X1335¶
{X1,X6}-HARMONIC CONJUGATE OF X1124
X1335 ({X1,X6}-HARMONIC CONJUGATE OF X1124) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124."""
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,
incenter_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01335(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124 on reference triangle ABC."""
X_1335 = eval_trilinear_point(model, A, B, C, '(1 - sin(A))', ID="X_1335", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_1, X_6, 1, 6, incident=True)
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
X_371 = eval_trilinear_point(model, A, B, C, 'cos(A - pi /4)', ID="X_371", classes=["center", "incident"])
central_line(model, X_55, X_371, 55, 371, incident=True)
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
X_372 = eval_trilinear_point(model, A, B, C, 'cos(A + pi /4)', ID="X_372", classes=["center", "incident"])
central_line(model, X_56, X_372, 56, 372, incident=True)
return promote_point_to_top(model, X_1335)
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_1335 on the given reference triangle."""
model = create_model('X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01335(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-01335.json"))
write_center_svg(
model_acute,
here / "x-01335.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)