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

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3
votes
3answers
2k views

gdal2tiles.py generates wrong tiles / MapTiler the right ones

I'm trying to generate tiles with gdal2tiles.py and the resulting tiles are stored as 18/132639/164219. If I do the same thing with MapTiler (the GUI variant of gdal2tiles) the tile result is ...
0
votes
0answers
45 views

How to get attribute details from shapefile in ms4w?

server through my initial search I do some basic coding. Now my problem is how to show the attribute details from shapefile. I can able to get map but I am not able to get names. below is my code: ...
1
vote
1answer
129 views

Best way to show shape file in a layered map

I'm creating my first app using maps and shape files. I have some shapefiles with attached dbase databases and I would like to show these shape files as an overlay on a map. I have JavaScript code ...
1
vote
1answer
1k views

How to open overlay content from leaflet popup

Hi! I am currently working on an interactive leaflet map. I managed to display markers from a database via php (create an array). Now I want users to create markers with a click on the map. To add a ...
0
votes
1answer
97 views

Load single image by map API and draw overlays

I have an image which I want to make it zoomable and dragable in browser, and draw some overlays like lines and markers on it. So I wonder if I can use the map api like Google map or openlayers to ...
1
vote
1answer
61 views

How to load territorial maps on QGIS from web?

Is it possible to use QGIS like Google Earth? I need to draw simple shapes on territorial maps. I would like to do that without using multiple files for each part of the Earth. I use QGIS 1.8, but I ...
2
votes
1answer
7k 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 ...
4
votes
2answers
247 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: ...
1
vote
1answer
257 views

Setting up local ArcGIS feature access services in Geocortex when the services (and end users) are behind a firewall

We have an ArcGIS server (version 10.1) at my workplace - it is inside the firewall, and will (it seems) stay there. We also have a Geocortex web mapping solution based on Amazon hosting (version ...
3
votes
0answers
304 views

Open Trip Planner rest api request

following this tutorial I set up a Open Trip Planner (version 0.11.0) stand alone server. It works very well at http://localhost:8080/index.html and for example at ...
2
votes
2answers
60 views

Posting a visualization to a website

I'm hoping this is an easy question because I'm a pretty novice web dude: I've made a visualization in CartoDB, but rather than simply embedding as an iframe, I'd prefer to get the javascript code ...
0
votes
0answers
23 views

Alternative map solutions for a web application behind a paywall (paid webapp) [duplicate]

I am planning to start developing a map enabled application behind a paywall (paid webapp). Since Google requires to license Google maps API for Work (by contacting a representative) I have no idea ...
0
votes
1answer
41 views

API to online map

I've had a search online and still a bit confused. Would someone be able to outline a summary of the basic configuration of exposing data to an online map from an API. The API supports a REST model ...
1
vote
0answers
47 views

ArcGIS Online Attachments sorting

I'm working with a feature class where I've generated 11 match tables for attachments for 11 chronological and numerically sorted fields. After going through the attachment process, everything is ...
1
vote
1answer
22 views

Web Mapping with Select by Rectangle and Modify Symbology?

I want to create a free/simple web map where users can click & drag to select polygons in the map, then once selected, choose a color for all selected polygons. The map should also maintain these ...
1
vote
1answer
480 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, ...
6
votes
1answer
154 views

Interactive geographic region definitions

Background An organization has regions within a province, but has no list of coordinates that define region boundaries. I would like to draw custom polygon areas on a map using a web-based and ...
1
vote
1answer
83 views

Adding vector layer over WMS using OpenLayers?

I am trying to add vector layer to my map from a GeoJSON file stored in the same directory as my maps index.html. However It wont work. Is there something wrong with my syntax? My code: ...
3
votes
1answer
303 views

Styled markers : how to get bouncing markers with location dots?

I want to mark important location with bigger markers (pointer with forks) and smaller location with normal markers (colored dots). I want big markers to bounce on hover. How to acheive this effect in ...
6
votes
1answer
525 views

How to get a KML of Wikipedia POIs?

I'm looking at the possibility of using a kml layer in a 'geoserver' to provide attribute information on a point. Is there a KML file for the Wikipedia Places articles as it is used in Google earth or ...
0
votes
0answers
122 views

Web-enable directory for web app template

Attempting to host a folder on a web server for use in AGOL. I originally downloaded Esri's Edit template from here https://github.com/Esri/edit-template and then moved the files onto my web server. ...
6
votes
4answers
230 views

Most timely source of California Fire Map data?

Fire season always has me scouring the web for satellite fire map information. Unfortunately many of the locations I find are outdated or not maintained well. What would be the best site to go to for ...
2
votes
1answer
178 views

Setting Rotation of ExportWebMap

I see from the ExportWebMap specification that rotation can be set in the JSON object sent to the sever. Does anyone know if this can be accessed via the ESRI JavaScript API (v3.9)? I do not need to ...
1
vote
0answers
29 views

Creating Interactive Map Using Something Other Than Google? [duplicate]

I have a Roleplay Forum, and I would like to add a map of my Roleplay World to the website. I would like my map to be clickable, and have each location take you to a place on the forum. I don't know ...
4
votes
1answer
323 views

How is StreetDirectory.com web map application developed?

