Draw Polygons on Google Maps

[anasya...@gmail.com]

I want my users to draw polygons on google maps but I want dynamic polygons with hovering the moused

[Rob]

This is certainly possible, but I would not recommend it, for the simple reason that many thousands of points could be generated in this way in just a couple of seconds.

You could use something like this (not tested) :

var aPolyPts = [];    // Global
var userDrawnPoly = new google.maps.Polyline();   // Global

google.maps.event.addListener(map, "mousemove", function(event) {
                    var pos = event.latLng;
                    //var lat = pos.lat();
                    //var lng = pos.lng();
                    aPolyPts.push(pos);
                    userDrawnPoly.setPath(aPolyPts);
                    userDrawnPoly.setMap(map);
});

Ideally, you would want to slow down the rate at which points are added to the polygon, either by placing a setTimeout() in the listener code or, better, not to use mousemove listener at all, but rather a click or rightclick listener so that points are only added to the polyline when the user clicks (or right-clicks) on the map.

HTH,
Rob

[Estevão Soberano]

What do you mean with dynamic polygons?

[ciia...@gmail.com]

Hello, I want save multiples poligon in database but separately someone have do it? or exits a pre-made script js/php??

[Andrew Leach]

Please start a new thread for a new topic; don't reply to someone else's query with a question of your own.

A new topic will give you the chance to supply some more details. How many polygons? How many points? Do you have the coordinates, or the encoded line? What database do you have? Is it a spatially-capable one?

On Thu, 18 Jan 2018, at 13:50, ciia...@gmail.com wrote:

Hello, I want save multiples poligon in database but separately someone have do it? or exits a pre-made script js/php??

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