[GRASS-SVN] r48955 - in grass/branches/develbranch_6: db imagery
imagery/i.class imagery/i.cluster imagery/i.group
imagery/i.maxlik imagery/i.points imagery/i.rectify
imagery/i.target imagery/i.vpoints raster raster3d
scripts/r.in.srtm vector/v.qcount vector/v.sample vector/v.to.points
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Oct 26 16:50:25 EDT 2011
Author: neteler
Date: 2011-10-26 13:50:24 -0700 (Wed, 26 Oct 2011)
New Revision: 48955
Modified:
grass/branches/develbranch_6/db/databaseintro.html
grass/branches/develbranch_6/imagery/i.class/description.html
grass/branches/develbranch_6/imagery/i.cluster/description.html
grass/branches/develbranch_6/imagery/i.group/description.html
grass/branches/develbranch_6/imagery/i.maxlik/description.html
grass/branches/develbranch_6/imagery/i.points/description.html
grass/branches/develbranch_6/imagery/i.rectify/description.html
grass/branches/develbranch_6/imagery/i.target/description.html
grass/branches/develbranch_6/imagery/i.vpoints/description.html
grass/branches/develbranch_6/imagery/imageryintro.html
grass/branches/develbranch_6/raster/rasterintro.html
grass/branches/develbranch_6/raster3d/raster3dintro.html
grass/branches/develbranch_6/scripts/r.in.srtm/description.html
grass/branches/develbranch_6/vector/v.qcount/description.html
grass/branches/develbranch_6/vector/v.sample/description.html
grass/branches/develbranch_6/vector/v.to.points/description.html
Log:
HTML prettified
Modified: grass/branches/develbranch_6/db/databaseintro.html
===================================================================
--- grass/branches/develbranch_6/db/databaseintro.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/db/databaseintro.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -118,8 +118,7 @@
<a href="database.html">database index</a> -
<a href="full_index.html">full index</a>
-<p><i>Last changed: $Date$</i></p>
-<P>© 2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
+<P>© 2008-2011 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
</body>
</html>
Modified: grass/branches/develbranch_6/imagery/i.class/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.class/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.class/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,16 +1,16 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.class</EM>
+<em>i.class</em>
performs the first pass in the GRASS two-pass supervised image
classification process;
the GRASS program
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM> executes the second pass.
+<em><a href="i.maxlik.html">i.maxlik</a></em> executes the second pass.
Both programs must be run to generate a classified map in GRASS
raster format.
-<P>
+<p>
-<EM>i.class</EM> is an interactive program that allows the user to outline
+<em>i.class</em> is an interactive program that allows the user to outline
a region on the screen and calculate the spectral signature based on the
cells that are within that region. During this process the user will be
shown a histogram of the region for each image band. The user can also
@@ -20,42 +20,42 @@
is likely to be put into the class associated with the current signature.
-<P>
+<p>
The spectral signatures that result are composed of region means and
covariance matrices. These region means and covariance matrices are used in
-the second pass (<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>) to classify
+the second pass (<em><a href="i.maxlik.html">i.maxlik</a></em>) to classify
the image.
-<P>
+<p>
-Alternatively, the spectral signatures generated by <EM>i.class</EM> can be
+Alternatively, the spectral signatures generated by <em>i.class</em> can be
used for seed means for the clusters in the
-<EM><A HREF="i.cluster.html">i.cluster</A></EM> program.
+<em><a href="i.cluster.html">i.cluster</a></em> program.
-<H2>USER INPUTS</H2>
+<h2>USER INPUTS</h2>
At the command line the user is asked to enter the name of the raster map
to be displayed during the process of outlining regions.
Typically, the user will want to enter the name of a color
composite previously created by
-<EM><A HREF="r.composite.html">r.composite</A></EM>.
+<em><a href="r.composite.html">r.composite</a></em>.
However, the user can enter the name of any existing raster
map. This leaves the potential for using a raster map not
directly derived from the image as a backdrop on which the
user can outline the classes of interest.
-<P>
+<p>
-The first screen in the program <EM>i.class</EM> asks the user for the
-<A HREF="i.group.html">imagery</A> <EM>group</EM> and <EM>subgroup</EM>
+The first screen in the program <em>i.class</em> asks the user for the
+<a href="i.group.html">imagery</a> <em>group</em> and <em>subgroup</em>
to be analyzed:
-<div class="code"><PRE>
+<div class="code"><pre>
LOCATION: location SUPERVISED CLASSIFIER MAPSET: demo
Please select the group and subgroup to be analyzed
@@ -66,47 +66,47 @@
AFTER COMPLETING ALL ANSWERS, HIT <ESC> TO CONTINUE
(OR <Ctrl-C> TO CANCEL)
-</PRE></div>
+</pre></div>
-<P>
+<p>
-The <EM>group</EM> should contain the
+The <em>group</em> should contain the
imagery bands that the user wishes
-to classify. The <EM>subgroup</EM> is a subset of this group.
+to classify. The <em>subgroup</em> is a subset of this group.
The user must create a group and a subgroup by running the GRASS program
-<EM><A HREF="i.group.html">i.group</A></EM>
-before running <EM>i.class</EM>. The subgroup should contain
+<em><a href="i.group.html">i.group</a></em>
+before running <em>i.class</em>. The subgroup should contain
only the image bands that the user wishes to classify.
Note that this subgroup must contain more than one band.
-<P>
+<p>
After the first screen, the program asks the user for the name of the
resulting signature file. The signature file is both the output file for
-<EM>i.class</EM> and the required input file for the GRASS
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM> module.
+<em>i.class</em> and the required input file for the GRASS
+<em><a href="i.maxlik.html">i.maxlik</a></em> module.
It contains the region means and covariance matrices that are used to
-classify an image in <EM><A HREF="i.maxlik.html">i.maxlik</A></EM>.
+classify an image in <em><a href="i.maxlik.html">i.maxlik</a></em>.
The signature file will be saved in the
<tt>$MAPSET/group/$GROUP/subgroup/$SUBGROUP/sig/</tt> directory.
