X2548¶
INSIMILICENTER(MOSES CIRCLE, (X4,2R))
X2548 (INSIMILICENTER(MOSES CIRCLE, (X4,2R))) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R))."""
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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
nine_point_center_of,
orthocenter_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02548(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R)) on reference triangle ABC."""
X_2548 = eval_trilinear_point(model, A, B, C, '(2*cos(B)*cos(C) + sin(A + omega )*csc(omega) )', ID="X_2548", classes=["selected", "target"])
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_5, X_6, 5, 6, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
central_line(model, X_2, X_32, 2, 32, incident=True)
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
central_line(model, X_4, X_39, 4, 39, incident=True)
return promote_point_to_top(model, X_2548)
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_2548 on the given reference triangle."""
model = create_model('X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R))')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02548(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-02548.json"))
write_center_svg(
model_acute,
here / "x-02548.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)