X2328¶
X2-ISOCONJUGATE OF X1427
X2328 (X2-ISOCONJUGATE OF X1427) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2328 = X_2-ISOCONJUGATE OF X_1427."""
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,
mittenpunkt_of,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02328(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2328 = X_2-ISOCONJUGATE OF X_1427 on reference triangle ABC."""
X_2328 = eval_trilinear_point(model, A, B, C, '(1 + cos(A))/(cos(B) + cos(C))', ID="X_2328", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
central_line(model, X_1, X_21, 1, 21, incident=True)
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
central_line(model, X_10, X_29, 10, 29, incident=True)
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_33 = eval_trilinear_point(model, A, B, C, '1 + sec(A)', ID="X_33", classes=["center", "incident"])
central_line(model, X_9, X_33, 9, 33, incident=True)
return promote_point_to_top(model, X_2328)
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_2328 on the given reference triangle."""
model = create_model('X_2328 = X_2-ISOCONJUGATE OF X_1427')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02328(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-02328.json"))
write_center_svg(
model_acute,
here / "x-02328.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)