-<P>
+<p>
After entering the resulting signature file name, the user
is asked to enter the name of a seed signature file. This
is optional. A "seed" signature file is a previously
created signature file. Such a seed signature file may be
-the result of an earlier run of <EM>i.class</EM>. The seed
+the result of an earlier run of <em>i.class</em>. The seed
signature file is copied into the new resulting signature
file before any new signatures are added by
-<EM>i.class</EM>. In this way, you can collect the work
-from several sessions with <EM>i.class</EM> into one
+<em>i.class</em>. In this way, you can collect the work
+from several sessions with <em>i.class</em> into one
signature file.
-<P>
+<p>
-At this point the <EM>i.class</EM> graphics screen will be
+At this point the <em>i.class</em> graphics screen will be
drawn on the graphics monitor and the user will be directed
to use the mouse. From this point on the user will
primarily work with the mouse, selecting options from the
@@ -114,12 +114,12 @@
that the user will need to return to the text terminal is
to enter names for the signatures created.
-<H2>THE DISPLAY FRAMES</H2>
+<h2>THE DISPLAY FRAMES</h2>
-The display frame layout that <EM>i.class</EM> uses is
+The display frame layout that <em>i.class</em> uses is
represented below for reference.
-<div class="code"><PRE>
+<div class="code"><pre>
+-----------------------+---------------------------+
| | |
| | Map Display Frame |
@@ -142,12 +142,12 @@
+-----------------------+---------------------------+
| Menu Frame |
+---------------------------------------------------+
-</PRE></div>
+</pre></div>
-<H2>THE MENUS</H2>
+<h2>THE MENUS</h2>
-All of the menus in the <EM>i.class</EM> program are
+All of the menus in the <em>i.class</em> program are
displayed across the bottom of the graphics monitor in the
Menu Frame. To select an option from one of these menus,
simply place the cursor over your selection and press any
@@ -160,17 +160,17 @@
The Command Menu includes the following selections:
-<DL>
+<dl>
-<DT><EM>Zoom</EM>
+<dt><em>Zoom</em>
-<DD>This command allows the user to outline a rectangular
+<dd>This command allows the user to outline a rectangular
region in either the Map or Zoom Display Frames and the
region is displayed, magnified, to fit in the Zoom Display
Frame. A red rectangle is drawn in the Map Display Frame,
indicating what area the Zoom Display Frame shows.
-<P>
+<p>
To outline the rectangular region simply use any mouse button to anchor
the first corner of the border and then use any button to choose the
@@ -178,26 +178,26 @@
-<DT><EM>Define region</EM>
+<dt><em>Define region</em>
-<DD>This selection takes the user to the
-<A HREF="#regionmenu">Region Menu</A>.
+<dd>This selection takes the user to the
+<a href="#regionmenu">Region Menu</a>.
This menu includes the
options that allow the user to outline a region of interest
on the displayed raster map.
-<DT><EM>Redisplay map</EM>
+<dt><em>Redisplay map</em>
-<DD>This selection takes the user to the Redisplay Menu.
+<dd>This selection takes the user to the Redisplay Menu.
The
-<A HREF="#redisplaymenu">Redisplay Menu</A>
+<a href="#redisplaymenu">Redisplay Menu</a>
allows the user to redraw map display
frames.
-<DT><EM>Analyze region</EM>
+<dt><em>Analyze region</em>
-<DD>This selection starts the process of analyzing the
+<dd>This selection starts the process of analyzing the
currently defined region. A histogram of the defined
region will be displayed for each band. On the histogram
for each band, the mean, standard deviation, minimum cell
@@ -208,27 +208,27 @@
possible, centered around the mean, will be displayed.
After the histograms are displayed, the user will be given
the
-<A HREF="#signaturemenu">Signature Menu</A>.
+<a href="#signaturemenu">Signature Menu</a>.
-<DT><EM>Quit</EM>
-<DD>The user should make this selection
-to end the session with <EM>i.class</EM>.
+<dt><em>Quit</em>
+<dd>The user should make this selection
+to end the session with <em>i.class</em>.
-</DL>
+</dl>
<A NAME="regionmenu"></a>
<H3>The Region Menu</H3>
The Region Menu contains the following selections:
-<DL>
+<dl>
-<DT><EM>Erase region</EM>
-<DD>This selection erases any currently defined
+<dt><em>Erase region</em>
+<dd>This selection erases any currently defined
region.
-<DT><EM>Draw region</EM>
-<DD>This selection allows the user to use the mouse to
+<dt><em>Draw region</em>
+<dd>This selection allows the user to use the mouse to
draw a region on either the Map or Zoom Display Frame. An
explanation of which mouse buttons to use is displayed in the Menu
Frame. The user does not need to try to complete the region boundary. The
@@ -236,23 +236,23 @@
Complete region option on the Region Menu.
-<DT><EM>Restore last region</EM>
-<DD>This selection restores the last region
+<dt><em>Restore last region</em>
+<dd>This selection restores the last region
that was drawn. After a region is completed, it will be saved to be
restored later. Only one previous region is saved.
-<DT><EM>Complete region</EM>
-<DD>This selection completes the region that is
+<dt><em>Complete region</em>
+<dd>This selection completes the region that is
currently being drawn. As noted above, it saves the complete
region to be restored later, if needed. Once the user has made a
complete region, it can be analyzed with the Analyze Region
-selection on the <A HREF="#commandmenu">Command Menu</A>.
+selection on the <a href="#commandmenu">Command Menu</a>.
-<DT><EM>Done</EM>
-<DD>Use this selection to return to the
-<A HREF="#commandmenu">Command Menu</A>.
+<dt><em>Done</em>
+<dd>Use this selection to return to the
+<a href="#commandmenu">Command Menu</a>.
-</DL>
+</dl>
<A NAME="redisplaymenu"></a>
<H3>The Redisplay Map Menu</H3>
@@ -260,27 +260,27 @@
The Redisplay Map Menu has the following selections, which are useful
to redraw the raster maps displayed in the Map and Zoom Display Frames.
-<DL>
+<dl>
-<DT><EM>Map geographic region</EM>
-<DD>This selection causes the raster map in the Map
+<dt><em>Map geographic region</em>
+<dd>This selection causes the raster map in the Map
Display Frame to be redrawn.
