X192

X1-CEVA CONJUGATE OF X2 (CONGRUENT PARALLELIANS POINT)

< 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) { 1, 87 }: Central Line L(1, 87) { 6, 190 }: Central Line L(6, 190) { 144, 145 }: Central Line L(144, 145) { 9, 239 }: Central Line L(9, 239) { 8, 256 }: Central Line L(8, 256) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_87 = -CROSS CONJUGATE OF X(1) (0.4794, 0.1691) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_144 = ANTICOMPLEMENT OF X(7) (0.4317, 0.0461) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_9 = MITTENPUNKT (0.5110, 0.1615) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_8 = NAGEL POINT (0.4694, 0.1333) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) A B C X1 X2 X37 X87 X6 X190 X144 X145 X9 X239 X8 X256 X192 (a, b, c) = (5, 6, 7) | AB = 1

X192 (X1-CEVA CONJUGATE OF X2 (CONGRUENT PARALLELIANS POINT)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_192 = X_1-CEVA CONJUGATE OF X_2 (CONGRUENT PARALLELIANS 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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00192(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_192 = X_1-CEVA CONJUGATE OF X_2 (CONGRUENT PARALLELIANS POINT) on reference triangle ABC."""
            X_192 = eval_trilinear_point(model, A, B, C, 'b*c*(c*a + a*b - b*c)', ID="X_192", 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_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_87 = eval_trilinear_point(model, A, B, C, '1/(a*b + a*c - b*c)', ID="X_87", classes=["center", "incident"])
            central_line(model, X_1, X_87, 1, 87, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            central_line(model, X_6, X_190, 6, 190, incident=True)
            return promote_point_to_top(model, X_192)


        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_192 on the given reference triangle."""
            model = create_model('X_192 = X_1-CEVA CONJUGATE OF X_2 (CONGRUENT PARALLELIANS POINT)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00192(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-00192.json"))
            write_center_svg(
                model_acute,
                here / "x-00192.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )