google-maps-api-3

问题 I am trying to plot Polyline between 4 GPS coordinates using react-google-maps library. Nothing is rendering on the map import React from 'react'; import { withGoogleMap, GoogleMap, Marker, InfoWindow,Polyline } from 'react-google-maps'; class googleMapComponent extends React.Component { //Higher order components: withGoogleMap is employed as a function call. This fucntion returns another component defination which is later mounted in render // maintain a refernce to a map inside the

问题 I am trying to plot Polyline between 4 GPS coordinates using react-google-maps library. Nothing is rendering on the map import React from 'react'; import { withGoogleMap, GoogleMap, Marker, InfoWindow,Polyline } from 'react-google-maps'; class googleMapComponent extends React.Component { //Higher order components: withGoogleMap is employed as a function call. This fucntion returns another component defination which is later mounted in render // maintain a refernce to a map inside the

问题 I am trying to plot Polyline between 4 GPS coordinates using react-google-maps library. Nothing is rendering on the map import React from 'react'; import { withGoogleMap, GoogleMap, Marker, InfoWindow,Polyline } from 'react-google-maps'; class googleMapComponent extends React.Component { //Higher order components: withGoogleMap is employed as a function call. This fucntion returns another component defination which is later mounted in render // maintain a refernce to a map inside the

问题 I am trying to make my google maps transparent. I have managed to changed the opacity of the map tiles (markers are also transparent but I need to sort that out later).I wanted to add a gradient to the that would look like folds in the page and then have the transparent maps overlaying it so it looks fold lines in a map. I noticed that google is adding a background color to the div containing the maps... a slight obstical in my plan. I tried targeting the div with jquery to set the background

问题 I am trying to make my google maps transparent. I have managed to changed the opacity of the map tiles (markers are also transparent but I need to sort that out later).I wanted to add a gradient to the that would look like folds in the page and then have the transparent maps overlaying it so it looks fold lines in a map. I noticed that google is adding a background color to the div containing the maps... a slight obstical in my plan. I tried targeting the div with jquery to set the background

问题 I am trying to create a weighted heat map for my android app project. I had a look at the google documentation for it. I don't understand how to create a new gradient using colors array and starting points array. The starting array is denoted as The starting point for each color, given as a percentage of the maximum intensity. What does it mean? How to relate color array with starting point array? int[] colors = { Color.GREEN, // green(0-50) Color.YELLOW, // yellow(51-100) Color.rgb(255,165,0

问题 I tried to add some listeners for Info Window like: //works google.maps.event.addListener(markerInfoWindow, "closeclick", function() { console.log('trigger close'); }); //doesn't work google.maps.event.addListener(markerInfoWindow, "click", function() { console.log('trigger close'); }); Is there a list of events for infoWindow in documentation I missed or is there another way to make things done? Actually the probles is that I want to create an event listener to close infoWindow on mouseout

问题 I tried to add some listeners for Info Window like: //works google.maps.event.addListener(markerInfoWindow, "closeclick", function() { console.log('trigger close'); }); //doesn't work google.maps.event.addListener(markerInfoWindow, "click", function() { console.log('trigger close'); }); Is there a list of events for infoWindow in documentation I missed or is there another way to make things done? Actually the probles is that I want to create an event listener to close infoWindow on mouseout

问题 I am using the google maps API and I am displaying polygons on a map using a GeoJSON file. When the user presses inside the polygon, I would like an InfoWindow to appear and display data that is stored in the properties. Seems easy enough but when I am clicking on the polygons, nothing is popping up. Can anyone explain what I am doing wrong? Below is what I am currently attempting: map.data.loadGeoJson('plant_bounds_2011.json'); map.data.setStyle({ fillColor: 'red', strokeWeight: 1 }); var

问题 I've put together a map with clusters. The idea was that cluster's color should depend on the color of markers inside: if there is a red marker, cluster is red; no red, but there is a yellow marker, cluster is yellow; no red and yellow markers, cluster is blue. This only works as expected at specific zoom levels. Fully zoomed out it shows blue cluster, however there are red markers in there, so I expect a red cluster. When I start to zoom in and the map shows multiple clusters, most look