X1355¶
BRISSE TRANSFORM OF X98
X1355 (BRISSE TRANSFORM OF X98) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1355 = BRISSE TRANSFORM OF X_98."""
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,
intersect_lines,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01355(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1355 = BRISSE TRANSFORM OF X_98 on reference triangle ABC."""
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center"])
X_741 = eval_trilinear_point(model, A, B, C, '(1/(a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))))', ID="X_741", classes=["center"])
X_222 = eval_trilinear_point(model, A, B, C, 'cos(A)*tan(A/2)', ID="X_222", classes=["center"])
X_1363 = point_from_barycentrics(model, A, B, C, 0.39605447, 0.60045962, 0.0034859063, ID="X_1363", classes=["center"])
central_line(model, X_56, X_741, 56, 741)
central_line(model, X_222, X_1363, 222, 1363)
X_1355 = intersect_lines(model, X_56, X_741, X_222, X_1363, ID="X_1355", classes=["selected", "target"])
return promote_point_to_top(model, X_1355)
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_1355 on the given reference triangle."""
model = create_model('X_1355 = BRISSE TRANSFORM OF X_98')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01355(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-01355.json"))
write_center_svg(
model_acute,
here / "x-01355.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)