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

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1
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1answer
650 views

Label background in SLD

Is there any possibility to construct SLD style which displays label with rectangular background? Background has to have sizes which automatically fit to sizes of text content. I would prefer not to ...
1
vote
2answers
138 views

Given a BBOX and Zoom Range, Return All TMS Addresses

Given a bounding box using WGS84 lat long pairs (represented any way, not important to me) and a range of zoom levels, I'd like to be able to generate a CSV representing all standard z/x/y TMS ...
1
vote
2answers
123 views

Pseudo code to correct Geographic points for UTM Easting distortion on Web Mercator Projection

I have chosen to use a Web Mercator projection system for: Use of Tiling system for low memory usage Accessing only one site/area at a time Reuse of Google Tiles - for many sites In some cases I ...
4
votes
1answer
2k views

Changing the line color of a marker box using OpenLayers

I'm trying to figure out how to change the line color of a marker box in openlayers. I've been learning from the following example: <!DOCTYPE html> <html> <head> <meta ...
2
votes
2answers
414 views

How to host the results of qgis2leaf on google drive?

I am wondering how to host the results of the plugin qgis2leaf on google drive to create a free hosted webmap? Here is an example: https://39b425ec138a1e68ecbac84487470661e6b8b943-www.googledrive.com/...
3
votes
2answers
81 views

Location Analytics - ArcGIS Web Services (Feature & Raster)

I have been attempting to develop some methodology or approach in order to monitor or track where users of our webmap services are looking. Ideally the coordinates of the window. Mapbox has created ...
7
votes
4answers
1k views

Building disconnected web based mapping application? [closed]

I have been tasked with building a disconnected, web-based mapping application. It must run in a browser, but it will run on a disconnected Windows based laptop. It needs to be able to do simple map ...
0
votes
1answer
100 views

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

I currently use a proprietary software product for my company's web mapping, however I am interested in seeing other products. I use QGIS and would like to to put my layers on the web for both ...
8
votes
2answers
10k views

Trigger a click event on a leaflet map?

Is it possible to make a click event occur at a particular lat/lon on a leaflet map? I would like to make a popup appear that is associated with a point at a particular location. I have tried several ...
38
votes
8answers
24k views

Alternatives to ArcGIS Online?

I am considering purchasing ArcGIS Online for a group of users who currently use about 5% of ArcGIS capabilities (ArcMap, simple map creation and information display) about 80% of the time. Primary ...
0
votes
1answer
86 views

Insert rows into CartoDB from code

I have a simple web page where I show my CartoDB map and a dataset. I want to know if there is any way to insert new rows into my CartoDB dataset from code, so external users can add points to the map ...
4
votes
0answers
4k views

Choosing open source web GIS software? [duplicate]

What are open source tools for building a web gis application having PAN, Zoom, Query/search, Label etc options? I have decided to use PostgreSQL for database and GeoServer as middleware but I am a ...
1
vote
1answer
504 views

How to Georeference 2.5D or Birds Eye View models or Buildings?

I am working on 2.5D mapping.So I don't know how to georeference Birds Eye Viewor 2.5D view buildings.If you did not understand then open http://www.youcity.com there you will find 2.5D buildings.If ...
4
votes
1answer
824 views

What is the Market share for open source web-GIS systems?

I would like to know the market share of 3 web-GIS systems, deegree, GeoServer, Geomajas). Which one is more popular? Are there any evaluations regarding the market share of open source web-GIS ...
0
votes
1answer
33 views

Where to create a web map of polygons and 50,000+ points?

I was using the qgis2web plugin to create a web map of polygons. I got this far: vehiclethefts.netne.net Then, I had to add another layer containing 50,000 points and realized the plugin couldn't ...
0
votes
1answer
104 views

JSONs made from shapefiles are not plotting (using folium or Leaflet alone)

My goal is to plot two shapefiles as layers on an interactive map. The files I'm using live at https://github.com/AnnaMag/maps. I transformed shapefiles to .geojson using ogr2ogr -f ... e.g. ...
0
votes
0answers
13 views

TimeDimension in R, leaflet [duplicate]

it's possible to do this this with R,leaflet ? any suggestion please?
7
votes
4answers
2k views

tiny JS discretization library for choropleth representation

I would like to know if a tiny stat/discretization js library ready to use exists. I do know about the existence of jStat (which I may explore a little bit more thoroughly), and I know that mapfish ...
0
votes
1answer
68 views

Any web mapping solution for mapping points and manage 1:n relationship? [closed]

I need to show on a web map some points (> 12.000) ... I know that there are many solution for that, also for free (CartoDB, MapBox, ArcGIS On Line, ecc ... ), starting from some shapefiles. That is ...
0
votes
2answers
105 views

Does anyone know about a web client for GIS from the Vaadin framework?

Reviewing the universe of GIS tools on the Web, I see that several customers have already developed GIS on the Web, so the is no need to start from scratch. Now I have come across the Vaadin framework ...
5
votes
2answers
92 views

Is it possible to 'scrape' shapefile layer from a map saved as pdf/jpeg?

Data on the changes in voting district delimitations in SA is available as a series of maps (no shapefiles made official). I'd like to create a shapefile by scraping the boundaries from the individual ...
2
votes
1answer
56 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
36 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
25 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
35k 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
43 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
282 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
873 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
69 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
8 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
109 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
85 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
86 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
156 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
55 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
442 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
425 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
92 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
221 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
9k 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
542 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
10k 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
67 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
82 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
47 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.