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

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3
votes
2answers
105 views

How to develop a web mapping app to upload, process, and download results?

I would like to make a web mapping application where a user can import their own x-y-z data file, then the application applies filters that I write to it, contours the resulting data, then displays ...
3
votes
3answers
713 views

Does OpenGeo Suite give their full capability for free?

Can you help me to decide if I should install Geoserver, PostgreSQL and OpenLayers by myself or should I use OpenGeo Suite as it involves all these? I would need full capability which all these ...
4
votes
1answer
325 views

What are offline/client geometry capabilities of ArcGIS JavaScript API?

Lately I've been going through ArcGIS JS API samples, but from what I've seen, it looks like all geometric functions always go through server, and use server side REST functions. There is no option to ...
7
votes
2answers
436 views

How to become a GIS Mobile Developer?

I am mid level GIS Analyst\GPS Coordinator who would like to become a GIS mobile developer at some point. At my workplace we work in the ESRI Platform,ArcGIS Server etc Being a GIS Analyst without any ...
1
vote
1answer
399 views

Flow mapping visualization using a road layer

I am trying to illustrate travel using a flow map on a road layer. My data is: city of origin destination number of travelers I would like to use a polygon city layer (or point) and a road layer, ...
1
vote
2answers
191 views

Publishing Maps to Mobile Devices and the Web

I have a bunch of agricultural information stored in a local postgis database. We use qgis to manipulate/analyze this information and to print output. I would like to publish this information (both ...
4
votes
3answers
291 views

map of europe in list of lat/long points

I'm looking for a list of lat/long coordinates which will describe all countries of europe. Ideally the list will also describe on which country each closed path belongs to. I'm imagining something ...
2
votes
0answers
475 views

3D maps on web application [duplicate]

1) Is there any web API which can show 3D trajectory below earth surface and can consume the ArcGIS feature service which can work closely with ArcGIS web platform. 2) Is there any way to publish ...
2
votes
2answers
903 views

Help getting my flex service publicly accessible

My organization is trying to get our web maps up and running. I have created a simple web map service on our in house ArcGIS server, using the Arcgis flexviewer that is visible locally, works great, ...
2
votes
1answer
613 views

Can I use SELECTION mode on FeatureLayer from ArcGIS.com Webmap in ESRI JS API

I am using an ArcGIS.com Webmap in an ESRI Javascript API application I am developing. One of the layers in my Webmap is rather large and cannot be rendered all at once when zoomed out, however I ...
1
vote
1answer
139 views

Display mouse position from graph on a map

i need to develop a web application which shows a map, that displays a GPS Route. So far I can do this using Openlayers or ArcGIS Server. Now I want to add an interactive graph below the map. In this ...
13
votes
5answers
1k views

Comparing two maps with nice web interface?

Is it possible in Leaflet or OpenLayers to compare two maps with a bar to slide between the two? Examples include: ...
8
votes
5answers
3k views

What is the best free web GIS browser?

Hi I have created several projects for several different clients. Each project has OS maps, shapefile layers from Government Bodies, Shapefile layers created, AutoCAD dxf loaded in (in various ...
7
votes
1answer
2k views

Possible ways to display maps offline, inside mobile hybrid app

I want to develop a mobile hybrid application to run on both Android & iPhone devices in which i want to display my own map data. I have the SHP files with the data i need. I have Geoserver and ...
3
votes
0answers
380 views

Error in uploading data in QGIS cloud

I want to publish my .shp file using QGIS Cloud plugin. I signed in to qgiscloud.com (free). On create new database it will auto create dbname='fbeudp_mfaphk' user='fbeudp_mfaphk' ...
0
votes
1answer
1k views

Why won't this mapbox map load into a DIV container?

All, For the life of me I can't figure out why I can't load a map into a CSS template I'm trying to customize. I've placed a fiddle here: http://jsfiddle.net/mapbaker/Du7zq/10/ Basically I'm ...
2
votes
0answers
91 views

spatial queries by webgis and virtualizing

i have a question regarding this tutorial: http://www.gistutor.com/postgresqlpostgis/10-intermediate-postgresqlpostgis-tutorials/75-understanding-postgis-spatial-queries.html As u see, it ...
2
votes
2answers
1k views

how to use mapproxy to serve WMS from reprojected google maps tiles

how to use mapproxy to serve WMS from reprojected google maps tiles, i have searched for docs, but there's no docs which describe how to add google maps as source.
2
votes
1answer
278 views

Problems with inspect element in browsers

I use google chromes inspect element for debugging. I have a map displayed on my page with 1 base layer (osm) and 2 overlays (wards, points) and a highlighter control. The map displays and works ...
10
votes
1answer
632 views

Steps for creating an online webmap with editable features using ArcGIS Server/SDE and SQL Server?

EDIT/UPDATE: I'm adding a bounty to this in hopes of obtaining a step-by-step guide to creating an online map with feature editing using the ArcGIS Flex API, SQL Server Express and ArcGIS Server 10.1. ...
7
votes
1answer
680 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) ...
1
vote
1answer
712 views

What is the best way to use Leaflet and Geoserver to highligh a feature after a WMS request?

I have a web map, and I'm hoping to make it interactive. The layer I have is reasonably large, at 15 mb in GeoJSON format 4 mb compressed, so I don't want to load the whole layer as one file. But, I ...
27
votes
3answers
9k 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
0answers
107 views

How to configure the Ubuntu server after publishing the map using Geoserver (Open GeoSuite)

I've installed the GeoServer that comes with the Open GeoSuite on Ubuntu. I've created an HTML page (index.html) inside the /usr/share/opengeo-suite-data/geoserver_data/www/ for viewing maps using ...
3
votes
1answer
2k views

ESRI Javascript API Export to Shapefile and CSV

I am working on a Javascript Web Application using the ESRI Javascript API v3.3. My application allows the user to edit and query data and also provides a table for attributes. I would like the user ...
2
votes
2answers
522 views

Why isn't map service displaying in ArcCatalog or rest services?

