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<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>Hi<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>When i connect a data source ( with ogr ) i am getting the a
layer first, then i am putting the layer in a loop and transforming
coordinates all the features one bye one,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>(i am using python )<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>import ogr<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>import osr<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>dss = ogr.Open('OCI:user/pass@db_name')<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>sqls = 'select * from schema.table'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>layer = dss.ExecuteSQL( sqls )<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>feature = graphics.GetNextFeature()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>while feature is not None:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
geom = feature.GetGeometryRef()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
ref = osr.SpatialReference()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
out_ref = osr.SpatialReference()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
ref.ImportFromWkt( source_coor ) #source
coordinate definition wkt format<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
out_ref.ImportFromWkt( base_coor ) # the coordinate system whic i want to
transfom the features in wkt format<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
geom.AssignSpatialReference( ref )<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>
geom.TransformTo(out_ref)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:36.0pt'><font size=2 face=Arial><span
lang=TR style='font-size:10.0pt;font-family:Arial'>feature =
graphics.GetNextFeature()<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:36.0pt'><font size=2 face=Arial><span
lang=TR style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'>it’s working fine, but takes long time when i got a
huge data, i couldn’t find a way to transform all layer on one time without
a python loop… is there a way to do it?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=TR style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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