test direction (96a8ef37) · Commits · REDMIC Project / Third party / Proj4js

src/Proj.js

+1 −1

Original line number	Diff line number	Diff line
		define(['./extend','./common','./defs','./constants','./datum','./projections','./wkt'],function(extend, common, defs,constants,datum,projections,wkt) {
		define(['./extend','./common','./defs','./constants','./datum','./projections','./wkt2'],function(extend, common, defs,constants,datum,projections,wkt) {

		var proj = function proj(srsCode) {
		if (!(this instanceof proj)) {

src/wkt2.js

0 → 100644

+107 −0

Original line number	Diff line number	Diff line
		define(['./extend','./constants'],function(extend,constants) {
		/*function flatten(a) {
		var out = [];
		a.forEach(function(v) {
		if (Array.isArray(v)) {
		out = out.concat(v);
		}
		else {
		out.push(v);
		}
		});
		if (out.every(function(aa) {
		return !Array.isArray(aa);
		})) {
		return out;
		}
		return flatten(out);
		}*/

		function mapit(obj, key, v) {
		obj[key] = v.map(function(aa) {
		var o = {};
		fromLisp(aa, o);
		return o;
		}).reduce(function(a, b) {
		return extend(a, b);
		}, {});
		}

		function fromLisp(v, obj) {
		var key;
		if (!Array.isArray(v)) {
		obj[v] = true;
		return;
		}
		else {
		key = v.shift();
		if (key === 'PARAMETER') {
		key = v.shift();
		}
		if (v.length === 1) {
		if (Array.isArray(v[0])) {
		obj[key] = {};
		fromLisp(v[0], obj[key]);
		}
		else {
		obj[key] = v[0];
		}
		}
		else if (!v.length) {
		obj[key] = true;
		}
		else if (key === 'TOWGS84') {
		obj[key] = v;
		}
		else {
		obj[key] = {};
		if (['UNIT', 'PRIMEM', 'VERT_DATUM'].indexOf(key) > -1) {
		obj[key] = {
		name: v[0],
		convert: v[1]
		};
		if (v.length === 3) {
		obj[key].auth = v[2];
		}
		}
		else if (key === 'SPHEROID') {
		obj[key] = {
		name: v[0],
		a: v[1],
		rf: v[2]
		};
		if (v.length === 4) {
		obj[key].auth = v[3];
		}
		}
		else if (['GEOGCS', 'GEOCCS', 'DATUM', 'VERT_CS', 'COMPD_CS', 'LOCAL_CS', 'FITTED_CS', 'LOCAL_DATUM'].indexOf(key) > -1) {
		v[0] = ['name', v[0]];
		mapit(obj, key, v);
		}
		else if (v.every(function(aa) {
		return Array.isArray(aa);
		})) {
		mapit(obj, key, v);
		}
		else {
		fromLisp(v, obj[key]);
		}
		}
		}
		}
		return function(wkt, self) {
		var lisp = JSON.parse(("," + wkt).replace(/\,([A-Z_]+?)(\[)/g, ',["$1",').slice(1).replace(/\,([A-Z_]+?)\]/g, ',"$1"]'));
		var type = lisp.shift();
		var name = lisp.shift();
		lisp.unshift(['name', name]);
		lisp.unshift(['type', type]);
		lisp.unshift('output');
		var obj = {};
		fromLisp(lisp, obj);
		if(obj.output.type === 'GEOGCS'){
		obj.output.projName = 'longlat';
		}
		obj.output.srsCode = obj.output.name;
		return extend(self,obj.output);
		};
		});
		No newline at end of file