[gdal-dev] Re: gtiff file size compared to original tiff +wrld file

2009-04-21 Thread Christian Müller
Hi, I did this process last year many times and here is my experience 1) I assume you omitted the create options, your original tiff files are compressed, the new ones not. Look here http://www.gdal.org/frmt_gtiff.html, on the commandline it is -co "COMPRESS=JPEG" as an example. 2) Take a lo

[Gdal-dev] gtiff file size compared to original tiff +wrld file

2009-04-21 Thread TJMartin
Hi All I am just getting started with gdal, and i have done a search but couldnt find an answer. I currently have 10,000 tiff files with their world files. My real aim is to tile them up and make them easier to use in Geoserver or create an image pyramid. So i used gdal_translate to Geotiff, th

Re: [gdal-dev] Image segmentation

2009-04-21 Thread Cuinet Jérôme
So, it's like multispectral classification even if it can be processed theoretically with one band. We could not recongize this function under this name. Jérôme - Original Message - From: "Markus Neteler" To: "Frank Warmerdam" Cc: Sent: Tuesday, April 21, 2009 9:35 PM Subject: Re:

Re: [gdal-dev] Image segmentation

2009-04-21 Thread Francesco P. Lovergine
On Tue, Apr 21, 2009 at 09:35:13PM +0200, Markus Neteler wrote: > On Tue, Apr 21, 2009 at 7:01 PM, Frank Warmerdam wrote: > > Giacomo Piva wrote: > >> > >> Hi All, > >> I'm looking for a function that create an image segmentation. > >> Is there a function in the GDAL collection that permit to do t

Re: [gdal-dev] Image segmentation

2009-04-21 Thread Markus Neteler
On Tue, Apr 21, 2009 at 7:01 PM, Frank Warmerdam wrote: > Giacomo Piva wrote: >> >> Hi All, >> I'm looking for a function that create an image segmentation. >> Is there a function in the GDAL collection that permit to do that? > > Giacomo, > > No, I don't believe there is. > > By segmentation do y

Re: [gdal-dev] Padding/spacing in mysql driver output

2009-04-21 Thread Even Rouault
CC'ing mapserver-dev as it is one potential place where this behaviour could be changed. After discussing this subject with Frank, it appears that the left padding was added so that column oriented reports would line up nicely. We are a bit shy to change this behaviour now in GDAL as some applic

Re: [gdal-dev] Image segmentation

2009-04-21 Thread Frank Warmerdam
Giacomo Piva wrote: Hi All, I'm looking for a function that create an image segmentation. Is there a function in the GDAL collection that permit to do that? Giacomo, No, I don't believe there is. By segmentation do you mean single band reclassification (ie. values 0-10 map to 1, values 20-35

[gdal-dev] Image segmentation

2009-04-21 Thread Giacomo Piva
Hi All, I'm looking for a function that create an image segmentation. Is there a function in the GDAL collection that permit to do that? Thanks -- Giacomo Piva. ___ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinf