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Adding point data to test Krovak projection #116

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Adding point data to test Krovak projection #116

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977c979
Adding point data to test Krovak projection
jachym Jul 24, 2014
5083080
Adding test, with two calls of proj4.Proj, which both give different …
jachym Jul 25, 2014
1178e9b
Fixing proj creation issue (covered by tests)
jachym Jul 25, 2014
4611806
Merge remote-tracking branch 'upstream/master'
jachym Jul 25, 2014
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6 changes: 4 additions & 2 deletions lib/deriveConstants.js
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Expand Up @@ -49,6 +49,8 @@ module.exports = function(json) {
json.axis = "enu";
}

json.datum = datum(json);
if (!json.datum) {
json.datum = datum(json);
}
return json;
};
};
19 changes: 19 additions & 0 deletions test/test.js
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Expand Up @@ -213,6 +213,25 @@ function startTests(chai, proj4, testPoints) {
assert.equal(point.toMGRS(3), "25XEN041865", "MGRS reference with 3-digit accuracy correct.");
});
});
describe('Defs and Datum definition', function() {
proj4.defs("EPSG:5514", "+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=greenwich +units=m +no_defs +towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56");
var point = proj4.transform(proj4.Proj("WGS84"), proj4.Proj("EPSG:5514"),
proj4.toPoint([12.806988, 49.452262]));
it("Longitude of point from WGS84 correct.", function() {
assert.equal(point.x.toPrecision(8), "-868208.61", "Longitude of point from WGS84 correct.");
});
it("Latitude of point from WGS84 correct.", function() {
assert.equal(point.y.toPrecision(9), "-1095793.64", "Latitude of point from WGS84 correct.");
});
var point2 = proj4.transform(proj4.Proj("WGS84"), proj4.Proj("EPSG:5514"),
proj4.toPoint([12.806988, 49.452262]));
it("Longitude of point from WGS84 with second call for EPSG:5514 correct.", function() {
assert.equal(point2.x.toPrecision(8), "-868208.61", "Longitude of point from WGS84 correct.");
});
it("Latitude of point from WGS84 with second call for EPSG:5514 correct.", function() {
assert.equal(point2.y.toPrecision(9), "-1095793.64", "Latitude of point from WGS84 correct.");
});
});
});
});
}
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7 changes: 6 additions & 1 deletion test/testData.js
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Expand Up @@ -279,6 +279,11 @@ var testPoints = [
code:"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 +units=m +no_defs",
ll:[-3.20078, 55.96056],
xy:[325132.0089586496, 674822.638235305]
},
{
code:"+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=greenwich +units=m +no_defs +towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56",
ll: [12.806988, 49.452262],
xy: [-868208.61, -1095793.64]
}
];
if(typeof module !== 'undefined'){
Expand All @@ -287,4 +292,4 @@ if(typeof module !== 'undefined'){
define(function(){
return testPoints;
});
}
}