[R-sig-Geo] OSX, rgdal, GDAL drivers and HDF4

[Gilles Benjamin Leduc]

 Hi, 

I looked how I did. it seems I used a framwork named GDAL_Complete-1.11.dmg. I haven't used HDF4, so I don't know more 

Benjamin  
 
On Tuesday, June 2, 2015 16:11 GMT, Ben Tupper <btupper at bigelow.org> wrote: 
 
> Hello,
> 
> This is my attempt to look before I leap into installing GDAL on OSX. (You can probably hear my pitiful groaning and knee-knocking in the background.)
> 
> I want to read many HDF4 files for which I do not have the GDAL HDF4 driver installed.  I used William Kyngesburye's nice framework (http://www.kyngchaos.com/software:frameworks) to install GDAL but it came without the HDF4 driver.
> 
> Reading this somewhat dated exchange... 
> 
> http://r-sig-geo.2731867.n2.nabble.com/Read-HDF-files-td6750856.html

> 
> ... I think I understand that if I want the HDF4 driver I must build GDAL on my system manually.  Is my understanding correct, or is there another (easier) way to read HDF4 files directly in R?
> 
> Thanks!
> Ben
> 
> 
> > library(rgdal)
> Loading required package: sp
> rgdal: version: 0.9-3, (SVN revision 530)
>  Geospatial Data Abstraction Library extensions to R successfully loaded
>  Loaded GDAL runtime: GDAL 1.11.2, released 2015/02/10
>  Path to GDAL shared files: /Library/Frameworks/R.framework/Versions/3.2/Resources/library/rgdal/gdal
>  Loaded PROJ.4 runtime: Rel. 4.9.1, 04 March 2015, [PJ_VERSION: 491]
>  Path to PROJ.4 shared files: /Library/Frameworks/R.framework/Versions/3.2/Resources/library/rgdal/proj
>  Linking to sp version: 1.1-0 
> > x <- gdalDrivers()
> > any(x$name %in% c("HDF4", "HDF"))
> [1] FALSE
> 
> > sessionInfo()
> R version 3.2.0 (2015-04-16)
> Platform: x86_64-apple-darwin13.4.0 (64-bit)
> Running under: OS X 10.9.5 (Mavericks)
> 
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
> 
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base     
> 
> other attached packages:
> [1] rgdal_0.9-3 sp_1.1-0   
> 
> loaded via a namespace (and not attached):
> [1] grid_3.2.0      lattice_0.20-31
> 
> 
> 
> Ben Tupper
> Bigelow Laboratory for Ocean Sciences
> 60 Bigelow Drive, P.O. Box 380
> East Boothbay, Maine 04544
> http://www.bigelow.org
> 
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