[R-sig-Geo] seamless maps

[Hans-Jörg Bibiko]

On 08.01.2009, at 14:27, Roger Bivand wrote:

> On Thu, 8 Jan 2009, Hans-Jörg Bibiko wrote:
>
>> Hi,
>>
>> I wonder if there's a workaround to generate seamless maps based on  
>> SpatialPolygons objects. E.g. to produce a map showing Australia at  
>> the left edge and America at the right one ( xlim := min: 110°E ,  
>> max: 30°W ).
>> Or the way around, is there a function to re-center a given map by  
>> defining the median longitude? (I know the function 'recenter'  
>> which produce a map from 0° to 360°)


Dear Roger and Matt,

many thanks for the hints. I'll have a look at these.


Best,

--Hans

**********************************************************
Hans-Joerg Bibiko
Max Planck Institute for Evolutionary Anthropology
Department of Linguistics
Deutscher Platz 6     phone:   +49 (0) 341 3550 341
D-04103 Leipzig       fax:     +49 (0) 341 3550 333
Germany               e-mail:  bibiko at eva.mpg.de