Questions tagged [web-mapping]

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

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1answer
3k 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 ...
4
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2answers
16k views

Create Fantasy Map

I'm currently looking to create a Fantasy map and share it with my friends. We have the map designed already in Flash to certain degrees of detail and able to export as a vector. We'd like it to be ...
4
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3answers
8k views

How to print high resolution poster sized maps from online map (arcgis server)?

I want to create a PDF document that can be printed at large poster size containing user created data and base map data. Based on a rough calculation, if the poster was 24 inches by 34 inches and I ...
4
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2answers
326 views

Dealing with large sets of data on web map without using Table of Contents?

I'm working on a map design that integrates many (around 300 separate map layers) datasets that need to be made available to users within the same map (just for viewing). I've looked at creating a ...
4
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2answers
8k views

What do the parameters for Google Streetview mean?

I've noticed that the new Google Streetview uses a url of the following structure: https://www.google.com/maps/place/London/@51.508506,-0.125532,3a,90y,72h,90t/data=!3m4!1e1!3m2!1s-...
4
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2answers
4k views

Hiding infoWindow of ArcGIS API for JavaScript while using measure tool?

In my Javascript API Web application I'm using the infoWindow to query a parcel layer and display display information in a popup when I click the parcel. I've set this functionality to turn on and off ...
4
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3answers
5k views

QGIS Web Client in Windows does not load map

I have installed QGIS (1.8 Lisboa) desktop and server on a Windows XP machine. I am now trying to configure the QGIS Webclient. I downloaded the zip file from GitHUb, and made the changes to the ...
4
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3answers
284 views

Using a web map to identify and access data

I am trying to making a webpage where the user pans and zooms on a map, and based on the location and zoom level, some data is displayed on the webpage (drawn from another source). The data that will ...
4
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3answers
190 views

Alternative layperson-friendly names for 'Legend'?

I am making a mobile mapping app that has a button that displays a legend. Because my legend is initially hidden from view, it is really important the text I put in the button that displays the legend,...
4
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2answers
5k views

How to 'highlight' a selected country?

Over the past several days I've read as much as possible regarding the OpenLayers API (within a JavaScript/jQuery environment), yet I'm still having trouble in getting my head around what I believe to ...
4
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2answers
2k views

Using WFS Layer as a baselayer

I've looked around the net and I've looked for examples, but I just can't seem to find a way to make a WFS layer be the baselayer. I set up the projection the right way and I set isBaseLayer: true . ...
4
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3answers
308 views

With just a web browser we want our field staff to collaboratively make complex maps with secured private data--looking for options?

Simple Question With just a web browser we want our field staff to collaboratively make complex maps with secured private data. What are our options? Note: Please provide specific product examples ...
4
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2answers
1k views

Using Web APIs with ArcFM Data

Has anyone worked with ArcGIS server, when the data is stored in SDE with ArcFM? While researching this Issue for a friend, I found out that ArcFM Server would be needed. What is not clear, is if a ...
4
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2answers
649 views

Data entry and manipulation using web pages

I am working on a project where we want to move a database from Microsoft Access to PostGIS, and we want the data entry forms to be web page based rather than forms within the Access database. I am ...
4
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1answer
236 views

Getting spatially referenced tiles from WMTS

I have been able to download tiles from a WMTS request in .tif format using owslib in standalone python: from owslib.wmts import WebMapTileService wmts = WebMapTileService('wmts_url') img = wmts....
4
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3answers
2k views

Visualization of a field in Leaflet

In a Leaflet app I want to overlay raster data (technically speaking, a field) on a web map. The data consists of triples < lat,lon,value >, where value is in range [0,1], for example: 23.33,10.55,...
4
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2answers
540 views

Adding large amount of data to web map using ArcGIS API for JavaScript?

I've got problem, I'm creating map based application, and now I have to add to map about 100 000 graphic points, from coordinates. I was trying in many ways to do it, but always process of adding ...
4
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1answer
876 views

Why is my polyline on the wrong bearing?

