google-directions-api – Make Me Engineer

How to decode the Google Directions API polylines field into lat long points in Objective-C for iPhone?

June 12, 2023 by Tarik

I hope it’s not against the rules to link to my own blog post if it’s relevant to the question, but I’ve solved this problem in the past. Stand-alone answer from linked post: @implementation MKPolyline (MKPolyline_EncodedString) + (MKPolyline *)polylineWithEncodedString:(NSString *)encodedString { const char *bytes = [encodedString UTF8String]; NSUInteger length = [encodedString lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; NSUInteger idx = … Read more

Change Google map marker orientation according path direction

May 13, 2023 by Tarik

One option is to translate your icon to SVG then use the Symbol rotation property to align it with the road (you can do the same with a PNG image by either making a large number of copies of the icon rotated by a degree or two, or by making a custom icon that allows … Read more

Exceed 23 waypoint per request limit on Google Directions API (Business/Work level)

July 26, 2022 by Tarik

function initMap() { var service = new google.maps.DirectionsService; var map = new google.maps.Map(document.getElementById(‘map’)); // list of points var stations = [ {lat: 48.9812840, lng: 21.2171920, name: ‘Station 1’}, {lat: 48.9832841, lng: 21.2176398, name: ‘Station 2’}, {lat: 48.9856443, lng: 21.2209088, name: ‘Station 3’}, {lat: 48.9861461, lng: 21.2261563, name: ‘Station 4’}, {lat: 48.9874682, lng: 21.2294855, name: ‘Station … Read more