X1702¶
INSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)
X1702 is the insimilicenter(Bevan circle, 2nd Lemoine circle).
X1702 (INSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1702 = INSIMILICENTER(BEVAN CIRCLE, 2nd 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,
incenter_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01702(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1702 = INSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE) on reference triangle ABC."""
X_1702 = eval_trilinear_point(model, A, B, C, '(2*sin(A) + cos(A) - cos(B) - cos(C) + 1)', ID="X_1702", classes=["selected", "target"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center", "incident"])
central_line(model, X_6, X_40, 6, 40, incident=True)
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_371 = eval_trilinear_point(model, A, B, C, 'cos(A - pi /4)', ID="X_371", classes=["center", "incident"])
central_line(model, X_1, X_371, 1, 371, incident=True)
X_165 = eval_trilinear_point(model, A, B, C, 'tan(B/2) + tan(C/2) - tan(A/2)', ID="X_165", classes=["center", "incident"])
X_372 = eval_trilinear_point(model, A, B, C, 'cos(A + pi /4)', ID="X_372", classes=["center", "incident"])
central_line(model, X_165, X_372, 165, 372, incident=True)
return promote_point_to_top(model, X_1702)
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_1702 on the given reference triangle."""
model = create_model('X_1702 = INSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01702(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-01702.json"))
write_center_svg(
model_acute,
here / "x-01702.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)