X1034¶
X4-CROSS CONJUGATE OF X8
X1034 (X4-CROSS CONJUGATE OF X8) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1034 = X_4-CROSS CONJUGATE OF X_8."""
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_trilinear_point,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01034(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1034 = X_4-CROSS CONJUGATE OF X_8 on reference triangle ABC."""
X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center"])
X_78 = eval_trilinear_point(model, A, B, C, '1/(1 - sec(A))', ID="X_78", classes=["center"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_271 = eval_trilinear_point(model, A, B, C, '((cot(A)*cot(A/2))/(-1 - cos(A) + cos(B) + cos(C)))', ID="X_271", classes=["center"])
central_line(model, X_20, X_78, 20, 78)
central_line(model, X_2, X_271, 2, 271)
X_1034 = intersect_lines(model, X_20, X_78, X_2, X_271, ID="X_1034", classes=["selected", "target"])
return promote_point_to_top(model, X_1034)
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_1034 on the given reference triangle."""
model = create_model('X_1034 = X_4-CROSS CONJUGATE OF X_8')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01034(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-01034.json"))
write_center_svg(
model_acute,
here / "x-01034.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)