X949¶
ISOGONAL CONJUGATE OF X948
X949 (ISOGONAL CONJUGATE OF X948) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_949 = ISOGONAL CONJUGATE OF X_948."""
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,
centroid_of,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
isogonal_conjugate,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00949(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_949 = ISOGONAL CONJUGATE OF X_948 on reference triangle ABC."""
X_948 = point_from_barycentrics(model, A, B, C, 0.23303835, 0.29498525, 0.4719764, ID="X_948", classes=["center"])
X_949 = isogonal_conjugate(model, A, B, C, X_948, ID="X_949", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
central_line(model, X_3, X_41, 3, 41, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center", "incident"])
central_line(model, X_6, X_77, 6, 77, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_294 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(b**(2) + c**(2) - a*b - a*c))', ID="X_294", classes=["center", "incident"])
central_line(model, X_2, X_294, 2, 294, incident=True)
return promote_point_to_top(model, X_949)
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_949 on the given reference triangle."""
model = create_model('X_949 = ISOGONAL CONJUGATE OF X_948')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00949(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-00949.json"))
write_center_svg(
model_acute,
here / "x-00949.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)