[gdal-dev] FlushFileBuffers in PNG and JPEG drivers

2009-11-24 Thread Ben Harper
Hi, I've noticed that the PNG and JPEG drivers in GDAL call theVSIFFlushL function when finished writing a file. On Win32, this winds up at FlushFileBuffers. Now, unless you're doing something transactional, or using memory mapped files, or something of that nature, FlushFileBuffers is simply no

Re: [gdal-dev] Re: JAVA API - Performance

2009-11-24 Thread Simone Giannecchini
Ciao Even, please read below... --- Ing. Simone Giannecchini GeoSolutions S.A.S. Founder - Software Engineer Via Carignoni 51 55041 Camaiore (LU) Italy phone: +39 0584983027 fax: +39 0584983027 mob:+39 333 8128928 http://www.geo-solut

[gdal-dev] Motion: Promote GDAL 1.6.3-RC1 to 1.6.3

2009-11-24 Thread Howard Butler
I would like to motion to make the 1.6.3-rc1 official. Please run a quick test if you have a chance before voting. +1 Howard On Nov 19, 2009, at 10:09 PM, Howard Butler wrote: > All, > > The GDAL team is pleased to announce the release of GDAL 1.6.3 RC1. > > http://download.osgeo.org/gdal/g

[gdal-dev] Copying text segment header for the NITF driver

2009-11-24 Thread Chiou, Kevin
Hi, I noticed that the current GDAL NITF driver does not copy text header when CreateCopy is performed. So I updated the driver code to perform the copying. However, the approach I took adds some additional data to the dataset's metadata. I want to check to see if this is ok before I open a Trac

Re: [gdal-dev] Benefit of using

2009-11-24 Thread Even Rouault
Jukka Rahkonen a écrit : I guess the main reason was to invalidate existing overviews when the content of the full resolution has changed. See http://trac.osgeo.org/gdal/ticket/2915 for the history of this feature. For external overviews, either in GeoTIFF format (.ovr), or in HFA Imagine for

Re: [gdal-dev] mdb to shape conversion: no geometry exported

2009-11-24 Thread Frank Warmerdam
boris.vasil...@forces.gc.ca wrote: Hi, I would like to convert an ArcGIS .mdb database to shape files but, unfortunately, the geometry is not exported. This issue was raised before in this mailing list, but I could not find a solution. Hence, a new post. ... The .dbf file contains the correct

[gdal-dev] mdb to shape conversion: no geometry exported

2009-11-24 Thread Boris.Vasiliev
Hi, I would like to convert an ArcGIS .mdb database to shape files but, unfortunately, the geometry is not exported. This issue was raised before in this mailing list, but I could not find a solution. Hence, a new post. In particular, ogrinfo returns valid layer names albeit with some warnings

[gdal-dev] Benefit of using

2009-11-24 Thread Jukka Rahkonen
Hi, What is the benefit of using gdaladdo with option -clean? I created accidentally internal overviews instead of external and I was thinking that the -clean option must be a tool to get back to the starting point with no overviews and smaller file size. Hoever, -clean option is obviously made f