X3016¶
(LEMOINE AXIS)∩(FERMAT AXIS)
X3016 ((LEMOINE AXIS)∩(FERMAT AXIS)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3016 = (LEMOINE AXIS)∩(FERMAT AXIS)."""
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,
reflection_in_point,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03016(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3016 = (LEMOINE AXIS)∩(FERMAT AXIS) on reference triangle ABC."""
X_2088 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) - c**(2))**(2)*((b**(2) + c**(2) - a**(2))**(2) - b**(2)*c**(2)))', ID="X_2088", classes=["center"])
X_2493 = eval_trilinear_point(model, A, B, C, 'a*(a**(6)*(b**(2) + c**(2)) - a**(4)*(b**(2) + c**(2))**(2) - a**(2)*(b**(6) + c**(6) - 2*b**(4)*c**(2) - 2*b**(2)*c**(4)) + (b**(4) + c**(4) - b**(2)*c**(2))*(b**(2) - c**(2))**(2))', ID="X_2493", classes=["center"])
X_3016 = reflection_in_point(model, X_2088, X_2493, ID="X_3016", classes=["selected", "target"], guide=False)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_13 = eval_trilinear_point(model, A, B, C, 'csc(A + pi /3)', ID="X_13", classes=["center", "incident"])
central_line(model, X_6, X_13, 6, 13, incident=True)
X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center", "incident"])
X_237 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A + omega )', ID="X_237", classes=["center", "incident"])
central_line(model, X_187, X_237, 187, 237, incident=True)
X_316 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(4) + c**(4) - a**(4) - b**(2)*c**(2)))', ID="X_316", classes=["center", "incident"])
X_323 = eval_trilinear_point(model, A, B, C, 'sin(3*A)*(csc(A))**(2)', ID="X_323", classes=["center", "incident"])
central_line(model, X_316, X_323, 316, 323, incident=True)
return promote_point_to_top(model, X_3016)
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_3016 on the given reference triangle."""
model = create_model('X_3016 = (LEMOINE AXIS)∩(FERMAT AXIS)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03016(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-03016.json"))
write_center_svg(
model_acute,
here / "x-03016.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)