Grids are not vector format - you could coerce the SpatialGridDataFrame to a
SpatialPointsDataFrame, but is this the kind of output you need? SpatialPixels
can also be coerced to SpatialPolygons rectangles, but what you do will depend
on your needs.
Roger
--- Roger Bivand, NHH, Helleveien 30
I think that if you cast to SpatialPixels first, the problem will go away,
because the all-NA cases are dropped with their coordinates. Could you try the
same example with meuse.grid and see how it goes?
Roger
---
Roger Bivand, NHH, Helleveien 30, N-5045 Bergen, [EMAIL PROTECTED]
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Hi there,
I need to convert a raster (ascGrid) format to Shape files.
Is there a way of to do that on R?
Kind regards
miltinho
http://yahoo.com.br/oqueeuganhocomisso
[[alternative HTML versio
It also reports diagnostic messages with the help of a
DiagnosticListener instance.
http://zzwrong.hk/
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It is often the case, at least with raster (grid) objects,
that you are not interested on a part of the raster.
For example because it's outside a non.rectangular region of study
and/or because some types of terrain (some classes) are outside
the scope of the study. In any case, those parts can be
On Mon, 18 Jun 2007, Kitty Lee wrote:
> Just want to follow up from my earlier post
This is overlay() in the sp package for SpatialPolygons and SpatialPoints,
and you will need to use the deldir package to provide polygons of bounded
rather than infinite area - see the thread refered to her
On Tue, 19 Jun 2007, KAM Tin Seong wrote:
> Hi all,
>
> I have a set of point data in sp's Spatial Point Data Frame format and
> would like to analyse this data using Splancs, can someone advice me how
> should I go about doing it. By the way how to define a Splancs poly
> object.
You asked a
