use Mapscript to open GDAL data sources

[Julien-Samuel Lacroix]

Hi,

There's currently no php_gdal module, sorry.

I'm not a GDAL specialist, but you may try to call gdalinfo from inside 
your php script. If you parse the result, you may get what you want.

Just a thought
Julien

On 06/16/2005 11:29 AM, Michael Haertel wrote:
> hi all,
> 
> recently I heard about
> 
> http://dl.maptools.org/dl/php_ogr/php_ogr_documentation.html
> 
> and I wonder if there is a corresponding GDAl extension somewhere.
> 
> I try to access GDAl data sources, especially DTED files with MapScript but
> although it is possible to add them as a layer in a mapserver mapfile I
> fail to simply get the extents in Pixels or ground units from a DTED file.
> 
> Is there a way to get the extents from a DTED1 file? I tried to add the
> dted file to a layer and performed a raster query on that layer but because
> of the 1,400,000 cells this method is not a practicable way to get the
> extents for that layer.
> 
> Is there a way to pass the DTED object to GDs image functions? Or is there
> a php GDAl extension?
> 
> Or is there another mapscript solution to get the extents from a DTED file
> and open it as an image? Of course I can convert the DTED with GDAL
> utilities to a TIFF file (With 16Bit values) but I'd rather access the files
> directly.
> 
> Thanks for any help,
> 
> Michael
> 

-- 
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Julien-Samuel Lacroix            jlacroix at dmsolutions.ca
DM Solutions Group               http://www.dmsolutions.ca/
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