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<body class='hmmessage'><div dir='ltr'><br>I have a Landsat TM image (2007) and I work in GRASS 7.0.0. in Windows 7. <br>
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<div id="inboxControl0f"> <div class="containsYSizerBar"> </div></div></div></div></div></div><span class="SearchBox"></span>Once again, trying to apply the module i.landsat.toar in the right way, via GUI, I have the outcome of 7 bands under the name Btoar1, Btoar2 etc.<br>Also trying to check the results via r-info for all bands I realized that bands have different values and also 0 values. For example for Band1:<br><br>Type of Map: raster Number of Categories: 0 <br> | Data Type: DCELL <br> | Data Units: W/(m^2 sr um) Vertical datum: (none) <br> | Rows: 2434 <br> | Columns: 2251 <br> | Total Cells: 5478934 <br> | Projection: Transverse Mercator <br> | N: 4532411.19817413 S: 4459391.19817413 Res: 30 <br> | E: 441929.01667078 W: 374399.01667078 Res: 30 <br> | Range of data: min = 39.0688188976378 max = 193 <br> | <br> | Data Description: <br> | generated by i.landsat.toar <br> | <br> | Comments: <br> | Radiance of Landsat-5 TM (method uncorrected) <br> | ----------------------------------------------------------------- <br> | Acquisition date (and time) ........... 2007-06-24 (-0.0000 h) <br> | Production date ....................... 2014-05-09 <br> | <br> | Earth-sun distance (d) ................ 0.0000000 <br> | Sun elevation (and azimuth) ........... -0.00000 (0.00000) <br> | Digital number (DN) range ............. 0 to 0 <br> | Calibration constants (Lmin to Lmax) .. +0.00000 to +0.00000 <br> | DN to Radiance (gain and bias) ........ -0.00000 and +0.00000 <br> | Mean solar irradiance (ESUN) .......... -0.000 <br> | Radiance to Reflectance (divide by) ... -0.00000 <br> | ------------------------------------------------------------------ <br> | <br> | i.landsat.toar -r input="B" output="Btoar" metfile="C:\Users\User\Desktop\thessaloniki\2007tm\thessaloniki2007tm\LT51840322007175MOR00_M\ <br> | TL.txt" sensor="tm5" method="uncorrected" percent=0.01 pixel=1000 rayleigh=0.0 scale=1.0 <br><br>Also for band2: min: 27.571968503937 max: 365<br> band3: min: 13.4456692913386 max: 264<br> band4:min: -0.633976377952756 max:221<br> band5:min: 0.231771653543307 max: 30.2<br> band6:min: 8.87961417322835 max: 12.3681771653543 <br> band7:min: -0.15 max: 16.5<br><br>What I can do???<br><br>Thank you<br> </div></body>
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