X1008¶
INTERCEPT OF EULER LINE AND LINE X1X_76
X1008 = anticomplement of X37148
X1008 (INTERCEPT OF EULER LINE AND LINE X1X_76) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1008 = INTERCEPT OF EULER LINE AND LINE X_1X_76."""
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,
incenter_of,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01008(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1008 = INTERCEPT OF EULER LINE AND LINE X_1X_76 on reference triangle ABC."""
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"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center"])
central_line(model, X_2, X_3, 2, 3)
central_line(model, X_1, X_76, 1, 76)
X_1008 = intersect_lines(model, X_2, X_3, X_1, X_76, ID="X_1008", classes=["selected", "target"])
return promote_point_to_top(model, X_1008)
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_1008 on the given reference triangle."""
model = create_model('X_1008 = INTERCEPT OF EULER LINE AND LINE X_1X_76')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01008(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-01008.json"))
write_center_svg(
model_acute,
here / "x-01008.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)