Hi all,
Yesterday I replied to Marcel and not to the list - so I'll add a reply here in
case others have a similar issue to me:
Marcel's solution works well on my Meteosat data, and the georeferencing looks
perfect. The problem is solved!
Cheers,
Simon.
>>> Marcel Derrien 03/27/12 9:59 AM >
Thanks Jay and Chaitanya, your comments helped a lot.
I have few more doubts, these may be trivial but since i am new to GDAL i
want to confirm.
1) Is it possible to cut a portion(AOI) of image in any format and store it
as tiled GTiff. Cos i want to create multiple copied of image data as i
keep
Derek,
Based on the coordinates it seems clear enough that this
is latitude and longitude in decimal degrees. Based on the
resolution there is little point in worrying about datum so do
something like:
gdal_translate -a_srs WGS84 in.tif out.tif
After that you should be able to use gdalwarp to
Hello all,
Thanks in advance for your time. This may be a stupid question but I can't
figure out how to mosaic two geotiff files with different color bands? Is
this possible? I get an error using gdalbuildvrt saying it ignores the
image with only color band.
I have the SRTM3 DEM file for my area o
For a geotiff I would use the following to change block size.
gdal_translate -of GTiff -co "TILED=YES" -co "BLOCKXSIZE=256" -co
"BLOCKYSIZE=256"
Replace 256with whatever integer you want.
I realize that this is outside of your program, but it looks like you are
going to need to modify the inp
Akhy,
Block size is determined/set at the time of file creation. The only way to
change it is to make a different file with the desired block size. Not all
raster formats support setting custom block sizes. GeoTIFF does.
On Tue, Mar 27, 2012 at 11:05 PM, akshay gupta wrote:
>
> Thanks for your q
Hello,
I was hoping someone in the GDAL community could help me out, as I am
stuck on a particular issue of dealing with a source dataset (geotiff)
that has no projection information.Here are the gdalinfo results on the
coordinate system:
Coordinate System is:
/LOCAL_CS[" Geocoding informat
Thanks for your quick reply,
I dont want to use GDALRasterIO, I dont want to allocate memory of size
equal that of image or ROI, i want to make use of tiling as much as
possible. Can you provide more detail on how to create tiles tiff files by
default.
Akhy
On Tue, Mar 27, 2012 at 9:30 PM, Chaitan
Akhy,
1) Raster block size is a readonly property. The only way to change it is
to create a new dataset with the new block size. For a tiff image you can
use the creation options TILED, BLOCKXSIZE and BLOCKYSIZE [1].
2) You can read the raster any way you want using the GDALRasterIO() and
GDALData
Hi,
I have few questions regarding GDAL tiling and overviews.
1) Is there any In build direct function in GDAL from where i can set the
size of the tiles(raster block size).
2)I an facing an strange situation. I have an TIFF image, and I am trying
to read it block by block using ReadBlock(). When
Maksim,
As far as I remember only the MSVC2010 builds compile for .NET 4.0. All
compilers use the default setting in this regard.
Best regards,
Tamas
2011/3/27 Maksim Sestic
> Hi all,
>
> ** **
>
> Am I missing something, or OSR managed binandings for GDAL 1.9.0 target
> .NET 4.0? Is th
Hi all,
Am I missing something, or OSR managed binandings for GDAL 1.9.0 target .NET
4.0? Is there any specific reason for that, may I change this to target .NET
2.0?
Regards,
Maksim Sestic
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Hi,
First I suggest you use gdal_translate and provide -a_ullr ulx uly lrx
lry so that your input file is georeferenced.
Assuming that your input file is the full earth disk 3712x371, the
corner coordinates (metre) of your image are
ulx_msg=-5570248.832537
uly_msg=5570248.832537
lrx_msg=556724
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