-<DT><EM>Zoom region</EM>
-<DD>This selection causes the Zoom Display Frame to
+<dt><em>Zoom region</em>
+<dd>This selection causes the Zoom Display Frame to
be redrawn.
-<DT><EM>Both</EM>
-<DD>This selection causes both the Map and Zoom Display
+<dt><em>Both</em>
+<dd>This selection causes both the Map and Zoom Display
Frames to be redrawn.
-<DT><EM>Cancel</EM>
-<DD>Use this selection if you do not want to redisplay
+<dt><em>Cancel</em>
+<dd>Use this selection if you do not want to redisplay
either of the above regions. The user will be returned to the
-<A HREF="#commandmenu">Command Menu</A>.
+<a href="#commandmenu">Command Menu</a>.
-</DL>
+</dl>
<A NAME="signaturemenu"></a>
<H3>The Analyze Region Menu</H3>
@@ -295,11 +295,11 @@
following selections are available on the Signature Menu:
-<DL>
+<dl>
-<DT><EM>Set std dev's</EM>
+<dt><em>Set std dev's</em>
-<DD>This selection allows the user to set the number of
+<dd>This selection allows the user to set the number of
standard deviations from the mean for the maximum and
minimum range. The maximum and minimum range is used when
finding the cells that "match" the signature. The user is
@@ -312,118 +312,118 @@
and minimum range marked.
-<P>
+<p>
Note that the number in parentheses on this
selection is the current number of standard deviations.
-<DT><EM>Set color</EM>
+<dt><em>Set color</em>
-<DD>This selection allows the user to set the color for the
+<dd>This selection allows the user to set the color for the
display of cells that "match" the current signature. The
user is presented with a menu of color choices. The color
selected will be used when the Display Matches Menu
selection is made.
-<P>
+<p>
Note that the color in parentheses on this selection is the current
color for display.
-<DT><EM>Display matches</EM>
+<dt><em>Display matches</em>
-<DD>This selection displays the cells that "match" the
+<dd>This selection displays the cells that "match" the
current signature in the current color. A cell "matches"
the current signature if the cell value in each band is
between the minimum range and maximum range for that band
defined by the number of standard deviations currently
set.
-<DT><EM>Done</EM>
+<dt><em>Done</em>
-<DD>When this selection is chosen, the user will be asked
+<dd>When this selection is chosen, the user will be asked
whether or not he/she would like to save the current
signature. If the user answers with the "Yes" selection,
he/she will be asked to enter a description for the
resultant signature file on the text terminal keyboard.
-The saved signature file description will be used by <EM>
-<A HREF="i.maxlik.html">i.maxlik</A></EM> to name the
+The saved signature file description will be used by <em>
+<a href="i.maxlik.html">i.maxlik</a></em> to name the
category that is created from the current signature. After
either a "No" answer or the signature description is
entered, the user is returned to the Command Menu.
-</DL>
+</dl>
-<H2>NOTES</H2>
+<h2>NOTES</h2>
-<EM>i.class</EM> uses the current MASK to generate the
+<em>i.class</em> uses the current MASK to generate the
overlay for cells that match a signature. As a result, if
a MASK already exists it will be removed during the
execution of this program.
-<P>
+<p>
The cell values in the image bands cannot fall outside of
-the range of 0 to 255. <EM>i.class</EM> will report an
+the range of 0 to 255. <em>i.class</em> will report an
error if they do.
-<P>
-<EM>i.class</EM>, like some of the other
-<A HREF="imagery.html">imagery</A> programs, does not use the
+<p>
+<em>i.class</em>, like some of the other
+<a href="imagery.html">imagery</a> programs, does not use the
standard GRASS display frames. After running
-<EM>i.class</EM>, you will need to create a display frame
+<em>i.class</em>, you will need to create a display frame
(e.g., using
-<EM><A HREF="d.frame.html">d.frame</A></EM> or
+<em><a href="d.frame.html">d.frame</a></em> or
-<EM><A HREF="d.erase.html">d.erase</A></EM>)
+<em><a href="d.erase.html">d.erase</a></em>)
before you can use most of the GRASS display (d.) commands.
-<P>
-<EM><A HREF="i.group.html">i.group</A></EM>
-must be run before <EM>i.class</EM> to create an
-<A HREF="i.group.html">imagery</A> group and a subgroup
+<p>
+<em><a href="i.group.html">i.group</a></em>
+must be run before <em>i.class</em> to create an
+<a href="i.group.html">imagery</a> group and a subgroup
containing the image bands to be classified.
-<P>
+<p>
The user can perform a supervised image classification by
-running <EM>i.class</EM> followed by
+running <em>i.class</em> followed by
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>.
+<em><a href="i.maxlik.html">i.maxlik</a></em>.
The user can perform an unsupervised classification
by running
-<EM><A HREF="i.cluster.html">i.cluster</A></EM> followed by
+<em><a href="i.cluster.html">i.cluster</a></em> followed by
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>.
+<em><a href="i.maxlik.html">i.maxlik</a></em>.
-<P>
-<EM>i.class</EM> is interactive and requires the user to be running
-a graphics display monitor (see <EM><A HREF="d.mon.html">d.mon</A></EM>)
+<p>
+<em>i.class</em> is interactive and requires the user to be running
+a graphics display monitor (see <em><a href="d.mon.html">d.mon</a></em>)
to run this program.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM><A HREF="d.frame.html">d.frame</A>,
-<A HREF="d.mon.html">d.mon</A>,
-<A HREF="g.region.html">g.region</A>,
-<A HREF="i.cca.html">i.cca</A>,
-<A HREF="i.cluster.html">i.cluster</A>,
-<A HREF="r.composite.html">r.composite</A>,
-<A HREF="i.group.html">i.group</A>,
-<A HREF="i.maxlik.html">i.maxlik</A>,
-<A HREF="r.mapcalc.html">r.mapcalc</A></EM>
+<p>
+<em><a href="d.frame.html">d.frame</a>,
+<a href="d.mon.html">d.mon</a>,
+<a href="g.region.html">g.region</a>,
+<a href="i.cca.html">i.cca</a>,
+<a href="i.cluster.html">i.cluster</a>,
+<a href="r.composite.html">r.composite</a>,
+<a href="i.group.html">i.group</a>,
+<a href="i.maxlik.html">i.maxlik</a>,
+<a href="r.mapcalc.html">r.mapcalc</a></em>
-<H2>AUTHOR</H2>
+<h2>AUTHOR</h2>
David Satnik,
Central Washington University
Modified: grass/branches/develbranch_6/imagery/i.cluster/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.cluster/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.cluster/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,17 +1,16 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.cluster</EM>
+<em>i.cluster</em>
performs the first pass in the GRASS two-pass unsupervised
-classification of imagery, while the GRASS program <EM>
-<A HREF="i.maxlik.html">i.maxlik</A></EM> executes
+classification of imagery, while the GRASS program <em>
+<a href="i.maxlik.html">i.maxlik</a></em> executes
the second pass. Both programs must be run to complete the unsupervised
classification.