I wonder can you tell me how is developed map application like on this site? http://www.streetdirectory.com What API is used?
2
votes
0answers
196 views

Comparison of SDI frameworks

What are the main differences between these SDI, especially in the level of geospatial features and ease of integration with existing CMS? Cartaro Geonode GeOrchestra EasySDI I wonder for the ...
3
votes
3answers
1k 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 ...
2
votes
0answers
261 views

Developing maps using Tile Mill and Processing(.org)?

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 ...
2
votes
2answers
482 views

How to generate legend in leaflet webmap?

Although I have checked the "Create Legend" option in the qgis2leaf plugin, it did not generate any legend in the output webmap. What am I missing here ?
1
vote
2answers
165 views

Is it possible to edit geographic data over the web in QGIS cloud or QGIS server?

I'm looking for something similar to the ArcGis Server example but based on QGIS. Could anybody tell me where I can get more information about functionalities like this?
0
votes
0answers
68 views

Validate ArcGIS Viewer for Flex application using Active Directory?

I have created WebGIS Portal for my organization based on the Flex Viewer for ArcGIS Server. We have created two separate WebGIS portal for editing and Viewing purpose and two user groups already ...
1
vote
0answers
52 views

GeoDjango WebMapping Application Update

According to the below GIS.SE questions, GeoDjango was the preferred framework for creating simple and quick webmap applications. But these questions are now all 2-3 years old. Can we verify whether ...
2
votes
1answer
203 views

My woes rendering shape files on web-based mapping application

First, I'd like to let it be known that this is my first journey into developing mapping applications with such a large set of data. So, I am in way locked into the techniques or technologies listed ...
0
votes
1answer
86 views

Can I tie-in a data collection form with an online map service to crowdsource values for map features?

Apologies if this has been covered before. I've done some research but unfortunately my Google Fu has failed me. I want to be able to collect some simple numeric data from multiple people over the ...
54
votes
3answers
37k 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
2k 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.
1
vote
0answers
182 views

GIS with UI options? Creating a Map based WebApp fast

I want to build a WebApp which is basically a map with points of interest, filters, and a list of those points. Something really similar to AirBnB, or any other map based app. Of course, I could ...
2
votes
2answers
55 views

Are CartoDB Map views by month or by year?

We have 10000 map views with the free version of CartoDB. Are they reset every month or is it the maximum views for the all utilisation ?
6
votes
1answer
332 views

How to get elevation profile from .tif dsm on the web map?

I have my dsm .tiff file, pixels are floating point 32bit values giving the terrain elevation in metres. I need to create a web map where user can draw a path and get elevation profile for that path. ...
0
votes
0answers
15 views

How to set up proxy for Geoserver GetFeatureInfo call? [duplicate]

I have problems with cross domain, I call GetFeatureInfo in Leaflet API. I was looking for solution and saw that proxy could solve that problem. Can you help me how to set it up? I have geoserver run ...
2
votes
0answers
46 views

Displaying buses from a transport network (newbie)

First of all, I'm noob in this subject so please give me some advice. I'd like to develop something like http://traintimes.org.uk/map/london-buses/#73 but with my own city. Unfortunately our MTA ...
4
votes
3answers
230 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 ...
3
votes
8answers
12k views

How to create an interactive map with jQuery and HTML?

I want to develop a map in JQuery and HTML. It needs to show world country borders. It must be enabled mouse hover effect and also popup (when mouse over) in which I can add my own text. What JS ...
0
votes
1answer
223 views

Mapping application basic for ruby on rails

I am new to build map application using ruby on rails, with rails 4.1.1. I want to create map using map tiles. i have to use PostgreSQL database with postgis. Can you please explain how this flow ...
4
votes
2answers
307 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 ...
16
votes
5answers
6k views

Visualizing large datasets with Leaflet

When using Leaflet to visualize a large dataset (GeoJSON with 10,000 point features), not surprisingly the browser crashes or hangs. A sub-sample of 1000 features from the same dataset works ...
0
votes
1answer
324 views

How to add title to mapbox <iframe> embed

I am embedding a map I made in Tilemill/Mapbox onto a Wix website. Items of the map such as legend, title, and description are not automatically included in the embed. I learned how to add the legend ...
2
votes
0answers
80 views

loading geojson in leaflet

I just added the geoJSON vector layer in leaflet for my hybrid mobile app using phonegap, the problem is that when I add the geoJSON file of size larger than 2mb the application crashes. What is the ...
2
votes
0answers
51 views

Layer Turned Off But Pop Up Showing

I'm having an issue with my popup in my map made using ArcGIS online. One of my group layers contain 4 layers. When I turn all of the layers in this group layer off, the second layer's popup still ...
1
vote
2answers
179 views

Choosing web mapping API to use with MySQL for making map of one country? [duplicate]

I hope this question isn't too general, but I'm new to using maps, I'd like to make a map of one country on which I can plot points according to their geocodes from my mysql database, and to have the ...