JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.

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55 views

Unable to find all points in extent area using ArcGIS API for JavaScript?

I am trying to create a map where I can draw a selection area, and get info of all graphic pointers under it, I tried to modify ArcGis example but the problem now is that I can only able to select ...
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1answer
182 views

Leaflet Opacity Control Using Slider For Bootstrap

I am attempting to use the Slider For Bootstrap to update the opacity of a layer within Leaflet. The slider also needs to be in a Bootstrap Popup but this part is working. As per this JSFiddle you ...
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0answers
38 views

Making a ajax JSONP call to get the WFS features from Geoserver [closed]

I am Working on a GIS application. Technology working on Geoserver and Openlayers 3.5.0 for this application. I am not able to make a JSON request call to the WFS endpoint. If i make a JSON request, ...
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1answer
41 views

How to create a circle in openlayers 3?

I have tried to create a circle of desired range using following code but not working. Please guide me. function createBuffer(lat, lon, range) { var style = new ol.style.Style({ fill : new ...
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0answers
108 views

Has API been written for SpatiaLite for Cordova?

I am creating an app in which I will be creating an AutoCAD model for a 3 floor building at my college. I'll be importing this model as a spatial object into my javascript app - then wrap it with ...
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0answers
25 views

How to draw traffic line in small two-way street like google traffic?

I am making an app with some function same as a traffic map. But I have been stuck with below problem for weeks I have used the "Snap to roads" method to match GPS data from mobile device to road ...
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1answer
54 views

Access ArcGIS map created on localhost using JavaScript

I've created an ArcGIS map on my local ArcGIS map server using ArcMap desktop and I am able to open up the map from "View In: ArcGIS Online map viewer". When viewing the map, the url is something ...
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1answer
482 views

why can't I load a layers list to select from to the map in openLayers 3, addEventListener and attachEvent are unavailable

I've tried to incorporate this sample that shows how to switch base layers into a page I am working on: http://openlayers.org/en/v3.10.1/examples/bing-maps.html When I try to load my page with the ...
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1answer
225 views

Preserving style when producing web maps with the QGIS qgis2web plugin

I used the qgis2web plugin to generate a set of static HTML files out of my QGIS project. This is how my layers look in QGIS: So, there is only one layer of points and a basemap. Very easily I ...
4
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1answer
88 views

GeoJSON Layer Order In Leaflet 0.7.5

I am developing a web application that brings in a number of tileLayers and geoJSON layers. For the tile layers I have been able to do similar to this JSFiddle in that the layers appear depening on ...
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1answer
44 views

Visitors to city's website can digitize points? [duplicate]

I'm trying to collect input on a revision to my town's mainstreet. Is it possible to create a map where a visitor can click a point, and answer a few questions about that point? (OK I was told that ...
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1answer
47 views

Removing Google maps base layer from Google Maps API

I need to remove the base layer of google maps dynamically. User can add or remove the base layer.Because I am using more layer on top of it.Is there any function in google maps api to remove the ...
2
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1answer
77 views

OpenLayers 3.10 - GetIndex / SetIndex

I am a complete beginner to OpenLayers and webmapping in general. I am trying to change the layers' order of my map by modifying the layers' index value, but I cannot get my code to work. Any hint ...
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0answers
26 views

How to enter the parameters of a decimal number javascript to geoserver

I have some script HTML like this <input type="number" id = "distance" class="form-control" placeholder="Jarak Lokasi (meter)"> if I place a interger value, the result was showed the ...
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1answer
39 views

How to use openlayers 3 with epsg 32749

I want to set coordinates of my map in epsg 32749. var view = new ol.View({ center:ol.proj.transform([43037,9138591],'EPSG:32749','EPSG:900913'), zoom:10.8 }); var map = new ol.Map({ ...
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2answers
133 views

Applying a single leaflet search control to search multiple layers?

