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

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4
votes
2answers
936 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 ...
3
votes
2answers
727 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 ...
0
votes
1answer
97 views

problem login geoexplorer - redirect IP

I have problems when I want to log the administrative user through GeoExplorer when geoserver is running on a server with public ip but redirection to a private ip. GeoExplorer takes too long to load ...
0
votes
1answer
94 views

How to simplify shapefiles without losing attributes?

I want to simplify a huge shapefiles using mapshaper. However whenever I simplify the shapefile I loose a lot of data attributes. how can we simplify the shape files while retaining at least some of ...
0
votes
1answer
116 views

Map generation failing with Kartograph.js

I am trying to generate a very simple map using kartograph.js. But some how my code is not working. <html> <head> <script src="jquery-1.8.3.min.js"></script> ...
1
vote
1answer
83 views

What sub-meter geolocation solutions exist and how can I integrate them into a web and mobile mapping workflow?

I am the manager of seven water systems. What I am trying to do is map out every meter and valve on to a map and then my workers can have the maps on their iPhones so when they have to go fix a water ...
0
votes
0answers
12 views

panning problems - highlights screen

We have developed an online map with a panning function. It works ok but from time time when I click and drag it seems to select the whole screen and colour it blue. I can click out of the map extent ...
4
votes
2answers
141 views

How to query DEM elevation values in a web application based on cursor/click point location?

I work for a city government that has LiDAR derived DEM rasters which we would like to make accessible to other departments in the city. The problem is that many departments don't have anyone with ...
5
votes
1answer
251 views

How to handle the New ESRI Ocean Basemap

Some of you may have seen this recent (4/28/14) ESRI blogpost - The New Ocean Basemap. ESRI, in their infinite wisdom, has split up their Ocean Basemap into 2 separate services. One with just the ...
0
votes
0answers
50 views

How to hide features based selection using API for Silverlight?

my challenge is to, when i want to select feature on the map by the mouse the action must be zoom to the feature and all other features hidden in the same layer my application created by API for ...
0
votes
0answers
44 views

web map with arcGIS for server and javascript?

How would I go about creating a feature layer from Arcmap, and saving it as a service to arcGIS for server, which I could call from javascript API, so the web map will provide user interaction. For ...
2
votes
1answer
516 views

OpenLayers3 vs Leaflet for styling multifeature geojson

I'm experimenting with various options for displaying geographic information to the public in html format. The ultimate aim is to build an online application where anyone can add the route they cycle ...
1
vote
0answers
77 views

Singapore postal boundaries

does anyone know where to get GIS data for Singapore postal boundaries? I need a shape or KML file which I can then overlay onto google maps to show a neighbourhood break down of Singapore. Any help ...
3
votes
5answers
2k views

Automatically download and merge webmap tiles into one big image?

Is there an easy way to download a bunch of web map tiles (in /z/x/y.png format) and stitch them together into a single large image? I could probably script this using ImageMagick, but would prefer ...
7
votes
1answer
746 views

Could someone suggest a good GeoExt Tutorial?

In my research I've found these two, which are only explaining the basics. Developing OGC Compliant Web Applications with GeoExt GeoExt Workshop (Pdf) And of course the native (but short) ...
12
votes
4answers
2k views

What python web-mapping framework to use?

I am interested in developing a web-mapping application. I am relatively familiar with Python and so i'm looking for a python framework. What are my options? what are the pros and cons of each option? ...
0
votes
0answers
120 views

How to migrate Opengeo Suite from localhost to live website

I have installed Opengeo Suite on my laptop. I was trying to follow the OpenGeo Suite user manual: http://suite.opengeo.org/opengeo-docs/webapps/index.html#webapps I implemented the sections ...
39
votes
4answers
6k views

Why has Web Mercator (auxiliary sphere) become the web map standard?

I understand what the difference is between the Web Mercator projection and Web Mercator Auxiliary Sphere (WMAS). I also understand that both Google and Esri have adopted this projection as their ...
0
votes
0answers
27 views

Examples of Sanborn map WMS?

I'm wondering if anyone has heard of or come across any examples of scanned and georeferenced Sanborn Fire Insurance maps being served as a WMS. I know there are copyright issues, so presumably only ...
1
vote
1answer
44 views

Decarta - how to refresh map

I am using the Decarta JS API. I am displaying a map with layers. I want to refresh the map and redraw new layers, but I see no way to do this in the documentation. Is there a way to refresh the ...
0
votes
1answer
120 views

Videos (as headers) in CartoDB Infowindows

I need to know how to embed a video (YouTube or Vimeo) into an infowindow in CartoDB in the same way that an image appears as an image header. Potentially more complicated, when there is no video link ...
0
votes
0answers
13 views

Videos in CartoDB Infowindows [duplicate]

I need to know how to embed a video (YouTube or Vimeo) into an infowindow in CartoDB in the same way that an image appears as an image header. Potentially more complicated, when there is no video link ...
6
votes
3answers
1k 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 ...
1
vote
1answer
59 views

How to tell if GeoWebCache REST API is working?

In my web application, i wanted a service to cache updated data using geowebche. so i worked on seeding tiles automatically with GeoWebCache as in this post: custom time interval for geowebcache then ...
3
votes
2answers
333 views

GOCAD and SKUA 3D Models Online

I am looking to build a 3D Web Mapping Application using data/projects initially created within GOCAD and SKUA. We currently use ArcServer 10. Initial looking around online has suggested that I could ...
1
vote
1answer
111 views

Web map tool with high interactivity [duplicate]

I'm looking for an ArcGIS Online alternative. It needs to be linked to a private MySql server Use shapefiles Display attribute data and charts upon click/hover Toggle shapefile to display/disappear ...
1
vote
0answers
63 views

How can I make a point buffer map on the web?

