How do I calculate the drivetime using Google map polygon?

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Hi, I am trying to calculate drivetime from the polygon. The scenario is this I generate a polygon based on specific location lat and LNG and drivetime. After that, the user is allowed to modify the polygon based on which drivetime should be adjusted according to the updated polygon.

What I have tried:

I have tried to use Google API, but they all required origin, destination and polygon coordinates so I think the drivetime would be calculated based on from origin to destination and not what I need. I tried StackOverflow posts but they are all creating polygons using drivetime but I need the opposite of that.

Posted 7-Jun-23 9:15am

Maisum Abbas

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[no name] 7-Jun-23 19:49pm

If is says "polygon", it means it's not a straight route, and you have to add each "leg" of the trip to get the total distance (a leg is the distance from one point to the next). Then you can start thinking about time. (average speed and "overhead").

Maisum Abbas 8-Jun-23 8:12am

For now I am thinking of calculating drivetime for each vertex with the origin. And then I will take an average of that.

[no name] 8-Jun-23 8:49am

Instead of passing a "polygon", iterate, and pass "point pairs". That way you get individual distances.

Maisum Abbas 8-Jun-23 8:58am

Do you think that one of these methods would give us a satisfactory distance through which I would calculate a drivetime based on average speed let's let say 60.

[no name] 8-Jun-23 9:20am

No other calcs needed. Just pass a "leg at a time" (2 points); Google then gives the distance you want for each leg.

Maisum Abbas 8-Jun-23 9:47am

Yes, that's what I am saying, and since I need time not distance, so I will need to calculate that, and multiple points so need to take average in the end

Afzaal Ahmad Zeeshan 8-Jun-23 7:01am

Often, Google Maps provides the total drive time for the route. Why do you want to calculate it yourself? :-)

Maisum Abbas 8-Jun-23 8:11am

I tried but didn't find any such API, the only ones I found was from start point to end point with or without waypoints, but nothing else. If you do know any API or solution, please do let me know

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