X2496¶
RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}
X2496 (RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02496(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE} on reference triangle ABC."""
X_2496 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(7*a**(3) - 4*a**(2)*(b + c) - 2*(b + c)*(b - c)**(2) + a*(3*b**(2) - 2*b*c + 3*c**(2))))', ID="X_2496", classes=["selected", "target"])
X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
X_676 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(b**(3) + c**(3) - 2*a**(3) + (b + c)*(a**(2) - b*c)))', ID="X_676", classes=["center", "incident"])
central_line(model, X_513, X_676, 513, 676, incident=True)
X_522 = eval_trilinear_point(model, A, B, C, '(cos(B) - cos(C))*(csc(A))', ID="X_522", classes=["center", "incident"])
X_2490 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(4*a**(2) - 3*a*b - 3*a*c + (b + c)**(2)))', ID="X_2490", classes=["center", "incident"])
central_line(model, X_522, X_2490, 522, 2490, incident=True)
X_2487 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*((b - c)**(2) + a*b + a*c - 4*a**(2)))', ID="X_2487", classes=["center", "incident"])
X_2505 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(2*a**(3) - 5*(b + c)*a**(2) - (b + c)**(3) + 8*a*(b**(2) + c**(2))))', ID="X_2505", classes=["center", "incident"])
central_line(model, X_2487, X_2505, 2487, 2505, incident=True)
return promote_point_to_top(model, X_2496)
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_2496 on the given reference triangle."""
model = create_model('X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02496(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-02496.json"))
write_center_svg(
model_acute,
here / "x-02496.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)