+<p>
-<P>
-
-<EM>i.cluster</EM> is a clustering algorithm that reads
+<em>i.cluster</em> is a clustering algorithm that reads
through the (raster) imagery data and builds pixel clusters
based on the spectral reflectances of the pixels (see Figure).
The pixel clusters are imagery categories that can be related
@@ -23,7 +22,7 @@
<p>
<center>
-<img src="landsat_cluster.png" border=1><BR>
+<img src="landsat_cluster.png" border=1><br>
<table border=0 width=590>
<tr><td><center>
<i>Fig.: Land use/land cover clustering of LANDSAT scene (simplified)</i>
@@ -32,7 +31,7 @@
</center>
<p>
-<EM>i.cluster</EM> starts by generating spectral signatures
+<em>i.cluster</em> starts by generating spectral signatures
for this number of clusters and "attempts" to end up with
this number of clusters during the clustering process. The
resulting number of clusters and their spectral
@@ -44,12 +43,12 @@
and the row and column sampling intervals.
-<P>
+<p>
The cluster spectral signatures that result are composed of
cluster means and covariance matrices. These cluster means
and covariance matrices are used in the second pass
-(<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>) to
+(<em><a href="i.maxlik.html">i.maxlik</a></em>) to
classify the image. The clusters or spectral classes
result can be related to land cover types on the ground.
@@ -57,22 +56,22 @@
file, the name of a file to contain result signatures, the
initial number of clusters to be discriminated, and
optionally other parameters (see below)
-where the <EM>group</EM> should contain the imagery files
-that the user wishes to classify. The <EM>subgroup</EM> is
+where the <em>group</em> should contain the imagery files
+that the user wishes to classify. The <em>subgroup</em> is
a subset of this group. The user must create a group and
subgroup by running the GRASS program
-<EM><A HREF="i.group.html">i.group</A></EM>
+<em><a href="i.group.html">i.group</a></em>
-before running <EM>i.cluster</EM>. The subgroup should
+before running <em>i.cluster</em>. The subgroup should
contain only the imagery band files that the user wishes to
classify. Note that this subgroup must contain more than
one band file. The purpose of the group and subgroup is to
collect map layers for classification or analysis. The
-<EM>sigfile</EM> is the file to contain result signatures
+<em>sigfile</em> is the file to contain result signatures
which can be used as input for
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>.
+<em><a href="i.maxlik.html">i.maxlik</a></em>.
The classes value is the initial number of clusters to be
discriminated; any parameter values left unspecified are
@@ -80,99 +79,99 @@
<H3>Flags:</H3>
-<DL>
+<dl>
-<DT><B>-q</B>
+<dt><b>-q</b>
-<DD>Run quietly. Suppresses output of program
+<dd>Run quietly. Suppresses output of program
percent-complete messages and the time elapsed from the
beginning of the program. If this flag is not used, these
messages are printed out.
-</DL>
+</dl>
<H3>Parameters:</H3>
-<DL>
+<dl>
-<DT><B>group=</B><EM>name</EM>
+<dt><b>group=</b><em>name</em>
-<DD>The name of the group file which contains the imagery
+<dd>The name of the group file which contains the imagery
files that the user wishes to classify.
-<DT><B>subgroup=</B><EM>name</EM>
+<dt><b>subgroup=</b><em>name</em>
-<DD>The name of the subset of the group specified in group
+<dd>The name of the subset of the group specified in group
option, which must contain only imagery band files and more
than one band file. The user must create a group and a
subgroup by running the GRASS program
-<EM><A HREF="i.group.html">i.group</A></EM>
+<em><a href="i.group.html">i.group</a></em>
before
-running <EM>i.cluster</EM>.
+running <em>i.cluster</em>.
-<DT><B>sigfile=</B><EM>name</EM>
+<dt><b>sigfile=</b><em>name</em>
-<DD>The name assigned to output signature file which
+<dd>The name assigned to output signature file which
contains signatures of classes and can be used as the input
file for the GRASS program
-<EM><A HREF="i.maxlik.html">i.maxlik</A></EM>
+<em><a href="i.maxlik.html">i.maxlik</a></em>
for an unsupervised classification.
-<DT><B>classes=</B><EM>value</EM>
+<dt><b>classes=</b><em>value</em>
-<DD>The number of clusters that will initially be
+<dd>The number of clusters that will initially be
identified in the clustering process before the iterations
begin.
-<DT><B>seed=</B><EM>name</EM>
+<dt><b>seed=</b><em>name</em>
-<DD>The name of a seed signature file is optional. The seed
+<dd>The name of a seed signature file is optional. The seed
signatures are signatures that contain cluster means and
covariance matrices which were calculated prior to the
-current run of <EM>i.cluster</EM>. They may be acquired
-from a previously run of <EM>i.cluster</EM> or from a
+current run of <em>i.cluster</em>. They may be acquired
+from a previously run of <em>i.cluster</em> or from a
supervised classification signature training site section
(e.g., using the signature file output by
-<EM><A HREF="i.class.html">i.class</A></EM>).
+<em><a href="i.class.html">i.class</a></em>).
The purpose of seed signatures is to optimize the cluster
decision boundaries (means) for the number of clusters
specified.
