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<TITLE>New to list and question (UNCLASSIFIED)</TITLE>
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<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Classification: UNCLASSIFIED</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Caveats: NONE</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Hi all,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">I joined this list today. I have a question about using Python bindings with GDAL to get info</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">from</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">a geotiff. </FONT></SPAN><SPAN LANG="en-us"> </SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">What are the functions that I need to obtain coordinate extents of raster data? </FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">For example, if I have a rectangular area from Washington, DC with coordinates in UTM format, how would I</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">determine</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">the</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">top-left and lower-right corners? I was unable to find an example in the documentation. </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Here</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">’</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">s a snippet of my code</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> of where I</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">’</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">m at</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">:</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">f</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">rom</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">osgeo import gdal</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">gdaldata = gdal.Open(gtiff_filename)</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">prj = gdaldata.GetProjection()</FONT></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">trfm = gdaldata.GetGeoTransform()</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Thanks everyone,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Jon</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Classification: UNCLASSIFIED</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Caveats: NONE</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN></P>
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