OpenJUMP is an open-source geographic information system (GIS) application written
in Java. It provides the built-in map visualization feature for spatial analysis,
such as buffer analysis, intersection computing, and union computing. In addition,
its plug-in system allows you to customize the functionality as needed.
Add a connection to a Ganos database
- Run OpenJUMP. In the top navigation bar, choose . In the dialog box that appears, click Data Store Layer in the left-side navigation pane.
- In the Connection Manager dialog box that appears, click Add.
- In the Add Connection dialog box that appears, set connection parameters.
The following table describes the parameters.
Parameter |
Description |
Name |
The custom name of the connection. |
Driver |
The driver of the connection. Set this parameter to PostGIS.
|
Server |
The IP address of the database or the public network endpoint of the ApsaraDB for
Relational Database Service (RDS) or PolarDB instance. You can obtain the endpoint
from the Alibaba Cloud console.
|
Port |
The port number of the database. You can obtain the port number from the Alibaba Cloud
console.
|
Database |
The name of the database to be connected. |
User |
The username used to log on to the database. |
Password |
The password used to log on to the database. |
- After setting the parameters, click OK. All layers in the connected Ganos database appear.
View and manage the geospatial data
After OpenJUMP is connected to the Ganos database, you can view and manage the geospatial
data. Supported operations include zooming in, zooming out, walkthrough, and symbolic
rendering.
You can also query the attributes of a geometry object.