-<DT><B>sample=</B><EM>row_interval,col_interval</EM>
+<dt><b>sample=</b><em>row_interval,col_interval</em>
-<DD>These numbers are optional with default values based on
+<dd>These numbers are optional with default values based on
the size of the data set such that the total pixels to be
processed is approximately 10,000 (consider round up).
-<DT><B>iterations=</B><EM>value</EM>
+<dt><b>iterations=</b><em>value</em>
-<DD>This parameter determines the maximum number of
+<dd>This parameter determines the maximum number of
iterations which is greater than the number of iterations
predicted to achieve the optimum percent convergence. The
default value is 30. If the number of iterations reaches
the maximum designated by the user; the user may want to
-rerun <EM>i.cluster</EM> with a higher number of iterations
-(see <A HREF="#reportfile"><EM>reportfile</EM></A>).
+rerun <em>i.cluster</em> with a higher number of iterations
+(see <a href="#reportfile"><em>reportfile</em></a>).
-<BR>
+<br>
Default: 30
<A NAME="convergence"></a>
-<DT><B>convergence=</B><EM>value</EM>
+<dt><b>convergence=</b><em>value</em>
-<DD>A high percent convergence is the point at which
+<dd>A high percent convergence is the point at which
cluster means become stable during the iteration process.
The default value is 98.0 percent. When clusters are being
created, their means constantly change as pixels are
assigned to them and the means are recalculated to include
the new pixel. After all clusters have been created,
-<EM>i.cluster</EM> begins iterations that change cluster
+<em>i.cluster</em> begins iterations that change cluster
means by maximizing the distances between them. As these
means shift, a higher and higher convergence is
approached. Because means will never become totally
@@ -183,15 +182,15 @@
is reached, it is probable that the desired percent
convergence was not reached. The number of iterations is
reported in the cluster statistics in the report file
-(see <A HREF="#reportfile"><EM>reportfile</EM></A>).
+(see <a href="#reportfile"><em>reportfile</em></a>).
-<BR>
+<br>
Default: 98.0
-<DT><B>separation=</B><EM>value</EM>
+<dt><b>separation=</b><em>value</em>
-<DD>This is the minimum separation below which clusters
+<dd>This is the minimum separation below which clusters
will be merged in the iteration process. The default value
is 0.0. This is an image-specific number (a "magic" number)
that depends on the image data being classified and the
@@ -201,65 +200,62 @@
maximum number of iterations should also be increased to
achieve this separation with a high percentage of
convergence
-(see <A HREF="#convergence"><EM>convergence</EM></A>).
+(see <a href="#convergence"><em>convergence</em></a>).
-<BR>
-
+<br>
Default: 0.0
-<DT><B>min_size=</B><EM>value</EM>
+<dt><b>min_size=</b><em>value</em>
-<DD>This is the minimum number of pixels that will be used
+<dd>This is the minimum number of pixels that will be used
to define a cluster, and is therefore the minimum number of
pixels for which means and covariance matrices will be
calculated.
-<BR>
-
+<br>
Default: 17
-<A NAME="reportfile"></A>
-<DT><B>reportfile=</B><EM>name</EM>
+<A NAME="reportfile"></a>
+<dt><b>reportfile=</b><em>name</em>
-<DD>The reportfile is an optional parameter which contains
+<dd>The reportfile is an optional parameter which contains
the result, i.e., the statistics for each cluster. Also
included are the resulting percent convergence for the
clusters, the number of iterations that was required to
achieve the convergence, and the separability matrix.
-</DL>
+</dl>
-<H2>NOTES</H2>
+<h2>NOTES</h2>
-Running in command line mode, <EM>i.cluster</EM> will
+Running in command line mode, <em>i.cluster</em> will
overwrite the output signature file and reportfile (if
required by the user) without prompting if the files
existed.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
+<p>
-<EM>
-<A HREF="i.class.html">i.class</A><br>
-<A HREF="i.group.html">i.group</A><br>
-<A HREF="i.gensig.html">i.gensig</A><br>
-<A HREF="i.maxlik.html">i.maxlik</A>
-</EM>
+<em>
+<a href="i.class.html">i.class</a>,
+<a href="i.group.html">i.group</a>,
+<a href="i.gensig.html">i.gensig</a>,
+<a href="i.maxlik.html">i.maxlik</a>
+</em>
-<H2>AUTHORS</H2>
+<h2>AUTHORS</h2>
Michael Shapiro,
U.S.Army Construction Engineering
Research Laboratory
-<BR>
-
+<br>
Tao Wen,
University of Illinois at
Urbana-Champaign,
Modified: grass/branches/develbranch_6/imagery/i.group/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.group/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.group/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,47 +1,46 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.group</EM> allows the user to collect raster map layers in an imagery
+<em>i.group</em> allows the user to collect raster map layers in an imagery
group by assigning them to user-named subgroups or other groups. This
enables the user to run analyses on any combination of the raster map layers
in a group. The user creates the groups and subgroups and selects the
raster map layers that are to reside in them. Imagery analysis programs like
-<EM><A HREF="i.points.html">i.points</A></EM>,
-<EM><a href="i.rectify.html">i.rectify</A></EM>,
-<EM><a href="i.ortho.photo.html">i.ortho.photo</A></EM> and
+<em><a href="i.points.html">i.points</a></em>,
+<em><a href="i.rectify.html">i.rectify</a></em>,
+<em><a href="i.ortho.photo.html">i.ortho.photo</a></em> and
others ask the user for the name of an imagery group whose data are to be
analyzed. Imagery analysis programs like
-<EM><a href="i.cluster.html">i.cluster</A></EM> and
-<EM><a href="i.maxlik.html">i.maxlik</A></EM> ask the user for the imagery group
+<em><a href="i.cluster.html">i.cluster</a></em> and
+<em><a href="i.maxlik.html">i.maxlik</a></em> ask the user for the imagery group
and imagery subgroup whose data are to be analyzed.
-<H2>NOTES</H2>
+<h2>NOTES</h2>
-The <EM>i.group</EM> options are only available for
+The <em>i.group</em> options are only available for
imagery map layers in the current LOCATION_NAME.
