X738¶
ISOGONAL CONJUGATE OF X728
X738 (ISOGONAL CONJUGATE OF X728) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_738 = ISOGONAL CONJUGATE OF X_728."""
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,
isogonal_conjugate,
mittenpunkt_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00738(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_738 = ISOGONAL CONJUGATE OF X_728 on reference triangle ABC."""
X_728 = eval_trilinear_point(model, A, B, C, '((b + c - a)**(3))', ID="X_728", classes=["center"])
X_738 = isogonal_conjugate(model, A, B, C, X_728, ID="X_738", classes=["selected", "target"])
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
X_269 = eval_trilinear_point(model, A, B, C, '(tan(A/2))**(2)', ID="X_269", classes=["center", "incident"])
central_line(model, X_56, X_269, 56, 269, incident=True)
X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
X_279 = eval_trilinear_point(model, A, B, C, 'csc(A)*(tan(A/2))**(2)', ID="X_279", classes=["center", "incident"])
central_line(model, X_57, X_279, 57, 279, incident=True)
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_348 = eval_trilinear_point(model, A, B, C, 'cot(A)*(sec(A/2))**(2)', ID="X_348", classes=["center", "incident"])
central_line(model, X_9, X_348, 9, 348, incident=True)
return promote_point_to_top(model, X_738)
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_738 on the given reference triangle."""
model = create_model('X_738 = ISOGONAL CONJUGATE OF X_728')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00738(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-00738.json"))
write_center_svg(
model_acute,
here / "x-00738.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)