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

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3
votes
1answer
87 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
66 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
27 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 ...
0
votes
3answers
208 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
93 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 ...
0
votes
0answers
63 views

ArcGIS Server: 'Export Web Map Task' fail to print basemap at small scale

I am trying to export a JSON WebMap containing a standard ESRI basemap and two public Service layers as PDF with 'Export Web Map Task'. I tried to test it at this link. The PDF looks fine for scales ...
1
vote
1answer
115 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
133 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
19 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 ...
1
vote
1answer
141 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 ...
2
votes
1answer
305 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
106 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 ...
0
votes
0answers
95 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
10k 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 ...
0
votes
0answers
41 views

HTML <meta tag viewport “content=” >, why is maximum-scale=1.0 used in when user-scalable=no is also used?

so the example i saw in the tutorial im following in this book Mastering ArcGIS Server Development with JavaScript uses the following in the view port . My question is if maximum-scale=1 prevents ...
4
votes
3answers
616 views

Is there a web mapping server works on a linux shared hosting account? [closed]

Question: Is there a web mapping server software out there that works on a typical linux shared hosting account? Background: I have been trying find a web mapping server that would allow me to serve ...
7
votes
5answers
4k views

Anybody know any WMS clients for Android?

I am interested in finding a project (with source) for a WMS client for Android.
7
votes
3answers
3k views

Application Templates for ArcGIS Server?

Esri provide a lot of excellent template applications for us in conjunction with web maps. These templates are specifically designed for using with your resources on ArcGIS Online as opposed to ...
9
votes
4answers
2k views

GeoWebCache: misalignment of tiles

I'm trying to test simple web map based on PostGIS/Geoserver/OpenLayers stack on Windows Server 2008. When I load my WMS layer by: var gwctest = new OpenLayers.Layer.WMS( "gwctest", ...
1
vote
1answer
67 views

Show groups of coordinates on a map, to visually find coordinates that belong to the wrong group

I have a (very) long list of casinos. Each casino has: latitude longitude boss (a single boss runs from 1 to 50 casinos) Sample: 40.642 -73.997 Freddy Queens 40.680 -73.985 Freddy Queens 40.697 ...
5
votes
2answers
2k views

How to serve local maps for an offline HTML5 webmapping app?

How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?
1
vote
0answers
28 views

WMS foot print freezing issue

Using openlayers 2.13 I have added 3 layers, one is google terrain(base layer) second is a colored WMS raster layer (.tiff) and third is again a WMS layer (.shp) which is polygon layer. Here is my ...
2
votes
1answer
144 views

Web Mapping Client with front-end query function

I'm searching for a cloud based Web Map Client that offers a front-end query tool so that my client can query against the data and visualize the results on the web map. I'm trying to keep costs down ...
1
vote
1answer
49 views

Set proximity requirement for ESRI Collector observations

I am trying to create a Collector map that allows field crews to update a "status" attribute for features in a feature class. What I would like to do is limit the features that can be edited by the ...
1
vote
1answer
45 views

How do you retrieve an accidentally deleted point in an ArcGIS Web Mapping Application?

Hypothetical scenario: I've shared an ArcGIS Web Mapping Application with non-tech-savvy staff members. One of the staff members accidentally deletes a point within the Web Mapping Application. Is ...
4
votes
1answer
884 views

Advice on benchmarking my Tile Server (Apache2+mod_wsgi)

I'm wondering what advice people have for benchmarking a tile server? Specifically, I'm running a TMS using TileLite, and Vector Tiles using TileStache. Both are running under Ubuntu Server 10.10 / ...
7
votes
5answers
661 views

Web-based map authoring with ArcGIS Server?

