X2791¶
ISOGONAL CONJUGATE OF X2707
X2791 (ISOGONAL CONJUGATE OF X2707) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2791 = ISOGONAL CONJUGATE OF X_2707."""
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,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02791(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2791 = ISOGONAL CONJUGATE OF X_2707 on reference triangle ABC."""
X_2707 = point_from_barycentrics(model, A, B, C, 1.0414086, 0.22924055, -0.27064911, ID="X_2707", classes=["center"])
X_2791 = isogonal_conjugate(model, A, B, C, X_2707, ID="X_2791", classes=["selected", "target"])
X_98 = eval_trilinear_point(model, A, B, C, 'sec(A + omega )', ID="X_98", classes=["center", "incident"])
X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
central_line(model, X_98, X_108, 98, 108, incident=True)
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"])
X_123 = eval_trilinear_point(model, A, B, C, '(csc(A))*(sec(B) - sec(C))*((sec(A))*((sin(B))**(2) - (sin(C))**(2)) + sin(C)*tan(C) - sin(B)*tan(B))', ID="X_123", classes=["center", "incident"])
central_line(model, X_114, X_123, 114, 123, incident=True)
X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
X_511 = eval_trilinear_point(model, A, B, C, 'cos(A + omega )', ID="X_511", classes=["center", "incident"])
central_line(model, X_30, X_511, 30, 511, incident=True)
return promote_point_to_top(model, X_2791)
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_2791 on the given reference triangle."""
model = create_model('X_2791 = ISOGONAL CONJUGATE OF X_2707')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02791(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-02791.json"))
write_center_svg(
model_acute,
here / "x-02791.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)