I am trying to overlay duplicate segments of polylines on a map via javascript. I am using latlon.js and geo.js from here The idea is that a user can input the distance they have travelled and when ...
4
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2answers
729 views

Ordnance Survey data on GeoServer 2.x

Has anyone had any success deploying the Ordnance Survey's free datasets on its open sourced OSGBWebMapTools framework using GeoServer 2.0.2? I've been able to set up the datasets on GeoServer 1.7.6 ...
4
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3answers
464 views

Find out ESRI REST URL for web map which is hiding it

I would like to extract the pipeline geometries from https://www.arcgis.com/home/webmap/viewer.html?webmap=a00c3b5cee4e4fe0b238b5e05ed80204 It shows the existing gas & oil pipelines crossing ...
4
votes
1answer
2k 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 ...
4
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2answers
4k views

Showing web page rather than just URL in ArcGIS Online pop-up box?

How can I show an actual web page (rather than just a hyperlink) in the pop-up box of ArcGIS Online? In the ArcGIS Online "Pop-up Contents" section adding a url in the "Custom Attribute Display" just ...
4
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2answers
837 views

How to subscribe Web Map Service from GeoServer?

I have my shapefile inside GeoServer and I already published it as a layer. I am able to preview the layer under GeoServer web interface. Now, I want to subscribe / import/ retrieve the shapefile as ...
4
votes
1answer
493 views

ESRI Javascript Web Application Hosted on Amazon Web Services

I have just deployed my first web application to Amazon S3. This web application is a simple web mapping app using the ESRI Javascript API and consuming a web map from ArcGIS Online. I have been ...
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2answers
2k views

PHP tile server

I am newbie in PHP. I am using tileserver.php to serve my *.mbtiles as web map. I have configure it and when I am trying to access the localhost it replying like following Now please help me to ...
4
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2answers
2k views

Correct Use of MBTiles PHP Script

I have installed the OSGeo4W web server tools on a Server 2008 machine, and I would like to serve MBTiles to Leaflet. I have tried these: Zverik's mbtiles-php Infostream's mbtiles-php fork The ...
4
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1answer
2k views

How to embed ESRI maps on my website

I've got a website where I'd like to insert maps with some placemarks (restaurants, points of interest, ...). I'm tired of Google Maps and like to use ESRI basemaps. Is it possible to do this? I'd ...
4
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2answers
4k views

From pdf to google maps overlay

First post, so be gentle. Context - I'm doing some research into healthcare provision and I'd like to visualise the data. I'd like to be able to put these PCT boundaries as an overlay to google ...
4
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1answer
2k views

What is wrong with this Proj4 transformation?

I'm implementing support for WMS maps in my company's software. Servers return a list of projections their maps are available in, but our software only displays data in WGS84 (lat/lon or UTM), and ...
4
votes
1answer
958 views

Webmapping with pgRouting and Mapserver for Beginners

I want to use pgRouting for showing shortest path on hiking trails. I created web map so I need to enable users when they click on start and end point somewhere on hiking trails, that it shows ...
4
votes
3answers
187 views

Connection between OpenLayers and GeoServer is faulty

I have connected my GeoServer to my OpenLayers website and it seems like something is wrong about the connection. I added a WMS layer in JavaScript like this: But when I load the page the result is ...
4
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3answers
171 views

Seeking tool(set) for creating community map? [closed]

When you move to a new place, it's very useful to have maps tailored to your interests available at the click of a mouse or tap of a smart phone. The following projects are great examples of more ...
4
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1answer
401 views

How to set up a maximal zoom for polygons in Leaflet?

How to set up a maximal zoom for some layer, for example state polygons? I need that my US polygons which represent states have maxZoom 6, and when zoomed higher than 6, that US counties show up ...
4
votes
1answer
977 views

Creating mapping application with user input to dynamically weight/shade map layers? [closed]

Does anyone know of any examples of web-apps that allow user-input to change variable weights used to calculate symbology? My organization is looking to build a dynamic mapping application and while ...
4
votes
1answer
333 views

How to keep web map from displaying content from 2 zoom levels at the same time?

