X3348¶
ISOGONAL CONJUGATE OF X3183
X3348 (ISOGONAL CONJUGATE OF X3183) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3348 = ISOGONAL CONJUGATE OF X_3183."""
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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
point_from_barycentrics,
promote_point_to_top,
reflection_in_point,
)
from geometor.etc.render import write_center_svg
def construct_x_03348(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3348 = ISOGONAL CONJUGATE OF X_3183 on reference triangle ABC."""
X_2130 = point_from_barycentrics(model, A, B, C, 0.19373197, 0.27423005, 0.53203798, ID="X_2130", classes=["center"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
X_3348 = reflection_in_point(model, X_2130, X_3, ID="X_3348", classes=["selected", "target"], guide=False)
central_line(model, X_3, X_2130, 3, 2130, incident=True)
X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
X_3183 = point_from_barycentrics(model, A, B, C, -0.24902136, -0.46731562, 1.716337, ID="X_3183", classes=["center", "incident"])
central_line(model, X_20, X_3183, 20, 3183, incident=True)
X_1490 = eval_trilinear_point(model, A, B, C, '1 + sec(A) - sec(B) - sec(C)', ID="X_1490", classes=["center", "incident"])
X_3182 = point_from_barycentrics(model, A, B, C, -3.2427213, -5.3672014, 9.6099228, ID="X_3182", classes=["center", "incident"])
central_line(model, X_1490, X_3182, 1490, 3182, incident=True)
return promote_point_to_top(model, X_3348)
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_3348 on the given reference triangle."""
model = create_model('X_3348 = ISOGONAL CONJUGATE OF X_3183')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03348(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-03348.json"))
write_center_svg(
model_acute,
here / "x-03348.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)