An object used to indicate a position, place, or route

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1answer
142 views

Create tiles given images and locations; convert markers to tiles

What I need I need to convert a list of markers to a tile layer I've been googleing without success how to do this. Anyone has faced this problem and has a nice easy solution? Why I need it I've ...
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1answer
603 views

Creating markers(vectors) in openlayers

I'm new to OpenLayers,currently in existing project they have created markers in openlayers map by using following code, // vector layer creation vLayer = new OpenLayers.Layer.Vector(layerName, { ...
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1answer
1k views

OpenLayers : How to make a marker fixed [duplicate]

Possible Duplicate: How to skip drag event to stop a feature being dragged I've created a map and added markers to baselayer on click by using this code : vectorLayer = new ...
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1answer
1k views

Offset Google markers at the same address

What can I incorporate into my current code below to offset markers, as markers at the same address don't show. Here's example http://www.mediwales.com/mapping/test UPDATE: I've changed the way the ...
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1answer
2k views

OpenLayers - How to display selected features as graphic markers?

I'm attempting to render a point feature as a graphic. When that feature is selected I'd like to display a green indicator above the graphic. It seems backgroundGraphic and externalGraphic are ...
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1answer
459 views

Markers not displayed in xhtml in OpenLayers

I just started working with OpenLayers because I want to include a map on my JSF page (.xhtml files). I want to use the same feature that is demonstrated in this example: ...
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2answers
593 views

Java GIS framework with custom shaped markers

I am completely new to GIS theme and I found this board so I hope I can get good advices from experienced users. I need to find an open-source Java framework/library/api that would generate an map ...
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1answer
623 views

How to color markers based on polygon area?

I have a map with around 317 markers and each marker is the center point of a polygon. The polygonal area varies throughout, so I want to represent the markers in such a way that the polygon with the ...
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0answers
102 views

Finding and selecting locations in database near 10 km distance from path

In the Google Maps API, I have this Javascript. It is finding and showing user the shorter path between two cities. <!--////// \\\\\\\--> <style> #panel { position: ...
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0answers
119 views

Setting the correct zoom level from Sector bounds for flat map using WorldWind SDK

This is not coming out correct for me. Setting the zoom level based on some other code I got on here using the EarthFlat model, which does not set the correct zoom for the placemarks within a sector ...
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0answers
80 views

Creating a marker proportionally offset along a line in QGIS 2.4 when re-projecting

One of the nice new features in QGIS 2.4 is to be able to offset markers (e.g. arrow heads) along a line as part of the styling. I am trying to display a dataset of simple lines (not polylines) with ...
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0answers
81 views

Display followers count on Google maps using R

How can I plot the count of followers, locations wise on google maps - Im using R language my data is as below: for(i in 1:25){print(friends_obj[[i]]$location)} [1] "London & Glasgow/Edinburgh, ...
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270 views

Refresh leaflet marker data in place ? (on insert to sql db)

I have a form that sends data via ajax to be geocoded and inserted into a mysql db. Once that data is there, can I force the marker layer to refresh so that it displays the new data? The SQL API ...
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0answers
133 views

Extending “How to add complex Emergency Symbology (TrueType fonts) to QGIS?”

I have used the technique as outlined in How to add complex Emergency Symbology (TrueType fonts) to QGIS? but have run into some difficulty. I have used this technique for a map of water assets that ...
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2answers
1k views

Drawing aerial routes for flights on Google Maps API between two markers?

I have been drawing route till now using DirectionService. But now my current requirement is to draw a route on air.I did some research and found this link which helps us to draw curved polylines ...
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0answers
189 views

Prevent OpenLayers ClickEvent from firing on Popup closeButton

My Code to add popups as selectControl to a Layer. Works fine! map.addLayer(window.markerLayer); // SelectControl für Marker --> Popup window.selectControl = new ...
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1answer
260 views

Buffer along a route

I'm using Googlemaps service to plot some marker on the map. All markers are stored in a postgresql table, named "locations" and that has a location column (data type to geometry). When the user ...
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0answers
626 views

Leaflet's worldCopyJump breaks map, zooming fixes it up (updated)

I had my map working with worldCopyJump set to true, but then it stopped working. I'm not sure exactly what broke it (the original form of this question said there was a connection to a plugin, but ...
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0answers
82 views

Changing kml marker in esri javascript api

I can load my kml file but I want to be able to define a marker for my points. I can't find anywhere in the api which allows me to define the marker. How can you define your own marker using a kml ...
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0answers
66 views

how to use ArcGIS cloud hosted map with custom data from mysql

I have map hosted on ArcGIS.com which I can use and embed in my webpage. I have few tables with latitude-longitude in mysql. is there anyway I can add it as marker overlay layer on map taken from ...
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2answers
303 views

Dynamically Reload OpenLayers Marker Layer based on user input

Not really sure how to ask this, so I'll outline the scenario. We have a database with locations in it. There are various types of cars at each location and each car has a problem of varying ...
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0answers
471 views

Leaflet markers do not open popup on click (with markerclusterer)

I just started using Leaflet and Marker Clusterer to organize the markers. Problem #1: When an unclustered marker is clicked, no popup appears. Problem #2: When a cluster is clicked several times, ...
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0answers
228 views

How to add text for markers not icon

I have a Open Layers map project where I currently add dynamic markers based on a query but I really want to show some text instead of the marker icon. Is there a way I can either render some text to ...
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1answer
4k views

Google Maps MarkerClusterer - Remove all clusters

So, I have a PostGreSQL DB with 317 datapoints - all spatially enabled through PostGIS. I have queried this using PHP as GeoJSON and overlaid it on Google Maps (using a converting routine). I have ...
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2answers
326 views

Change marker color based on GeoJSON filter in Leaftlet

This is what I would like to do: Display all features of a GeoJSON file using Leaflet. Provide a text box where a property can be entered, if any of the GeoJSON properties match with what is entered ...
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1answer
1k views

How to add event listener to many markers on the map?

