X417¶
X3-CEVA CONJUGATE OF X185
X417 = isogonal conjugate of the polar conjugate of X6509
X417 (X3-CEVA CONJUGATE OF X185) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_417 = X_3-CEVA CONJUGATE OF X_185."""
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_barycentric_point,
eval_trilinear_point,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00417(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_417 = X_3-CEVA CONJUGATE OF X_185 on reference triangle ABC."""
X_417 = eval_trilinear_point(model, A, B, C, '((cos(A))*((sec(B))**(2) + (sec(C))**(2)))', ID="X_417", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
central_line(model, X_2, X_3, 2, 3)
X_1624 = point_from_barycentrics(model, A, B, C, 0.18909568, -0.24246678, 1.0533711, ID="X_1624", classes=["center", "incident"])
X_2883 = eval_barycentric_point(model, A, B, C, '(3*a**(4) - 2*a**(2)*(b**(2) + c**(2)) - (b**(2) - c**(2))**(2))*(a**(4)*(b**(2) + c**(2)) - 2*a**(2)*(b**(2) - c**(2))**(2) + (b**(2) - c**(2))**(2)*(b**(2) + c**(2)))', ID="X_2883", classes=["center", "incident"])
central_line(model, X_1624, X_2883, 1624, 2883, incident=True)
return promote_point_to_top(model, X_417)
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_417 on the given reference triangle."""
model = create_model('X_417 = X_3-CEVA CONJUGATE OF X_185')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00417(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-00417.json"))
write_center_svg(
model_acute,
here / "x-00417.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)