Hello Tyler,
I was a little quiet in the last two months. As we already wrote on the
mailing list we are very interested in creating a Romanian local
chapter. I'm saying we as the local community gathered around
http://www.geo-spatial.org. More about this topic was posted at
Yup: Kakadu is not Open Source, as per the OSI definition of the term.
The only FOSS package I know of is OpenJpeg2000 (or something like
that); unfortunately, however, it is not suitable for geo-sized imagery
last time I looked.
TotallyNotSpeakingForLizardTechNoWayNoHow
Not a week goes by that
Christopher -
You will very likely find that using different LZW compression options
(particularly setting a small strip size) will slightly degrade compression
performance while significantly improving read time. While I think your test
data are valid, they only address one of many possible
On Mon, Feb 25, 2008 at 09:04:59PM -0500, Ed McNierney wrote:
Christopher -
You will very likely find that using different LZW compression options
(particularly setting a small strip size) will slightly degrade compression
performance while significantly improving read time. While I think
Christopher -
Let me add the evidence that I have found that reducing the strip size
in LZW-compressed GeoTIFFs has, not surprisingly, a VERY large effect on
read performance - about a factor of 10 in the particular cases I used.
That indicates that the data you report might not be a good 'order
On Mon, Feb 25, 2008 at 09:26:16PM -0500, Ed McNierney wrote:
Christopher -
Let me add the evidence that I have found that reducing the strip size
in LZW-compressed GeoTIFFs has, not surprisingly, a VERY large effect on
read performance - about a factor of 10 in the particular cases I used.
IMO:
Michael,
Thanks for the comments on this thread.
I've had a couple of private emails expressing interest in the outcome, so
I'll continue this conversation in public, rather than moving it offline.
One of the problems that I have is that I understand that JPEG 2000 can be
'lossy' or