So I'm making a web app with a map that combines several layers (and dynamically toggles them off & on). I've made these layers in TileMill, exported them to .mbtiles files, and I'm serving them ...
4
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3answers
555 views

How to choose a language for web map development?

I am building a web map application using: GeoServer OpenLayers Tomcat I would like to build a web application, where the user can log in and have the map arranged according to their profile. As ...
4
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2answers
880 views

Choosing web/mobile mapping API? [closed]

We are building a spatial application targeted to laypeople which will involve viewing and editing vector geodata (currently just points, but linestrings and polygons in the future) with a raster ...
4
votes
1answer
434 views

What worldwide raster basemaps does MapBox provide, and how much do they cost to use?

There are a number of MapBox basemaps that show up on various websites (MapBox Streets, MapBox Outdoors), but weirdly, I can't find a list of them anywhere. I have in the past seen a big list of ...
4
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2answers
200 views

Batch create Leaflet webmaps in QGIS

During a project on the spider fauna of Greece, we have to face the design of distribution maps of the species. A good tool to work with is the design of Leaflet webmaps to be used on the website ...
4
votes
1answer
422 views

How to integrate Google Drive with web mapping capabilities?

I use a shared Google Drive spreadsheet to coordinate a large GIS mapping project. The work involves processing thousands of DOQQ images. Essentially, work is divided into study areas and then ...
4
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2answers
1k views

Dynamically generated map overlay with map server - what's the best option?

I'm facing a problem and would like to ask your help finding the best online mapping solution! Project details: The User can pick 1 from several hundred territory based functions to map its values. ...
4
votes
1answer
1k views

Interactive maps for a survey - Are there any tools yet?

i am working on a draft for an online-based survey. I would like to enable the participants of the survey to draw polygons, lines and points (several) on a basemap (e.g. google maps) and (extra ...
4
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2answers
439 views

Looking for stand alone map server

New to mapping tech. Requirements: Stand Alone Server for offline use (will be an internal app) - No Mobile. Ability to add custom CSS class and hover information to US counties Programmatically ...
4
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1answer
654 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 ...
4
votes
1answer
11k views

How to Zoom to a FeatureLayer Using ArcGIS Javascript API

I am making a web application using the Javascript API and am trying to zoom to a feature layer from a row click in a dojo data grid. I have this working for a dynamic layer, but am having issues with ...
4
votes
1answer
1k views

Why does gdalwarp return incorrect corner coordinates for my geotiff?

I have a png source image that's in Lambert Azimuthal Equal Area and I have the long/lat extent. So I ran gdal_translate to create tie points and convert to gtif. Then I ran gdalwarp to reproject to ...
4
votes
1answer
1k views

Configuring WMS from a MSSQL data source with MapGuide Open Source

I've having trouble configuring WMS out of MapGuide Open Source. Here's what I've done so far: Installed MapGuide Downloaded MapGuide Maestro Created a "feature" in Maestro that connects to MSSQL2008 ...
4
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0answers
120 views

Using JavaScript variable as date parameter in SQL view [closed]

I'm creating a map based on an SQL view in GeoServer, and I want the layer to change depending on the date parameter in the SQL view (%date%). It works when I set my variable to 'current_date', but if ...
4
votes
0answers
160 views

Web mapping API popularity

Are there any online statistics for the popularity/usage of web mapping APIs? A diagram would be sufficient, if it can be published in a paper. I have only found one source: https://trends.builtwith....
4
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0answers
164 views

How to visualize fuzzy/approximate locations

I need to visualize a mixture of accurate and fuzzy/approximate locations on a web map. The user should be able to instantly recognize approximate locations from the marker used. Are there any best ...