I am looking for a tool like Google Maps Engine Lite or Mapbox where I can draw a simple (buffer) circle around a point with a known diameter. Are there any quick and easy web mapping tools to draw a ...
8
votes
1answer
335 views

online map of 242,888 locations: which service to use? (what if temporal heat map?)

I have a 161.8 MB large CSV file with geocoded locations (with latitude and longitude) for 242,888 lines. I want to have an embeddable online map of all this. I wonder which service could deal with ...
1
vote
0answers
187 views

Looking for cloud hosting similar to QGIS cloud

I have about 6 or 7 large clients who each require some form of personalised online mapping service. My aim is to produce a secure login required database for each client using my shapefiles and ...
0
votes
0answers
155 views

Openlayers Base Layer is disappeared after adding more than 15 Overlays from Geoserver

I have developed a webmap application using Geoserver 2.4.0,Tomcat7 on Windows 2008 32bit Server. JVM Client. I have enabled GeoWebCache to speedup the map loading and configured separate directories ...
0
votes
1answer
264 views

How to add content below the map with Javascript? [closed]

Is it possible to enable some container below the map with JVectorMap? I have some links for all states which needs to appear when user clicks on state. I am new with Javascript so please help me. ...
0
votes
0answers
24 views

a hosted service to scrape and parse xml content and map it?

I am looking for a solution to map (on the web) some public data without scraping it first, esp. repeatedly scraping it to check for updates. Is this easy to do or only the data source itself can ...
3
votes
0answers
59 views

Is it possible to render tile-based web mapping projects in any other projection than web mercator?

Web-mapping technology has to a large degree adopted the web-mercator projection as the standard projection for displaying geographic objects with interactive map-clients. This is due to many factors ...
0
votes
0answers
39 views

Are there versions for SmartStore warehouses? And how can I tell?

I have a SmartStore warehouse that I can't open with GeoMedia-Webmap. It might be that it was generated using a much earlier version of GeoMedia than my version of GeoMedia-Webmap, but I'm also ...
2
votes
2answers
110 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 ...
1
vote
0answers
121 views

Extract Polygon Data for Each Neighborhood from GIS Shape File

I have a dataset that has four types of files with the following file extensions - .DBF,.PRJ,SHP,SHX My goal is to get all the polygon coordinates for each neighborhood and draw the boundary outline ...
3
votes
1answer
191 views

looking for an esri compatible javascript engine

I work on an esri heavy team, i'm looking for a mapping engine that will give me flexibility to build on top of and leverage only the pieces I need and or add more as the app grows. I've been using ...
4
votes
6answers
2k views

3d earth mapping with javascript or browser plugin

I am currently working to develop a web-based mapping application. A lot of the mapping tools such as google maps are 2d imagery. I know that google earth has a 3d browser plugin, but a requirement of ...
1
vote
1answer
184 views

Collaborative map editing using local openstreetmap server

I tried to make a collaborative web-map solution. that is allowing multiple users to edit map features and enter data collaboratively. I read that OpenStreetMap give this solution. I've installed a ...
2
votes
1answer
319 views

Edit tilemill legend to add circle symbol

I am trying to edit my tilemill legend so that instead of displaying a red rectangle as below, it displays a red circle (I'm making a proportional symbol map). What line would I need to add in my ...
1
vote
0answers
101 views

How to optimize color ramp for terrain

I'm working on a project to highlight LiDAR terrain on the web and part of the idea is to show the detail of the data at large scales. I've already read through the excellent Mapbox guide and I've got ...
1
vote
1answer
109 views

Edit legend Tilemill legend items

I am trying to edit my legend in tilemill to add a "Note". What I did was essentially copy the legend-source code to do this. However, I would like the line spacing in the "Note" section to be ...
1
vote
1answer
161 views

How to add title in TileMill/Mapbox map

I have successfully made a legend and teasers for a tilemill map. However, I don't know how to add a title and don't see a function for it. If I wanted to add a title, how would I do that? Thank you, ...
0
votes
0answers
36 views

Can I make tiles with all countries but one transparent?

I would like to have one country in a given style and all other countries in another grayed out one. But styles should be changeable in the production webmap, so I need them to be independent of each ...
0
votes
0answers
78 views

Display Error in Django when querying data from postgis

. i am trying to query my data from postgis through Django .. and i am not sure what is going on with my code. . i just follow processes form online research and docs. . i have my results.html {% ...
0
votes
0answers
33 views

Problem using test search for tags in ArcGIS JavaScript API

I have the next problem with a query using the ArcGIS Javascript API, when I execute this code: portal.queryItems({ q: queryGroup+' AND tags:"' + tagsInserted+ '" ', num: 100 ...
5
votes
1answer
547 views

Sharing a Folium Interactive Map w/ Embedded Markers

I have been experimenting with a few Python packages that have great potential for my dissertation research. Since I use pandas for pretty much everything, geopandas was a natural choice for working ...
0
votes
4answers
230 views

Web Mapping using the ESRI Javascript API

So I've been tasked with coding the interactive map for the city I'm interning at. I'm still a beginner with Javascript but I learn best "one the fly" by just getting started. I just need to know how ...
6
votes
1answer
2k 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 ...
2
votes
5answers
465 views

Is latitude / longitude a universal coordinate system?

I hear people complain: my biggest gripe with google spatial apis is that they hide the fact that latitude/longitude is not a universal coord system My question is Is latitude / longitude a ...