I am attempting to add a single search button to look through geoJSON layers. They will look through the field "name". Unfortunately, my method of creating a layer group is not working. What am I ...
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1answer
57 views

WFS from geosever very slow to load in openLayers3

I originally posted this question about trying to load a geoJSON with openLayers3: geojson very slow to load in openLayers3. Based on a suggestion given in the post I'm now loading the layer in as a ...
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1answer
27 views

Open layers3 drag box interaction not pointing correctly

I am using open layer 3.9.0. I Want to add and remove dragZoom and dragBox interactions in openlayers3 map dynamically. <button id='box'>dragBox</button> var dragBox = new ...
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1answer
73 views

Leaflet Search for GeoJSON creating duplicate, non-functional buttons

I added a plugin for searching a GeoJSON file in leaflet, but now there are multiple search buttons and they do not recognize any input. I suspect that it is initializing for every single instance of ...
2
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4answers
185 views

Display two generated tiles on one map using Openlayers

i have a multiple Geo-referenced tiff the Problem is : i want to display Two TMS layer on one map. in another way i want to display tow tailed tiff image in the same map like the picture bellow ...
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1answer
85 views

Set style from features of layer to hidden?

Is it possible to set the style to hidden of certain parts of a layer of the map? The API documentation does not seems to have any property for it? I tried to add the following: var locatusObject = ...
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1answer
50 views

Dojo Promise/All Array Not Populating InfoTemplate in ArcGIS Javascript

Using dojo/promise/all I'm attempting to populate an infoTemplate with results from a queryTask which runs later in the script. Our app returns an XY value from a geocoded address search and queries ...
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1answer
72 views

Clickable hyperlink from GeoJSON field in feature

How do I make a URL a hyperlink when the information is called from a GeoJSON field? I have tried adding html tags, but since the link is not in-line, it does not work. (Script below) LOC_Catalo is ...
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1answer
123 views

Activating Search Plugin with JS Leaflet

I am attempting to add the following plugin to search a GeoJSON file I have open in Leaflet Javascript: http://labs.easyblog.it/maps/leaflet-search/examples/geojson-layer.html I have brought in the ...
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1answer
74 views

Do all open source web mapping platforms require programming? [closed]

I currently use Earthlight by Statmap for my company's web mapping, however I don't like it very much and want to change to an open source product. I use QGIS and would like to use QGIS Server to put ...
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1answer
74 views

Leaflet Layer Visibility Checkbox

I have created this JSFiddle OpenLayers map that toggles the layers visibility using the bootstrap-switch. I am looking to achieve the same with leaflet but can't seem to get the equivalent of the ...
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0answers
92 views

Problem with my google map, place search with a text bar

I am doing a small project with google maps api, I am trying to locate all the interesting services around me. For example, i want to search "restaurant" then it will shows all the restaurant near me ...
2
votes
1answer
75 views

Polyline geometry to graphic - SimpleLineSymbol is the only type not displaying on the map

I have modified the Measurement widget to keep a session based history of the measurements the user has made. When a user clicks on a history item, it should display the geometry associated with that ...
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0answers
52 views

Changing tooltip layers with leaflet/mapbox

I'm a relative beginner with leaflet/mapbox but we are building a website with a set of different TileMill layers, each of which have different interactivity. We had been switching layers with ...
0
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0answers
32 views

How to get the directions of the co-ordinates in leaflet?

Now i'm working on the live tracking to track my vehicle.I want to get the directions to change the marker position based on the co-ordinates. I have using arrow icon for marker icon. I need to ...
2
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2answers
48 views

Leaflet - tell whether an object a layer or a group

I need to close popups on an object, but I don't know whether it is a layer or a geoJSON (and hence a feature group). If the former, I can do layer.closePopup(), but if the latter, I have to do ...
0
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0answers
15 views

Method to get the style value from the object class?