-<P>
+<p>
Subgroup names may not contain more than 12 characters.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="i.cluster.html">i.cluster</A><br>
-<A HREF="i.maxlik.html">i.maxlik</A><br>
-<A HREF="i.points.html">i.points</A><br>
-<A HREF="i.rectify.html">i.rectify</A><br>
-<a HREF="i.ortho.photo.html">i.ortho.photo</A>
-</EM>
+<p>
+<em>
+<a href="i.cluster.html">i.cluster</a>,
+<a href="i.maxlik.html">i.maxlik</a>,
+<a href="i.points.html">i.points</a>,
+<a href="i.rectify.html">i.rectify</a>,
+<a href="i.ortho.photo.html">i.ortho.photo</a>
+</em>
+<h2>AUTHORS</h2>
-<H2>AUTHOR</H2>
-
Michael Shapiro,
U.S.Army Construction Engineering
Research Laboratory
Modified: grass/branches/develbranch_6/imagery/i.maxlik/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.maxlik/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.maxlik/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,48 +1,45 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-
-<EM>i.maxlik</EM> is a maximum-likelihood discriminant
+<em>i.maxlik</em> is a maximum-likelihood discriminant
analysis classifier. It can be used to perform the second
step in either an unsupervised or a supervised image
classification.
-<P>
+<p>
Either image classification methods are performed in two
steps. The first step in an unsupervised image
classification is performed by
-<EM><A HREF="i.cluster.html">i.cluster</A></EM>; the
+<em><a href="i.cluster.html">i.cluster</a></em>; the
first step in a supervised classification is executed by
-the GRASS program <EM>
-<A HREF="i.class.html">i.class</A></EM>. In both cases,
+the GRASS program <em>
+<a href="i.class.html">i.class</a></em>. In both cases,
the second step in the image classification procedure is
-performed by <EM>i.maxlik</EM>.
+performed by <em>i.maxlik</em>.
-
-<P>
+<p>
In an unsupervised classification, the maximum-likelihood
classifier uses the cluster means and covariance matrices
-from the <EM><A HREF="i.cluster.html">i.cluster</A></EM>
+from the <em><a href="i.cluster.html">i.cluster</a></em>
signature file to determine to which category (spectral
class) each cell in the image has the highest probability
of belonging. In a supervised image classification, the
maximum-likelihood classifier uses the region means and
covariance matrices from the spectral signature file
-generated by <EM>
-<A HREF="i.class.html">i.class</A></EM>, based on regions
+generated by <em>
+<a href="i.class.html">i.class</a></em>, based on regions
(groups of image pixels) chosen by the user, to determine
to which category each cell in the image has the highest
probability of belonging.
-
-<P>
+<p>
In either case, the raster map layer output by
-<EM>i.maxlik</EM> is a classified image in which each cell
+<em>i.maxlik</em> is a classified image in which each cell
has been assigned to a spectral class (i.e., a category).
The spectral classes (categories) can be related to
specific land cover types on the ground.
-<P>
+<p>
The program will run non-interactively if the user
specifies the names of raster map layers, i.e., group and
subgroup names, seed signature file name, result
@@ -50,77 +47,77 @@
non-required options in the command line, using the form
-<DL>
-<DD>
-<B>i.maxlik</B>[<B>-q</B>] <B>group=</B><EM>name</EM>
-<B>subgroup=</B><EM>name</EM>
-<B>sigfile=</B><EM>name</EM> <B>class=</B><EM>name</EM>
-[<B>reject=</B><EM>name</EM>]
-</DL>
+<dl>
+<dd>
+<b>i.maxlik</b>[<b>-q</b>] <b>group=</b><em>name</em>
+<b>subgroup=</b><em>name</em>
+<b>sigfile=</b><em>name</em> <b>class=</b><em>name</em>
+[<b>reject=</b><em>name</em>]
+</dl>
where each flag and options have the meanings stated below.
-<P>
+<p>
-Alternatively, the user can simply type <EM>i.maxlik</EM>
+Alternatively, the user can simply type <em>i.maxlik</em>
in the command line without program arguments. In this case
the user will be prompted for the program parameter
settings; the program will run foreground.
-<H2>OPTIONS</H2>
+<h2>OPTIONS</h2>
<H3>Flags:</H3>
-<DL>
+<dl>
-<DT><B>-q</B>
+<dt><b>-q</b>
-<DD>Run quietly, without printing program messages to standard output.
+<dd>Run quietly, without printing program messages to standard output.
-</DL>
+</dl>
<H3>Parameters:</H3>
-<DL>
+<dl>
-<DT><B>group=</B><EM>name</EM>
+<dt><b>group=</b><em>name</em>
-<DD>The <A HREF="i.group.html">imagery</A> group
+<dd>The <a href="i.group.html">imagery</a> group
contains the subgroup to be classified.
-<DT><B>subgroup=</B><EM>name</EM>
+<dt><b>subgroup=</b><em>name</em>
-<DD>The subgroup contains image files, which were used to create
+<dd>The subgroup contains image files, which were used to create
the signature file
-in the program <EM><A HREF="i.cluster.html">i.cluster</A></EM>,
-<EM><A HREF="i.class.html">i.class</A></EM>, or
-<EM><A HREF="i.gensig.html">i.gensig</A></EM> to be classified.
+in the program <em><a href="i.cluster.html">i.cluster</a></em>,
+<em><a href="i.class.html">i.class</a></em>, or
+<em><a href="i.gensig.html">i.gensig</a></em> to be classified.
-<DT><B>sigfile=</B><EM>name</EM>
+<dt><b>sigfile=</b><em>name</em>
-<DD>The name of the signatures to be used for the
+<dd>The name of the signatures to be used for the
classification. The signature file contains the cluster and
covariance matrices that were calculated by the GRASS
-program <EM><A HREF="i.cluster.html">i.cluster</A></EM>
+program <em><a href="i.cluster.html">i.cluster</a></em>
(or the region means and covariance matrices generated by
-<EM><A HREF="i.class.html">i.class</A></EM>, if the
+<em><a href="i.class.html">i.class</a></em>, if the
user runs a supervised classification). These spectral
signatures are what determine the categories (classes) to
which image pixels will be assigned during the
classification process.
