X3451¶
1st SARAGOSSA POINT OF X9
X3451 (1st SARAGOSSA POINT OF X9) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3451 = 1st SARAGOSSA POINT OF X_9."""
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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
mittenpunkt_of,
point_from_barycentrics,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03451(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3451 = 1st SARAGOSSA POINT OF X_9 on reference triangle ABC."""
X_3451 = eval_trilinear_point(model, A, B, C, '(a/ ((b + c - a)*(a*(b + c) + (b - c)**(2))))', ID="X_3451", classes=["selected", "target"])
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_604 = eval_trilinear_point(model, A, B, C, 'a*(1 - cos(A))', ID="X_604", classes=["center", "incident"])
central_line(model, X_9, X_604, 9, 604, incident=True)
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
X_572 = eval_trilinear_point(model, A, B, C, '(cos(A - U))', ID="X_572", classes=["center", "incident"])
central_line(model, X_55, X_572, 55, 572, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_1604 = point_from_barycentrics(model, A, B, C, 0.93491407, 0.89942712, -0.83434118, ID="X_1604", classes=["center", "incident"])
central_line(model, X_6, X_1604, 6, 1604, incident=True)
return promote_point_to_top(model, X_3451)
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_3451 on the given reference triangle."""
model = create_model('X_3451 = 1st SARAGOSSA POINT OF X_9')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03451(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-03451.json"))
write_center_svg(
model_acute,
here / "x-03451.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)