[GRASS5] New r.proj.new

Markus Neteler neteler at geog.uni-hannover.de
Tue Aug 29 05:19:47 EDT 2000


Hi all,

Morten Hulden has done much work on r.proj:

"> Item: r.proj                                                                  
> I've done some hacking on r.proj and I now have a patch that                  
>       - aborts if the input map is outside current region                     
>       - trims the output map to the current region or smaller                 
>       - does not allocate more memory than necessary for projecting the       
>         overlapping parts of the input map and output region                          
>       - aligns cell edges and centers of the output map exactly to those      
>          of output region                                                              
>       - matches (unless changed explicitly) resolution exactly to that        
>          of output region                                                              
>       - during overlap checks, passes cell centers to PROJ instead of         
>      edges (which are invalid in many projections, causing 'Error in do_proj'      
>      aborts)                                                                       
>       - allows projecting azimuthal, conical etc maps even if north is        
>      not upward or east is not rightward (no more 'north must be greater than      
>      south' or 'east must be greater than west' errors)                           
>


It is in CVS now.

Thanks, Morten!!

 Markus

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