Next! Navigator

Next! Navigator

Dario Di Nucci, Fabio Palomba, Michele TufanoUniversity of Salerno

giovedì 6 giugno 13

WHAT IS NEXT!?

A WEBGIS TO SUPPORT NAVIGATION IN NEXT!

DESIGNING NEXT! NAVIGATOR

INTRODUCING NEXT!


INTRODUCING NEXT!


What is Next!?

An Android app to support tourists activities

Next! guess your next favourite place or look for

places next to your position

An Android app to increase cultural baggage


Next! includes multimedia information like images and videos from Youtube and

other Google apps

Next! includes historical

informations from Wikipedia

What is Next!?


Suggests in Next!

Next! “automatically” know what is the nearest place closest to user interests

Using Search Graph, Next! traces all sites visited by users

In this way, is easy to suggest the right next sites for an user


DESIGNING NEXT! NAVIGATOR


FEASABILITY STUDY

REQUIREMENTS SPECIFICATION

CONCEPTUAL DESIGN

DATA ANALYSIS

HW/SW ANALYSIS

DB DESIGN

PROTOTYPE/BENCHMARK

DB CONSTRUCTION

SYSTEM INTEGRATION

APPLICATIONS DEVELOMPMENT

GIS USE AND MAINTENANCE

HW/SW PURCHASING

GIS Planning


FEASABILITY STUDY

REQUIREMENTS SPECIFICATION

CONCEPTUAL DESIGN

DATA ANALYSIS

HW/SW ANALYSIS

DB DESIGN

BENCHMARK

DB CONSTRUCTION

SYSTEM INTEGRATION

APPLICATIONS DEVELOMPMENT

PROTOTYPE

HW/SW PURCHASING

GIS Planning


Requirements Specification

Georeferenced map according to user location

Path building that connects the user to a cultural site

Map should include other info like parking, foods,

leisure...


Data Analysis

Overlay maps with cultural sites and

other places

A Base map


DATA/SERVICE REQUESTED HW/SW NEEDED

Base Map Map Server

Overlay Map Map Server

Path building External Application

Hw/Sw Analysis


Choosing Hw/Sw

CloudMade provides tile maps to Next! Navigator

Its license is narrow-free

For this reason, we expected also the maps

provided by MQ


OSM allows free access to maps and all data you need

The overlay maps are created by ourself, using

QuantumGIS

Choosing Hw/Sw


Overlay Maps ConstructionDB Design


Overlay Maps ConstructionDB Definition

Raster filesShapefiles

SQLgeoreferencing spit

spatial analysis


Application Deployment

Apache 2.2 with PostgreSQL connector and enabled to PHP5

A webGIS needs a web server


Application DeploymentA webGIS needs a web server


Application Design


What’s in GeoDB

In the geoDB there are data obtained from different sources

Data for Overlay Maps

Data for Routing construction


Insert Data in GeoDB

Data used for the overlay maps inserted in the GeoDB using Spit, a

QGIS plugin

Data used for the routing construction inserted in the GeoDB using osm2po

SPIT


pgrouting allows to choose between1) Dijkstra Shortest path 2) A-Star Shortest path 3) Shooting-Star Shortest path

Path Buildingpgrouting is an open source library that provides

geospacial routing functionality

pgrouting gets the user position by GPS and cultural site position

by Nominatim geocoder


pgrouting allows to choose between1) Dijkstra Shortest path 2) A-Star Shortest path 3) Shooting-Star Shortest path

More efficient

Path Buildingpgrouting is an open source library that provides

geospacial routing functionality

pgrouting gets the user position by GPS and cultural site position

by Nominatim geocoder


Put It All TogetherSystem Integration

Leaflet is a JavaScript library that allows the construction of

interactive maps

Leaflet allows the user to control the map (zoom, classic view, night

view, satellite view)


Put It All Together

LEAFLET

get POI at

fixed

distance α

Now α=10 km fro

m

GPS position

System Integration


Next! Navigator in Next!

DEMO


Pilot TestGoals

Efficacy

Efficiency

Bug Discovery

Data Quality


Pilot Test

DATA VALUE

City Rome

# Cultural Sites 12

# Parking 1

All the platform was implemented on a local server

Environment Setting


Pilot TestUsers Selection

20 Users

20 users from two universities and 3 degree

course


Pilot TestTest Results

OSM Quality/CostBase Map QualityUser Interface

Routing calculation timeSometimes, OSM not cover minor streetsZoom Satellite Map


conclusionsfuture works

Conclusions & Future Works

PostgreSQL optimization

More cultural sites, more parkings...

Integration Testing with Next! using a remote server


Conclusions & Future Works

We’ll submit our project to upXapp contest in few days


Thank you!

Questions and/orcomments

Dario Di Nucci [email protected] Palomba [email protected] Tufano [email protected]


mailto:[email protected]






Technology

Next! Navigator