X884¶
ISOGONAL CONJUGATE OF X883
X884 (ISOGONAL CONJUGATE OF X883) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_884 = ISOGONAL CONJUGATE OF X_883."""
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,
isogonal_conjugate,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00884(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_884 = ISOGONAL CONJUGATE OF X_883 on reference triangle ABC."""
X_883 = point_from_barycentrics(model, A, B, C, -1.5, 0.1, 2.4, ID="X_883", classes=["center"])
X_884 = isogonal_conjugate(model, A, B, C, X_883, ID="X_884", classes=["selected", "target"])
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
X_649 = eval_trilinear_point(model, A, B, C, 'a*(b - c)', ID="X_649", classes=["center", "incident"])
central_line(model, X_31, X_649, 31, 649, incident=True)
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
X_663 = eval_trilinear_point(model, A, B, C, 'a*(b - c)*(b + c - a)', ID="X_663", classes=["center", "incident"])
central_line(model, X_41, X_663, 41, 663, incident=True)
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
X_650 = eval_trilinear_point(model, A, B, C, 'cos(B) - cos(C)', ID="X_650", classes=["center", "incident"])
central_line(model, X_55, X_650, 55, 650, incident=True)
return promote_point_to_top(model, X_884)
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_884 on the given reference triangle."""
model = create_model('X_884 = ISOGONAL CONJUGATE OF X_883')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00884(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-00884.json"))
write_center_svg(
model_acute,
here / "x-00884.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)