Try this:
plot (unmark((pppontos))
and see what happens
Marcelino
At 17:18 07/05/2012, Cleverson Zapelini wrote:
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>Good morning!
>
>I'm having trouble performing the analysis of a dot pattern from the
>ArcGIS shapefiles.
>I have the file "200milhas.shp" which is the map where the points are.
>The points are in another file "todos_FeatureToPoint_Merge.shp"
>I want to import this data set to R and do the analysis Kinhom. The
>analysis should consider the map as my window. And need to generate
>envelopes to test my hypothesis.
>I imported the points:
> > pontos =
>readShapePoints("todos_FeatureTopoint_Merge.shp")
> > class (pontos)
>[1] "SpatialPointsDataFrame"
>attr(,"package")
>[1] "sp"
>I converted the points to the format "ppp":
> >
>pppontos = as(pontos, "ppp")
> >
>class (pppontos)
>[1]
>"ppp"
>When I type:
> >
>plot (pppontos)
>Mensagens
>de aviso perdidas:
>1: In plot.ppp(pppontos) :
> Some marks are
>NA; corresponding points are omitted.
>2: In plot.ppp(pppontos) :
> There are too
>many types to display every type as a different character
>Points do not appear, but several characters of "marks".
>How should I proceed?
>
>Best regards,
>
>Cleverson
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____________________________________
Marcelino de la Cruz Rot
Depto. Biologia Vegetal
EUIT Agricola
Universidad Politecnica de Madrid
tel: 34 + 913365435
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