[DebianGIS-dev] Bug#458369: PROJ debian package: include grid shift datum files?

[Peter S Galbraith]

Michal Migurski <mike at teczno.com> wrote:

> Hello,
> 
> I found your e-mail address via this page:
> 	http://packages.debian.org/etch/proj
> 
> I recently ran into some problems with NAD27 grid shifting, and it seems
> that some necessary conus files are not included in the Proj  package for
> Debian. The Proj list helped me figure out what was wrong,  and how to
> manually build the required files:
> 	http://n2.nabble.com/NAD27-and-WGS84-woes-td1560867.html
> 
> There's already a wishlist bug for this, here:
> 	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=458369
> 
> Is it possible to bump the priority on that up a bit? Currently, it seems
> that conversions from NAD27 to WGS84 in Debian Proj will  generally be
> wrong, with no obvious notification or fix. It'd be worth  having that 264K
> "conus" file included in the package.
> 
> -mike.
> 
> ----------------------------------------------------------------
> michal migurski- contact info and pgp key:
> sf/ca            http://mike.teczno.com/contact.html
> 
> 
> 
> 

Yikes... Sorry Michal.  I guess I dropped the ball on this one.
As a note to myself, the FAQ  

 http://trac.osgeo.org/proj/wiki/FAQ

says:

  After downloading and unpacking the PROJ.4 source, also download and
  unpack the set of datum shift files. This would be a file like
  ftp://ftp.remotesensing.org/pub/proj/proj-datumgrid-1.4.zip. This file
  should be unpacked within the proj/nad directory. Then proceed with the
  configuration, build and install. This will ensure that the build system
  knows about the grid shift files, and applies the ascii to binary
  preprocessing step.

Peter