[R-sig-Geo] Plotting with stplot, mode="xy"

[Edzer Pebesma]

On 05/29/2012 04:03 PM, Rawlins, Barry G. wrote:
> Hi Edzer
> 
> I can see a series of folders+files on the svn area - can you just give me some direction on how I get the source code? Were you suggesting I just take the code under R/stplot.R? And build a function from this?
> 

I was thinking about building and installing the R package from source,
but that might be a bridge too far if you're not used to doing that.

It might be easier to source the whole R/stplot.R file in your R session
-- that should work as well.

> Best wishes, Barry
> 
> -----Original Message-----
> From: Edzer Pebesma [mailto:edzer.pebesma at uni-muenster.de] 
> Sent: 29 May 2012 13:23
> To: Rawlins, Barry G.
> Subject: Re: [R-sig-Geo] Plotting with stplot, mode="xy"
> 
> svn co https://svn.52north.org/svn/geostatistics/main/spacetime/
> 
> will give you the updated source. Let me know if it works, otherwise
> we'll try the CRAN route (CRAN seems a bit over-worked, lately, for
> clear reasons, throwing NOTEs if you're uploading too frequent).
> 
> I just noticed that the package DESCRIPTION file does not contain this
> URL -- will modify.
> 
> 
> On 05/29/2012 01:28 PM, Rawlins, Barry G. wrote:
>> Many thanks Edzer - it is superb to have your help on such occasions.
>>
>> Checking CRAN - the latest version of spacetime appears to be 0.7-0 - does that mean I need to wait for 0.7-1 (which you refer to) to be released?
>>
>> I did not copy to the list because I was not sure this question was relevant to my problem.
>>
>> Best wishes, Barry
>>
>>
>> -----Original Message-----
>> From: r-sig-geo-bounces at r-project.org [mailto:r-sig-geo-bounces at r-project.org] On Behalf Of Edzer Pebesma
>> Sent: 29 May 2012 11:28
>> To: r-sig-geo at r-project.org
>> Subject: Re: [R-sig-Geo] Plotting with stplot, mode="xy"
>>
>> Hi Barry, the following should have worked:
>>
>> library(spacetime)
>> loadMeuse()
>> d = as.data.frame(meuse)[c("cadmium", "copper", "lead", "zinc")]
>> x = STFDF(meuse, Sys.time()+1:4, stack(d))
>> stplot(x, animate=1, col.regions=bpy.colors(),
>>    cuts=c(1,10,100,1000,10000))
>>
>> but doesn't fix the legend with current spacetime on CRAN, as the 'cuts'
>> argument was not passed on to spplot.
>>
>> spacetime 0.7-1 in subversion has this fixed.
>>
>> the 'col' argument needs to be called 'col.regions'.
>>
>> On 05/28/2012 06:34 PM, Rawlins, Barry G. wrote:
>>> Hello
>>>  
>>> I am trying to plot some space-time data which encompasses 3654 time
>>> intervals (15 mins each) at 84 sites.
>>>  
>>> I would like to animate these data and so I have used the following code
>>> and my STFDF object is "sp_time":
>>>  
>>> colors.ten<-rainbow(10,start=0.0,end=0.66) # rainbow color scale
>>> stplot(sp_time, mode="xy", animate=1, cuts=10, at=seq(5,55,5),
>>> auto.key=T,col=colors.ten)
>>>  
>>> The first plot I see is this where the points are plotted in the correct
>>> locations:
>>>  
>>> But, I wanted some bespoke rainbow colors which do not appear and I know
>>> the z-range of the data is wider than that shown - the range is actually
>>> between 6 and 44. When I run the animation the scale changes each time
>>> but I would like it to be fixed so that each time slice has the same
>>> scale. Any advice on how I can solve this? I have tried reading the help
>>> pages on levelplot but to no avail.
>>>  
>>> Thanks, Barry
>>>  
>>>  
>>>  
>>>  
>>>
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> 

-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de