(model, A, B, C, X_84, X_1256, ID="X_1413", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
central_line(model, X_1, X_84, 1, 84, incident=True)
X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
X_285 = eval_trilinear_point(model, A, B, C, '(1/((cos(B) + cos(C))*(-1 - cos(A) + cos(B) + cos(C))))', ID="X_285", classes=["center", "incident"])
central_line(model, X_86, X_285, 86, 285, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_603 = eval_trilinear_point(model, A, B, C, '(cos(A))**(2) - cos(A)', ID="X_603", classes=["center", "incident"])
central_line(model, X_6, X_603, 6, 603, incident=True)
return promote_point_to_top(model, X_1413)
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_1413 on the given reference triangle."""
model = create_model('X_1413 = X_84-BETH CONJUGATE OF X_84')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01413(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-01413.json"))
write_center_svg(
model_acute,
here / "x-01413.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)