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

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5
votes
1answer
171 views

Looking for collaborative webmapping projects

I´m looking for open source collaborative web mapping projects which allow vector editing, wms display and other features like comments, photo-uploads etc. I´ve only found Ushahidi and Sahana so far, ...
2
votes
2answers
5k views

Openlayers - Zoom to selected feature

if I have this vector layer: var vectors = new OpenLayers.Layer.Vector("vector", {isBaseLayer: false}); var feature = new OpenLayers.Feature.Vector( OpenLayers.Geometry.fromWKT( ...
3
votes
1answer
1k views

How to prepare or normalize raw shape (.shp) files for Openlayers use

Hi all it seems like I am having difficulties in normalizing raw map files' resolutions to openlayer's use most probably in parameters mapext and imgext. I hope you can help me with this. Using raw ...
3
votes
1answer
881 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 ...
12
votes
5answers
3k views

Looking for a FREE Cloud based 'Web Mapping Stack' Host

Any pointers to free cloud-based geoweb hosts? Use case: To display a basic interactive web map in Leaflet/ OpenLayers with data hosted in PostGIS served by GeoServer. I am looking at something very ...
2
votes
2answers
105 views

How would I go from a set of points representing routes to a set of map tiles for online consumption? [duplicate]

Possible Duplicate: Web-based user editable routing application I have a set of routes as a text file with coordinates. For each coordinate I also have whether or not it is an intersection ...
6
votes
1answer
583 views

Data visualization and maintenance tool

Background Looking to leverage an existing GIS system for exploring organizational data. Architecture The following figure represents a high-level overview of the system's desired features: The ...
4
votes
2answers
796 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 ...
8
votes
3answers
2k views

Online map with rivers

Is there any internet map source (zoomable, tiled, i.e. "google like") with good display of rivers? I.e. well labelled even on larger scales? So that I'm for example able to track Donau river (with ...
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 ...
2
votes
0answers
217 views

Tile Mill, Processing.org Maps to be developed

I had a small question. I actually would like to build an application which is very similar to this but as a map and not on “Multi touch Table Top”. The functionality I need is Plot different ...
11
votes
7answers
1k views

Examples of Web Maps

As part of an internal "learn at work month" program, myself and a colleague have volunteered to do a presentation: "The Wonderful World of Web Maps". To this end, we're now looking for examples of ...
4
votes
3answers
434 views

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

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 ...
3
votes
2answers
1k views

Standalone offline web map tile server

I am working on a web-map system which I am embedding in a form in an Access database. I will be distributing this database to clients so need it to be as self-contained as possible (i.e. no ...
2
votes
1answer
96 views

Sensor Observation Service Filter Request

I am a student and currently developing a web application using Sensor Observation Service. In my Web-Client, I am sending request to SOS Server per sensor and getting back the observations. The main ...
2
votes
2answers
240 views

What are my hosting options for an app that needs tilestashe along side a django app?

I'm building a GIS webapp that uses tilestache to serve MBTiles and a django app to serve geoJson. I'm having trouble understanding exactly what kind of setup I'd need to host this. I'm new to server ...
12
votes
1answer
960 views

Displaying cross-sections on a web page

I'm looking for inspiration and possible tools on how to display cross-sections on a (dynamic) webpage. More specifically I have to show on these cross-sections how underground pipelines are located ...
5
votes
2answers
3k views

Why is there a small white space between tiles in Chrome?

I'm using openlayers to display a google base-map layer and it works fine on Firefox/IE/Safari. I'm having problems with Chrome as the tiles have a small white space between them shown in this image. ...
2
votes
2answers
3k views

Retrieving Google Map data into Matlab to plot points

First of all, I hope this question isn't too basic, obvious or inappropriate for this forum. I'm very new to using map data. I'm working on a project on more accurate map routing using Matlab. My ...
1
vote
1answer
134 views

Pick object by properties (and centre on it)

I have a Leaflet map with a Cloudmade base layer and a single layer of polygons. Each of these polygons has a reference number attached as a property. I would like to select a reference number from a ...
18
votes
4answers
1k views

How do GIS web apps work?

I am completely new to GIS and therefore have questions regarding how the GIS Web development should be made, because the entire concept still confuses me. So, imagine I have a map. And by this, i ...
2
votes
2answers
1k views

Token doesn't work when applied to map service - Silverlight

I am trying to implement a Silverlight Web Mapping application with ArcGIS server and I'm trying to use the Token authentication with active directory as the user/roles store. I have the service ...
3
votes
2answers
953 views

Geoprocessing ArcGIS 10: Sending lat/long/elevation data to a geoprocessing service

I have a silverlight application that allows the user to select points to make a polyline. The polyline is densified per the users input (say every two feet). The new points are sent to an esri ...
3
votes
3answers
597 views

What is Geonode ? What all can be achieved using it?

Ok i have searched the site and did not find enough information concerning regarding what is a Geonode so i really thought i may ask everyone who has used it to give their opinion. I am trying to set ...
0
votes
2answers
1k views

GIS Web API - WFS-T Edit

My organization has a asset management application using Google Maps Java API as the GIS viewer. The application does some simple editing/querying on a kml file through html form elements. Instead ...
2
votes
1answer
213 views

Is there any simple Map Labeling Algorithm?

