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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi Priscilla,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I guess the problem is that you run g.region both with the –a flag and the align option.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Se:
<a href="https://grass.osgeo.org/grass70/manuals/g.region.html">https://grass.osgeo.org/grass70/manuals/g.region.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Please try:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">g.region -p raster=out_Ghiandone_DEM_strahler@Silvia align=out_Ghiandone_DEM_strahler@Silvia<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">or even just:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">g.region -p raster=out_Ghiandone_DEM_strahler@Silvia<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">(both commands should give the same result).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I have seen quite some confusion around the –a flag (e.g. it has been used in Processing in QGIS in a unsuitable way for
quite some time).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Maybe the manual should be improved by:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">altering the flag description and
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">adding examples for aligning the region to
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">a.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">another raster map<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">b.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">a user given resolution / map resolution<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Flag description could be e.g.:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">“Adjusted to be even multiples of the resolution in raster or res option” instead of the current:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">“Align region to resolution (default = align to bounds, works only for 2D resolution)”<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">BTW, is there any case where it makes sense to specify both –a flag and align option? If not, both could be made mutually
exclusive in order to avoid such confusion?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Finally, two possible examples for the manual of g.region, which might help to make that a bit more clear:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"># Set region extent to a vector map and align resolution to an existing raster map
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">g.region –p vector=soils align=elev_state_500m<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"># Define region to align resolution to be an even multiple of the resolution specified by the user
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">g.region –pa vector=soils res=100<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Stefan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> grass-user [mailto:grass-user-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Margherita Di Leo<br>
<b>Sent:</b> 13. oktober 2016 18:18<br>
<b>To:</b> Priscilla_I <isacco.silvia@gmail.com><br>
<b>Cc:</b> GRASS user list <grass-user@lists.osgeo.org><br>
<b>Subject:</b> Re: [GRASS-user] Problem in running r.basin<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Oct 13, 2016 at 4:51 PM, Priscilla_I <<a href="mailto:isacco.silvia@gmail.com" target="_blank">isacco.silvia@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi,<br>
I'm a new grass user, running "r.basin" module for Grass 7.0.4 on Windows<br>
10, I get this error message "ERROR: Region resolution and raster map<br>
<out_Ghiandone_DEM_strahler> resolution differs. Run 'g.region<br>
raster=out_Ghiandone_DEM_strahler' to set proper region resolution."<br>
I'm using a map in projected coordinates, and I align region with the raster<br>
<br>
g.region -p -a raster=out_Ghiandone_DEM_strahler@Silvia<br>
align=out_Ghiandone_DEM_strahler@Silvia<br>
<br>
projection: 1 (UTM)<br>
zone: 32<br>
datum: wgs84<br>
ellipsoid: wgs84<br>
north: 4965768.6398801<br>
south: 4943886.74090327<br>
west: 353479.72655961<br>
east: 379279.66825865<br>
nsres: 24.64177813<br>
ewres: 24.64177813<br>
rows: 888<br>
cols: 1047<br>
cells: 929736<br>
<br>
<br>
raster info are<br>
<br>
Map: out_Ghiandone_DEM_strahler@Si Date: Thu Oct 13 11:31:23 2016 |<br>
| Mapset: Silvia Login of Creator: Silvia<br>
|<br>
| Location: Piemonte<br>
|<br>
| DataBase: C:\Users\Silvia\Desktop\Grass<br>
|<br>
| Title: ( out_Ghiandone_DEM_strahler )<br>
|<br>
| Timestamp: none<br>
|<br>
<br>
|----------------------------------------------------------------------------|<br>
|<br>
|<br>
| Type of Map: raster Number of Categories: 0<br>
|<br>
| Data Type: CELL<br>
|<br>
| Rows: 888<br>
|<br>
| Columns: 1047<br>
|<br>
| Total Cells: 929736<br>
|<br>
| Projection: UTM (zone 32)<br>
|<br>
| N: 4965768.6398801 S: 4943886.74090327 Res: 24.64177813<br>
|<br>
| E: 379279.66825865 W: 353479.72655961 Res: 24.64177813<br>
|<br>
| Range of data: min = 1 max = 4<br>
|<br>
|<br>
|<br>
| Data Description:<br>
|<br>
| generato da r.stream.order<br>
|<br>
|<br>
|<br>
| Comments:<br>
|<br>
| r.stream.order stream_rast="out_Ghiandone_DEM_stream_e" direction="o\<br>
|<br>
| ut_Ghiandone_DEM_drainage_e" strahler="out_Ghiandone_DEM_strahler" h\<br>
|<br>
| orton="out_Ghiandone_DEM_horton" shreve="out_Ghiandone_DEM_shreve" h\<br>
|<br>
| ack="out_Ghiandone_DEM_hack" memory=300<br>
|<br>
|<br>
|<br>
<br>
+----------------------------------------------------------------------------+<br>
<br>
Any ideas? Thanks in advance!<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">What is the exact r.basin command line that you run? Can you post also
<a href="http://r.info">r.info</a> of the DEM that you use as input? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#666666">Margherita Di Leo</span><o:p></o:p></p>
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