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proj4

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proj4 - npm Package Compare versions

Comparing version

2.4.1
to
2.4.3

2

bower.json
{
"name": "proj4",
"version": "2.4.1",
"version": "2.4.3",
"description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",

@@ -5,0 +5,0 @@ "homepage": "https://github.com/proj4js/proj4js",

2

component.json
{
"name": "proj4",
"version": "2.4.1",
"version": "2.4.3",
"description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",

@@ -5,0 +5,0 @@ "repo": "proj4js/proj4js",

12

lib/common/adjust_zone.js

@@ -5,15 +5,11 @@ import adjust_lon from './adjust_lon';

if (zone === undefined) {
zone = Math.floor((adjust_lon(lon) + Math.PI) * 30 / Math.PI);
zone = Math.floor((adjust_lon(lon) + Math.PI) * 30 / Math.PI) + 1;
if (zone < 0) {
return 0;
} else if (zone >= 60) {
return 59;
} else if (zone > 60) {
return 60;
}
return zone;
} else {
if (zone > 0 && zone <= 60) {
return zone - 1;
}
}
return zone;
}

2

lib/constants/Ellipsoid.js

@@ -249,3 +249,3 @@ var exports = {};

exports.WGS84 = {
export var WGS84 = exports.WGS84 = {
a: 6378137.0,

@@ -252,0 +252,0 @@ rf: 298.257223563,

5

lib/deriveConstants.js
import {SIXTH, RA4, RA6, EPSLN} from './constants/values';
import Ellipsoid from './constants/Ellipsoid';
import {default as Ellipsoid, WGS84} from './constants/Ellipsoid';
import match from './match';

@@ -24,3 +24,2 @@

}
var wgs84 = match(Ellipsoid, 'WGS84');
export function sphere(a, b, rf, ellps, sphere) {

@@ -30,3 +29,3 @@ if (!a) { // do we have an ellipsoid?

if (!ellipse) {
ellipse = wgs84;
ellipse = WGS84;
}

@@ -33,0 +32,0 @@ a = ellipse.a;

2

lib/Proj.js

@@ -38,3 +38,3 @@ import parseCode from './parseCode';

json.axis = json.axis || 'enu';
json.ellps = json.ellps || 'wgs84';
var sphere_ = dc_sphere(json.a, json.b, json.rf, json.ellps, json.sphere);

@@ -41,0 +41,0 @@ var ecc = dc_eccentricity(sphere_.a, sphere_.b, sphere_.rf, json.R_A);

1

lib/projections/etmerc.js

@@ -88,3 +88,2 @@ // Heavily based on this etmerc projection implementation

Cn = gatg(this.cbg, Cn);
var sin_Cn = Math.sin(Cn);

@@ -91,0 +90,0 @@ var cos_Cn = Math.cos(Cn);

4

lib/projections/utm.js
import adjust_zone from '../common/adjust_zone';
import etmerc from './etmerc';
export var dependsOn = 'etmerc';
import {D2R} from '../constants/values';

@@ -11,5 +12,4 @@

}
this.lat0 = 0;
this.long0 = (zone + 0.5) * Math.PI / 30 - Math.PI;
this.long0 = ((6 * Math.abs(zone)) - 183) * D2R;
this.x0 = 500000;

@@ -16,0 +16,0 @@ this.y0 = this.utmSouth ? 10000000 : 0;

4

package.json
{
"name": "proj4",
"version": "2.4.1",
"version": "2.4.3",
"description": "Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.",