How can I add an event listener to many markers on the map? I know how to add an event listener to a single marker say: var marker = L.marker(...); marker.on('dragend',function(){...}); So, how can ...
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1answer
1k views

Not showing multiple markers on OpenLayers

I want to show multiple markers on my Google map with OpenLayers. Below is my code : for (var pointcount = 0; pointcount < jsonObj.length; pointcount++) { if (jsonObj[pointcount].Long != null ...
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1answer
112 views

How can I create a button to add a POI layer?

I am making a map of a city with openlayers. I have the shapefile data of the POI (hospital,bank,school etc.) I want to add the layers with buttons not in layerswitcher. Like whereis.com's quick ...
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1answer
70 views

Style Manager in ArcMap

On my desktop PC, I am using Ministry of Transportation Ontario road shields to label major highways on my maps. I often need to work with a laptop when I'm visiting a client at their location, so I ...
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1answer
97 views

How to avoid Displacement of Marker Symbols with X-Offset

I'm trying to mimick a line symbol style that is comprised of the line and 2 alternating markers. I use an interval placement of 10 units for the 'blocks' (custom svg) and 5 for points, thus every ...
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1answer
604 views

Center (and add points too) a map with LonLat

I'm new to OpenLayers, so I'm sure this will be an easy win for someone :) I'm trying to center a map on a point (and place markers) using lon/lat but it appears to take everything as meters? ...
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2answers
1k views

OpenLayers: How do I keep a feature fixed while the map layer is moved (like in-car GPS displays)?

I am aiming to create something simple that works like a GPS navigation display, where the marker for 'you are here' is fixed while the map moves along. I have latitude and longitude coordinates ...
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1answer
745 views

Showing custom markers, shadows and popups from json data

The examples given in the documentation of Open Layers show very basic ways of utilising the different features. This example shows how to add shadows to the marker. This example shows how to create ...
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1answer
514 views

Is it possible to show markers from MySQL database with Javascript?

I'm interested if it's possible to show markers (latit, longit) from MySQL database with Javascript libraries like Leaflet?
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18 views

Enabling all layers by default using Leaflet?

I am using leaflet maps to compare heat layer and marker layer. I've an option to add multiple marker and heat layers dynamically. For me Heat layers are enabled by default as on when user adds new ...
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0answers
21 views

Preventing map panning to last drawn marker using Leaflet?

I have a basic Leaflet map where I need to draw several markers and lines on. How do I prevent the map from panning to the last drawn object? I've read about setting autopan : False for popups from ...
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1answer
168 views

JSON coordinates not showing on Open Layers 3

i hope you guys could help me. its been several days since it tried and failed on populating my markers using a json Method. Please point out where im making a mistake. Thanks. Below is my code: ...
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1answer
76 views

Openlayers selected feature unselecting on map zoom

I have createc a select control and a StyleMap that includes default marker and select marker. var mystyle = new OpenLayers.StyleMap({ "default": new OpenLayers.Style("null", { ...
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0answers
551 views

Smooth replay of gps points on google map

When first the google map is loaded we load data using php codes in the backend and draw a line connecting between each lat long. There after we check if the lat long point have some ...
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0answers
53 views

Is the geoxml3 javascript API compatible with the mapstraction API?

I am getting ready to revamp a google maps application and I was considering utilizing mapstraction. I am currently using all google maps js, with a kml layer overlay, but obviously by using the ...
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0answers
79 views

Getting placemarks on map and setting bounds based on all placemarks

I'm trying to do what most folks do in the Google Maps API, and add a bunch of markers to a WWPanel and then adjust the map bounds to fit all Placemarks in the WWPanel view. How can this be done? This ...
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2answers
2k views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
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0answers
38 views

Why my annotation markers are printed smaller?

I annotated one of my maps, for every annotation I set an svg marker whose dimension is either 6 or 8 mm. Everything looks fine in the main window. The problem arises when I try to print my map using ...
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1answer
206 views

Simplest way to display a new marker on a map already displayed?

Could someone provide an example of the most dirt simple method to force a new marker to pop up based on a given lat/lng? I do not need js to write to my db, as that will be done server side; but I ...
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votes
1answer
2k views

How to show Label of a new feature Layer in Openlayers…?

I have created a dynamic new feature layer along with a marker using openlayers with popups, but, I want to show labels for each new feature created... Below is the code I used... //To add new ...
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votes
1answer
3k views

Updating position for a list of markers

I am working with Google Maps. Specifically, I am working with http://hpneo.github.io/gmaps for a gps tracker simulation, here I need to update the position on each point. At the gmaps script, ...
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0answers
259 views

OpenLayers.Layer.Markers Does not works with Google maps

Hello I am currently Testing OpenLayers, but I have a problem with the markers, the markers that I add with OpenLayers does not work with google maps, all marks appear in the center of the map, not ...
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0answers
224 views

Can you insert a marker symbol at a specific scale?

I have a map that is consistently used at a 1:500 scale. I want to be able to add structures to the map to view and move them around to get the best fit. The end user is new to GIS and I am trying to ...
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1answer
538 views

Geomajas: How do I add context menu on a map marker

I'm evaluation Geomajas. Apparently, there's very little info on this framework across the Internet. I've managed to create a context menu for the map (the menu that appears when you right click on ...
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1answer
495 views

How to add multiple markers on map and popup different information using OpenLayers? [closed]

Can anybody give me some examples of adding multiple markers on the map?