X3175

X7-CEVA CONJUGATE OF X10

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 37 }: Central Line L(2, 37) { 72, 519 }: Central Line L(72, 519) { 428, 528 }: Central Line L(428, 528) { 354, 726 }: Central Line L(354, 726) { 190, 1999 }: Central Line L(190, 1999) { 1211, 2321 }: Central Line L(1211, 2321) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_7 = GERGONNE POINT (0.5903, 0.2769) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_2 = CENTROID (0.5374, 0.2000) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_428 = EULER X(38)-5th-SUBSTITUTION POINT (0.6180, 0.4109) X_528 = DIRECTION OF VECTOR AX + BX + CX, where X = X(11) (1.0237, -0.1286) X_354 = WEILL POINT (0.5823, 0.2533) X_726 = EVEN (- 2, -1) INFINITY POINT (1.0187, 0.5358) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_1999 = ORTHOCORRESPONDENT OF X(10) (0.6884, 0.3479) X_1211 = ISOGONAL CONJUGATE OF X(1169) (0.5137, 0.1744) X_2321 = -ISOCONJUGATE OF X(1408) (0.4497, 0.1200) X_3175 = -CEVA CONJUGATE OF X(10) (0.7147, 0.3456) A B C X7 X10 X2 X37 X72 X519 X428 X528 X354 X726 X190 X1999 X1211 X2321 X3175 (a, b, c) = (5, 6, 7) | AB = 1

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",
            )