EPSG:26720 — NAD27 / UTM zone 20N

Projekte · North America - 66°W to 60°W and NAD27 by country

Tanım Formatları

OGC WKT

PROJCS[
    "NAD27 / UTM zone 20N",
    GEOGCS[
        "NAD27",
        DATUM[
            "North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4267"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","26720"]
]

WKT2

PROJCRS[
    "NAD27 / UTM zone 20N",
    BASEGEOGCRS[
        "NAD27",
        DATUM[
            "North American Datum 1927",
            ELLIPSOID[
                "Clarke 1866",
                6378206.4,
                294.978698213898,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7008]
            ],
            ID["EPSG",6267]
        ],
        ID["EPSG",4267]
    ],
    CONVERSION[
        "UTM zone 20N",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -63,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16020]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",26720]
]

PROJ.4

+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=m +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:26720", "+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 26720,
  "name": "NAD27 / UTM zone 20N",
  "kind": "projected",
  "area": "North America - 66°W to 60°W and NAD27 by country",
  "unit": "metre",
  "bbox": [
    38.21,
    -66,
    82.97,
    -59.99
  ],
  "proj4": "+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +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 (26720, 'EPSG', 26720, '+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=m +no_defs +type=crs', 'PROJCS["NAD27 / UTM zone 20N",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26720"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=utm"
  "+zone=20"
  "+ellps=clrk66"
  "+nadgrids=NTv2_0.gsb"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

26720=PROJCS["NAD27 / UTM zone 20N",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26720"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (168)

Dönüşümler temel CRS'den alınmıştır: EPSG:4267 (NAD27)

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
NAD27 to NAD83 (1)	4267 → 4269	0.15
NAD27 to NAD83 (7)	4267 → 4269	0.15
NAD27 to NAD83(HARN) (22)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (1)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (2)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (3)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (4)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (5)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (6)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (7)	4267 → 4152	0.2

North American Datum 1927 Kullanan Diğer CRS (194)

Sıkça Sorulan Sorular

EPSG:26720 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

26720=PROJCS["NAD27 / UTM zone 20N",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26720"]]

GeoServer rehberinin tamamını okuyun →

EPSG:26720 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (26720, 'EPSG', 26720, '+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=m +no_defs +type=crs', 'PROJCS["NAD27 / UTM zone 20N",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26720"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:26720 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=utm"
  "+zone=20"
  "+ellps=clrk66"
  "+nadgrids=NTv2_0.gsb"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:26720 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:26720", "+proj=utm +zone=20 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=m +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

metre

Geodetik CRS

NAD27

Datum

North American Datum 1927

Elipsoid

Clarke 1866

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

North America - 66°W to 60°W and NAD27 by country

North America - between 66°W and 60°W - onshore and offshore. Canada - New Brunswick; Labrador; Nova…

Koordinat Sistemi

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

WGS84 Sınırları

82.97 -66.00-59.99 38.21

Veri Kaynağı

EPSG

Revizyon Tarihi

1995-06-02

Kapsam

Engineering survey, topographic mapping.

Açıklamalar

In Quebec replaced by NAD27(CGQ77) / UTM zone 20N (code 2034).

EPSG

26720