Questions tagged [google-maps]

Google Maps is a web mapping service application and technology provided by Google free (for non-commercial use),

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Converting projected coordinates to google maps pixels [closed]

I have a single polygon in a local projection system. I would like to convert that polygon into an image that can be used as an overlay on google maps. I understand that it may be better to use ...
3
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1answer
55k views

How do I determine if a road is privately owned or not? (USA)

I'm working on a project where it matters greatly whether or not a piece of land is on a private road. Google Maps in many cases takes private roads (for example in master-planned subdivisions) and ...
3
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1answer
3k views

Transforming between epsg:3857 and Google Maps Tile coordinates

Hio, I used to use a simple python project (https://github.com/hrldcpr/mercator.py) to convert between wgs84 and google maps tile coordinates. This project doesn't have a license, and looks like it ...
2
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1answer
1k views

How to unproject coordinates on a Google map with Openlayers?

Below is my code and a pic. When I finish making my circle on a Google map with Openlayers, I get the following coordinates but I want coordinates like E.G: bottom: -27.762124575762 left: 25....
2
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3answers
10k views

Interpolate points between coordinates for smooth animation in google maps or openmap

I have an application where we want to create an animated route based on recorded points. I have an example that use the google maps driving directions, however, we already have points and they are ...
2
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1answer
3k views

How to insert google maps lat/lng into postgis in geometry datatype

I came across: https://developers.google.com/maps/articles/phpsqlinfo_v3 I've changed the code a bit and all process is well done for postgis database. I get the data from infobox when user clicked. ....
2
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1answer
1k views

How do I embed a KML map using the “new” Google Maps?

I have a KML link that I can use to generate an embedded Google Map using "old" Google Maps and would like to use it instead to create a "new" Google Map embedding. To generate the an "old" embedding,...
2
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1answer
1k views

Application for online overlay images on Google Maps

I want to develop javascript app which will take any image user uploads, user will click on 3-4 points on the image (3-4 cities, for example NY, Chicago, LA and Miami) and image will be overlayed on ...
2
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3answers
3k views

QGIS 3.0 XYZ Tile 'OpenStreetMap' Text is Too Small to See

I installed QGIS 3.0 (standalone 64 bit installer) and added the standard XYX Tile layer 'OpenStreetMap' that was part of the install. It loads fine except the text is too small to see. Not sure if ...
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0answers
869 views

Overlaying Google Map in standalone PyQgis application? [closed]

I have created a standalone PyQGIS app (within Python itself, not a plugin) with PyQt and PyQGIS API. It generates my map really well. I would like to overlay a Google Map layer as base map just like ...
1
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1answer
1k views

Google Maps layer on OpenScales

I'm using OpenScales in a web mapping project, and I would like to add a Google Maps layer. I know that there's some licence problems, but I don't care for these licence issues, I'm looking to add ...
1
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1answer
3k views

Order of KML Layers in Google Maps API V3

I'm working on a website that when finished will allow the user to turn on and off a number of different KML layers using checkboxes, the layers are parsed through geoXML3 and I want to know how to ...
1
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1answer
1k views

How do I convert ESRI X,Y to Lat, Long for Google Maps?

I've downloaded the data from NYC Parking regulation. I want to plot that on Google Maps. I use http://www.shpescape.com/ft/ to convert to Google Fusion Maps but the data is in X,Y coordinates instead ...
7
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1answer
1k views

What are the benefits of normalizing longitude to [-180, 180)?

In the Google Maps API v2 for Android, LatLng normalizes longitude values to the range -180 degrees inclusive to +180 degrees exclusive. Consequently, attempting to represent the entire world as a ...
5
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2answers
11k views

How can I display this polygon in Google Maps, properly

NOTE: this question is sorta like a follow-on question to this original GIS Question I asked. In that question, the main suggestion was that I was trying to show two polys. Now, I'm asking about a ...
4
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1answer
1k views

Generating polygons with streets as borders using QGIS?

I have searched online for almost a week and can not find an answer to my issue. I need to generate polygons from street borders in a given city. I have downloaded data from openstreetmaps and ...
4
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1answer
2k views

How to place markers on the outline of a circle in google maps?

I have the center of a circle and it's radius and I need to place variable amount of markers on the outline/stroke of the circle. The distance between this markers should kept same, so if I have 8 ...
3
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1answer
3k views

What projection to use for Google Maps?

