Re: [polymer-dev] Re: google-map and google.maps.LatLng

[Eric Bidelman]

Yep. That insures the Maps API is loaded before you  start using it.

On Sat, Nov 14, 2015, 5:38 AM Hans Dulimarta <hans.du...@gmail.com> wrote:

I think I found the answer to my own question. I have to wait for the 'google-map-ready' event:

<template>

  <google-map ..... on-google-map-ready="_apisloaded"></google-map>

  <script>

    ....

    _apisloaded:function() {

       ____ = new.google.LatLng (...., ....); /* this works */

    }

  </script>

</template>

On Saturday, November 14, 2015 at 8:04:03 AM UTC-5, Hans Dulimarta wrote:

I am trying to use google.maps.visualization.HeatmapLayer in a polymer element that includes <google-map> by every I tried to create a new map object

<link rel="import" href="../../bower_components/polymer/polymer.html>

<link rel="import" href="../../bower_components/google-map/google-map.html>

<dom-module is="heat-map">

  <template>

    <google-map longitude="...." latitude="..."></google-map>

  </tempalate>

  <script>

    Polymer({is:"heat-map",

      ready: function() {

         var cpos = new google.maps.LatLng (....., .....);

         var hmap = new google.maps.visualization.HeatmapLayer(.....);

      }

    );

  </script>

</dom-module>

I always get the error "google" (in undefined) at the lines new.google.maps......

What I'd like to do is actually to extend my heat-map from google-map:

<dom-module is="heat-map" extends="google-map">

</dom-module>

but the online documentation states that (currently) we can extend only native HTML elements.

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