Update: I have an issue where my map services, which pull ortho-imagery from a cache, intermittently do not display in my services directory, ArcCatalog or my web portal. Currently I go into ...
4
votes
2answers
1k views

How Can I make UTFGrid files?

I have been looking at the UTFGrid specification and the usage of UTFGrid in Openlayers. How do I create the required UTFGrid files for my data in PostGIS?
0
votes
1answer
3k views

ESRI Javascript API: setting feature layer selection symbol

This seems like it should be a relatively simple thing to do, but for whatever reason I can't figure it out. I'm trying to add functionality to select a group of parcels as laid out in this example, ...
5
votes
2answers
208 views

Simplest way to make web maps with lots of shapes

I have some computed data about US Census blocks. I'd like to make a web map to display that data. I've searched around and found various tools, but I can't tell what is the simplest "lazy man's ...
3
votes
0answers
155 views

How to create a webmap showing point density?

I am trying to develop hotspot map showing point density in our gis based web application. After searching for an option I have decided to use v.kernel command. I have a table containing some point ...
3
votes
1answer
268 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 ...
4
votes
2answers
2k views

ESRI Javascript API: How to hide infoWindow 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 ...
-1
votes
2answers
2k views

Adding the draw control in Leaflet

I'm trying to add the Draw Control availble in with the Leaflet.Draw Plugin I've downloaded the code and stored in htdocs and point my page towards the js and css libraries needed. The page loads ok ...
2
votes
2answers
458 views

Options for displaying 3D data using ESRI web APIs [duplicate]

I've been looking through the documentation of the various ESRI web APIs to see if there is any support for displaying 3D data, but haven't found anything useful. Is there any support for this - or do ...
8
votes
2answers
2k views

Difference between a WMTS and a WMS?

What is the main difference between a Web Map Tile Service (WMTS) and a Web Map Service (WMS) When should you choose one over the other? What are the (dis)advantages by choosing one ...
11
votes
5answers
6k views

Libraries to render vector-based maps in the browser

Is there a open source JavaScript library like leaflet or openlayer which can be used in a web or mobile application and loads vector-based maps instead of images? I only need the road information and ...
2
votes
1answer
5k views

How to geocode addresses from MySQL and add them like markers to the Google map?

I'm using Google Maps API and Google Geocoding for geocoding addresses. I have table named 'users' and column named 'location' in MySQL database. Column 'location' contains addresses. I need to ...
0
votes
0answers
119 views

How to create a collaborative mapping website?

I have read about webservers, static and dynamic pages, cgi-bin... I can create a simple web mapping service in which a map with layers and controls will be there. And now I want to provide login ...
2
votes
2answers
579 views

Do the recent developments in the Google Maps API replace necessity of OpenLayers?

I think the main drawback of the Google Maps API is that we can't add our own vector data or raster imagery as one of the layers in the map. Is this correct? Or is there any alternative in the Google ...
1
vote
1answer
101 views

How to Add Network Analyst dll in My Web Mapping Application adf?

I'm a beginner in ArcGIS & I'm shooting blind really. I want to add the Network Analyst tool box to find the shortest path in my project. I tried this solution: I can't add Network Analyst dll ...
1
vote
1answer
1k views

How to create shortest route and multiple routes service using openlayers?

I created a digital database of many important features and locations of my city. and I want to create a web application in which shortest distance between two locations can be calculated and ...
1
vote
1answer
91 views

When we type an address in search bar, in some web mapping applications like google maps, a list of words automatically displayed from the database.

What is actually happening behind the code and how should be the code? when we search for a specifc word, will it look in the database (here it is postGIS) and lists the similar words.
1
vote
1answer
883 views

How to add images in CartoDB infowindows

Can't seem to get the default site to display images. I've added hrefs to a image column. example; I've dragged the image column to the top of the infowindow sidebar app and it still just displays ...
1
vote
0answers
57 views

PgRouting: Connect route to table

I would like to show the edges of the result route in a table, like this: http://routing.geosdi.org/ I did the pgrouting part, just have to make the table and connect it. How can I achieve this?
2
votes
0answers
786 views

Projecting point in Leaflet from EPSG 900913 (same as 3857) to EPSG 2232 with proj4js returning unexpected results

I have a leaflet map from which I want to be able to query an api that accepts x y values in EPSG 2232 as inputs. Leaflet doesn't handle point transformations like Open Layers does so I am trying to ...
0
votes
0answers
81 views

Generating a Web based map interface from ArcGIS export file

I have an XML export file from an ArcGIS geodatabase with the following fields: OBJECT ID (-) Shape (-) Grid_Area_ha_1 (ha) Shape_Length_1 (m) Shape_Area_1 (m2) Residue_Yield_t_a_Restrict_NEW (t/a) ...
4
votes
2answers
448 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. ...
0
votes
0answers
36 views

Is it possible to manually add lines(routes) on a map?

i was wondering if it was possible to manually plot routes on a self generated map. currently i'm following the switch2osm.org tutorial on how to build my own tile server. i've also found pgrouting ...
40
votes
3answers
22k views

EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet

The discussion at What is the difference between WGS84 and EPSG4326? shows that 4326 is just the EPSG identifier of WGS84.. Wikipedia entries for Google Maps and OpenStreetMap shows that they both ...
6
votes
1answer
1k views

What is the best way to connect spatial data with attributes in Excel table?

I have many attributes which are stored in an Excel table. They refer to USA counties. I need to somehow connect those attributes to polygons in some format (don't know which is the best) and ...