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X₁₁₆₃¶

INNER GREBE-ORTHIC PERSPECTOR

X₁₁₆₃ (INNER GREBE-ORTHIC PERSPECTOR) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1163 = INNER GREBE-ORTHIC PERSPECTOR."""

        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,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01163(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1163 = INNER GREBE-ORTHIC PERSPECTOR on reference triangle ABC."""
            X_1163 = eval_trilinear_point(model, A, B, C, '(( area - a**(2))*(2*area - b**(2) - c**(2))/(a*(b**(2) + c**(2) - a**(2))))', ID="X_1163", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_1161 = eval_trilinear_point(model, A, B, C, '(1 - 2*cot(A) - 2*cot(B) - 2*cot(C))*cos(A) + 2*sin(A)', ID="X_1161", classes=["center", "incident"])
            central_line(model, X_4, X_1161, 4, 1161, 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_1162 = eval_trilinear_point(model, A, B, C, '( area + a**(2))*(2*area + b**(2) + c**(2))/(a*(b**(2) + c**(2) - a**(2)))', ID="X_1162", classes=["center", "incident"])
            central_line(model, X_428, X_1162, 428, 1162, incident=True)
            return promote_point_to_top(model, X_1163)


        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_1163 on the given reference triangle."""
            model = create_model('X_1163 = INNER GREBE-ORTHIC PERSPECTOR')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01163(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-01163.json"))
            write_center_svg(
                model_acute,
                here / "x-01163.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1163¶

X₁₁₆₃¶