Murat -

  Here's an alternative thought that you might find simpler than

JTS - why not store the area of the object (car, bus) as a property

of the object and have the sensor query this property and "respond"

appropriately?



-Mike



On 12/21/2010 5:38 PM, murat karakaya wrote:

> Mark,

> Thank you for the reply,

> however, I'm looking for a simpler solution -in terms of learning time of new classes-

>  

> murat

>

> On Tue, Dec 21, 2010 at 4:11 PM, Mark Coletti <[log in to unmask] <mailto:[log in to unmask]>>

> wrote:

>

>     On Mon, Dec 20, 2010 at 6:12 PM, Murat KARAKAYA <[log in to unmask]

>     <mailto:[log in to unmask]>> wrote:

>     > I want to simulate a sensor network composing of static sensor nodes which

>     > monitor a road for passing-by objects. These mobile objects are in different

>     > shapes and areas. I want to sensor nodes would sense the object not by its

>     > center coordinates but by its area. For example a car object would have a

>     > small rectangle area wrt that of a bus object.

>

>     You may want to look into GeoMason.  Though the intent with GeoMason

>     is to deal with geospatial entities, it is wrapped round the Java

>     Topology Suit (JTS).  JTS provides the type of functionality you are

>     looking for, including querying Geometry area.

>

>     GeoMason is found in the "contrib" directory in the main MASON distribution.

>

>