I was looking into how to Label a few features on a small Map, and want to label them on the fly. I would be adding a few features (a maximum of around 6 to 7) as graphics on a web-Map which has ...
3
votes
1answer
3k views

How to add or remove layers using esri javascript api

I want to use javascript and dojo to add and remove layers.
3
votes
1answer
6k 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 ...
7
votes
3answers
293 views

What tools do you recommend for this kind of web map?

I have one tourist map (ski resort) with buildings and roads in .jpg format. It's problem because north is down and south is up (it is that kind of drawn map with drawn mountain up on map where is ...
2
votes
1answer
1k views

How to choose between Markers and Features for drawing Openlayers objects?

Yesterday I was trying to create first mock-ups of my GPS tracker interface, and was exploring the available OpenLayers objects for drawing on a map. I began with simple task - placing a marker on a ...
1
vote
1answer
396 views

Gdal tiling error for EPSG: 3857

i have lots of data which was coordinated with gdal some programatic way at below: gdal_translate -of GTiff -a_ullr %s %s %s %s -a_srs EPSG:3857 %s/%s %s/%s.tif then for tiling them all i am ...
3
votes
1answer
562 views

How to save a Leaflet or OpenLayers map for opening later?

Can a webmap state be saved to a text file or something for restoring later? Like if I set up a map with a particular zoom and choose my layers and draw a polygon or two, can it be saved to a file and ...
0
votes
1answer
375 views

Google Map layer loads tiles even if this layer is disabled in OpenLayers

Sorry for cross posting I've asked this question in OL mailing list, but not get response yet. It is very important for me to resolve this issue. I've made a little example that reflect my problem. ...
2
votes
1answer
347 views

Converting x, y, zoom for Calculating tile bounds

i am working on calculating tile bounds lat lon from x,y,z tile coordinate. i have looked gdal2tiles code structure and i have found this good function: def TileLatLonBounds( tx, ty, zoom ): "Returns ...
2
votes
4answers
528 views

Are there ARCIMS still around or phased out?

My understanding is there are few companies still using ARCIMS and am wondering if it is still alive or phased out ? THanks
2
votes
3answers
3k views

Web Map Server (geoserver) on CentOS 6

I am trying to setup a web map server on a CentOS 6.2 virtual machine for development. I have never used Linux or web mapping frameworks, but I am trying to do this work as low cost as possible. So ...
6
votes
2answers
287 views

How could I crowdsource spatial data with online clickable map?

Here in northern Tanzania we are experiencing a huge westward butterfly migration - originally those of us who saw it thought it was local but it turns out that it's very widespread. We're getting ...
3
votes
3answers
509 views

What are the options for publishing maps online, with support for high-res aerial imagery?

The place I am working wants to publish their maps online - however the only system they have is mapshare, which isn't supported by ESRI anymore. I've suggested DEKHO but I think they are looking at ...
0
votes
0answers
61 views

Map stack preferences [duplicate]

Possible Duplicate: Comparison of JavaScript mapping libraries? I've spent most of my GIS life doing analysis and 3D stuff and after skirting the edges of web-mapping for a while (using ...
1
vote
1answer
658 views

How to join an external table to a set of polygons, and symbolize on the joined values, in a web map?

Say I have a table showing a number of statistics - for example, various gun crime by US State measures. I also have a dataset of state boundaries. How can I join the table to the features in a web ...
6
votes
1answer
691 views

What server and API to use for displaying complex polygons with dynamic symbology?

Background I need to interface a map into an existing website which allows the user to query a database and which currently results in a table listing population statistics per county. For example, ...
1
vote
1answer
2k views

Loading a raster using Openlayers and Mapserver

I'm trying to load a raster into my browser using Openlayers. I can examine my WMS raster layer using OpenJump, but I'm not able to get it to load into my browser. My mapfile is as follows: MAP ...
4
votes
3answers
372 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. ...
8
votes
4answers
200 views

Looking for political maps (administrative division)

I'm looking for an interactive map that shows ONLY administrative divisions of a country. I need to personalize it so when the user clicks a region, the map shows some information about it. If it ...
5
votes
1answer
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?
11
votes
3answers
863 views

Web mapping software for a huge raster time series?

I'm an ArcGIS Desktop user who is stepping into the world of web mapping for the first time. Following advice I found here on GIS.SE, I started with the free tutorials from OpenGeo. However, I ...
12
votes
2answers
5k views

OpenLayers alternatives supporting more client-side features

I am considering different architectures for a system that will ideally use client-side rendering for point features and must be plugin-free. I have been using this application developed in response ...
11
votes
2answers
582 views

Web-mapping with editing capabilities?

I'm embarking on a new web map project that seeks to display simple geometries (lines, points, polygons) and rasters/basemaps. Ideally, the map will also allow authorized users to add/remove/edit ...
0
votes
1answer
658 views

Purely client-side geocoding options for a webmap

I am creating a simple webmap that should be able to: Display external maptiles (any of the following: Cloudmade, Mapquest, Google). Overlay additional static layer in Geojson or KML format, that ...
1
vote
3answers
361 views

How can we improve the OpenLayers documentation? [closed]

I have difficulty understanding the documentation. Is it just me? Are there alternative sources of information?