"Web mapping is the process of designing, implementing, generating and delivering maps on the World Wide Web ..."

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2
votes
1answer
55 views

Easiest way to display or draw low-detail maps on a WebApp

I need to display data sets, e.g. a bunch of point-based JSON files of weather forecasts, on a not-so-detailed map. The map should not be as detailed as a full-blown Google map (with roads, names of ...
2
votes
1answer
35 views

Is it possible to pass a JavaScript object to “Layers:”?

I am trying to use the GetFeatureInfo functionality of Openlayers v3. I am taking the layer name dynamically from the layerswitcher and trying to pass it into WMS like: var temp=JSON.stringify(...
1
vote
0answers
23 views

Add layers dynamically on a web map

What would be an optimal way to add a layer to the web map by using the drag and drop option? Should the layer be saved to the db or their are other ways? This would be a JavaScript based application ...
83
votes
30answers
34k views

How to Start Web Mapping?

I want to start working on a web map at work to map some of our statistics by city. I have an idea, but I'm not exactly sure where to start. Are there any definitive resources that provide step ...
1
vote
0answers
41 views

Android WebMap Popup Viewing not showing my layer info

I used the code for WebMap Popup Viewing from ArcGIS for Developers (https://developers.arcgis.com/android/sample-code/webmap-popup-viewing/) and I just changed the map URL with a map I created and ...
2
votes
4answers
269 views

Display two generated tiles on one map using Openlayers

i have a multiple Geo-referenced tiff 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 using Openlayers ...
5
votes
2answers
834 views

Open Trip Planner rest api request

following this tutorial I set up a Open Trip Planner (version 0.11.0) stand alone server. It works very well at http://localhost:8080/index.html and for example at http://localhost:8080/otp/...
1
vote
1answer
36 views

Is there any possibility to draw an editable map using OSM data?

I am a newbie on openstreetmap related developments, I need to build a web application using PHP or Python frameworks, that could draw map using OSM data. It should also allows to edit attributes of ...
0
votes
1answer
59 views

creating a transparent layer background in QGIS

I have created a heatmap in QGIS to cover my point data and I have saved it as geoTiff so that I can import into tilemill, which I managed to do but my background is black .In QGIS however I want ...
0
votes
0answers
7 views

S63 Viewers with JavaScript API [duplicate]

I am in the process of developing a web interface for viewing encrypted ENC data (S-63) and was wondering what options are available to handle the rendering? I have investigated ArcGIS Server and it ...
1
vote
1answer
94 views

TileStache Dynamic query based on zoom level

I wanted to make tilestache to be able have a different query for different zoom level. For certain zoom level I wanted TileStache to query from different postgres table. How can I achieve this? Is ...
0
votes
1answer
70 views

Leaflet/GeoJSON - Changing the default blue marker to other .png files

How can I use different .png files to symbolize my GeoJSON data? I have one property in my GeoJSON file that I would like to symbolize the data by (feature.properties.issue). For each different issue ...
2
votes
1answer
65 views

Leaflet Map not Visible

I try to make my first Leaflet webmap (I'm very new to JavaScript so please ignore the dirty & repetitive code). I want layer controls and read the Leaflet layer control example but somehow my map ...
1
vote
3answers
1k views

3D Map Visualization in Geoserver

I am using Geoserver 2.4.0 to view the UK map in my web map application by using the openlayers and wms service. Now I am looking into view the terrain data in 3d with WebGL enabled browser and got ...
2
votes
1answer
131 views

QGIS2Web - how to include additional mapping functions

It is my understanding that the QGIS2Web generates a web map from my QGIS project by taking aspects of layers, styles and extent. What would it take to include map functionality to the web map such ...
0
votes
0answers
53 views

Increasing Clickable Area of OpenLayers Polylines

I'm currently working on a web application where there are OpenLayers geometries that are clickable. However, since the size of the geometries can be rather small, it can be hard to click on them. ...
-1
votes
0answers
33 views

Web mapping newbie [duplicate]

I am just starting out with mapping applications on the web. I basically want to click on a country in the world and have an image popup. Being fairly new to this does anyone have a recommendation for ...
3
votes
3answers
437 views

Differences in costs of open-source hosted GIS software? [closed]

