| 1 | function isUTM(projection) {
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| 2 | const projstr = projection.toString();
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| 3 |
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| 4 | const replaced = projstr.replace("EPSG:", "");
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| 5 |
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| 6 | if (replaced.startsWith("326") || replaced.startsWith("327")) {
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| 7 | return true;
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| 8 | }
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| 9 |
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| 10 | const sorted = projstr.split(" ").sort().join(" ");
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| 11 |
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| 12 | if (sorted.match(/^\+datum=WGS84 \+ellps=WGS84 \+no_defs \+proj=utm( \+south)? \+units=m \+zone=\d{1,2}$/)) {
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| 13 | return true;
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| 14 | }
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| 15 |
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| 16 | return false;
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| 17 | }
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| 18 |
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| 19 | if (typeof define === "function" && define.amd) {
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| 20 | define(function () {
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| 21 | return isUTM;
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| 22 | });
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| 23 | }
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| 24 |
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| 25 | if (typeof module === "object") {
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| 26 | module.exports = isUTM;
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| 27 | module.exports.default = isUTM;
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| 28 | }
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