X2494¶
RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE CIRCLE}
X2494 (RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2494 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE 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_02494(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2494 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE CIRCLE} on reference triangle ABC."""
X_2494 = eval_trilinear_point(model, A, B, C, '(a*b**(2)*(a**(2) + b**(2))*(a + c - b)**(2) - a*c**(2)*(a**(2) + c**(2))*(a + b - c)**(2))', ID="X_2494", 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_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
X_1691 = eval_trilinear_point(model, A, B, C, 'sin(A - 2*omega )', ID="X_1691", classes=["center", "incident"])
central_line(model, X_512, X_1691, 512, 1691, incident=True)
return promote_point_to_top(model, X_2494)
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_2494 on the given reference triangle."""
model = create_model('X_2494 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE CIRCLE}')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02494(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-02494.json"))
write_center_svg(
model_acute,
here / "x-02494.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)