X2492¶
RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, MOSES CIRCLE}
X2492 (RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, MOSES CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2492 = RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, MOSES 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,
midpoint,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02492(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2492 = RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, MOSES CIRCLE} on reference triangle ABC."""
X_2485 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) - c**(2))*(b**(4) + c**(4) - a**(4)))', ID="X_2485", classes=["center"])
X_2489 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) - c**(2))/(b**(2) + c**(2) - a**(2)))', ID="X_2489", classes=["center"])
X_2492 = midpoint(model, X_2485, X_2489, ID="X_2492", classes=["selected", "target"], guide=False)
X_230 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*(2*a**(2) - b**(2) - c**(2)) + (b**(2) - c**(2))**(2))', ID="X_230", classes=["center", "incident"])
X_231 = eval_trilinear_point(model, A, B, C, '(cos(B))*(4*(sin(C))**(2) - 1)*(cos(A)*sin(B) - sin(A)*cos(B)) - (cos(C))*(4*(sin(B))**(2) - 1)*(cos(C)*sin(A) - sin(C)*cos(A))', ID="X_231", classes=["center", "incident"])
central_line(model, X_230, X_231, 230, 231, incident=True)
X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center", "incident"])
X_351 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) - c**(2))*(b**(2) + c**(2) - 2*a**(2)))', ID="X_351", classes=["center", "incident"])
central_line(model, X_111, X_351, 111, 351, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_526 = eval_trilinear_point(model, A, B, C, '(1 + 2*cos(2*A))*sin(B - C)', ID="X_526", classes=["center", "incident"])
central_line(model, X_6, X_526, 6, 526, incident=True)
return promote_point_to_top(model, X_2492)
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_2492 on the given reference triangle."""
model = create_model('X_2492 = RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, MOSES CIRCLE}')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02492(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-02492.json"))
write_center_svg(
model_acute,
here / "x-02492.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)