Zhenyu Lu wrote:
Hi, Even:
I have used the tool you mentioned. There is a gdaladdo utility in
GDAL1.5.2. But still it didn't work with the .img file in my computer.
Then I realized that since I've used these .img files in ArcGIS and
Erdas before. These software must automatically create the .
Hi, Even:
I have used the tool you mentioned. There is a gdaladdo utility in
GDAL1.5.2. But still it didn't work with the .img file in my computer.
Then I realized that since I've used these .img files in ArcGIS and Erdas
before. These software must automatically create the .rrd files. That
explai
Zhenyu,
gdaladdo is not a function. It is a command line utility that you should find
with the other GDAL utilities.
Le jeudi 11 novembre 2010 19:05:23, Zhenyu Lu a écrit :
> Hi, Even:
>
> Thanks for the information. I double checked the GDAL-1.5.2 compiled .net
> dll. But I can't find the fun
Hi, Even:
Thanks for the information. I double checked the GDAL-1.5.2 compiled .net
dll. But I can't find the function named as gdaladdo. What I can only find
is three BuildOverviews function.
So I am confused whether there is such a function in GDAL-1.5.2. I will try
to test with GDAL-1.6 to see
Zhenyu,
Even says that HFA driver supports overview creation. Try the gdaladdo
utility like he said.
http://www.gdal.org/gdaladdo.html
On Thu, Nov 11, 2010 at 8:45 PM, Zhenyu Lu wrote:
> Hi, Chaitanya:
>
> Thanks for the answers!
> It's really helpful. So suppose there is .img file, it has over
Actually, the HFA driver *does* support overviews. It isn't obvious why it
does not work for you. Perhaps you should consider upgrading to a newer GDAL
version, but I don't think this is an issue with GDAL 1.5.2. Does gdaladdo
work on the dataset ? If so, then it must be rather related to someth
Zhenyu,
GDAL's HFA driver doesn't support creation of overviews. It can only read
them.
On Thu, Nov 11, 2010 at 9:16 AM, Zhenyu Lu wrote:
>
> Hi, all:
> I'm having an error while using function Dataset.BuildOverviews in my code.
> The error message is "BuildOverviews() not supported for this da
Hi, all:
I'm having an error while using function Dataset.BuildOverviews in my code.
The error message is "BuildOverviews() not supported for this dataset".
However, when I used the ".tif" file the BuildOverviews worked just fine.
The
code is:
int[] pOverviewList = { overView*2};
int[] pBandList =
