clustering shp file

[Suhad Faisal]

Hello 

I try to cluster a shape file divided as voronoi  polygons, to make it as groups of aggregated adjacent polygons , according to this code 

but it seems to be wrong , can you advice me please , I also try many different values as the max. distance between the polygons, but the same result .

Can I control the number of resulted groups of clusters ? 

How can I verify the generated clusters?  to use each of them independently

  model ProtoType

global 

{   

file         vor             <-file('../includes/VoronoiVoronoi.shp')   ;

geometry     shape           <-envelope(vor)                            ;

 init 

         {

         

create vorpoly from: vor with:[towerpoly ::int(read('Tower')), 

                          location.x::int(read('pos_x')),

                          location.y::int(read('pos_y'))];    

list<list<vorpoly>> clusters <- list<list<vorpoly>>(simple_clustering_by_distance(vorpoly, 0.2));

               

               loop cluster over: clusters {

                rgb rnd_color <- rgb(rnd(255),rnd(255),rnd(255));

                ask cluster as: vorpoly { color <- rnd_color;     }

               

                }

                           }//init

                                            }//global   

                                                        

entities

 {

  species vorpoly 

{     rgb      color ;

int       towerpoly;

       aspect vorpolygon { draw  shape   color:  color  ;      }        }     }

                    

experiment Clustering     type:gui  { output { display  city_display   refresh_every: 1 type:java2D  

 {     species vorpoly      aspect:vorpolygon  transparency:0.5;    }  }  }   

any Example !

thanks in advance 

cheers

suhad

[Srirama Bhamidipati]

Hi,

May be you can consider making your polygons to points? 

There is a distant cousin of GAMA by the name GAM (geographic analysis machine), may be you can try that ? I think it is also java based and free and on google code. www.ccg.leeds.ac.uk/software/gam  .. if you find those methods suitable, you can request GAMA for a specific method and may be they add that method for you.

regards,

srirama

[Suhad Faisal]

Thank you veeeeeeeeeeeeeeeeeeeeeeeery much Srirama , I will try it 

you are great supporter 

cheers

Suhad

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