X3118¶
ISOGONAL CONJUGATE OF GtX(32)
X3118 is the isogonal conjugate of gtx(32).
X3118 (ISOGONAL CONJUGATE OF GtX(32)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3118 = ISOGONAL CONJUGATE OF GtX(32)."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03118(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3118 = ISOGONAL CONJUGATE OF GtX(32) on reference triangle ABC."""
X_3115 = eval_trilinear_point(model, A, B, C, '((b**(2) - c**(2))/(a**(3)*(b**(8) - c**(8))))', ID="X_3115", classes=["center"])
X_3118 = isogonal_conjugate(model, A, B, C, X_3115, ID="X_3118", classes=["selected", "target"])
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
central_line(model, X_32, X_184, 32, 184, incident=True)
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
central_line(model, X_76, X_141, 76, 141, incident=True)
X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center", "incident"])
X_694 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) - b**(2)*c**(2))', ID="X_694", classes=["center", "incident"])
central_line(model, X_83, X_694, 83, 694, incident=True)
return promote_point_to_top(model, X_3118)
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_3118 on the given reference triangle."""
model = create_model('X_3118 = ISOGONAL CONJUGATE OF GtX(32)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03118(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-03118.json"))
write_center_svg(
model_acute,
here / "x-03118.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)