X3175¶
X7-CEVA CONJUGATE OF X10
X3175 (X7-CEVA CONJUGATE OF X10) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3175 = X_7-CEVA CONJUGATE OF X_10."""
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,
ceva_conjugate,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
gergonne_point_of,
point_from_barycentrics,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03175(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3175 = X_7-CEVA CONJUGATE OF X_10 on reference triangle ABC."""
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center"])
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center"])
X_3175 = ceva_conjugate(model, A, B, C, X_7, X_10, ID="X_3175", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
central_line(model, X_2, X_37, 2, 37, incident=True)
X_72 = eval_trilinear_point(model, A, B, C, '(b + c)*cot(A)', ID="X_72", classes=["center", "incident"])
X_519 = eval_trilinear_point(model, A, B, C, '(2*a - b - c)/a', ID="X_519", classes=["center", "incident"])
central_line(model, X_72, X_519, 72, 519, incident=True)
X_428 = eval_trilinear_point(model, A, B, C, '3*sec(A) - csc(A)*tan(omega) ', ID="X_428", classes=["center", "incident"])
X_528 = point_from_barycentrics(model, A, B, C, -0.26726124, 0.80178373, -0.53452248, ID="X_528", classes=["center", "incident"])
central_line(model, X_428, X_528, 428, 528, incident=True)
return promote_point_to_top(model, X_3175)
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_3175 on the given reference triangle."""
model = create_model('X_3175 = X_7-CEVA CONJUGATE OF X_10')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03175(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-03175.json"))
write_center_svg(
model_acute,
here / "x-03175.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)