Hi Chaitanya,
Thank you for your response. I tried inserting the --format option. It
still gives me the same error.
I would be glad if you can describe the --scale function. It asks for
, [-scale [src_min src_max [dst_min dst_max]]]
How do you put a formula here? like "raster/10"
Thanks a ton! I
Swapnil,
You missed the --format option with gdal_calc. If you don't mention it, it
assumes the default format, GeoTiff.
Since the operation is simple, you should be able to do that using
gdal_translate using the -scale option. It also has the -projwin option to
select the extents.
On Fri, May 1
Dear All,
I would like to get your advise on running gdal_calc using shell.
I am finding it difficult, mostly because the command requires you to
define what -A stands for etc. which is quite different from
gdal_translate or such similar tools, so is the case with Raster
package in R.
I wish to
Hi,
This is a long letter and finally it will lead to a suggestion about
implementing some kind of a Virtual Overview (VOV) system for organising a
number of GDAL datasets into a one top level dataset in such a way that GDAL can
automatically select the best source for the requested scale. Same th
Исходное сообщение
Тема: Re: [gdal-dev] Creating a VRT dataset from overviews in C++
Дата: Thu, 10 May 2012 23:58:53 +0400
От: Dmitry Baryshnikov
Кому: Thomas Sevaldrud
10.05.2012 23:14, Thomas Sevaldrud написал:
Hi Dmitry, and thanks for your answer!
Hi Thomas
Hi Dmitry, and thanks for your answer!
I was actually looking at this patch earlier today, but I also wanted to
see if I could solve it without patching.
Will this patch be included in the official source?
Is it possible to do it the way I described in the previous mail?
Cheers,
Thomas
On Thu,
Kaarigar,
You can pick up new binaries tomorrow at:
gisinternals.com/sdk
I don't know at exactly what time the packages get built, but they are built
daily.
kss
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Frank Warmer
On Thu, May 10, 2012 at 9:59 AM, Karu Kaarigar wrote:
> Thanks, Frank. I am not familiar with the gdal development at all. But I
> think replacing the driver binary with this new one wit your change should
> fix the behavior locally for me?
>
> Kaarigar
>
Kaarigar,
The XYZ driver is
10.05.2012 19:03, tseval ???:
Hi,
I'm trying to cut and reproject a large image with overviews using the c++
api. This runs extremely slow when I produce highly downsampled cutouts
covering large areas of the original image.
I understand the the Warp API doesn't use the overviews when resam
Thanks, Frank. I am not familiar with the gdal development at all. But I
think replacing the driver binary with this new one wit your change should
fix the behavior locally for me?
Kaarigar
On Thu, May 10, 2012 at 9:32 AM, Frank Warmerdam wrote:
> OK, I have reworked the xyz driver
OK, I have reworked the xyz driver a bit. The change is at:
http://trac.osgeo.org/gdal/changeset/24402
It should be possible to retrofit the driver into older version. Code at:
http://svn.osgeo.org/gdal/trunk/gdal/frmts/xyz/xyzdataset.cpp
Best regards,
On Thu, May 10, 2012 at 9:06 AM, Fr
Petr,
The GDAL API dos not contain visualization functions. So how to do it will
dependents on the programming environment that you are working on, assuming
that you are developing some kind of application. The pData pointer points to a
memory array of pixels in the data type and the amount of
Ah, I see I misunderstood what Even's change was doing. I'll work on this.
On Thu, May 10, 2012 at 8:56 AM, Frank Warmerdam wrote:
> Folks,
>
> I have discovered Even already implemented my idea for XYZ and AAIGRID
> 19 months ago. Based on that I don't know why you are seeing a large
> wait o
Folks,
I have discovered Even already implemented my idea for XYZ and AAIGRID
19 months ago. Based on that I don't know why you are seeing a large
wait on closing.
http://trac.osgeo.org/gdal/changeset/20770/trunk/gdal/frmts/xyz
hmm, I see a reference to 1.9dev - perhaps that was an old 1.9 pr
It should be possible to specially implement the CreateCopy for XYZ
format to avoid this. I'll investigate this.