I'm loading a WMS layer which comes in WGS84 into Google Maps. From what I've read so far, I should reproject this layer to Google Pseudo Mercator (either 3857/900913). However, when I save the layer ...
3
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1answer
591 views

Conversion from Namibian Coordinates to Google Maps (WGS84)

I have coordinates in Namibia, but don't know how to convert them to use them in Google Maps. The system is Lo22/19°. Then Y: +55 435,89 X: -498 157,28 Can anyone help with a conversion?
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2answers
1k views

Seeking free map icons sets? [duplicate]

Which is the best source of free map icons (royalty free & price free)? I need an icon set for my Google Maps project that will give it a custom feel. Ideally I want an icon set with a creative ...
3
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3answers
3k views

Simplifying Shapefile using ArcGIS Desktop or alternative?

I have a shapefile that contains neighborhood boundaries that I want to simplify. Right now I am thinking of converting the shapefile to Google maps KML so I can insert the boundaries into the map as ...
3
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1answer
2k views

Pan & Change Zoom to show Fusion Tables Query Results in Google Maps JavaScript API V3

I've created this map -- https://s3.amazonaws.com/pdb.files/lookup_auto2.html -- using Google Fusion Tables and Google Maps API. I'm attempting to modify the code so that the map will pan and zoom ...
2
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1answer
3k views

Multiple response from nominatim service call (Geocoding) in openstreetMap

I am using OpenStreeMap with Google as layer, and for geocoding , nominatim service. Below, is my code. $.ajax({ url: "http://nominatim.openstreetmap.org/search?q=" + address + &format=json&...
2
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2answers
1k views

Overlaying Raster image with Google Maps in OpenLayers3

I am trying to overlay Google Maps with a raster image layer in Openlayers3 and am new to this. Can anyone help by providing the steps involved in performing this task?
2
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2answers
1k views

What is the significance of 591657550.5 as it relates to google maps scaling factor?

According to this gis stackexchange answer and this stackoverflow question the scale ratio for google maps at any given zoom level is 591657550.500000 / 2^(level-1). That's not the circumference of ...
2
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1answer
4k views

How to apply weight to Google heatmap?

I am trying to plot a Google heatmap based on the JSON objects returned. Here is my JavaScript: function getHeatMap() { heatLayer = new HeatmapLayer({ config: { "useLocalMaximum": true, "...
2
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2answers
3k views

Converting google map api coordinates into meters

How would I go about converting the results of my map bounding box into meters within javascript? For example, if I have the coordinates 51.52366625446907, -0.07467269897460938 decimal degrees, can I ...
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2answers
2k views

Shapefiles for real world places [duplicate]

Possible Duplicate: Are there any free administrative boundaries available as shapefiles? This is a follow up to my previous question How to highlight the area in google map on mouse hover. In my ...
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2answers
1k views

Custom UMN Mapserver WMS layer over Google API

I am using Google maps for my application. For getting some custom private map data, I have set up a WMS using Mapserver. How can I add this Custom UMN Mapserver WMS layer over Google API (without ...
1
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1answer
139 views

Shapefile is shifted after exporting [duplicate]

I used Google Maps as a basemap. In Map Composer window it is showing in the correct location in QGIS, but when I try to export it, it is shifted.
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2answers
658 views

Convert ETRS89_Portugal_TM06 coordinate to Google Map Coordinate

I am trying convert an coordinate (point = {-26841,7714704367;42953,3965652831}) from shapefile with follow prj file: PROJCS["ETRS89_Portugal_TM06",GEOGCS["GCS_ETRS_1989",DATUM["D_ETRS_1989",...
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4answers
4k views

How do I stop the map at just one world/globe?

I am working on a project to put google maps layer and adding our data layers on top of it. using openlayers and google maps layer with out layer of top of it now the google layer has max resolution ...
1
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1answer
2k views

how to get the boundaries of a city in KML from google maps

im trying to write a google maps application. and i wanted to only highlight one city in the world ( im using the masking method explained: https://github.com/vasile/geomask) but now im bugged with ...
1
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1answer
575 views

Offline map with less zoom size and maximum area covered

I am developing a mobile app for which an offline map is required. Is it possible to have such map within few 10s of MBs? The requirement is to have: Map with smaller zoom size; e.g. In this URL of ...
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3answers
485 views

Creating map-based online questionnaire/survey? [closed]

I am planning to create map-based online questionnair/survey for my master dissertation on bicyle safety. What I want to do is, asking my potential respondants to mark their answers by adding pins/...
1
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3answers
1k views

How to display clickable features from Geoserver over Google Maps v3 Base?

