For example if coordinates are 17.12345678, -82.12345678, and I want to convert them to 3 decimal digits.
Expected result: 17.123, -82.123
Is there any API in OpenLayers 2 to truncate coordinates (LonLat) to decimal precision?
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Your meaning is unclear. Do you really want to snap vertices to the nearest degree?– VinceCommented Dec 20, 2018 at 11:30
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if coordinates are 17.12345678, -82.12345678, For eg. If I want to convert them to 3 decimal digits, Expected result: 17.123, -82.123 Is there any api in openLayers 2 to achieve this?– Gunasekaran SPCommented Dec 21, 2018 at 6:00
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1 Answer
If you are referring to the LonLat object you could define your own method
OpenLayers.LonLat.prototype.truncate = function(digits) {
var pow = Math.pow(10, digits);
return new OpenLayers.LonLat(Math.round(this.lon * pow)/pow, Math.round(this.lat * pow)/pow);
}
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Thanks! So I presume there is no built-in api in OpenLayers 2 Commented Dec 21, 2018 at 9:43