X2402¶
GIBERT-SIMSON TRANSFORM OF X105
X2402 (GIBERT-SIMSON TRANSFORM OF X105) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2402 = GIBERT-SIMSON TRANSFORM OF X_105."""
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,
construct_baseline_triangle,
create_model,
eval_barycentric_point,
eval_trilinear_point,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02402(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2402 = GIBERT-SIMSON TRANSFORM OF X_105 on reference triangle ABC."""
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_650 = eval_trilinear_point(model, A, B, C, 'cos(B) - cos(C)', ID="X_650", classes=["center"])
X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center"])
X_885 = eval_barycentric_point(model, A, B, C, '(b - c)*(a - b - c)/(b**(2) + c**(2) - a*b - a*c)', ID="X_885", classes=["center"])
central_line(model, X_2, X_650, 2, 650)
central_line(model, X_523, X_885, 523, 885)
X_2402 = intersect_lines(model, X_2, X_650, X_523, X_885, ID="X_2402", classes=["selected", "target"])
X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
X_1024 = eval_trilinear_point(model, A, B, C, '((b - c)*(b + c - a)/(b**(2) + c**(2) - a*(b + c)))', ID="X_1024", classes=["center", "incident"])
central_line(model, X_514, X_1024, 514, 1024, incident=True)
return promote_point_to_top(model, X_2402)
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_2402 on the given reference triangle."""
model = create_model('X_2402 = GIBERT-SIMSON TRANSFORM OF X_105')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02402(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-02402.json"))
write_center_svg(
model_acute,
here / "x-02402.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)