Dear Rolf,

The problem persists with the function plot.im(), or plot (density ()),
similar to with(bei.extra, plot (elev)). This problem occurs only with my
personal machine, to another machine this problem does not occur. However,
when I use another function, such kde2d () in the MASS package and perform
the plot, the graph is obtained without problem.

Best wishes
Pablo





2014-06-17 16:23 GMT-05:00 Rolf Turner <r.turner@auckland.ac.nz>:

> On 18/06/14 03:49, Christopher W Ryan wrote:
>
>> I upgraded to version 3.1.0 of R, still on Win XP, but that did not
>> solve the problem:
>>
>> library(spatstat)
>> data(redwood)
>> str(redwood)
>> plot(redwood)  # works OK
>> plot(Kest(redwood))  # works OK
>> plot(density(redwood))  # produces an "empty" plot
>>                                         # with just the figure border
>>                                         # and a thin vertical box for
>> the color ramp
>>                                         # but no color ramp in it
>>
>> Any other ideas? I'd be much obliged.
>>
>
> I have had an inquiry of this nature previously and sad to say was
> completely unable to find a solution.  I made numerous suggestions to the
> inquirer, e.g.:
>
> *looking for a plot.im() function masking the "real"
> plot.im() function from spatstat
>
> * cleaning out the global environment
> (.RData) in case there were some "artefacts" hanging around that had an
> impact on plot.im()
>
> * completely *removing* .RData and starting again,...
>
> Nothing worked.
>
> It is very difficult to diagnose a problem like this remotely.  If you
> could find an R guru who was able to come and sit with you at your computer
> it is ***just possible*** that they could track down what is going wrong.
>
> However it seems to me that the problem is due to some sort of
> recalcitrance of the Windoze system and is thus probably insoluble.
>
> I am cc-ing this to the person who made the previous inquiry.  Pablo, have
> there been any further developments since we last communicated about this
> problem?
>
> cheers,
>
> Rolf Turner
>
> P. S. BTW Chris:  Does plot.im() screw up with other images?  E.g. what
> happens if you do
>
> with(bei.extra,plot(elev))
>
> ???
>
> R. T.
>
>


-- 
Mat. Pablo Ramón
Sección de Ecología
Departamento de Ciencias Naturales
Universidad Técnica Particular de Loja (http://www.utpl.edu.ec/)
Telf. 593 7 2570275 Ext. 2505, 2258

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