[GRASS-SVN] r70167 - grass/trunk/raster/r.texture
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Dec 28 10:31:09 PST 2016
Author: neteler
Date: 2016-12-28 10:31:09 -0800 (Wed, 28 Dec 2016)
New Revision: 70167
Modified:
grass/trunk/raster/r.texture/r.texture.html
Log:
r.texture manual: fix spelling error (trac #3232); do not abbreviate parameters in examples
Modified: grass/trunk/raster/r.texture/r.texture.html
===================================================================
--- grass/trunk/raster/r.texture/r.texture.html 2016-12-28 18:15:36 UTC (rev 70166)
+++ grass/trunk/raster/r.texture/r.texture.html 2016-12-28 18:31:09 UTC (rev 70167)
@@ -39,7 +39,7 @@
ground, often opposing natural to human-made spaces: cultivated fields vs meadows
or golf courses, palm tree plantations vs natural rain forest, but texture can
also be a natural phenomen: dune fields, different canopies due to different
-tree species. The usefulness and use of texture is highly dependend on the
+tree species. The usefulness and use of texture is highly dependent on the
resolution of satellite imagery and on the scale of the human intervention or
the phenomenon that created the texture (also see the discussion of scale
dependency below). The user should observe the phenomenon visually in order to
@@ -136,7 +136,7 @@
<p>
The computational region should be set to the input map with
-<b>g.region rast=<input map></b>, or aligned to the input map
+<b>g.region raster=<input map></b>, or aligned to the input map
with <b>g.region align=<input map></b> if only a subregion
should be analyzed.
@@ -172,11 +172,14 @@
Reducing the number of gray levels (equal-probability quantizing):
<div class="code"><pre>
-g.region -p rast=ortho_2001_t792_1m
-r.quantile in=ortho_2001_t792_1m quantiles=16 -r | r.recode in=ortho_2001_t792_1m out=ortho_2001_t792_1m_q16 rules=-
+g.region -p raster=ortho_2001_t792_1m
+
+# enter as one line or with \
+r.quantile input=ortho_2001_t792_1m quantiles=16 -r | r.recode \
+ input=ortho_2001_t792_1m output=ortho_2001_t792_1m_q16 rules=-
</pre></div>
-The recoded raster map can then be used as input for r.texture as before.
+The recoded raster map can then be used as input for <em>r.texture</em> as before.
<p>
Second example: analysis of IDM (homogeneity) on a simple raster with
@@ -203,10 +206,10 @@
EOF
# adjust region to raster
-g.region rast=lines
+g.region raster=lines
# calculate IDM (homogeneity) in all directions
-r.texture -s lines method=idm out=text_lines
+r.texture -s lines method=idm output=text_lines
</pre></div>
<p>
@@ -233,10 +236,11 @@
The algorithm was implemented after Haralick et al., 1973 and 1979.
<p>
-The code was taken by permission from <em>pgmtexture</em>, part of
+The original code was taken by permission from <em>pgmtexture</em>, part of
PBMPLUS (Copyright 1991, Jef Poskanser and Texas Agricultural Experiment
Station, employer for hire of James Darrell McCauley). Manual page
of <a href="http://netpbm.sourceforge.net/doc/pgmtexture.html">pgmtexture</a>.
+Over the years, the source code of <em>r.texture</em> was further improved.
<ul>
<li>Haralick, R.M., K. Shanmugam, and I. Dinstein (1973). Textural features for
More information about the grass-commit
mailing list