<div dir="ltr"><div style>require(raster)</div>## criando um raster <div>r <- raster(ncol=20,nrow=20)<br><div style>## atribuindo valores</div><div>r[] <- (1:ncell(r))*100</div><div style>## linha, coluna, celula, valor</div>
<div>cbind(rowColFromCell(r,1:ncell(r)), 1:ncell(r),getValues(r))<br></div></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/6/20 Elias Krainski <span dir="ltr"><<a href="mailto:eliaskrainski@yahoo.com.br" target="_blank">eliaskrainski@yahoo.com.br</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Oi Alex,<br>
<br>
Veja este exemplo aplicado ao raster do exemplo da funcao citada.<br>
<br>
  require(raster)<br>
  example(rasterToPolygons)<br>
<br>
  pol@data$i <- col(matrix(1L,36,18))[which(r@<u></u>data@values>6)]<br>
  pol@data$j <- row(matrix(1L,36,18))[which(r@<u></u>data@values>6)]<br>
<br>
  head(pol@data, 3)<br>
  r[1, head(pol@data, 3)$j]<br>
<br>
  tail(pol@data,3)<br>
  r[18,   tail(pol@data,3)$j]<div class="HOEnZb"><div class="h5"><br>
<br>
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