[R-sig-Geo] black and white textures for reclassed map in R

[Roger Bivand]

On Mon, 31 Aug 2015, Seyed Jalil Alavi via R-sig-Geo wrote:

> Dear all
>
>
> I am going to map the forest productivity using geostatistical methods  
> like kriging, IDW, etc in R. I would like to publish the reclassed maps 
> as black and white with different textures in R. I do not know how to do 
> that. I need 6 textures for example vertical texture, horizontal texture 
> for each category.

Base graphics use hashing as described in ?polygon; so the plot() method 
for SpatialPolygon objects uses them too, see: ?"Spatial-class". See also:

http://rspatial.r-forge.r-project.org/gallery/#fig15.R

for an example with code.

Roger

>
> I would be very grateful if anyone can help me to do that in R.
>
> Thank you so much
>
> regards
>
> SJA 
>
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>
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-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; fax +47 55 95 91 00
e-mail: Roger.Bivand at nhh.no