Commit 6d4a6534 authored by Calvin Metcalf's avatar Calvin Metcalf
Browse files

(#91) - add Reseau National Belge 1972 datum

parent b38334cd

lib/constants/Datum.js

+5 −0
Original line number Diff line number Diff line
@@ -73,3 +73,8 @@ exports.gunung_segara = { 
  ellipse: 'bessel',

  datumName: 'Gunung Segara Jakarta'

};

exports.rnb72 = {

  towgs84: "106.869,-52.2978,103.724,-0.33657,0.456955,-1.84218,1",

  ellipse: "intl",

  datumName: "Reseau National Belge 1972"

};
 
 No newline at end of file

lib/wkt.js

+3 −0
Original line number Diff line number Diff line
@@ -143,6 +143,9 @@ function cleanWKT(wkt) { 
    if (wkt.datumCode.slice(-8) === '_jakarta') {

      wkt.datumCode = wkt.datumCode.slice(0, - 8);

    }

    if (~wkt.datumCode.indexOf('belge')) {

      wkt.datumCode = "rnb72";

    }

    if (wkt.GEOGCS.DATUM && wkt.GEOGCS.DATUM.SPHEROID) {

      wkt.ellps = wkt.GEOGCS.DATUM.SPHEROID.name.replace('_19', '').replace(/[Cc]larke\_18/, 'clrk');

      if (wkt.ellps.toLowerCase().slice(0, 13) === "international") {

test/testData.js

+15 −0
Original line number Diff line number Diff line
@@ -259,6 +259,21 @@ var testPoints = [ 
    code:"+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371000 +b=6371000 +units=m +datum=none +no_defs",

     xy: [ 736106.55, 5893331.11 ], 

      ll: [11.0, 53.0] 

  },

  {

    code:'PROJCS["Belge 1972 / Belgian Lambert 72",GEOGCS["Belge 1972",DATUM["Reseau_National_Belge_1972",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[106.869,-52.2978,103.724,-0.33657,0.456955,-1.84218,1],AUTHORITY["EPSG","6313"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4313"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",51.16666723333333],PARAMETER["standard_parallel_2",49.8333339],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.367486666666666],PARAMETER["false_easting",150000.013],PARAMETER["false_northing",5400088.438],AUTHORITY["EPSG","31370"],AXIS["X",EAST],AXIS["Y",NORTH]]',

    xy:[104588.196404, 193175.582367],

    ll:[3.7186701465384533,51.04642936832842]

  },

  {

    code:'PROJCS["Belge 1972 / Belgian Lambert 72",GEOGCS["Belge 1972",DATUM["D_Belge_1972",SPHEROID["International_1924",6378388,297]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["standard_parallel_1",51.16666723333333],PARAMETER["standard_parallel_2",49.8333339],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",4.367486666666666],PARAMETER["false_easting",150000.013],PARAMETER["false_northing",5400088.438],UNIT["Meter",1]]',

    xy:[104588.196404, 193175.582367],

    ll:[3.7186701465384533,51.04642936832842]

  },

  {

    code:'+proj=lcc +lat_1=51.16666723333333 +lat_2=49.8333339 +lat_0=90 +lon_0=4.367486666666666 +x_0=150000.013 +y_0=5400088.438 +ellps=intl +towgs84=106.869,-52.2978,103.724,-0.33657,0.456955,-1.84218,1 +units=m +no_defs ',

    xy:[104588.196404, 193175.582367],

    ll:[3.7186701465384533,51.04642936832842]

  }

];

if(typeof module !== 'undefined'){