[GRASS-user] r.in.gdal and .ecw files

[Kirk R. Wythers]

Hi William,

Do you get your gdal crash with  ecw 3.3 rc2, or ecw 3.1 rc2? I ask  
because I see in the 3.3 release notes:

Version Features

Numerous bug fixes, including:

functional ECWP on platforms other than Windows
a fix to lossless JPEG 2000 compression
change to headers to allow overloading new and delete on Windows
correct calculation of compression throughput
large file support issues fixed
fix to UNICODE support making it orthogonal to the use of UNICODE  
#define in client code
fixes to the platform-dependent code for MacOS X
Release Date: Tuesday, February 07, 2006


On Jul 31, 2006, at 5:35 PM, William Kyngesburye wrote:

> Unfortunately I have yet to get the ECW SDK to work on OS X.  You  
> need the current 3.3 version for Tiger/GCC 4 support, I think.   
> Supposedly reading will work, but I can't even get that to work.   
> Writing has threading issues.  I patiently wait...
>
> But, the free version should be able to read any size images.   
> Maybe the older versions were limited to 500MB.  The licensing was  
> changed recently for a more open source-friendly free version.
>
> On Jul 31, 2006, at 4:47 PM, Kirk R. Wythers wrote:
>
>>
>> On Jul 31, 2006, at 4:43 PM, Aaron Racicot wrote:
>>
>>> Your version of gdal needs to be built against the ECW SDK from
>>> ermapper.  Someone else who supports the binary packages will  
>>> have to
>>> tell you how to get a version with the correct build, but if you are
>>> building yourself you can just:
>>>
>>> 1) Download and install the SDK from ermapper
>>> (http://www.ermapper.com/downloads/sdks.aspx#16)
>>> 2) Build gdal with the correct config option (--with-ecw)
>>>
>>> Hope that helps...
>>
>> Thanks Aaron. I just re-ran my gdal config script and see saw that  
>> you are correct:
>>
>> ECW support:               no
>>
>> I also see that the free version will only read files up to 500  
>> megs... what a bother.
>
> -----
> William Kyngesburye <kyngchaos at kyngchaos.com>
> http://www.kyngchaos.com/
>
> "I ache, therefore I am.  Or in my case - I am, therefore I ache."
>
> - Marvin
>
>

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