X3035¶
COMPLEMENT OF X11
X3035 (COMPLEMENT OF X11) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3035 = COMPLEMENT OF X_11."""
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,
circumcenter_of,
complement,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
feuerbach_point_of,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03035(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3035 = COMPLEMENT OF X_11 on reference triangle ABC."""
X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center"])
X_3035 = complement(model, A, B, C, X_11, ID="X_3035", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
central_line(model, X_2, X_11, 2, 11, incident=True)
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_119 = eval_trilinear_point(model, A, B, C, '(csc(A))*(-1 + cos(B) + cos(C))*(sin(2*B) + sin(2*C) + 2*(-1 + cos(A))*(sin(B) + sin(C)))', ID="X_119", classes=["center", "incident"])
central_line(model, X_3, X_119, 3, 119, incident=True)
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_140 = eval_trilinear_point(model, A, B, C, '2*cos(A) + cos(B - C)', ID="X_140", classes=["center", "incident"])
central_line(model, X_10, X_140, 10, 140, incident=True)
return promote_point_to_top(model, X_3035)
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_3035 on the given reference triangle."""
model = create_model('X_3035 = COMPLEMENT OF X_11')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03035(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-03035.json"))
write_center_svg(
model_acute,
here / "x-03035.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)