X767¶
EVEN (3, 4) CIRCUMCIRCLE POINT
X767 (EVEN (3, 4) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_767 = EVEN (3, 4) CIRCUMCIRCLE POINT."""
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,
isogonal_conjugate,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00767(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_767 = EVEN (3, 4) CIRCUMCIRCLE POINT on reference triangle ABC."""
X_766 = eval_trilinear_point(model, A, B, C, '(a**(2)*(b**(4) + c**(4)) - a**(3)*(b**(3) + c**(3)))', ID="X_766", classes=["center"])
X_767 = isogonal_conjugate(model, A, B, C, X_766, ID="X_767", classes=["selected", "target"])
X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
central_line(model, X_75, X_101, 75, 101, incident=True)
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
central_line(model, X_76, X_100, 76, 100, incident=True)
X_85 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)/(b + c - a)', ID="X_85", classes=["center", "incident"])
X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
central_line(model, X_85, X_109, 85, 109, incident=True)
return promote_point_to_top(model, X_767)
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_767 on the given reference triangle."""
model = create_model('X_767 = EVEN (3, 4) CIRCUMCIRCLE POINT')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00767(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-00767.json"))
write_center_svg(
model_acute,
here / "x-00767.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)