<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
Thanks for the clarification Stefan.
<div class=""><br class="">
</div>
<div class="">It sounds like, unlike other resampling commands (unless they, too, are in error), r.resample.rst needs to be run at the resolution of the original map, not the output map. The output resolution will be determined by the command, not by the region
settings. This should go into the manual too, along with the revised text you suggested.
<div class=""><br class="">
</div>
<div class="">In a somewhat related question, do you have any idea how r.resample.filter works? The manual is not very informative and I couldn’t get any useful downscaling results (lower to higher resolution) with my spot tests. </div>
<div class=""><br class="">
</div>
<div class="">r.resample.interp doesn’t seem to give expected results either. I’ll do a test with demo data when I have a few minutes this week. I did get very good downscaling results with r.resample.bspline, but it took a very long time.</div>
<div class=""><br class="">
</div>
<div class="">Michael<br class="">
<div class="">
<div apple-content-edited="true" class="">
<div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<div style="orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: 2; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<span class="Apple-style-span" style="border-collapse: separate; orphans: 2; text-indent: 0px; widows: 2; border-spacing: 0px;">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;" class="">
____________________</div>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<font face="Helvetica" size="3" class="">C. Michael Barton</font></div>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<font face="Helvetica" size="3" class="">Director, Center for Social Dynamics & Complexity </font></div>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<font face="Helvetica" size="3" class="">Professor of Anthropology, School of Human Evolution & Social Change</font></div>
<div class=""><font face="Helvetica" size="3" class="">Head, Graduate Faculty in Complex Adaptive Systems Science</font></div>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<font face="Helvetica" size="3" class="">Arizona State University</font></div>
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;" class="">
<br class="">
</div>
<font face="Helvetica" size="3" class=""><font class="">voice: </font><font class="">480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)</font><br class="">
<font class="">fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC)</font><br class="">
</font>
<div style="font-variant: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<font face="Helvetica" size="3" class="">www: <a href="http://www.public.asu.edu/~cmbarton" class="">
http://www.public.asu.edu/~cmbarton</a>, <a href="http://csdc.asu.edu" class="">http://csdc.asu.edu</a></font></div>
<br class="">
</div>
<br class="">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
</span><br class="Apple-interchange-newline">
</div>
<br class="Apple-interchange-newline">
</div>
<br class="Apple-interchange-newline">
</div>
<br class="Apple-interchange-newline">
<br class="Apple-interchange-newline">
</div>
<br class="">
<div>
<blockquote type="cite" class="">
<div class="">On Aug 30, 2015, at 12:54 AM, Blumentrath, Stefan <<a href="mailto:Stefan.Blumentrath@nina.no" class="">Stefan.Blumentrath@nina.no</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div class="WordSection1" style="page: WordSection1; font-family: BitstreamVeraSerif-Roman; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Hi Michael,<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">The second sentence you cite from the manual seems indeed a bit imprecise.<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">It should probably say something like:<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">“The extent of all resulting raster maps is taken from the settings of the current region (which may be different from the extent of the input raster
map). The resolution of the current region however has to follow cleanly the resolution of the input map”<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Yet, the example in the manual is correct. It might be modified in order to highlight the module behavior named above by exchanging the first g.region
command by something like:<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">g.region n= s= e= w= align=elevation.dem -p<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">(I do not have the sample data available, so I cannot guess reasonable extent values or another raster or vector map with a smaller extent)…<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Cheers<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Stefan<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""> </span></div>
<div class="">
<div style="border-style: solid none none; border-top-color: rgb(225, 225, 225); border-top-width: 1pt; padding: 3pt 0cm 0cm;" class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<b class=""><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">From:</span></b><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="Apple-converted-space"> </span><a href="mailto:grass-dev-bounces@lists.osgeo.org" class="">grass-dev-bounces@lists.osgeo.org</a>
[<a href="mailto:grass-dev-bounces@lists.osgeo.org" class="">mailto:grass-dev-bounces@lists.osgeo.org</a>]<span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Michael Barton<br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>30. august 2015 04:03<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span>GRASS developers grass-developers <<a href="mailto:grass-dev@lists.osgeo.org" class="">grass-dev@lists.osgeo.org</a>><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>[GRASS-dev] r.resample.rst behavior does not match manual<o:p class=""></o:p></span></div>
</div>
</div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
The r.resample.rst manual states…<span class="Apple-converted-space"> </span><o:p class=""></o:p></div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
" Reinterpolation (resampling) is done to higher, same or lower resolution specified by the ew_res and ns_res parameters.”<o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
The very next sentence states...<o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<br class="">
"All resulting raster maps are created using the settings of the current region (which may be different from that of the input raster map).”<o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
So these two sentences contradict each other. <o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
Additionally, I’ve got a 90m DEM that I want to resample to 30m. I’ve reset the region resolution to 30m. This is exactly the situation listed in the second sentence. Yet r.resample.rst gives the error:<o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
"ERROR: Input map resolution differs from current region resolution!"<o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
So what is the proper way to use this module? Whatever it is, the manual needs to be corrected.<o:p class=""></o:p></div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<o:p class=""> </o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
Michael<span class="Apple-converted-space"> </span><o:p class=""></o:p></div>
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-size: 9pt; font-family: Helvetica, sans-serif;" class="">____________________<o:p class=""></o:p></span></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">C. Michael Barton</span><o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">Director, Center for Social Dynamics & Complexity </span><o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">Professor of Anthropology, School of Human Evolution & Social Change</span><o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">Head, Graduate Faculty in Complex Adaptive Systems Science</span><o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">Arizona State University</span><o:p class=""></o:p></div>
</div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-size: 9pt; font-family: Helvetica, sans-serif;" class=""> </span></div>
</div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">voice: 480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)<br class="">
fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC)</span><o:p class=""></o:p></div>
<div class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" class="">
<span style="font-family: Helvetica, sans-serif;" class="">www:<span class="Apple-converted-space"> </span><a href="http://www.public.asu.edu/~cmbarton" style="color: purple; text-decoration: underline;" class="">http://www.public.asu.edu/~cmbarton</a>,<span class="Apple-converted-space"> </span><a href="http://csdc.asu.edu/" style="color: purple; text-decoration: underline;" class="">http://csdc.asu.edu</a></span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
<br class="">
</div>
</div>
</div>
</body>
</html>