Best regards,
On Thu, May 10, 2012 at 8:30 AM, kaarigar wrote:
>
> Etienne Tourigny-3 wrote
>>
>> Something that is not apparent is that gdal_translate (via driver's
>> GDALCreateCo
Etienne Tourigny-3 wrote
>
> Something that is not apparent is that gdal_translate (via driver's
> GDALCreateCopy()) usually opens the new dataset after creation, and
> the XYZ file loading is slow:
>
That explains it - the XYZ file created is ~4gb in size - it would take it a
very very long tim
Hi,
I'm trying to cut and reproject a large image with overviews using the c++
api. This runs extremely slow when I produce highly downsampled cutouts
covering large areas of the original image.
I understand the the Warp API doesn't use the overviews when resampling, so
I wanted to make a tempora
On 05/10/2012 04:48 PM, Petr Kitashov wrote:
Hi,
I need just to display some region(any) from raster file. Seems like I
understand everything until rasterIO.
RasterIO fills(in my case) void* pData with raster info - that's
great, but how to display it?
I do it like this:
1) Call GDALRasterI
Hi,
I need just to display some region(any) from raster file. Seems like I
understand everything until rasterIO.
RasterIO fills(in my case) void* pData with raster info - that's great, but
how to display it?
Which data is stored there when I use GDALDataset::rasterIO, and which in
case of GDALRas
On Thu, May 10, 2012 at 2:57 PM, Paolo Corti wrote:
> On Thu, May 10, 2012 at 12:49 AM, Ethan Alpert
> wrote:
>> Is it possible to use an OGC call in a VRTRasterBand?
>>
>
> I guess you mean a WCS, and I think it is possible, just put the xml
> file in SourceFilename under VRTRasterBand.
>
> Ver
On Thu, May 10, 2012 at 12:49 AM, Ethan Alpert wrote:
> Is it possible to use an OGC call in a VRTRasterBand?
>
I guess you mean a WCS, and I think it is possible, just put the xml
file in SourceFilename under VRTRasterBand.
Very quick sample, create a test.xml file like this:
http://nsidc.o
Hello and good day.
I've been trying to get GDAL compiled with GEOS static in Linux with the
./configure, but i've seen in the config.log that it's checked against the
*.so. Also i've not found an option to static link GEOS as it can be with
proj4. Can it be linked statically? and if it's affirma
Hello,
see http://www.osgeo.org/osgeo_userid
Y.
Le jeudi 10 mai 2012 10:26:33 Alexandre Gacon a écrit :
> Where can I create a osgeo login ?
>
> Regards
> Alexandre
>
> 2012/5/10 Jean-Claude Repetto
>
> > On 05/10/12 08:27, Alexandre Gacon wrote:
> >> Hi,
> >>
> >> I have added an option on
On Thu, May 10, 2012 at 3:16 AM, kaarigar wrote:
> Thanks for the suggestion. I tried to convert GeoTIFF to jpg - and there
> wasn't the problem. Then I tried to convert a small GeoTIFF (20 mb) to XYZ -
> it still waited for some time (~10 secs) after displaying the "Done."
> message. I think what
When I call myLayer->GetNextFeature(), I get an exception that tells me the
format in request is not supported.
Then I tried to ad < outputformat=text/xml; subtype=gml/3.1.1 > to
myWfsDriver->Open() string, and still I get the exception.
I guess my question is this:
How do I specify the outp
On Thu, 10 May 2012 06:49:07 + (UTC), Jukka Rahkonen wrote:
Is there a way for me as a non-programmer to check if the components
used for
Rasterlite conversion in the Windows 32-bit binaries from
gisinternals.com
have been built with or without
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1
Le 10/05/2012 10:26, Alexandre Gacon a écrit :
Where can I create a osgeo login ?
http://www.osgeo.org/osgeo_userid
___
gdal-dev mailing list
gdal-dev@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/gdal-dev
Where can I create a osgeo login ?
Regards
Alexandre
2012/5/10 Jean-Claude Repetto
> On 05/10/12 08:27, Alexandre Gacon wrote:
>
>> Hi,
>>
>> I have added an option on the Postgres driver for OGR to avoid
>> computation of the SRID of a spatial request when the SRID is known. Is
>> it possible
On 05/10/12 08:27, Alexandre Gacon wrote:
Hi,
I have added an option on the Postgres driver for OGR to avoid
computation of the SRID of a spatial request when the SRID is known. Is
it possible to add it to the code repository ?
--
Alexandre Gacon
Hi,
You have to open a new ticket at :
http:
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