Re: [Teem-users] detached NRRD headers problem on Windows

[Neil W. <ne...@bw...>]

I had another thought from the vague cobwebs in the back of my brain  
and Google has born some fruit.  See if this helps:
http://www.pctoday.com/Editorial/article.asp?article=articles/2005/ 
t0306/06t06/06t06.asp&guid=

Quoting:

"Starting with the version of the NTFS file system that was released  
with Windows 2000, you can now access drives without assigning a  
drive letter to them."

Another possiblity might be building whatever you're attempting to  
use that relies on TEEM/NRRD using the Cygwin environment  
(www.cygwin.com).  I believe that cygwin automatically maps things  
like "/cygdrive/c" to c:\ and "/cygdrive/e" to E:\ in order to deal  
with such situations.


Neil


On Jan 5, 2007, at 5:24 PM, Gordon Kindlmann wrote:

> hi-
>
> yea, that's kind of a show stopper.  oops.
>
> Your diagnosis of the problem is correct, and I don't see a way of
> getting Nrrd to do the right thing in this case.
>
> Can you fake it out with an alias, or link, or whatever its called on
> windows, so that a local file or directory actually resolves (at the
> OS level) to what you have on the E: drive?
>
> Gordon
>
> On Jan 5, 2007, at 5:19 PM, David Weinstein wrote:
>
>> Hi,
>>
>> We're trying to create detached NRRD header files under WinXP -- our
>> data files are on our E: drive and our NRRD header files will be on a
>> different drive.  So far, we haven't been able to get this to work.
>>
>> The rule-of-thumb that Teem appears to use for resolving the complete
>> path to a data file that's referenced in a NRRD header is: if the
>> name of the data file starts with a slash then it's an absolute path;
>> otherwise, it's relative and the path to the .nhdr file is
>> prepended.  So, we either need to have a relative path from our
>> header to our data, or an absolute path (that begins with a slash) to
>> our data.  But we can't have a relative path, since they will be on
>> different drives.  And full paths in Windows start with a drive
>> letter (e.g. E:), not a slash.  [Windows considers a filename that
>> begins with a slash to mean C:\ (i.e. it translates /my/path/ into C:
>> \my\path), but we haven't found a way to specify an E: directory
>> using a name beginning with a slash.]
>>
>> If anyone else has figured out how to do this (other than by moving
>> all of our data onto the C: drive, or moving the data and headers
>> onto the same drive), we'd appreciate your input.
>>
>> Thanks much,
>> Dave
>>
>>
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