[gdal-dev] kml superoverlay help request

[brian]

Harsh,

Depending on how its layed out, I have a way to read these.

Brian


On Mon, 2011-04-04 at 12:51 -0400, Harsh Govind wrote:
> Brian,
> I had responded earlier but for some reason my email was rejected by list maybe because my official ID changed. In any case below is my response.
> 
> What version of gdal is this? KMLSUPEROVERLAY driver creates a hierarchy of regions that can be used to efficiently serve large set of imagery. As few points near higher resolution tiles are loaded. KMLSUPEROVERLAY driver generates kmz with this command:
> 
> Gdal_translate.exe -of KMLSUPEROVERLAY c:\my.tif c:\myResult.kmz -co FORMAT=PNG
> 
> I have not implemented read for KMLSUPEROVERLAY. Ogrinfo should be able to read kml but not gdal. Let me know if you have more questions.
> 
> "v" gets appended for formats supporting virtual IO.
> 
> Harsh Govind
> 
> 
> -----Original Message-----
> From: gdal-dev-bounces at lists.osgeo.org [mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of brian
> Sent: Monday, April 04, 2011 12:23 PM
> To: Brian Wilson
> Cc: gdal-dev at lists.osgeo.org
> Subject: Re: [gdal-dev] kml superoverlay help request
> 
> Brian
> 
> IIRC the superoverlay driver is read only.
> 
> Reading images from knls are problematic at best.
> 
> Can you give me some info on the stucture of the kmz's?
> 
> Brian
> 
> 
> 
> On Sun, 2011-04-03 at 22:43 -0700, Brian Wilson wrote:
> > I received a batch of files that are in a kml format that looks like
> > the "KML SUPEROVERLAY" that gdal supports.
> > There is a kmz flle which when unzipped contains a batch of JPEGs and
> > a file called doc.kml that describes them.
> > 
> > My "gdalinfo --formats" command says "KMLSUPEROVERLAY (rwv): Kml Super
> > Overlay" but I don't know how to feed it the files.
> > I tried the KMZ, the unpacked directory, and the doc file
> > 
> > ERROR 4: `nc4806-50.kmz' not recognised as a supported file format.
> > ERROR 4: `nc4806-50' not recognised as a supported file format.
> > ERROR 4: `nc4806-50/doc.kml' not recognised as a supported file
> > format.
> > 
> > Or maybe I am wrong about what a kml super overlay is?
> > My google searches only turned up help with writing the kml files, but
> > I am assuming the formats "rwv" means it can read, write, and also do
> > something else starting with the letter 'v' -- always wondered about
> > those codes like rw+ maybe the + means update or append?? (And "rov"
> > means remotely operated vehicle? oops context shift sorry)
> > 
> > Thanks in advance
> > 
> > Brian Wilson
> > Corvallis OR
> > 
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> 
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