[gdal-dev] Projecting nzmg/nzgd49 to nzgd2000

2008-09-23 Thread Mike Leahy
Hello list, I'm trying to figure out some issues I'm having with re-projecting some data located on Stewart Island at the south end of New Zealand. The source data are using UTM coordinates projected in New Zealand Map Grid, based on the New Zealand Geodedic Datum 1949, and I'm reprojecting t

Re: [gdal-dev] problem with 5D variables in NetCDF

2008-09-23 Thread Michael Sumner
Hello, No objections to using the file - I manufactured it to test the higher dimension cases. Cheers, Mike Frank Warmerdam wrote: Michael Sumner wrote: Hello, The 5D dataset in this NetCDF file causes an error on Windows but not on Linux. http://staff.acecrc.org.au/~mdsumner/gdal/foo.

Re: [gdal-dev] problem with 5D variables in NetCDF

2008-09-23 Thread Frank Warmerdam
Michael Sumner wrote: Hello, The 5D dataset in this NetCDF file causes an error on Windows but not on Linux. http://staff.acecrc.org.au/~mdsumner/gdal/foo.nc The Windows FWTools is recent, and the Linux version is old: Linux: GDAL 1.5dev, FWTools 1.3.2, released 2007/06/01 Windows: GDAL 1.

Re: [gdal-dev] Reading/Interpreting multi band Tiffs

2008-09-23 Thread Frank Warmerdam
Tom Kazimiers wrote: There is also a RasterIO() method on the Dataset which allows fetching all the bands in one request. In C++ this is: http://www.gdal.org/classGDALDataset.html#e077c53268d2272eebed10b891a05743 thank you very much - this was what I was looking for. Unfortunately I need to

Re: [gdal-dev] Reading/Interpreting multi band Tiffs

2008-09-23 Thread Tom Kazimiers
Frank Warmerdam schrieb: > Tom Kazimiers wrote: >> Hi there, >> >> up to now I only faced Tiff images with palette information. It was >> relatively easy to read and display everything - I use RasterIO for the >> one available band and the color table. >> Now I want to load and display multi band T

[gdal-dev] Out of Office

2008-09-23 Thread paar
Vielen Dank für Ihre Nachricht. Ich bin bis einschließlich 26.09.2008 nicht im Büro und kann Ihre Anfrage leider nicht bearbeiten. Ihre Nachricht wird nicht automatisch weitergeleitet. Ich werde Ihre eMail gerne nach meiner Rückkehr beantworten. Thank you very much for your message. I'm out of

Re: [gdal-dev] Reading/Interpreting multi band Tiffs

2008-09-23 Thread Frank Warmerdam
Tom Kazimiers wrote: Hi there, up to now I only faced Tiff images with palette information. It was relatively easy to read and display everything - I use RasterIO for the one available band and the color table. Now I want to load and display multi band Tiff images - namely the bands red, green a

Re: [gdal-dev] 8-bit GeoTIFF and transparency over multiple bands

2008-09-23 Thread Frank Warmerdam
D wrote: I would need to know, if a three band (RGB) 8-bit GeoTIFF can have transparency enabled? I know that it is possible to enable transparency on a singleband TIFF. Can someone confirm this? Dejan, Multi-band TIFF files represent transparency using an alpha band. Best regards, -- ---

Re: [gdal-dev] pct2rgb.py: files >4GB

2008-09-23 Thread Frank Warmerdam
Sven Geggus wrote: Hello, I've got some trouble using pct2rgb.py: pct2rgb.py .tif .tif ERROR 6: A 81408 pixels x 58368 lines x 3 bands Byte image would be larger than 4GB but this is the largest size a TIFF can be. Creation failed. Unfortunately the -of switch does not change this: pct2rgb.p

[gdal-dev] pct2rgb.py: files >4GB

2008-09-23 Thread Sven Geggus
Hello, I've got some trouble using pct2rgb.py: pct2rgb.py .tif .tif ERROR 6: A 81408 pixels x 58368 lines x 3 bands Byte image would be larger than 4GB but this is the largest size a TIFF can be. Creation failed. Unfortunately the -of switch does not change this: pct2rgb.py -of hfa .tif .img E

[gdal-dev] Re: Best way to test wheter point is contained in Polygon

2008-09-23 Thread Jose Gomez-Dans
I reply to myself, to see if someone has any insights. 2008/9/22 Jose Gomez-Dans <[EMAIL PROTECTED]> > Hi, > I have a raster file and a vector file. I want to assign to each pixel in > my raster size a value derived from the vector file (which are polygons). To > do this, I want to test that the

[gdal-dev] problem with 5D variables in NetCDF

2008-09-23 Thread Michael Sumner
Hello, The 5D dataset in this NetCDF file causes an error on Windows but not on Linux. http://staff.acecrc.org.au/~mdsumner/gdal/foo.nc The Windows FWTools is recent, and the Linux version is old: Linux: GDAL 1.5dev, FWTools 1.3.2, released 2007/06/01 Windows: GDAL 1.6.0dev, FWTools 2.2.6,

Re: [gdal-dev] 8-bit GeoTIFF and transparency over multiple bands

2008-09-23 Thread Vincent Schut
D wrote: I would need to know, if a three band (RGB) 8-bit GeoTIFF can have transparency enabled? No, there would be no way to know the transparency for a pixel if there are only red/green/blue values available. For that you'll need a 4-band (rgba) image. I know that it is possible to enabl

[gdal-dev] 8-bit GeoTIFF and transparency over multiple bands

2008-09-23 Thread D
I would need to know, if a three band (RGB) 8-bit GeoTIFF can have transparency enabled? I know that it is possible to enable transparency on a singleband TIFF. Can someone confirm this? Best regards, Dejan Gregor ___ gdal-dev mailing list gdal-dev@lis

[gdal-dev] Reading/Interpreting multi band Tiffs

2008-09-23 Thread Tom Kazimiers
Hi there, up to now I only faced Tiff images with palette information. It was relatively easy to read and display everything - I use RasterIO for the one available band and the color table. Now I want to load and display multi band Tiff images - namely the bands red, green and blue. For what I hav