X2794¶
ISOGONAL CONJUGATE OF X2710
X2794 (ISOGONAL CONJUGATE OF X2710) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2794 = ISOGONAL CONJUGATE OF X_2710."""
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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
isogonal_conjugate,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02794(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2794 = ISOGONAL CONJUGATE OF X_2710 on reference triangle ABC."""
X_2710 = point_from_barycentrics(model, A, B, C, 1.0405687, 0.20733336, -0.24790201, ID="X_2710", classes=["center"])
X_2794 = isogonal_conjugate(model, A, B, C, X_2710, ID="X_2794", classes=["selected", "target"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
central_line(model, X_4, X_32, 4, 32, incident=True)
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B + omega ) + c*sec(C + omega ))', ID="X_114", classes=["center", "incident"])
central_line(model, X_3, X_114, 3, 114, incident=True)
X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
central_line(model, X_20, X_99, 20, 99, incident=True)
return promote_point_to_top(model, X_2794)
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_2794 on the given reference triangle."""
model = create_model('X_2794 = ISOGONAL CONJUGATE OF X_2710')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02794(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-02794.json"))
write_center_svg(
model_acute,
here / "x-02794.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)