X2306¶
X2-ISOCONJUGATE OF X1250
X2306 (X2-ISOCONJUGATE OF X1250) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2306 = X_2-ISOCONJUGATE OF X_1250."""
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,
ceva_conjugate,
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_02306(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2306 = X_2-ISOCONJUGATE OF X_1250 on reference triangle ABC."""
X_1081 = eval_trilinear_point(model, A, B, C, 'sec(A/2)*csc(A/2 - pi /3)', ID="X_1081", classes=["center"])
X_1251 = eval_trilinear_point(model, A, B, C, '(sin(A)*csc(A/2)*sec(A/2 + pi /6))', ID="X_1251", classes=["center"])
X_2306 = ceva_conjugate(model, A, B, C, X_1081, X_1251, ID="X_2306", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_15 = eval_trilinear_point(model, A, B, C, 'sin(A + pi /3)', ID="X_15", classes=["center", "incident"])
central_line(model, X_1, X_15, 1, 15, incident=True)
X_13 = eval_trilinear_point(model, A, B, C, 'csc(A + pi /3)', ID="X_13", classes=["center", "incident"])
X_79 = eval_trilinear_point(model, A, B, C, '1/(1 + 2*cos(A))', ID="X_79", classes=["center", "incident"])
central_line(model, X_13, X_79, 13, 79, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
central_line(model, X_2, X_1081, 2, 1081, incident=True)
return promote_point_to_top(model, X_2306)
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_2306 on the given reference triangle."""
model = create_model('X_2306 = X_2-ISOCONJUGATE OF X_1250')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02306(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-02306.json"))
write_center_svg(
model_acute,
here / "x-02306.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)