X3184¶
X20-CEVA CONJUGATE OF X30
X3184 (X20-CEVA CONJUGATE OF X30) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3184 = X_20-CEVA CONJUGATE OF X_30."""
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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
midpoint,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03184(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3184 = X_20-CEVA CONJUGATE OF X_30 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_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center"])
X_3184 = midpoint(model, X_20, X_107, ID="X_3184", classes=["selected", "target"], guide=False)
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_113 = eval_trilinear_point(model, A, B, C, 'sin(B)*sin(C)*((sin(C))/(cos(C) - 2*cos(A)*cos(B)) + (sin(B))/(cos(B) - 2*cos(A)*cos(C)))', ID="X_113", classes=["center", "incident"])
central_line(model, X_3, X_113, 3, 113, incident=True)
central_line(model, X_20, X_107, 20, 107, incident=True)
X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
X_133 = eval_trilinear_point(model, A, B, C, '(sec(A))*((sin(2*B) - sin(2*C))**(2) + (sin(2*A))*(sin(2*B)) + (sin(2*A))*(sin(2*C)) - 2*(sin(2*B))*(sin(2*C)))*(2*sin(2*A) - sin(2*B) - sin(2*C))', ID="X_133", classes=["center", "incident"])
central_line(model, X_30, X_133, 30, 133, incident=True)
return promote_point_to_top(model, X_3184)
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_3184 on the given reference triangle."""
model = create_model('X_3184 = X_20-CEVA CONJUGATE OF X_30')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03184(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-03184.json"))
write_center_svg(
model_acute,
here / "x-03184.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)