[GRASS-SVN] r71099 - grass/trunk/raster/r.carve

[svn_grass at osgeo.org]

Author: neteler
Date: 2017-05-18 04:33:28 -0700 (Thu, 18 May 2017)
New Revision: 71099

Added:
   grass/trunk/raster/r.carve/r_carve_dem_carved.png
   grass/trunk/raster/r.carve/r_carve_dem_carved_accum.png
   grass/trunk/raster/r.carve/r_carve_dem_carved_shaded.png
   grass/trunk/raster/r.carve/r_carve_dem_orig.png
   grass/trunk/raster/r.carve/r_carve_dem_orig_accum.png
   grass/trunk/raster/r.carve/r_carve_dem_orig_shaded.png
Modified:
   grass/trunk/raster/r.carve/
   grass/trunk/raster/r.carve/r.carve.html
Log:
r.carve manual: example updated with screenshots


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   + OBJ.*
*.tmp.html


Modified: grass/trunk/raster/r.carve/r.carve.html
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--- grass/trunk/raster/r.carve/r.carve.html	2017-05-18 09:47:07 UTC (rev 71098)
+++ grass/trunk/raster/r.carve/r.carve.html	2017-05-18 11:33:28 UTC (rev 71099)
@@ -21,10 +21,83 @@
 North Carolina sample dataset:
 
 <div class="code"><pre>
-g.region raster=elevation -p
-r.carve rast=elevation vect=streams out=carve_dem width=20 depth=5
+# set computational region
+g.region raster=elev_lid792_1m -p
+
+# visualize original data
+d.mon wx0
+d.rast elev_lid792_1m
+d.vect streams
+
+# carve
+r.carve rast=elev_lid792_1m vect=streams out=carved_dem width=3 depth=0.5
+
+# visualize resulting carved DEM map
+d.rast carved_dem
+
+# visualize
+r.relief input=elev_lid792_1m output=elev_lid792_1m_shaded
+r.relief input=carved_dem output=carved_dem_shaded
+d.rast elev_lid792_1m_shaded
+d.erase
+d.rast carved_dem_shaded
+
+# flow accumulation
+r.watershed elevation=elev_lid792_1m accumulation=elev_lid792_1m_accum
+r.watershed elevation=carved_dem accumulation=carved_dem_accum
+d.rast elev_lid792_1m_accum
+d.erase
+d.rast carved_dem_accum
 </pre></div>
 
+<center>
+<table border="1">
+<tr>
+ <td align=center>
+  <a href="r_carve_dem_orig.png">
+  <img src="r_carve_dem_orig.png" width="300" height="321" alt="r.carve example: original DEM" border="0">
+  </a><br>
+  <i>Fig: Original 1m LiDAR based DEM with vector streams map on top</i>
+  </td>
+ <td align=center>
+  <a href="r_carve_dem_orig_shaded.png">
+  <img src="r_carve_dem_orig_shaded.png" width="300" height="321" alt="r.carve example: original DEM shaded" border="0">
+  </a><br>
+  <i>Fig: Original 1m LiDAR based DEM shown as shaded terrain</i>
+ </td>
+</tr>
+<tr>
+ <td align=center>
+  <a href="r_carve_dem_carved.png">
+  <img src="r_carve_dem_carved.png" width="300" height="321" alt="r.carve example: carved DEM" border="0">
+  </a><br>
+  <i>Fig: Carved 1m LiDAR based DEM</i>
+ </td>
+ <td align=center>
+  <a href="r_carve_dem_carved_shaded.png">
+  <img src="r_carve_dem_carved_shaded.png" width="300" height="321" alt="r.carve example: carved DEM shaded" border="0">
+  </a><br>
+  <i>Fig: Carved 1m LiDAR based DEM shown as shaded terrain</i>
+ </td>
+</tr>
+<tr>
+ <td align=center>
+  <a href="r_carve_dem_orig_accum.png">
+  <img src="r_carve_dem_orig_accum.png" width="300" height="321" alt="r.carve example: original DEM flow accumulated" border="0">
+  </a><br>
+  <i>Fig: Flow accumulation in original 1m LiDAR based DEM</i>
+ </td>
+ <td align=center>
+  <a href="r_carve_dem_carved_accum.png">
+  <img src="r_carve_dem_carved_accum.png" width="300" height="321" alt="r.carve example: carved DEM flow accumulation" border="0">
+  </a><br>
+  <i>Fig: Flow accumulation in carved 1m LiDAR based DEM</i>
+ </td>
+</tr>
+</table>
+</center>
+
+
 <h2>KNOWN ISSUES</h2>
 <!-- Is this still the case as of Jan 11, 2008? - EP -->
 The module does not operate yet in latitude-longitude locations.  It

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