eurocontrol lara - presentation

The European Organisation for the Safety of Air Navigation

LARALocal And sub-Regional ASM support system

Civil-Military Cooperation

Prismil Interface and LARA PostGIS DB

October 28th 2010

Salvatore CorvasceCND/COE/AT/AO

Outline

Prismil Interface Enhancements of Mission data retrieval PADAC Google Earth extension to CDRs Availability

LARA Data Base PostGIS implementation Replication/load balancing investigation

What is working now ?

Demo

LARA Server External Interface API

Lara

LARA Server – Prismil Interface

Prismil interface

Synchronisation between Lara and Prismillnterface

ConnectionLARA DB

Connection PRISMIL CLIENT

ConnectionIntermediate DB

Static data in Lara must be inserted in the intermediate database when the PrismilClient is launched.

Once database are synchronised, the PrismilClient will subscribe to events concerning creation or change of reservations.

Synchronisation (DBs)

Enhancements of Mission data retrieval

Before Connection

After Connection

LARA DB - Mission

Prismil Interface DB - Mission

PADAC

PADAC interface – Before import

• PADAC database Airspace Airport Mission …

Import process

PADAC interface - After import

• PADAC database UPDATE Airspace Airport Mission …

LARA DB PostGIS

PostGIS is an open source software program that adds support for

geographic objects to the PostgreSQL object-relational database

Create an Airspace and Populate Disjoint Adjacent Overlaps

PostGIS – Airspace and Populate

How can I create an Airspace and Populate it into a PostGIS db?

EBTRAN1

EBTRAN2

EBTRANA

EBTSA28A

Airspace - Disjoint

Airspace selected: EBTSA28A

EBTRAN1

EBTRAN2

EBTRANA

EBTSA28A

Output:3 Airspace are disjoints

Airspace - Adjacent

Airspace selected: EBTRAN2

EBTRAN1

EBTRAN2

EBTRANA

EBTSA28A

Output:1 Airspace is adjacent

Airspace - Overlaps

Airspace selected: EBTRANA

EBTRAN1

EBTRAN2

EBTRANA

EBTSA28A

Output:2 Airspace are overlaps

Google Earth extension to CDRs Availability

UN852–SPY–LUTOM

UN852–LUTOM-TERLA

CDR

Goo

gle

Ear

th

LAR

A

Google Earth Layer Usage update

Label Layer Usage

What is working now ?

Implementation in JAVA

PostGIS

Google Earth extension to CDRs Availability Slony-I

is an asynchronous master-slave replication system for the PostgreSQL DBMS. Asynchronous means that when a database transaction has been committed to the master server, it is not yet guaranteed to be available in slaves. Cascading means that replicas can be created (and updated) via other replicas