I am embarking on a project in which users will author, save, and share their own maps over the web. We will provide them with a large number of feature classes, but users will effectively author ...
1
vote
1answer
274 views

Leaflet Marker Cluster: refreshCluster function issue

I am trying to use the markers.refreshClusters(); function to refresh the marker icons for a new styled icon I am trying to work with to highlight the selected cluster. Unfortunately, I keep getting ...
0
votes
0answers
15 views

Interactive Web Mapping for a Non Programmer? [duplicate]

I'm looking to map something similar to this: http://tipstrategies.com/geography-of-jobs/ Does anyone know, first off, how this was put together? From what I've researched so far, it seems this type ...
0
votes
1answer
372 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 ...
11
votes
10answers
3k views

What are the advantages of using Rails for a GIS/mapping application? [closed]

I've heard some good things about Rails, but I don't know much about it yet. There are only a few questions about Rails on GIS.SE (and there's not even a Rails tag). Is it worthwhile to learn about ...
1
vote
1answer
684 views

Adding comments using leaflet draw

I am working on an application that will leverage the leaflet draw plugin so that a user can open my map and drop comments in the form of markers. Then the user can click submit and it will serve me ...
2
votes
2answers
165 views

Selecting suitable web GIS for project? [duplicate]

I need to develop a web-based map using existing shape files. Using the web-map, we must be able to select a region and produce contours for that selected region. Can any one suggest the best open ...
33
votes
12answers
7k views

What is the state of the art in html5 geospatial applications?

I am very interested in the html5 canvas element for maps; work like Cartagen from an MIT Media Lab researcher looks very promising, for example. There is some interesting SVG based work at ...
1
vote
0answers
73 views

Selecting leaflet markers based on Json features [closed]

I have data coming from a Json file and I created a layer based on this Json file using markerClusterGroup. I am hitting the wall trying to do two things: 1 - Select some markers based on some Json's ...
2
votes
1answer
48 views

Making an ArcGIS Online Presentation wont let add shapes because they are more than 10,000 features

How can I add a shape that has more than 10,000 features to make a map in Online ArcGIS? Since it is only to show a sample of the work that has been achieved I could cut out information but I don't ...
1
vote
1answer
20 views

Is possible to add a web map service like streetdirectory to ArcMap/QGIS?

I would like to know if there is some chance to get web map like streedirectory.sg to arcmap or qgis. I need to use this map as a basemap that's why i'm looking for a way how to get this map to ...
2
votes
1answer
118 views

Leaflet search GeoServer layer

Let me start off by saying that I'm new to web mapping, but I've managed to put together a fairly simple web map using Leaflet: http://www.hcswgis.com/globalmapper/ It has most of the functionality ...
3
votes
2answers
752 views

What's role of WFS-T in webapp?

I have more experience in "traditional" (Java EE) webapp development, and I am trying to figure out a decent design for a mapping web application. My application has a map, and users can see and edit ...
138
votes
18answers
59k views

How do various JavaScript mapping libraries compare?

I am working on a web-based mapping system and I'm trying to figure out the best/most appropriate library to use. There are a few of them about and they each have pros and cons. Even after trying a ...
2
votes
2answers
416 views

Where can I get the location of all Universities and Colleges in North America?

This seems fairly straightforward but I'm having trouble finding the right data. All I need is the name, address, and lat long of all universities and colleges in North America. I've come across a ...
16
votes
4answers
7k views

How to create a simple front-end for a PostGIS database?

My organisation collects a lot of environmental monitoring data (stream flow, water chemistry etc.) most of which is currently stored in Excel. I’d like to get everything into a database – probably ...
2
votes
1answer
72 views

scaling of results: the comparing of osm-files for a few days - a statistical approach

i am pretty new to Geographic-information Systems. i am interested in gathering information on schools Some days before i have heard that it is interesting to have a closer look at the taginfo-site ...
1
vote
1answer
117 views

Accessing secure ArcGIS Online map service from custom web mapping application?

I'm building a custom web mapping application for a client. The application will be hosted externally to ArcGIS Online, but the application is registered with AGOL. The application will access the ...
4
votes
3answers
4k views

gdal2tiles.py generates wrong tiles / MapTiler the right ones

I'm trying to generate tiles with gdal2tiles.py and the resulting tiles are stored as 18/132639/164219. If I do the same thing with MapTiler (the GUI variant of gdal2tiles) the tile result is ...
0
votes
1answer
138 views

Using custom xyz tiles in CartoDB?

Following this example (see the section "Use the Tiles as a CartoDB Base Map"), I am trying to add a set of xyz tiles to CartoDB, without success. I exported a EPSG:3857 png from ArcGIS, and created ...