X2209¶
X2-ISOCONJUGATE OF X330
X2209 (X2-ISOCONJUGATE OF X330) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2209 = X_2-ISOCONJUGATE OF X_330."""
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,
nagel_point_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02209(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2209 = X_2-ISOCONJUGATE OF X_330 on reference triangle ABC."""
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center"])
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center"])
X_2209 = ceva_conjugate(model, A, B, C, X_32, X_31, ID="X_2209", classes=["selected", "target"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_6, X_31, 6, 31, incident=True)
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
central_line(model, X_8, X_238, 8, 238, incident=True)
X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
X_750 = eval_trilinear_point(model, A, B, C, 'a**(2) + 2*b*c', ID="X_750", classes=["center", "incident"])
central_line(model, X_86, X_750, 86, 750, incident=True)
return promote_point_to_top(model, X_2209)
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_2209 on the given reference triangle."""
model = create_model('X_2209 = X_2-ISOCONJUGATE OF X_330')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02209(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-02209.json"))
write_center_svg(
model_acute,
here / "x-02209.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)