Please forgive what I am sure is a very noob question, but I need to do some research into the best way to achieve this and I am a beginner to GIS. My employer has a Geoserver instance set up which ...
1
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2answers
3k views

How to create/obtain district data for Singapore? [closed]

I am newbie in GIS and have started using QGIS. I am hoping to map all districts of Singapore and create a Shapefile and get GeoJSON details for all districts. I am not able to find that currently. ...
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2answers
2k views

Turning addresses into GPS coordinates into delivery route?

I have a list of locations (prospects I need to meet) I have to drive to, and I'd like to use either Google Maps or Open Street View to build an optimized route. Are there tools that can take a CSV ...
1
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2answers
416 views

How do I use a layer of Bing / Google a “WebApplication” in “ArcGIS Server Manager”?

I'm using "ArcGIS Server." I want to publish a "WebApplication". I created a map of my city. I want to have as the background world map with satellite images of "BingMaps" or "GoogleMaps" or "ArcGIS ...
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0answers
824 views

Why ol3 google maps is blurred?

I'm developing an application using GeoExt 3(Openlayers 3.15.0 and Extjs 6.0.2). I want to use Google map as base layer using ol3 google maps. I add ol3 google maps to my project as follow: index....
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1answer
495 views

Show KML from variable instead of URL

I am trying to add a layer from KML variable instead of URL due to the current circumstances that force me to. I am using OpenLayers 2.13.1, Chrome, Visual Studio and .NET. I have read the following ...
1
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0answers
2k views

Why Haversine formula and Web Mercator give different length between two latlng points?

I am calculating the distance between two points given by latlng. However, Google Maps (i.e., web mercator projection) gives me a longer distance than Haversine formula. Which is the most accurate ...
0
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1answer
75 views

How to identify in googlemaps with below data [duplicate]

How to draw polygon in google maps with below point data?It should be plot in India Andhrapadesh startpoint endpoint startpoin xpos , Ypos endpoint xpos,ypos _0 _2 713.955, 1068....
0
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1answer
15k views

Adding Google map layer in Openlayers - what about this function?

How to add Google map as a layer (something like "var gmap = new OpenLayers.Layer.Google("Google Streets", {visibility: false})"?) to this mymap.js function i already have: var map = new OpenLayers....
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2answers
4k views

Leaflet : How to update polyline ? Live Tracking

var ColorVar = '#bd0026'; var firstpolyline = new L.Polyline(polyList, { color:ColorVar, weight: 8, opacity:0.8, smoothFactor: 1 } ); ...
0
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1answer
1k views

Any example for Google like the Bing OpenLayers examples?

I would like to restrict zoom levels in OpenLayers for a Google Map. A Bing example shows how to limit the extent of the Bing tiles: var road3 = new OpenLayers.Layer.Bing({ name: "Road tiles ...
0
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1answer
8k views

How to reduce the opacity of a Google Maps layer in CartoDB.js

I have a CartoDB.js-App where I load my vis using cartodb.createVis (I do not manually define Leaflet layers). How can I reduce the opacity of the Google Maps base layer? I tried the following, as ...
0
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1answer
3k views

Draw a polygon automatically through markers (points) in google maps

I have a difficult situation, I'm trying to draw a polygon through markers (points), what I need is for the polygon to be drawn automatically after tracing the points. The problem is that most of the ...
0
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4answers
7k views

How to plot a point on a static Google map [png]?

http://maps.googleapis.com/maps/api/staticmap?center=Brooklyn+Bridge,New+York,NY&zoom=13&size=600x300&maptype=roadmap&markers=color:blue%7Clabel:S%7C40.702147,-74.015794&markers=...
0
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1answer
46 views

Imaginary line on the Earth is straight or not?

I was watching Google map. Saw a line which is joinging north to south pole. It is going between middle of China and Mexico. But, the line is not straight. Tried to search in net but not able to get ...