@@ -41,4 +41,4 @@ "main": "dist/proj4-src.js",

"mgrs": "1.0.0",
"wkt-parser": "^1.1.2"
"wkt-parser": "^1.1.3"
}
}

17

test/test.js

@@ -183,3 +183,18 @@ // You can do this in the grunt config for each mocha task, see the `options` config

assert.equal(proj4.defs['EPSG:4279'].to_meter, 6377563.396*0.01745329251994328);
});
});
it('should parse wkt and proj4 of the same crs and result in the same params', function() {
var s1 = 'GEOGCS["PSD93",DATUM["PDO_Survey_Datum_1993",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.7101],AUTHORITY["EPSG","6134"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4134"]]';
var s2 = '+proj=longlat +ellps=clrk80 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.7101 +no_defs';
var crs1 = proj4(s1);
var crs2 = proj4(s2);
assert.equal(crs1.oProj.a, crs2.oProj.a);
// proj4 has different ellipsoid parameters that EPSG: http://epsg.io/4134
// assert.equal(crs1.oProj.b, crs2.oProj.b);
});
it('should handled defined points correctly', function () {
var prj = '+proj=utm +zone=31';
var proj = proj4(prj);
var res = proj.forward([3, 0]);
assert.deepEqual(res, [500000, 0]);
});
});

@@ -186,0 +201,0 @@ });

17

test/testData.js

@@ -32,3 +32,3 @@ var testPoints = [

},
{code:'PROJCS["NAD83 / Massachusetts Mainland", GEOGCS["NAD83", DATUM["North American Datum 1983", SPHEROID["GRS 1980", 6378137.0, 298.257222101, AUTHORITY["EPSG","7019"]], TOWGS84[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], AUTHORITY["EPSG","6269"]], PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], UNIT["degree", 0.017453292519943295], AXIS["Geodetic longitude", EAST], AXIS["Geodetic latitude", NORTH], AUTHORITY["EPSG","4269"]], PROJECTION["Lambert_Conformal_Conic_2SP", AUTHORITY["EPSG","9802"]], PARAMETER["central_meridian", -71.5], PARAMETER["latitude_of_origin", 41.0], PARAMETER["standard_parallel_1", 42.68333333333334], PARAMETER["false_easting", 200000.0], PARAMETER["false_northing", 750000.0], PARAMETER["scale_factor", 1.0], PARAMETER["standard_parallel_2", 41.71666666666667], UNIT["m", 1.0], AXIS["Easting", EAST], AXIS["Northing", NORTH], AUTHORITY["EPSG","26986"]]',
{code:'PROJCS["NAD83 / Massachusetts Mainland", GEOGCS["NAD83", DATUM["North American Datum 1983", SPHEROID["GRS 1980", 6378137.0, 298.257222101, AUTHORITY["EPSG","7019"]], TOWGS84[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], AUTHORITY["EPSG","6269"]], PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], UNIT["degree", 0.017453292519943295], AXIS["Geodetic longitude", EAST], AXIS["Geodetic latitude", NORTH], AUTHORITY["EPSG","4269"]], PROJECTION["Lambert_Conformal_Conic_2SP", AUTHORITY["EPSG","9802"]], PARAMETER["central_meridian", -71.5], PARAMETER["latitude_of_origin", 41.0], PARAMETER["standard_parallel_1", 42.68333333333334], PARAMETER["false_easting", 200000.0], PARAMETER["false_northing", 750000.0], PARAMETER["scale_factor", 1.0], PARAMETER["standard_parallel_2", 41.71666666666667], UNIT["m", 1.0], AXIS["Easting", EAST], AXIS["Northing", NORTH], AUTHORITY["EPSG","26986"]]',
xy: [ 231394.84,902621.11],

@@ -397,2 +397,17 @@ ll: [-71.11881762742996,42.37346263960867]

xy: [532247.285, 2208091.8723]
},
{
code: '+proj=utm +zone=33 +units=m +no_defs',
ll: [2, 1],
xy: [-959006.4926646841, 113457.31956265299]
},
{
code: '+proj=utm +zone=33 +units=m',
ll: [2, 1],
xy: [-959006.4926646841, 113457.31956265299]
},
{
code: '+proj=utm +zone=33',
ll: [2, 1],
xy: [-959006.4926646841, 113457.31956265299]
}

@@ -399,0 +414,0 @@ ];

dist/proj4-src.js

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dist/proj4.js

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