X963¶
ISOGONAL CONJUGATE OF X962
X963 (ISOGONAL CONJUGATE OF X962) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_963 = ISOGONAL CONJUGATE OF X_962."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00963(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_963 = ISOGONAL CONJUGATE OF X_962 on reference triangle ABC."""
X_962 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) + 2*a**(3)*(b + c) - 4*a**(2)*b*c - (b + c)*(b - c)**(2)*(2*a + b + c))', ID="X_962", classes=["center"])
X_963 = isogonal_conjugate(model, A, B, C, X_962, ID="X_963", classes=["selected", "target"])
X_33 = eval_trilinear_point(model, A, B, C, '1 + sec(A)', ID="X_33", classes=["center", "incident"])
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
central_line(model, X_33, X_56, 33, 56, incident=True)
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_200 = eval_trilinear_point(model, A, B, C, '(cot(A/2))**(2)', ID="X_200", classes=["center", "incident"])
central_line(model, X_3, X_200, 3, 200, incident=True)
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
X_220 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)**(2)', ID="X_220", classes=["center", "incident"])
central_line(model, X_48, X_220, 48, 220, incident=True)
return promote_point_to_top(model, X_963)
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_963 on the given reference triangle."""
model = create_model('X_963 = ISOGONAL CONJUGATE OF X_962')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00963(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-00963.json"))
write_center_svg(
model_acute,
here / "x-00963.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)