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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>i.atcorr has a rather complex parameter input file, some of it can be simplified by transferring the parameter input to the GRASS GUI i.atcorr dialog box.<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>it would be beneficial</span></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <span class=apple-style-span>to have a single value input box for:<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>---------------------------------------------------------------------------------------<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- Visibility (overwritten by raster input file “visibility”)<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- if Visibility = 0 then enable value input to Aerosol Optical Depth <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- Elevation (overwritten by raster input file “elevation”)<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Combo Boxes:<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>----------------------<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- Atmosphere model (combo box with numbers)<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- Sensor code input (Would be nice to have a double combo box, platform first, then sensor band second)<o:p></o:p></span></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Miscellaneous<o:p></o:p></p><p class=MsoNormal>------------------<o:p></o:p></p><p class=MsoNormal>Additionally, the central pixel Lat/long can be inferred from computational window + some proj code available in r.sun/i.latlong, or maybe as an input lat/long file (if the image covers a vast area it would be more accurate).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>