<div dir="ltr">Hola Mati!<div><br></div><div>Maybe if you tell us more about your data, workflow and the commands you are using, we could help you. What do you use gdalwarp for? </div><div><br></div><div>Cheers, </div><div>Vero</div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-05-06 18:24 GMT-03:00 Matías Alejandro Castillo Moine <span dir="ltr"><<a href="mailto:matialecastillo@hotmail.com" target="_blank">matialecastillo@hotmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Hola Verooooo!<br>Thanks you for answer!<br>I'm working to solve it. Apparently all my imported rasters are zero cell values. There is something wrong with my gdalwarp command... I'll tell you later...<br>Thanks!!!<br><div class="hm HOEnZb"><br><hr>Date: Thu, 5 May 2016 14:07:56 -0300<br>Subject: Re: [GRASS-user] FW: Temporal + export<br>From: <a href="mailto:veroandreo@gmail.com" target="_blank">veroandreo@gmail.com</a><br>To: <a href="mailto:matialecastillo@hotmail.com" target="_blank">matialecastillo@hotmail.com</a><br>CC: <a href="mailto:grass-user@lists.osgeo.org" target="_blank">grass-user@lists.osgeo.org</a></div><div><div class="h5"><br><br><div dir="ltr">Hola Mati!!!!!<div><br></div><div>I'm so glad you are using grass and writing to the list! :)</div><div><br></div><div>Markus won me, but I had the same pieces of advice.</div><div><br></div><div>First idea/advice: do not use folder names (nor file names) with spaces, second: maybe you wanna update to 7.0.4, the new stable release.</div><div><br></div><div>I've tried here (grass71, fedora23 box) with: </div><div><br></div><div>t.rast.export input=cla@clorofila output=cla.gzip compression=gzip directory=/home/veroandreo where="start_time >= '2013-01-01'"<br></div><div><br></div><div><div>Checking GDAL data type and nodata value...</div><div> 100%</div><div>Using GDAL data type <Float32></div><div>Input raster map contains cells with NULL-value (no-data). The value -nan</div><div>will be used to represent no-data values in the input map. You can specify</div><div>a nodata value with the nodata option.</div><div>Exporting raster data to GTiff format...</div><div> 100%</div><div>r.out.gdal complete. File <A20130012013008.L3m_8D_CHL_chlor_a_4km_arg.tif></div><div>created.</div></div><div>...</div><div>tar xvf cla.gzip<br></div><div><br></div><div>all is there and looks fine...</div><div><br></div><div>The nodata option comes from r.out.gdal [1]. t.rast.export uses it to export maps in the strds. Don't know about gdalwarp, but in any case, if you will then import data into R for other analyses, you can change the value there.</div><div><br></div><div>Un abrazo, </div><div>Vero</div><div><br></div><div>[1] <a href="https://grass.osgeo.org/grass70/manuals/r.out.gdal.html" target="_blank">https://grass.osgeo.org/grass70/manuals/r.out.gdal.html</a></div><div><br></div><div><br></div></div><div><br><div>2016-05-05 12:41 GMT-03:00 Matías Alejandro Castillo Moine <span dir="ltr"><<a href="mailto:matialecastillo@hotmail.com" target="_blank">matialecastillo@hotmail.com</a>></span>:<br><blockquote style="border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><div><span style="font-size:12pt">Hi everyone! </span></div><div><span style="font-size:12pt"><br></span></div><div>I never used a list... I think I made a mistake when sent the message yesterday...</div><div><br></div><div><div dir="ltr"><div>I was construct a strds in grass 7.0.3, and I want to export it for use in R to do some statistics not included with tgrass.. But when I do the export operation, I receive this message: </div><div><br></div><div>Usising the GUI: </div><div><div>t.rast.export --overwrite --verbose input=LST2@MOD11A2 output=C:\SIG\Base de datos area de estudio\Datasets_R\LSR_R compression=gzip</div><div>Traceback (most recent call last):</div><div> File "C:\OSGEO4~1\apps\grass\grass-7.0.3/scripts/t.rast.ex</div><div>port.py", line 87, in <module></div><div> main()</div><div> File "C:\OSGEO4~1\apps\grass\grass-7.0.3/scripts/t.rast.ex</div><div>port.py", line 82, in main</div><div> _input, output, compression, directory, where, _format,</div><div>"strds")</div><div> File "C:\OSGEO4~1\apps\grass\grass-7.0.3\etc\python\grass\</div><div>temporal\stds_export.py", line 268, in export_stds</div><div> new_cwd = tempfile.mkdtemp(dir=directory)</div><div> File "C:\OSGEO4~1\apps\Python27\lib\tempfile.py", line</div><div>329, in mkdtemp</div><div> _os.mkdir(file, 0700)</div><div>WindowsError: [Error 3] El sistema no puede encontrar la</div><div>ruta especificada: '/tmp\\tmppi2oh1'</div><div>(Wed May 04 16:09:44 2016) Comando finalizado. (1 segundos) </div></div><div><br></div><div><div><br></div><div>In python (very difficult): </div><div><br></div><div>input="LST2@MOD11A2"</div><div>output="LST_R.tar.gz"</div><div>compression="gzip"</div><div>directory="C:/SIG/Base de datos area de estudio/Datasets_R/"</div><div>where=None</div><div>format_="GTiff"</div><div>type_="strds"</div><div>tgis.export_stds(input, output, compression, directory, where, format_, type_)</div><div>>>>Traceback (most recent call last):</div><div> File "<input>", line 1, in <module></div><div> File "C:\OSGEO4~1\apps\grass\grass-7.0.3\etc\python\grass\temporal\stds_export.py", line 298, in export_stds</div><div> rows, tar, list_file, new_cwd, fs, format_)</div><div> File "C:\OSGEO4~1\apps\grass\grass-7.0.3\etc\python\grass\temporal\stds_export.py", line 74, in _export_raster_maps_as_gdal</div><div> nodata = max_val + 1</div><div>TypeError: unsupported operand type(s) for +: 'NoneType' and 'int'</div></div><div><br></div><div><br></div><div>Some idea? I was try to set the nodata values to 0 using gdalwarp but this doesn't work apparently... </div><div><br></div><div>Thanks you!!</div><span><font color="#888888"><div><br></div><div>Matías</div> </font></span></div></div> </div></div>
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