X2193¶
X2-ISOCONJUGATE OF X225
X2193 (X2-ISOCONJUGATE OF X225) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2193 = X_2-ISOCONJUGATE OF X_225."""
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,
cevapoint,
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_02193(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2193 = X_2-ISOCONJUGATE OF X_225 on reference triangle ABC."""
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center"])
X_577 = eval_trilinear_point(model, A, B, C, 'sin(A)*(cos(A))**(2)', ID="X_577", classes=["center"])
X_2193 = cevapoint(model, A, B, C, X_48, X_577, ID="X_2193", 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_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
X_270 = eval_trilinear_point(model, A, B, C, '(sec(A))/(1 + cos(B - C))', ID="X_270", classes=["center", "incident"])
central_line(model, X_21, X_270, 21, 270, incident=True)
X_255 = eval_trilinear_point(model, A, B, C, '(cos(A))**(2)', ID="X_255", classes=["center", "incident"])
central_line(model, X_48, X_255, 48, 255, incident=True)
return promote_point_to_top(model, X_2193)
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_2193 on the given reference triangle."""
model = create_model('X_2193 = X_2-ISOCONJUGATE OF X_225')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02193(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-02193.json"))
write_center_svg(
model_acute,
here / "x-02193.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)