Ivan Makes me wonder what kind of performance gain you could see with mapserver on a layer with a large number of images to open.
Seems to me that a tileindex would be a good application of this. Brian On Mon, 2011-10-03 at 19:02 -0500, Ivan Lucena wrote: > Hi All, > > RFC 36: http://trac.osgeo.org/gdal/wiki/rfc36_open_by_drivername > > The goal of RFC 36 is to save processing time by telling GDALOpen what driver > to use, avoiding the driver-probing mechanism (Where all drivers are asked to > checked if they recognize the file). > > It works by adding the driver name before the file-name as in > GDALOpen("hfa:example_file.img"). > > *It is optional*. It does not invalidate the current simple filename entry > that most of the drivers use nor the more complex "filename" string formats > used by a few drivers (with things like server-name, port-number, table-name). > > It is intended to speed up applications or scripts that need to process a > large number of datasets when it already knows what driver to use. > > Command line use should not be affect considerably in terms of speed but it > adds the option to avoid the wrong driver from taking precedence from the > intended one (#3043), ex.: > > $ gdalinfo ntif:/autotest/gdrivers/data/rgb.ntf" > > If you want to try it, a patch that implements this proposed change is > available on ticket 3043 http://trac.osgeo.org/gdal/ticket/3043 > > Please take a look and send us your comments. > > Regards, > > Ivan > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev
