X3080¶
DANNEELS POINT OF X25
X3080 (DANNEELS POINT OF X25) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3080 = DANNEELS POINT OF X_25."""
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,
ceva_conjugate,
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_03080(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3080 = DANNEELS POINT OF X_25 on reference triangle ABC."""
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center"])
X_1196 = eval_trilinear_point(model, A, B, C, '(a*(b**(4) + c**(4) + a**(2)*b**(2) + a**(2)*c**(2) - 2*b**(2)*c**(2)))', ID="X_1196", classes=["center"])
X_3080 = ceva_conjugate(model, A, B, C, X_25, X_1196, ID="X_3080", 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_682 = eval_trilinear_point(model, A, B, C, '(sec(B)*(csc(C))**(3) + sec(C)*(csc(B))**(3))', ID="X_682", classes=["center", "incident"])
central_line(model, X_682, X_1196, 682, 1196, incident=True)
return promote_point_to_top(model, X_3080)
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_3080 on the given reference triangle."""
model = create_model('X_3080 = DANNEELS POINT OF X_25')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03080(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-03080.json"))
write_center_svg(
model_acute,
here / "x-03080.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)