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Re: Координаты в Autocad

Добавлено: 21 май 2021, 12:10
Игорь Белов
Определение WKT 2:

Код: Выделить всё

DERIVEDPROJCRS["Kazan",
    BASEPROJCRS["Pulkovo 1942 / Gauss-Kruger zone 9",
        BASEGEOGCRS["Pulkovo 1942",
            DATUM["Pulkovo 1942",
                ELLIPSOID["Krassowsky 1940",6378245,298.3,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["Degree",0.0174532925199433]]],
        CONVERSION["6-degree Gauss-Kruger zone 9",
            METHOD["Transverse Mercator",
                ID["EPSG",9807]],
            PARAMETER["Latitude of natural origin",0,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",51,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",1,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",9500000,
                LENGTHUNIT["metre",1],
                ID["EPSG",8806]],
            PARAMETER["False northing",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8807]]]],
    DERIVINGCONVERSION["Affine",
        METHOD["Affine parametric transformation",
            ID["EPSG",9624]],
        PARAMETER["A0",-9208232.61165234,
            LENGTHUNIT["metre",1],
            ID["EPSG",8623]],
        PARAMETER["A1",0.999462950272383,
            SCALEUNIT["coefficient",1],
            ID["EPSG",8624]],
        PARAMETER["A2",-0.027292828653998,
            SCALEUNIT["coefficient",1],
            ID["EPSG",8625]],
        PARAMETER["B0",-6439870.34950389,
            LENGTHUNIT["metre",1],
            ID["EPSG",8639]],
        PARAMETER["B1",0.027292828653998,
            SCALEUNIT["coefficient",1],
            ID["EPSG",8640]],
        PARAMETER["B2",0.999462950272383,
            SCALEUNIT["coefficient",1],
            ID["EPSG",8641]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["unknown"],
        AREA["Russia - Kazan"],
        BBOX[55.64,48.84,55.92,49.36]]]

Re: Координаты в Autocad

Добавлено: 21 май 2021, 12:26
trir

Re: Координаты в Autocad

Добавлено: 21 май 2021, 17:00
lam
Игорь Белов писал(а):
21 май 2021, 12:10
Определение WKT 2
Описать ГCК Казани как "6-degree Gauss-Kruger zone 9" с аффинными коэффициентами, очень интересно.