X1502¶
ISOGONAL CONJUGATE OF X1501
X1502 (ISOGONAL CONJUGATE OF X1501) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1502 = ISOGONAL CONJUGATE OF X_1501."""
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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
isogonal_conjugate,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01502(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1502 = ISOGONAL CONJUGATE OF X_1501 on reference triangle ABC."""
X_1501 = eval_trilinear_point(model, A, B, C, 'a**(5)', ID="X_1501", classes=["center"])
X_1502 = isogonal_conjugate(model, A, B, C, X_1501, ID="X_1502", classes=["selected", "target"])
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
central_line(model, X_76, X_141, 76, 141, incident=True)
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
X_160 = eval_trilinear_point(model, A, B, C, '(a*((b**(2) + c**(2))*sin(2*A) + (c**(2) - a**(2))*sin(2*B) + (b**(2) - a**(2))*sin(2*C)))', ID="X_160", classes=["center", "incident"])
central_line(model, X_99, X_160, 99, 160, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_308 = eval_trilinear_point(model, A, B, C, 'b**(3)*c**(3)/(b**(2) + c**(2))', ID="X_308", classes=["center", "incident"])
central_line(model, X_2, X_308, 2, 308, incident=True)
return promote_point_to_top(model, X_1502)
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_1502 on the given reference triangle."""
model = create_model('X_1502 = ISOGONAL CONJUGATE OF X_1501')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01502(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-01502.json"))
write_center_svg(
model_acute,
here / "x-01502.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)