[R-sig-Geo] help- raster overlap

2013-02-19 Thread Charbel Eliane
Dear list, I have 2 raster that represent exactly the same area. the 2 raster have the same coordinate system and the same resolution but 2 different origins and extents. They are both float. My goal is to perfectly overlap the 2 rasters, so i can use it for analysis. I have tried to use resample

[R-sig-Geo] arcStats: do not know how to convert 'locDates' to class Date

2013-02-19 Thread Abdulhakim Abdi
Dear List, I'm trying to execute the arcStats function in the MODIS package: arcStats(product=MYD17A2, collection=005, extent=list(xmin=-20,xmax=40,ymin=10, ymax=20), begin=2000.08.01, end=2000.08.31, asMap=TRUE, outName=NULL)¨ and I get the following error: Error in as.Date.default(locDates,

Re: [R-sig-Geo] arcStats: do not know how to convert 'locDates' to class Date

2013-02-19 Thread Matteo Mattiuzzi
Dear Abdulhakim, which version is your MODIS package? In the last version 0.8-04 this should work! Matteo Abdulhakim Abdi 02/19/13 2:19 PM Dear List, I'm trying to execute the arcStats function in the MODIS package: arcStats(product=MYD17A2, collection=005,

[R-sig-Geo] Minimum Convex Polygon

2013-02-19 Thread chima Nwaogu
 Hi all,  I got these set of codes to compute mcp which worked well in drawing the polygons but I don't have any idea about how the get the areas of the various polygons calculated  for each study site. Here is what I did using version 2.15.2; data for location 1 attached with mail.  

Re: [R-sig-Geo] missing vgmST?

2013-02-19 Thread Piero Campalani
Hi Erin, ...did you load the library? Piero On 20 February 2013 01:30, Hodgess, Erin hodge...@uhd.edu wrote: Hi! I'm working with some spatio-temporal data and was trying to use vgmST. However, it says that the function is not there. I have the spacetime library running. Any

Re: [R-sig-Geo] missing vgmST?

2013-02-19 Thread Hodgess, Erin
There's a new one...both spacetime and gstat. That's what the problem was. Thanks, Erin From: r-sig-geo-boun...@r-project.org [r-sig-geo-boun...@r-project.org] on behalf of Piero Campalani [piero.ca...@gmail.com] Sent: Wednesday, February 20, 2013 12:44