X97¶
ISOGONAL CONJUGATE OF X53
X97 (ISOGONAL CONJUGATE OF X53) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_97 = ISOGONAL CONJUGATE OF X_53."""
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,
circumcenter_of,
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_00097(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_97 = ISOGONAL CONJUGATE OF X_53 on reference triangle ABC."""
X_53 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(B - C)', ID="X_53", classes=["center"])
X_97 = isogonal_conjugate(model, A, B, C, X_53, ID="X_97", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center", "incident"])
central_line(model, X_3, X_54, 3, 54, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_95 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*sec(B - C)', ID="X_95", classes=["center", "incident"])
central_line(model, X_2, X_95, 2, 95, incident=True)
X_216 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*cos(B - C)', ID="X_216", classes=["center", "incident"])
X_288 = eval_trilinear_point(model, A, B, C, '((sec(B - C))/(b*cos(C - A) + c*cos(B - A)))', ID="X_288", classes=["center", "incident"])
central_line(model, X_216, X_288, 216, 288, incident=True)
return promote_point_to_top(model, X_97)
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_97 on the given reference triangle."""
model = create_model('X_97 = ISOGONAL CONJUGATE OF X_53')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00097(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-00097.json"))
write_center_svg(
model_acute,
here / "x-00097.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)