Tagged Questions

1
vote
1answer
44 views

How to show Two Labels of One feature In Geoserver…?

I have prepared a Web GIS Map using Geoserver-Openlayers_Postgis....For One Feature I need to show two labels such as "premise_no' & "bld_name'... The following is the xml I used for styling(in ...
1
vote
1answer
62 views

Simple WebMapping application with postgis Database

am very new to web-mapping, so this question may be a little misguided. I want to develop a simple web mapping application using OpenLayers which can display Cadastral information that are currently ...
1
vote
1answer
32 views

Display information while map is zoomed using OpenLayers

I have a map being rendered by OpenLayers using GeoServer which is serving maps using PostGIS. In the database for each line feature type (i.e road), I have the name of that road. I'm looking for a ...
3
votes
2answers
61 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 ...
1
vote
1answer
34 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 ...
12
votes
4answers
266 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: ...
5
votes
1answer
128 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 ...
2
votes
1answer
69 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 ...
0
votes
0answers
69 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
181 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
180 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
66 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.
3
votes
2answers
152 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 ...
0
votes
1answer
227 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
240 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 ...

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