I recently saw a listing of the available GIS products at thegismarketplace.com, which led to a couple of questions. What is the difference between a paid version of GeoServer or MapServer and the ...
4
votes
1answer
413 views

Web Map data display/filter/query [closed]

I have been learning as much web mapping as possible lately. I really enjoy it, as it seems what you need to know to keep up with the geospatial field. I do have a question that is probably easy for ...
5
votes
1answer
2k views

How do I use a toggle button with the ESRI javascript api

I am trying to use two toggle buttons which have been added to a map to toggle layers on and off in my simple web application. I am having problems getting the toggle button to respond when clicked or ...
1
vote
2answers
78 views

In a webgis using leaflet, how to export maps as pdf?

Like the title says, I'm building a webgis using Leaflet. I want to allow users to export maps from the website and download them, but the current downloaded format is shapefile. I wonder if there's a ...
1
vote
0answers
190 views

Using Leaflet and Web Map Tile Service (WMTS)

I'm trying to use an API for rendering tiles with a Leaflet map. A link to the API looks like this and I think that the format is WMTS: https://api.lantmateriet.se/open/topowebb-ccby/v1/wmts/token/{...
20
votes
4answers
8k views

Maximum number of point features in an OpenLayers vector layer

In your experience, how many point features can be added to an OpenLayers vector layer (new OpenLayers.Layer.Vector("Point Layer")) before it goes unusably slow? My use case is to display points from ...
1
vote
1answer
524 views

Problem with Cesiumjs sand castle live editor

I have saved a html file from Cesium SandCastle live editor, but I am not able to run that file on a web browser afterwards, even after loading all the JavaScript files correctly. How to make it run ...
8
votes
4answers
9k views

How to host my GeoServer+Openlayers web mapping application on the internet? [closed]

I have created a web mapping application prototype using GeoServer (running on Tomcat as the servlet), Openlayers and PostGIS. Since it was a prototype, at that time, i did not bother about the ...
1
vote
2answers
58 views

WebGIS Report Feature with Pictures?

I am trying to add a widget to a webmap that will allow users to report wildlife spottings (birds, coyotes, etc). The client (City staff) would like to have to be able to review any reports prior to ...
1
vote
2answers
42 views

Creating Multiple Webmap Applications linked to the same data

I am creating a webgis system for a smaller municipality. They need 3 different webmap applications, all of them referencing the same data. 2 of the apps are for public view and only contain certain ...
2
votes
1answer
76 views

Popup that contains feature type details from geoserver

I would like to seek for help regarding my project. I'm new in Web Mapping. And as of now I have WMS layer (which is polygon type) from geoserver that is overlayed in a WMS openlayers basemap. Now I ...
1
vote
1answer
39 views

Changing Colour of Leaflet Layer Control Box

Is it possible to reference the box in the CSS to change the colour of the layer selection box? Would be great to change it away from the standard white.
0
votes
1answer
70 views

Custom Leaflet Legend

Trying to create 9 separate leaflet legend variables for the 9 different overlays (graduated colour chloropleths) I have on a leaflet map. Each overlay will have 6 classifications of colour dependant ...
1
vote
1answer
47 views

Toggling Leaflet Legends

Currently trying to use the following code to add and remove Legends as a result of an overlay being added to the map. Getting no error messages in browser but still doesn't seem to be working. ...
12
votes
4answers
5k views

Are there open-source alternatives to ArcGIS online that can be hosted on my own server?

I know this might be too broad topic. But I am looking for web-GIS portal similar to ArcGIS online that is self-installable (configurable) to be hosted in my private server. The main features should ...
0
votes
1answer
77 views

Display tiles from a custom GeoTiFF overlayed on googles satellite map using leaflet

I want to overlay tiles generated from a GeoTIFF raster I created on a google satellite map. What I have tried is: Style and output a high quality colored PNG using qgis's map composer Tile this PNG ...
1
vote
1answer
37 views

Link Esri web map to XML data feed

I have an XML feed of road conditions that needs to be linked to a roads layer in an Esri web map. The web map should be built with Portal for ArcGIS. (Though other suggestions/approaches are welcome!)...
3
votes
1answer
101 views

Export data from the new Mapbox Studio

The new Mapbox Studio seems to have a button for downloading a style: but not a dataset: So, is there actually a way to export a whole dataset? This may seem like a strange thing to do, but ...
9
votes
5answers
1k views

How to use Leaflet to efficiently show parts of a massive dataset?

