0
votes
0answers
167 views

Populate feature grid with database query results Using JSON, JSP

I convert database query result into json format.But this json data not populate on feature grid, Not showing any errors.not able to understand the error.please tell me what is wrong with this code I ...
2
votes
3answers
124 views

How should I implement a many-to-many relationship in a web mapping application?

Scenario: I am given a layer of point locations called "problems." These will be displayed on a web map. Users will then use the web map interface to create and populate field information for a point ...
3
votes
1answer
232 views

Visualizing Spatial Query

I'm new to GIS applications and trying to figure out what options I have for visualizing spatial query results that combine raster and vector data using OpenLayers/GeoExt/GeoServer/PostGIS. A ...
1
vote
1answer
826 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 ...
8
votes
2answers
256 views

Which Geo stack for an online strategic wargame?

I'm googling around for some weeks but I've some difficulties to figure out where to begin my project and which part of the available Geo stacks are mandatory for my needs. I have a strong Java ...
1
vote
1answer
158 views

How can i symbolize a map dynamically by data stored in mysql database in many tables (these tables have relationship through Primary Key and FK)

How can i symbolize a map dynamically by data stored in mysql database in many tables (these tables have relationship through Primary Key and FK). For instance "Disease Name"(chosen from drop down ...
2
votes
3answers
789 views

adding non spatial attributes using geoserver

I am using Openlayers + geoext to perform transaction operations in postgis database using geoserver . i can insert spatial data into postgis but cannot insert other data like road name, road type in ...
0
votes
1answer
460 views

Changes made using wfs-t and GeoExt don't get saved to PostGIS

I'm using GeoExt to display and edit a vector layer from GeoServer (running with Apache Tomcat) but if I modify the shape of an existing polygon (or create a new one but I'm trying not to leap ahead ...