X2220¶
X2-ISOCONJUGATE OF X596
X2220 (X2-ISOCONJUGATE OF X596) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2220 = X_2-ISOCONJUGATE OF X_596."""
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,
crosspoint,
eval_trilinear_point,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02220(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2220 = X_2-ISOCONJUGATE OF X_596 on reference triangle ABC."""
X_163 = eval_trilinear_point(model, A, B, C, '(sin(2*A))/(sin(2*B) - sin(2*C))', ID="X_163", classes=["center"])
X_1252 = point_from_barycentrics(model, A, B, C, 0.30120482, 0.10843373, 0.59036145, ID="X_1252", classes=["center"])
X_2220 = crosspoint(model, A, B, C, X_163, X_1252, ID="X_2220", 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_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
X_82 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2))', ID="X_82", classes=["center", "incident"])
central_line(model, X_37, X_82, 37, 82, incident=True)
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
X_872 = eval_trilinear_point(model, A, B, C, '(a*(b + c))**(2)', ID="X_872", classes=["center", "incident"])
central_line(model, X_31, X_872, 31, 872, incident=True)
return promote_point_to_top(model, X_2220)
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_2220 on the given reference triangle."""
model = create_model('X_2220 = X_2-ISOCONJUGATE OF X_596')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02220(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-02220.json"))
write_center_svg(
model_acute,
here / "x-02220.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)