-<DT><B>class=</B><EM>name</EM>
+<dt><b>class=</b><em>name</em>
-<DD>The name of a raster map holds the classification
+<dd>The name of a raster map holds the classification
results. This new raster map layer will contain categories
that can be related to land cover categories on the
ground.
-<DT><B>reject=</B><EM>name</EM>
+<dt><b>reject=</b><em>name</em>
-<DD>The optional name of a raster map holds the reject
+<dd>The optional name of a raster map holds the reject
threshold results. This is the result of a chi square test
on each discriminant result at various threshold levels of
confidence to determine at what confidence level each cell
@@ -130,55 +127,53 @@
possible uses for this map layer is as a mask, to identify
cells in the classified image that have the lowest
probability of being assigned to the correct class.
+</dl>
-</DL>
+<h2>NOTES</h2>
-<H2>NOTES</H2>
-
The maximum-likelihood classifier assumes that the spectral
signatures for each class (category) in each band file
are normally distributed (i.e., Gaussian in nature).
Algorithms, such as
-<EM><A HREF="i.cluster.html">i.cluster</A></EM>,
-<EM><A HREF="i.class.html">i.class</A></EM>,
-or <EM><A HREF="i.gensig.html">i.gensig</A></EM>,
+<em><a href="i.cluster.html">i.cluster</a></em>,
+<em><a href="i.class.html">i.class</a></em>,
+or <em><a href="i.gensig.html">i.gensig</a></em>,
however, can create signatures that are not valid
distributed (more likely with
-<EM><A HREF="i.class.html">i.class</A>).</EM>
+<em><a href="i.class.html">i.class</a>).</em>
If this occurs,
-<EM>i.maxlik</EM>
+<em>i.maxlik</em>
will reject them and display a warning message.
-<P>
+<p>
This program runs interactively if the user types
-<EM>i.maxlik</EM> only. If the user types <EM>i.maxlik</EM>
+<em>i.maxlik</em> only. If the user types <em>i.maxlik</em>
along with all required options, it will overwrite the
classified raster map without prompting if this map
existed.
+<h2>SEE ALSO</h2>
-<H2>SEE ALSO</H2>
-
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="i.class.html">i.class</A><br>
-<A HREF="i.cluster.html">i.cluster</A><br>
-<A HREF="i.gensig.html">i.gensig</A><br>
-<A HREF="i.group.html">i.group</A>
-</EM>
+<p>
+<em>
+<a href="i.class.html">i.class</a><br>
+<a href="i.cluster.html">i.cluster</a><br>
+<a href="i.gensig.html">i.gensig</a><br>
+<a href="i.group.html">i.group</a>
+</em>
-<H2>AUTHORS</H2>
+<h2>AUTHORS</h2>
Michael Shapiro,
U.S.Army Construction Engineering
Research Laboratory
-<BR>
+<br>
Tao Wen,
University of Illinois at Urbana-Champaign,
Illinois
Modified: grass/branches/develbranch_6/imagery/i.points/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.points/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.points/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,18 +1,18 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.points</EM> is an
-<A HREF="imagery.html">imagery</A> function that enables
+<em>i.points</em> is an
+<a href="imagery.html">imagery</a> function that enables
the user to mark points on a (raster) image to be rectified
and then input the geographic coordinates of each point for
calculation of a coordinate transformation matrix.
-<EM>i.points</EM> must be followed by use of the GRASS
-program <EM><A HREF="i.rectify.html">i.rectify</A></EM>, which
+<em>i.points</em> must be followed by use of the GRASS
+program <em><a href="i.rectify.html">i.rectify</a></em>, which
rectifies the image using the transformation matrix
-coefficients calculated by <EM>i.points</EM>.
+coefficients calculated by <em>i.points</em>.
-<P>
+<p>
-<EM>Rectification</EM> is the mapping (transformation) of
+<em>Rectification</em> is the mapping (transformation) of
an image from one coordinate system to another. The
geometry of an image extracted into a GRASS LOCATION having
an x,y coordinate system is not planimetric. To create a
@@ -21,64 +21,64 @@
UTM coordinate system or the State Plane coordinate
system), points from a map having the standard coordinates
must be associated with the same points on the image to be
-rectified. <EM>i.points</EM> enables the user to mark
+rectified. <em>i.points</em> enables the user to mark
points on an image and input the standard coordinates for
-that point. <EM>i.points</EM> then calculates a least
+that point. <em>i.points</em> then calculates a least
squares regression using the two coordinate systems (x,y
and standard) for the marked points. A matrix containing
transformation coefficients is the output file for
-<EM>i.points</EM>.
+<em>i.points</em>.
-<P>
+<p>
During the process of marking points and entering map
coordinates, the user can compute the RMS (root mean
-square) error for each point entered. <EM>i.points</EM>
+square) error for each point entered. <em>i.points</em>
does this by calculating the transformation equation (the
-same one that is calculated in the GRASS program <EM>
-<A HREF="i.rectify.html">i.rectify</A></EM>), and then
+same one that is calculated in the GRASS program <em>
+<a href="i.rectify.html">i.rectify</a></em>), and then
plugging these results into an equation for RMS error.
-<P>
-<EM>i.points</EM> offers a zoom option to locate precisely
+<p>
+<em>i.points</em> offers a zoom option to locate precisely
the point to be marked on an image. This program also
offers the user the option of acquiring standard
coordinates for a marked point from a map layer in the
target data base.
-<P>
-<EM><A HREF="i.target.html">i.target</A></EM> must be
-run before running <EM>i.points</EM> to enable the PLOT
+<p>
+<em><a href="i.target.html">i.target</a></em> must be
+run before running <em>i.points</em> to enable the PLOT
RASTER option to be used and to identify a target data base
LOCATION_NAME and MAPSET for the rectified image. To run
-<EM>i.points</EM>, a graphics monitor is required.
+<em>i.points</em>, a graphics monitor is required.
-<P>
+<p>
The procedure for marking points, entering coordinates, and
calculating RMS error is described below.
