X3533¶
EULER LINE INTERCEPT OF LINE X371X_3317
X3533 (EULER LINE INTERCEPT OF LINE X371X_3317) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3533 = EULER LINE INTERCEPT OF LINE X_371X_3317."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03533(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3533 = EULER LINE INTERCEPT OF LINE X_371X_3317 on reference triangle ABC."""
X_3533 = eval_trilinear_point(model, A, B, C, '6*cos(A) + 5*cos(B)*cos(C)', ID="X_3533", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
central_line(model, X_2, X_3, 2, 3)
X_371 = eval_trilinear_point(model, A, B, C, 'cos(A - pi /4)', ID="X_371", classes=["center", "incident"])
X_3317 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*sin(A))', ID="X_3317", classes=["center", "incident"])
central_line(model, X_371, X_3317, 371, 3317, incident=True)
X_372 = eval_trilinear_point(model, A, B, C, 'cos(A + pi /4)', ID="X_372", classes=["center", "incident"])
X_3316 = eval_trilinear_point(model, A, B, C, '1/(cos(A) + 2*sin(A))', ID="X_3316", classes=["center", "incident"])
central_line(model, X_372, X_3316, 372, 3316, incident=True)
return promote_point_to_top(model, X_3533)
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_3533 on the given reference triangle."""
model = create_model('X_3533 = EULER LINE INTERCEPT OF LINE X_371X_3317')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03533(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-03533.json"))
write_center_svg(
model_acute,
here / "x-03533.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)