EPSG:21781 — CH1903 / LV03

Projekte · Europe - Liechtenstein and Switzerland

Tanım Formatları

OGC WKT

PROJCS[
    "CH1903 / LV03",
    GEOGCS[
        "CH1903",
        DATUM[
            "CH1903",
            SPHEROID["Bessel 1841",6377397.155,299.1528128],
            TOWGS84[674.374,15.056,405.346,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4149"]
    ],
    PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],
    PARAMETER["latitude_of_center",46.9524055555556],
    PARAMETER["longitude_of_center",7.43958333333333],
    PARAMETER["azimuth",90],
    PARAMETER["rectified_grid_angle",90],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",600000],
    PARAMETER["false_northing",200000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","21781"]
]

WKT2

PROJCRS[
    "CH1903 / LV03",
    BASEGEOGCRS[
        "CH1903",
        DATUM[
            "CH1903",
            ELLIPSOID[
                "Bessel 1841",
                6377397.155,
                299.1528128,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7004]
            ],
            ID["EPSG",6149]
        ],
        ID["EPSG",4149]
    ],
    CONVERSION[
        "Swiss Oblique Mercator 1903M",
        METHOD["Hotine Oblique Mercator (variant B)",ID["EPSG",9815]],
        PARAMETER[
            "Latitude of projection centre",
            46.9524055555558,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8811]
        ],
        PARAMETER[
            "Longitude of projection centre",
            7.43958333333361,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8812]
        ],
        PARAMETER[
            "Azimuth at projection centre",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8813]
        ],
        PARAMETER[
            "Angle from Rectified to Skew Grid",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8814]
        ],
        PARAMETER[
            "Scale factor at projection centre",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8815]
        ],
        PARAMETER[
            "Easting at projection centre",
            600000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8816]
        ],
        PARAMETER[
            "Northing at projection centre",
            200000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8817]
        ],
        ID["EPSG",19922]
    ],
    CS[Cartesian,2,ID["EPSG",4498]],
    AXIS["Easting (Y)",east],
    AXIS["Northing (X)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",21781]
]

PROJ.4

+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:21781", "+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 21781,
  "name": "CH1903 / LV03",
  "kind": "projected",
  "area": "Europe - Liechtenstein and Switzerland",
  "unit": "metre",
  "bbox": [
    45.81,
    5.95,
    47.81,
    10.5
  ],
  "proj4": "+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

PostGIS'a nasıl projeksiyon eklerim? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (21781, 'EPSG', 21781, '+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["CH1903 / LV03",GEOGCS["CH1903",DATUM["CH1903",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[674.374,15.056,405.346,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4149"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",46.9524055555556],PARAMETER["longitude_of_center",7.43958333333333],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",1],PARAMETER["false_easting",600000],PARAMETER["false_northing",200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21781"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=somerc"
  "+lat_0=46.9524055555556"
  "+lon_0=7.43958333333333"
  "+k_0=1"
  "+x_0=600000"
  "+y_0=200000"
  "+ellps=bessel"
  "+towgs84=674.374,15.056,405.346,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

21781=PROJCS["CH1903 / LV03",GEOGCS["CH1903",DATUM["CH1903",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[674.374,15.056,405.346,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4149"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",46.9524055555556],PARAMETER["longitude_of_center",7.43958333333333],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",1],PARAMETER["false_easting",600000],PARAMETER["false_northing",200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21781"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (11)

Dönüşümler temel CRS'den alınmıştır: EPSG:4149 (CH1903)

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
CH1903 (Bern) to CH1903 (1)	4801 → 4149	0
CH1903 to CH1903+ (1)	4149 → 4150	0.2
CH1903 to CHTRS95 (1)	4149 → 4151	0.25
CH1903 to ETRS89-CHE [CHTRF95] (2)	4149 → 11307	0.25
CH1903 to WGS 84 (1)	4149 → 4326	1
CH1903 to ETRS89-CHE [CHTRF95] (1)	4149 → 11307	1.5
CH1903 to WGS 84 (2)	4149 → 4326	1.5
CH1903 to WGS 84 (3)	4149 → 4326	1.5
Bern 1898 (Bern) to CH1903 (Greenwich) Kullanım dışı	4801 → 4149	—
CH1903 to WGS 84 (1) Kullanım dışı	4149 → 4326	—

CH1903 Kullanan Diğer CRS

Sıkça Sorulan Sorular

EPSG:21781 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

21781=PROJCS["CH1903 / LV03",GEOGCS["CH1903",DATUM["CH1903",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[674.374,15.056,405.346,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4149"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",46.9524055555556],PARAMETER["longitude_of_center",7.43958333333333],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",1],PARAMETER["false_easting",600000],PARAMETER["false_northing",200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21781"]]

GeoServer rehberinin tamamını okuyun →

EPSG:21781 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (21781, 'EPSG', 21781, '+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["CH1903 / LV03",GEOGCS["CH1903",DATUM["CH1903",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[674.374,15.056,405.346,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4149"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",46.9524055555556],PARAMETER["longitude_of_center",7.43958333333333],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",1],PARAMETER["false_easting",600000],PARAMETER["false_northing",200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21781"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:21781 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=somerc"
  "+lat_0=46.9524055555556"
  "+lon_0=7.43958333333333"
  "+k_0=1"
  "+x_0=600000"
  "+y_0=200000"
  "+ellps=bessel"
  "+towgs84=674.374,15.056,405.346,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:21781 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:21781", "+proj=somerc +lat_0=46.9524055555556 +lon_0=7.43958333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +towgs84=674.374,15.056,405.346,0,0,0,0 +units=m +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

metre

Geodetik CRS

CH1903

Datum

CH1903

Elipsoid

Bessel 1841

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

Europe - Liechtenstein and Switzerland

Liechtenstein; Switzerland.

Koordinat Sistemi

Cartesian 2D CS. Axes: easting, northing (Y,X). Orientations: east, north. UoM: m.

Merkez Koordinatları

660019.11 184616.17

Projekte Sınırlar

299970.97 484273.30829264.33 74249.52

WGS84 Sınırları

47.81 5.9510.50 45.81

Veri Kaynağı

EPSG

Bilgi Kaynağı

Bundesamt für Landestopografie swisstopo; www.swisstopo.ch

Revizyon Tarihi

2015-11-25

Kapsam

Cadastre, engineering survey, topographic mapping (large and medium scale).

Açıklamalar

Replaces LV03C (CRS code 21780) in Switzerland, but used only occasionally in Liechtenstein. Replaced by CH1903+ / LV95 (CRS code 2056).

EPSG

21781