X964¶
INTERCEPT OF EULER LINE AND LINE X6X_8
X964 (INTERCEPT OF EULER LINE AND LINE X6X_8) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_964 = INTERCEPT OF EULER LINE AND LINE X_6X_8."""
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,
nagel_point_of,
promote_point_to_top,
spieker_center_of,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00964(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_964 = INTERCEPT OF EULER LINE AND LINE X_6X_8 on reference triangle ABC."""
X_964 = eval_trilinear_point(model, A, B, C, '(b*c*(a**(4) + (b + c)*(a**(3) + a*b**(2) + a*c**(2) + a*b*c + (b + c)*(a**(2) + b*c))))', ID="X_964", 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_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_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
central_line(model, X_10, X_31, 10, 31, incident=True)
return promote_point_to_top(model, X_964)
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_964 on the given reference triangle."""
model = create_model('X_964 = INTERCEPT OF EULER LINE AND LINE X_6X_8')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00964(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-00964.json"))
write_center_svg(
model_acute,
here / "x-00964.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)