X3545¶
EULER LINE INTERCEPT OF LINE X11X_1056
X3545 (EULER LINE INTERCEPT OF LINE X11X_1056) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3545 = EULER LINE INTERCEPT OF LINE X_11X_1056."""
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,
midpoint,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03545(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3545 = EULER LINE INTERCEPT OF LINE X_11X_1056 on reference triangle ABC."""
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
X_3524 = eval_trilinear_point(model, A, B, C, '3*cos(A) + sin(B)*sin(C)', ID="X_3524", classes=["center"])
X_3545 = midpoint(model, X_4, X_3524, ID="X_3545", classes=["selected", "target"], guide=False)
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_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B + omega ) + c*sec(C + omega ))', ID="X_114", classes=["center", "incident"])
X_671 = eval_trilinear_point(model, A, B, C, '1/(a*(2*a**(2) - b**(2) - c**(2)))', ID="X_671", classes=["center", "incident"])
central_line(model, X_114, X_671, 114, 671, incident=True)
X_262 = eval_trilinear_point(model, A, B, C, 'sec(A - omega )', ID="X_262", classes=["center", "incident"])
X_538 = point_from_barycentrics(model, A, B, C, -0.75777793, 0.11558409, 0.64219384, ID="X_538", classes=["center", "incident"])
central_line(model, X_262, X_538, 262, 538, incident=True)
return promote_point_to_top(model, X_3545)
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_3545 on the given reference triangle."""
model = create_model('X_3545 = EULER LINE INTERCEPT OF LINE X_11X_1056')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03545(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-03545.json"))
write_center_svg(
model_acute,
here / "x-03545.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)