X2345¶
X2-ISOCONJUGATE OF X1472
X2345 (X2-ISOCONJUGATE OF X1472) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2345 = X_2-ISOCONJUGATE OF X_1472."""
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,
mittenpunkt_of,
nagel_point_of,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02345(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2345 = X_2-ISOCONJUGATE OF X_1472 on reference triangle ABC."""
X_2221 = point_from_barycentrics(model, A, B, C, 0.20882469, 0.32409591, 0.4670794, ID="X_2221", classes=["center"])
X_2345 = isogonal_conjugate(model, A, B, C, X_2221, ID="X_2345", classes=["selected", "target"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
central_line(model, X_4, X_9, 4, 9, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
central_line(model, X_6, X_8, 6, 8, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
central_line(model, X_2, X_37, 2, 37, incident=True)
return promote_point_to_top(model, X_2345)
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_2345 on the given reference triangle."""
model = create_model('X_2345 = X_2-ISOCONJUGATE OF X_1472')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02345(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-02345.json"))
write_center_svg(
model_acute,
here / "x-02345.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)