X2011¶
INSIMILICENTER(GALLATLY CIRCLE, BROCARD CIRCLE)
X2011 is the insimilicenter(gallatly circle, Brocard circle).
X2011 (INSIMILICENTER(GALLATLY CIRCLE, BROCARD CIRCLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2011 = INSIMILICENTER(GALLATLY CIRCLE, BROCARD 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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02011(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2011 = INSIMILICENTER(GALLATLY CIRCLE, BROCARD CIRCLE) on reference triangle ABC."""
X_2011 = eval_trilinear_point(model, A, B, C, '(cos(A - omega ) + e*sin(A + omega ))', ID="X_2011", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_3, X_6, 3, 6, incident=True)
X_1348 = eval_trilinear_point(model, A, B, C, 'e*cos(B - C) + cos(A - omega )', ID="X_1348", classes=["center", "incident"])
X_2010 = eval_trilinear_point(model, A, B, C, '(cos(B - C) - sin(A + omega ))', ID="X_2010", classes=["center", "incident"])
central_line(model, X_1348, X_2010, 1348, 2010, incident=True)
X_1349 = eval_trilinear_point(model, A, B, C, 'e*cos(B - C) - cos(A - omega )', ID="X_1349", classes=["center", "incident"])
X_2009 = eval_trilinear_point(model, A, B, C, '(cos(B - C) + sin(A + omega ))', ID="X_2009", classes=["center", "incident"])
central_line(model, X_1349, X_2009, 1349, 2009, incident=True)
return promote_point_to_top(model, X_2011)
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_2011 on the given reference triangle."""
model = create_model('X_2011 = INSIMILICENTER(GALLATLY CIRCLE, BROCARD CIRCLE)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02011(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-02011.json"))
write_center_svg(
model_acute,
here / "x-02011.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)