[GRASS-user] Installing on Windows XP 64

gary lists at lazygranch.com
Sun Feb 25 19:04:28 EST 2007

X64 has a bug in it related to opening large files with 32 bit software. 
  Worse yet, it is not very repeatable, but the bug crops up with 
programs like photoshop and open office calc. [Even CS3 isn't compiled 
for x64!) The problem is in gdi32.dll. I don't know if this will be a 
problem for GRASS, but I think it's likely to be.

That said, I really suggest installing suse 10.2 and just running grass 
in linux. It isn't very hard to compile. This way you will get real 64 
bit performance. Probably not in memory space, but there are additional 
instructions used when running 64 bit code. Suse 10.2 will dual boot.

Hamish wrote:
>> Hi Everyone,
> Hi Andrew,
>> I've done a quick search of the mailing list but haven't come across
>> anything:  Has anyone been able to get a working installation on XP64?
>> It just so happens that this is the computer I need to get GRASS onto,
>> so I'd appreciate your thoughts on it.  Specifically, I need to use
>> the 3D Raster functions of the newer release.
> GRASS 6.2.1 for MS Windows:  (with Cygwin)
>   http://grass.itc.it/grass62/binary/mswindows/
> no idea if there are Win+64bit issues, but try it and see..
> good luck,
> Hamish
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