<div dir="ltr"><span class="im">On Sun, Nov 30, 2014 at 11:37 PM, Michael Barton <span dir="ltr"><<a href="mailto:Michael.Barton@asu.edu" target="_blank">Michael.Barton@asu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



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My thinking was that a relief map simulates the appearance of 
topographic relief through the use of ‘hill shading’ (to use the ESRI 
term). 
<div><br></div></div></blockquote></span><div>BTW, hill shading is not 
as bad term as other ESRI terms, the main problems is that it is really 
just ESRI term. It seems to me that nobody else is using it.<br> </div><span class="im"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><div>
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<div>You can “shade” the relief map made with r.relief or other psuedo 
relief maps, like an aspect map (can you shade a slope map in this way? 
Not sure what it would tell you visually) with a color map of some kind 
(hence r.shaded.relief). Or you can
 “drape” the color map over the relief map—perhaps “r.color.drape”. </div>
<div><br></div></div></blockquote><div><br></div></span><div>I'm not 
sure if I follow the first part. But I don't like the drape think as a 
name and as a parameter (d.shade has now drapemap, I would like to get 
rid of it). I know what drape would mean with 3D surface (e.g. in NVIZ) 
but I have no idea what this mean with elevation and its shade. It 
always seems to me that I'm draping the shade over the elevation (as it 
would draping do in 3D) but it is the other way around.<br></div><div><br></div><div>Slope shading or whatever we want to call it is possible in some way. Higher slopes are darker.<br><br>r.colors -n -e map=slope color=grey<br>d.shade drapemap=elevation reliefmap=slope brighten=99<br><br>See
 also "red relief image maps" [1] but slope is there used as color, not 
shade. I'll try to add both examples to manual some time later.<br><br>[1] <a href="https://groups.google.com/forum/?hl=en#%21searchin/lastools/grass/lastools/_Zv6ublzeSE/SRCa_WQ8gusJ" target="_blank">https://groups.google.com/forum/?hl=en#!searchin/lastools/grass/lastools/_Zv6ublzeSE/SRCa_WQ8gusJ</a><br></div><span class="im"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><div>
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<div>There are other kinds of image fusion for sure. The goal is to use 
names that users can easily understand. If d.shade can shade something 
other than a relief map of some kind, then perhaps d.shade is best. If 
it mainly is for shading relief maps
 maps, d.shaded.relief might be better.</div></div></blockquote><div><br></div></span>It's
 mainly for relief but it's general. If there is no strong opposition I 
would stick to d.shade but yes I consider this as important because it 
seemed to me that it is hard find relief shading functionality in GRASS 
(and QGIS too actually). Nothing was backported yet.<br><br>And what about the following?<br><br>- d.shade drapemap=elevation reliefmap=slope<br>+ d.shade color=elevation shade=slope</div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Nov 30, 2014 at 11:37 PM, Michael Barton <span dir="ltr"><<a href="mailto:Michael.Barton@asu.edu" target="_blank">Michael.Barton@asu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



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My thinking was that a relief map simulates the appearance of topographic relief through the use of ‘hill shading’ (to use the ESRI term). 
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<div>You can “shade” the relief map made with r.relief or other psuedo relief maps, like an aspect map (can you shade a slope map in this way? Not sure what it would tell you visually) with a color map of some kind (hence r.shaded.relief). Or you can
 “drape” the color map over the relief map—perhaps “r.color.drape”. </div>
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<div>There are other kinds of image fusion for sure. The goal is to use names that users can easily understand. If d.shade can shade something other than a relief map of some kind, then perhaps d.shade is best. If it mainly is for shading relief maps
 maps, d.shaded.relief might be better.</div>
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<div><span class="">Michael<br>
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<font size="3" face="Helvetica">C. Michael Barton</font></div>
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<font size="3" face="Helvetica">Director, Center for Social Dynamics & Complexity </font></div>
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<font size="3" face="Helvetica">Professor of Anthropology, School of Human Evolution & Social Change</font></div>
<div><font size="3" face="Helvetica">Head, Graduate Faculty in Complex Adaptive Systems Science</font></div>
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<font size="3" face="Helvetica"><font>voice:  </font><font><a href="tel:480-965-6262" value="+14809656262" target="_blank">480-965-6262</a> (SHESC), <a href="tel:480-965-8130" value="+14809658130" target="_blank">480-965-8130</a>/727-9746 (CSDC)</font><br>
<font>fax: <a href="tel:480-965-7671" value="+14809657671" target="_blank">480-965-7671</a> (SHESC),  <a href="tel:480-727-0709" value="+14807270709" target="_blank">480-727-0709</a> (CSDC)</font><br>
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<div>On Nov 30, 2014, at 7:54 PM, Vaclav Petras <<a href="mailto:wenzeslaus@gmail.com" target="_blank">wenzeslaus@gmail.com</a>> wrote:</div>
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 Sun, Nov 30, 2014 at 8:12 PM, Michael Barton<span> </span></span><span dir="ltr" style="font-family:BitstreamVeraSerif-Roman;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><<a href="mailto:Michael.Barton@asu.edu" target="_blank">Michael.Barton@asu.edu</a>></span><span style="font-family:BitstreamVeraSerif-Roman;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important"> </span><span style="font-family:BitstreamVeraSerif-Roman;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">wrote:</span><br style="font-family:BitstreamVeraSerif-Roman;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
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<div style="word-wrap:break-word">My idea is that changing r.shaded.relief -> r.relief allows us to use r/d.shaded.relief for relief maps that are colored by another variable (elevation, land-cover, etc). 
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I don't think this would be a good idea. r.relief (former r.shaded.relief) creates "shade from the (terrain) relief". r.shade (former r.shadedmap, and d.shade) allows to "put the shade on a colored/colorful raster" where both shade and raster can be anything.