I have created a class Created a object to that class Need to Create method to generate the legend style from the configuration. Here is My Code Example, ntt = {}; ntt.pgp = ntt.pgp || {}; ...
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1answer
50 views

Problem with legends, leaflet

I am not very good at js and new with leaflet so i my code may be a bit messy but stil... I have a problem with my legends, i have 2 legends and many overlays and i want some legends to be "linked" ...
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0answers
20 views

Convert kml to image file programmatically

Is there anyway that we could change the kml file programmatically ? preferably using javascript or c# (I have sharpKMl library on my backend)? I am using javascript for my front end and c# for my ...
0
votes
1answer
19 views

Edit feature attribute in layer, which is made from a featureCollection ArcGIS JS

I know ArgGIS has a JS API to edit attributes of a layer when the layer is published as a feature service. But is there a way to edit attribute values if a layer is made from geoJSON as a ...
0
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0answers
18 views

Style manager configuration in openlayers 3

I am trying to the style from configuration and return My code is like this. qt = {}; qt.gpn = qt.gpn || {}; qt.gpn.StyleManager = function(opts) { this.styleConfig = { Polygon: { ...
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1answer
193 views

Bootstrap and Mapbox: Nav Bar layer selection

I am building an interactive mapping solution for my employer and have run into a bit of a hangup. I am working with bootstrap for the first time and cannot figure out how to link the dropdown list ...
0
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1answer
48 views

Multiple logical filters in a WFS request with OpenLayers 2.13.1

Is it possible, and if so how, to use multiple logical filters in a wfs request? For example I have a attribute, type_id that should be 1, 2 or 3. var wfsTypeFilters = [ new ...
0
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1answer
61 views

Open layer 3: Add a drop down select scale option.

In open layer 3.9.0 .I have default scale for open layer 3 but what user want is able to set the scale like 1:2000 or 1:5000 and so on using dropdown select box. something like the image below.
0
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0answers
22 views

Validate that Openlayers GeoJSON layer is in the correct format with OpenLayers.Protocol.HTTP call

I am completely new to JS and openlayers, i am trying to figure out a way to validate the received layer with the OpenLayers.Protocol.HTTP call. I want to validate that it is in the correct format ...
0
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0answers
86 views

ArcGIS Javascript API Search Widget Issue

I am having an issue with the ArcGIS JS Search Widget not returning ANY address results. I have configured it to search through my feature layers which works perfectly. But when I simply try to ...
0
votes
2answers
26 views

tag based filter in OpenLayers

I want to filter an OpenLayers(2) vector layer based on tags. Therefore, the vector layer has a property column which can be filled by comma-seperated tags like e.g. "culture,food,park", but also only ...
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0answers
60 views

Box zoom out in leaflet maps

I am using leaflet for creating maps in web and geoserver for serving maps as WMS layer.Leaflet has box zoom-in tool when we click shift and drag on the map. Similarly I need box zoom-out in ...
0
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1answer
117 views

switching the layers on/off in leaflet map layer tree based on styling

I am developing web application which has leaflet maps. I need the layer control which is similar to QGIS I am using Geoserver to get the layer as wms format and I added that layer using ...
1
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1answer
51 views

how to Zoom to max extent in openlayers3?

How to zoom to max extent on click of button in openlayers-3? I tried with function zoomtoextent(){ //map.zoomToMaxExtent(); if(globalbBox==null) { var bBox = new OpenLayers.Bounds( ...
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1answer
47 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 openlayer 2.13.1, chrome, VS and .net. i have read the following link and ...
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1answer
59 views

Openlayer load kml 64 string data URI

I am trying to load a kml fileto google map using openlayer 2. below is the code: var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", ...
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1answer
31 views

Polygons on Mouseover event only Activate on Borders

I have a map with several polygons that have a mouseover and click event. The mouseover event causes the polygon to change color, and the click event brings up a custom info window. Most of the 200 ...
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2answers
87 views

Programmatically modifying ArcGIS Measurement object's units property

I am using ArcGIS's JS API for Measurement tool to measure and display Area, Distance, and Location points, but I cannot seem to be able to change the units programmatically. There's a method for ...
1
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1answer
79 views

Mapbox Directions Plugin - Get Route GeoJson

Goal: find the GeoJSON points in a web map that are closest to a directions route using turf.js. I am using the Mapbox Directions plugin. I am following this example. How do I work with the route ...