X2315¶
X2-ISOCONJUGATE OF X1300
X2315 (X2-ISOCONJUGATE OF X1300) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2315 = X_2-ISOCONJUGATE OF X_1300."""
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,
ceva_conjugate,
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_02315(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2315 = X_2-ISOCONJUGATE OF X_1300 on reference triangle ABC."""
X_2159 = point_from_barycentrics(model, A, B, C, 0.47826441, 1.3314881, -0.80975252, ID="X_2159", classes=["center"])
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center"])
X_2315 = ceva_conjugate(model, A, B, C, X_2159, X_48, ID="X_2315", classes=["selected", "target"])
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
X_91 = eval_trilinear_point(model, A, B, C, 'sec(2*A)', ID="X_91", classes=["center", "incident"])
central_line(model, X_19, X_91, 19, 91, incident=True)
X_255 = eval_trilinear_point(model, A, B, C, '(cos(A))**(2)', ID="X_255", classes=["center", "incident"])
central_line(model, X_48, X_255, 48, 255, incident=True)
X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
central_line(model, X_44, X_513, 44, 513, incident=True)
return promote_point_to_top(model, X_2315)
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_2315 on the given reference triangle."""
model = create_model('X_2315 = X_2-ISOCONJUGATE OF X_1300')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02315(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-02315.json"))
write_center_svg(
model_acute,
here / "x-02315.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)