 Shade can be e.g. aspect, slope or shade derived from the relief. I know this is probably clear but his was my thinking.<br>
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I didn't though about r.shade and r.relief names before you suggested them and I'm not 100% satisfied with r.relief because it is in fact not relief but shade from relief. However, I like the new names because they are short, there is no problem with using
 or not using the dot between words and they are distinct from each other.<br>
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<font size="3" face="Helvetica">C. Michael Barton</font></div>
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<font size="3" face="Helvetica">Director, Center for Social Dynamics & Complexity </font></div>
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<font size="3" face="Helvetica">Professor of Anthropology, School of Human Evolution & Social Change</font></div>
<div><font size="3" face="Helvetica">Head, Graduate Faculty in Complex Adaptive Systems Science</font></div>
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<font size="3" face="Helvetica"><font>voice:  </font><font><a href="tel:480-965-6262" value="+14809656262" target="_blank">480-965-6262</a><span> </span>(SHESC), <a href="tel:480-965-8130" value="+14809658130" target="_blank">480-965-8130</a>/727-9746 (CSDC)</font><br>
<font>fax:<span> </span><a href="tel:480-965-7671" value="+14809657671" target="_blank">480-965-7671</a><span> </span>(SHESC),  <a href="tel:480-727-0709" value="+14807270709" target="_blank">480-727-0709</a> (CSDC)</font><br>
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<div>On Nov 30, 2014, at 5:50 PM,<span> </span><a href="mailto:grass-dev-request@lists.osgeo.org" target="_blank">grass-dev-request@lists.osgeo.org</a><span> </span>wrote:</div>
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<span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif;color:rgb(127,127,127)"><b>From:<span> </span></b></span><span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif">Vaclav
 Petras <<a href="mailto:wenzeslaus@gmail.com" target="_blank">wenzeslaus@gmail.com</a>><br>
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<span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif;color:rgb(127,127,127)"><b>Cc:<span> </span></b></span><span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif">GRASS
 developers list <<a href="mailto:grass-dev@lists.osgeo.org" target="_blank">grass-dev@lists.osgeo.org</a>><br>
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<span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif;color:rgb(127,127,127)"><b>To:<span> </span></b></span><span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif">Markus
 Neteler <<a href="mailto:neteler@osgeo.org" target="_blank">neteler@osgeo.org</a>><br>
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<span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif;color:rgb(127,127,127)"><b>Date:<span> </span></b></span><span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif">November
 30, 2014 at 5:31:35 PM MST<br>
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<span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif;color:rgb(127,127,127)"><b>Subject:<span> </span></b></span><span style="font-family:-webkit-system-font,'Helvetica Neue',Helvetica,sans-serif"><b>Re:
 [GRASS-dev] [GRASS-SVN] r62845 - in grass/trunk/scripts: . d.shadedmap r.shadedmap</b><br>
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<div class="gmail_quote">On Sat, Nov 29, 2014 at 9:43 AM, Vaclav Petras<span> </span><span dir="ltr"><<a href="mailto:wenzeslaus@gmail.com" target="_blank">wenzeslaus@gmail.com</a>></span><span> </span>wrote:<br>
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<div>On Sat, Nov 29, 2014 at 9:30 AM, Markus Neteler<span> </span><span dir="ltr"><<a href="mailto:neteler@osgeo.org" target="_blank">neteler@osgeo.org</a>></span><span> </span>wrote:<br>
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<span>On Sat, Nov 29, 2014 at 12:37 AM, Vaclav Petras <<a href="mailto:wenzeslaus@gmail.com" target="_blank">wenzeslaus@gmail.com</a>> wrote:<br>
><br>
> On Fri, Nov 28, 2014 at 5:40 PM, Michael Barton <<a href="mailto:Michael.Barton@asu.edu" target="_blank">Michael.Barton@asu.edu</a>><br>
> wrote:<br>
>><br>
>> Probably nothing to be done about this since r.shaded.relief goes back a<br>
>> long time. But a more sensible renaming would have the script now called<br>
>> r.chaded.relief renamed to simply r.relief. Then the modules that drape a<br>
>> colored map onto a relief map could be called x.shaded.relief,<br>
>> x.shadedrelief, or something like that.<br>
>><br>
> That's an interesting option. I'm not sure if I like it but it's worth<br>
> exploring. If we go even further we get:<br>
><br>
> r.shaded.relief -> r.relief<br>
> r.shadedmap -> r.shade<br>
> d.shadedmap -> d.shade<br>
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</span>... along with:<br>
- r.blend<br>
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Yes, I like this list better than the current names of discussed modules.<br>
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<div>So, if you like it, I can like it too and I will change it hopefully soon. Just to be sure: including<span> </span><span>r.shaded.relief -> r.relief?<br>
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r.shaded.relief -> r.relief<br>
r.shadedmap -> r.shade<br>
d.shadedmap -> d.shade<br>
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<div><span>Done in<span> </span></span>r63305 with few other improvements.<br>
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Now I'm not sure with [rd].shade parameters. reliefmap and drapemap are not particularly explanatory. My idea was shade and color which is better when shade=slope compared to relief=slope. color=elevation is also quite understandable but of course it is quite
 unexpected that the color option is a raster map.<br>
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<div>There is also one detail I'm not sure about.<span> </span><span>r.relief might be now missing one keyword and that is "shaded relief". "relief" should be there too but having also<span> </span></span><span>"shaded
 relief" distinguishes it from things like "local relief (model)".<br>
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<a href="http://trac.osgeo.org/grass/changeset/63305" target="_blank">http://trac.osgeo.org/grass/changeset/63305</a><br>
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<div><span>Vaclav<br>
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<span><font color="#888888">Markus<br>
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