X2201¶
X2-ISOCONJUGATE OF X295
X2201 (X2-ISOCONJUGATE OF X295) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2201 = X_2-ISOCONJUGATE OF X_295."""
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,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02201(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2201 = X_2-ISOCONJUGATE OF X_295 on reference triangle ABC."""
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center"])
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center"])
X_27 = eval_trilinear_point(model, A, B, C, '(sec(A))/(b + c)', ID="X_27", classes=["center"])
X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center"])
central_line(model, X_19, X_25, 19, 25)
central_line(model, X_27, X_86, 27, 86)
X_2201 = intersect_lines(model, X_19, X_25, X_27, X_86, ID="X_2201", classes=["selected", "target"])
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
X_497 = eval_trilinear_point(model, A, B, C, '1 - cos(B)*cos(C)', ID="X_497", classes=["center", "incident"])
central_line(model, X_48, X_497, 48, 497, incident=True)
return promote_point_to_top(model, X_2201)
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_2201 on the given reference triangle."""
model = create_model('X_2201 = X_2-ISOCONJUGATE OF X_295')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02201(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-02201.json"))
write_center_svg(
model_acute,
here / "x-02201.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)