Tagged Questions

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

learn more… | top users | synonyms (1)

3
votes
0answers
369 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
949 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
271 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
612 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
661 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
704 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
8k 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
105 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
507 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
938 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
202 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
151 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
263 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
1k 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
448 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
5k 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
118 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
571 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
977 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
815 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
779 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
80 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
437 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 ...
38
votes
3answers
20k 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 ...
5
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 ...
3
votes
2answers
244 views

What are the requirements for building a Web Mapping and analysis Site?

I want to make a site like bhuvan in which it can provide different layers of information and also tools for performing GIS analysis I know three main requirements : client side scripting ...
4
votes
1answer
1k views

Does Leaflet has option for scale dependent layers?

Is it possible to show layers with Leaflet depending on scaling? For example not show counties until zoom level reaches 10. Thanks.
4
votes
1answer
214 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 ...
0
votes
2answers
589 views

Testing software (like QTP ,Selenium) for ESRI platform (Desktop and Web based)

Does anybody know any testing software/tools for ArcGIS platform (version 10.1). Specifically : Customized ArcGIS Desktop application & Web application. I researched on Google but am not able to ...
1
vote
2answers
545 views

How to use Leaflet marker clustering with image map only?

I have image map of one state, where I would like to put about 100 markers. Is it possible to use only one image map instead of CloudMade tiles Leaflet usually uses? So, I need only that image to be ...
0
votes
2answers
455 views

How to draw a linear map programmatically?

I'm new to GIS programming and I'm using OpenLayers for my GIS project. I want to know how to draw a linear map programmatically between two locations from a real geographical map (may be OpenLayers). ...
3
votes
1answer
532 views

How to set up a background map in WGS84 projection for interactive map?

I've started developing my own interactive map and I have some things which are not clear to me. I heard that OSM, Google maps and all similar maps use Google Mercator projection. But if I use that ...
0
votes
0answers
778 views

PostGIS data visualization

I have dump my data in PostGIS from shapefile successfully. I made a postgres connection through PHP and that also returning the data of other field. But the main problem is GEOM field visualization. ...
3
votes
1answer
164 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 ...
2
votes
0answers
779 views

Problem with multipolygon in Leaflet

I'm using Leaflet L.Polygon, but for some reason there's only blank site. Here's my code: var map = L.map('map').setView([37.8, -96], 4); var cloudmade = ...
8
votes
4answers
560 views

How to publish maps to web with no programming required?

I am new to GIS web development. I do not have any programming background and I want all the maps that I design in GIS (shapefiles, using ArcGIS 9.3) to be published on the web. Please tell me the ...
16
votes
3answers
3k views

Database for offline slippy map tiles

I currently have an offline HTML5 map application (built on Leaflet & KendoUI with custom additions) that has an app manifest and works fine on multiple platforms. However, I am hesitant to use ...
9
votes
3answers
2k views

Chart inside pop up window in Javascript

How to show a chart inside pop up window? I'm using Leaflet JS, which has support for raphael plugin http://dynmeth.github.com/RaphaelLayer/. Is it possible to create a div inside popup window? I was ...
3
votes
1answer
1k views

Problems with gxp Print plugin via opengeosuite sdk

I am trying to import the print plugin within an application built using the Opengeo Suite sdk and I have run into issues as is described in the following thread ...