X3051¶
INTERSECTION X2X_6∩X32X_184
X3051 (INTERSECTION X2X_6∩X32X_184) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3051 = INTERSECTION X_2X_6∩X_32X_184."""
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,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03051(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3051 = INTERSECTION X_2X_6∩X_32X_184 on reference triangle ABC."""
X_308 = eval_trilinear_point(model, A, B, C, 'b**(3)*c**(3)/(b**(2) + c**(2))', ID="X_308", classes=["center"])
X_3051 = isogonal_conjugate(model, A, B, C, X_308, ID="X_3051", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_2, X_6, 2, 6, incident=True)
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
central_line(model, X_32, X_184, 32, 184, incident=True)
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
X_263 = eval_trilinear_point(model, A, B, C, 'a**(2)*sec(A - omega )', ID="X_263", classes=["center", "incident"])
central_line(model, X_25, X_263, 25, 263, incident=True)
return promote_point_to_top(model, X_3051)
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_3051 on the given reference triangle."""
model = create_model('X_3051 = INTERSECTION X_2X_6∩X_32X_184')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03051(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-03051.json"))
write_center_svg(
model_acute,
here / "x-03051.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)