I keep seeing non-GIS web developers running into this problem, and I'm not sure what the solution is. There is some dataset of thousands of items. We want to show a map to the user, with the ...
4
votes
2answers
77 views

How to hide leaflet base map?

I'm building a webGIS using leaflet library. Since the data visualization is for only a certain region, it seems that the broader leaflet base map looks a bit distracting. I wonder if there's a way to ...
1
vote
0answers
34 views

WebMapping Charts Overlap Issue LeafletJS

I am a beginner in webmapping development using LeafletJS and JS. I am the owner of the website built under LeafletJS. I have faced some problems with charts overlapping. On the right top of the map ...
0
votes
1answer
1k views

Error code 500, error performing execute operation from Print task of ArcGIS API for JavaScript?

I'm trying to use print task to generate a PNG or PDF file of my web map but i always get an Error code 500, error performing execute operation. Any Ideas? I'm using ArcGIS API for JavaScript 3.2....
0
votes
3answers
249 views

What are the low cost options for converting FLEX API based web mapping applications to any other platform? [closed]

As flex is reaching the end of its life, I have one project to convert Flex based web mapping application to any other possible solution with minimum development effort and secure way. I believe Dojo ...
0
votes
1answer
112 views

How to load POI based on map movements?

I'm currently creating a new website based on geo-localised informations, which is quite new to me. I need to display my points of interest according to where the map is, and where the user make it ...
13
votes
2answers
6k views

How can I switch baselayers as a user zooms in to the map in OpenLayers

I have a map which overlays Open Street Map data on imagery for Pennsylvania. As a baselayer to the roads (and eventually other layers) I have two baselayers - Blue Marble NG and USGS EROS 1ft imagery....
1
vote
1answer
167 views

Leaflet with Geoserver in background to slow for GeoTiff

I am implementing a leaflet web-map application to display several GeoTiffs. The GeoTiffs are each ~300MB and published by Geoserver as WMS. In Leaflet I add them through L.tileLayer.wms. I also ...
0
votes
1answer
175 views

Publishing AutoCad *.dwg files into HTML?

I'm new using Autocad. What I currently have is a dwg file generated from AutoCad 2015, now, I want to publish this file somehow into an html (web-mapping?) page so I can grab it from there and embed ...
0
votes
1answer
21 views

Consumer-Facing Websites or Apps using Bing Maps

I'm researching Bing Maps for use in a consumer-facing website/app. Is there a resource that lists existing websites/apps that are using Bing Maps for the basemap? I've found examples of websites, but ...
-1
votes
0answers
2k views

How to develop a PHP GIS Applicationfor land parcel search? [duplicate]

I know this question has been asked numerous times but not from this angle. I am proficient in PHP and PHP Frameworks, my interest is now on GIS with the sole intent of creating a map solution where ...
2
votes
1answer
331 views

Setting fill colors using hex value in ArcGIS Online (arcgis.com) webmap?

Has anybody been able to use hex values (e.g. #FF0000) for setting polygon fill symbols in an ArcGIS Online (arcgis.com) 'webmap'? I see predefined colors to select from, but no hex input box.
4
votes
1answer
165 views

Error with .eachLayer in leaflet.js

I'm trying to add popups for point icons using Leaflet.js and ran into this error: "Uncaught TypeError: points.eachLayer is not a function" Here's my code: function addPoints(data){ for (var ...
1
vote
0answers
115 views

ESRI Web AppBuilder - custom attribute - only show fields that contain values

Is there a way to only show fields that have a value, i.e. are not NULL, in the Web AppBuilder Web Map pop-up? If this can't be done in the Web Map can it be done in the mxd attribute table? I have a ...
5
votes
5answers
11k views

Sizing Leaflet Map inside bootstrap

I have been trying to change the height of my leaflet map to a percentage inside of bootstrap but everytime I do the map will not draw. Thus, I always have to revert to px value. I'm pretty sure its a ...