[GRASS-user] ECW data

[William Kyngesburye]

Well, you can try, but that's what I'm doing and then getting the  
problems.  And, for OSX, ECW still needs a bit of patching - a fix  
for Mac Intel and a reversion to an earlier source and a couple other  
minor changes.

On Jul 16, 2007, at 10:20 AM, Mars Sjoden wrote:

> Just to add,
>
> I found this:
>
> http://trac.osgeo.org/gdal/wiki/ECW
>
> I'll give it a try.
>
> Mars
>
>
>
> On 16-Jul-07, at 7:59 AM, Mars Sjoden wrote:
>
>> Thanks William,
>>
>> Good to know.
>>
>> I'll keep digging.
>>
>> Mars
>>
>>
>> On 16-Jul-07, at 7:06 AM, William Kyngesburye wrote:
>>
>>> Normally you would use GDAL compiled with the ECW library support.
>>>
>>> BUT, I can't get it to work on OSX.  It always gives me invalid  
>>> image errors, and others have the same problem so it's not just  
>>> me.  I've asked ERmapper (uh, Leica) about it, but they only  
>>> officially support 10.3.9 PPC, which is not usable on 10.4  
>>> because of C++ compiler version differences.  I've asked in their  
>>> forums for any user/programmers that could help, but no response.
>>>
>>> Strangely enough, GraphicConverter uses the ECW library and  
>>> works, I think it uses different library calls to read them.  But  
>>> GC loses the geographic info, and it doesn't handle large files  
>>> very well.  Because it works in GC, I also have a bug report for  
>>> GDAL, but also no action on it yet.
>>>
>>> On Jul 16, 2007, at 12:30 AM, Mars Sjoden wrote:
>>>
>>>> 	Hello,
>>>>
>>>> I'm just wondering what the best way to import a 3.5GB .ecw file  
>>>> into GRASS is?
>>>>
>>>> cheers,
>>>>
>>>> Mars
>>>

-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/

First Pogril: Why is life like sticking your head in a bucket filled  
with hyena offal?
Second Pogril: I don't know.  Why IS life like sticking your head in  
a bucket filled with hyena offal?
First Pogril: I don't know either.  Wretched, isn't it?

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