X1359¶
BRISSE TRANSFORM OF X102
X1359 (BRISSE TRANSFORM OF X102) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1359 = BRISSE TRANSFORM OF X_102."""
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,
feuerbach_point_of,
intersect_lines,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01359(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1359 = BRISSE TRANSFORM OF X_102 on reference triangle ABC."""
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center"])
X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center"])
X_123 = eval_trilinear_point(model, A, B, C, '(csc(A))*(sec(B) - sec(C))*((sec(A))*((sin(B))**(2) - (sin(C))**(2)) + sin(C)*tan(C) - sin(B)*tan(B))', ID="X_123", classes=["center"])
central_line(model, X_4, X_11, 4, 11)
central_line(model, X_12, X_123, 12, 123)
X_1359 = intersect_lines(model, X_4, X_11, X_12, X_123, ID="X_1359", classes=["selected", "target"])
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
X_1295 = point_from_barycentrics(model, A, B, C, 0.79525862, 0.88362069, -0.67887931, ID="X_1295", classes=["center", "incident"])
central_line(model, X_55, X_1295, 55, 1295, incident=True)
return promote_point_to_top(model, X_1359)
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_1359 on the given reference triangle."""
model = create_model('X_1359 = BRISSE TRANSFORM OF X_102')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01359(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-01359.json"))
write_center_svg(
model_acute,
here / "x-01359.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)