-<P>
+<p>
The first prompt in the program asks the user for the
-<A HREF="i.group.html">imagery group</A> to be
+<a href="i.group.html">imagery group</a> to be
registered. Note that if
-<EM><A HREF="i.target.html">i.target</A></EM> is not run
-before <EM>i.points</EM>, the <EM>i.points</EM> program
+<em><a href="i.target.html">i.target</a></em> is not run
+before <em>i.points</em>, the <em>i.points</em> program
will display the following error message:
-<PRE>
+<pre>
ERROR: Target information for group [spot] missing
Please run i.target for group [spot]
-</PRE>
+</pre>
After entering the group to be registered the terminal screen
displays the message:
-<PRE>
+<pre>
Use mouse now...
-</PRE>
+</pre>
The graphics monitor displays the following screen:
-<PRE>
+<pre>
______________________________________________________________
| imagery filename (mag) | target filename (mag) |
|_________________________________|___________________________|
@@ -100,13 +100,13 @@
|_________________________________|___________________________|
| QUIT ZOOM PLOT RASTER ANALYZE| |
|_________________________________|___________________________|
-</PRE>
+</pre>
A pop-down menu like that shown below will be superimposed on the
left half of the screen:
-<PRE>
+<pre>
__________________________________
| Double click on raster map layer|
| to be plotted |
@@ -122,26 +122,26 @@
|__________|________|
| spot.3 | |
|__________|________|
-</PRE>
+</pre>
Any single raster map layer in the
-<A HREF="i.group.html">imagery group</A> may be used on
+<a href="i.group.html">imagery group</a> may be used on
which to mark points, and the user can mark points on more
than one raster map layer in the
-<A HREF="i.group.html">imagery group</A> to accumulate the
+<a href="i.group.html">imagery group</a> to accumulate the
suggested minimum number of 12 points. Any raster map
-layer in the <A HREF="i.group.html">imagery group</A>
+layer in the <a href="i.group.html">imagery group</a>
can be rectified (using
-<EM><A HREF="i.rectify.html">i.rectify</A></EM>) based on the
+<em><a href="i.rectify.html">i.rectify</a></em>) based on the
transformation matrix computed from these points.
-<P>
+<p>
The imagery file chosen by
the user is displayed in the upper left quadrant of the
@@ -153,11 +153,11 @@
place the mouse cross hairs on the word ZOOM. The following menu
will then be displayed at the bottom of the screen:
-<PRE>
+<pre>
____________________________________________
| Cancel| Box| Point| Select type of ZOOM|
|_______|_____|_______|_____________________|
-</PRE>
+</pre>
The user has the option of identifying the zoom region
@@ -178,7 +178,7 @@
menu:
-<PRE>
+<pre>
___________________________________________________________
| Point 1 marked on the image at| |
| East: 1023.77 | |
@@ -191,7 +191,7 @@
|__________________________________________________________|
| Enter coordinates as east north: |
|__________________________________________________________|
-</PRE>
+</pre>
The user then enters the easting and northing (separated by
a space) for the point marked on the image. If the user
@@ -210,11 +210,11 @@
graphics monitor:
-<PRE>
+<pre>
________________________________________________
| Cancel| Indicate which side should be plotted|
|_______|_______________________________________|
-</PRE>
+</pre>
Which side of the graphics monitor is to be plotted
is indicated by placing the mouse cross hairs on the
@@ -223,7 +223,7 @@
menu will be superimposed on the half of the screen that was chosen:
-<PRE>
+<pre>
_________________________________________
| Double click on raster (cell) map layer|
| to be plotted |
@@ -247,17 +247,17 @@
|______________|______________|
| roads | |
|______________|______________|
-</PRE>
+</pre>
After the raster map layer is displayed the following message appears
at the bottom of the graphics monitor:
-<PRE>
+<pre>
______________________________________
| input method -->| keyboard| screen|
|_________________|__________|________|
-</PRE>
+</pre>
If the user wishes to use the plotted raster map layer only
as a comparative reference, then the keyboard can be chosen
@@ -267,7 +267,7 @@
left button on the mouse.
-<P>
+<p>
If the user selects the SCREEN option, then points marked
on the image will automatically be associated with the
@@ -277,7 +277,7 @@
terminal:
-<PRE>
+<pre>
___________________________________________________________
| Point 5 marked on the image at| |
| East: 1023.77 | |
@@ -295,7 +295,7 @@
|__________________________________________________________|
| use mouse now... |
|__________________________________________________________|
-</PRE>
+</pre>
The user then uses the mouse to mark a corresponding point
@@ -314,7 +314,7 @@
the graphics monitor:
-<PRE>
+<pre>
______________________________________________________________________
| error image target |
|# row col target east north east north |
@@ -328,15 +328,15 @@
|____________________________________________________________________|
| overall rms error: 4.46 |
|____________________________________________________________________|
-</PRE>
+</pre>
The following menu then appears at the bottom of the graphics monitor:
-<PRE>
+<pre>
____________________________________________________________________
| DONE| PRINT FILE| Double click on point to be included/excluded|
|_____|____________|________________________________________________|
-</PRE>
+</pre>
The RMS error for the image is given under the column
TITLEd "error" and subTITLEd "row" and "col". In the above
@@ -351,9 +351,9 @@
displayed in red on the graphics monitor (represented here
in italics).
-<P>
+<p>
The location of the point marked on the
-<A HREF="i.group.html">imagery group</A> file is given
+<a href="i.group.html">imagery group</a> file is given
under the heading "image" and the subheadings "east" and
"north". The location of the point in the target data base
is given under the heading "target" and the subheadings
@@ -365,58 +365,59 @@
twice. When a point is excluded, it is not afterwards
included in the calculation of the RMS error, or included
in the final transformation matrix. However, it can be
-retrieved within <EM>i.points</EM> at any time by double
+retrieved within <em>i.points</em> at any time by double
clicking with the mouse as described above.
<H3>QUIT</H3>
-To end the <EM>i.points</EM> program place the mouse cross
+To end the <em>i.points</em> program place the mouse cross
hairs on the word QUIT; the marked points (including
coordinates) will be saved.
-<H2>NOTES</H2>
+<h2>NOTES</h2>
A good rule of thumb is to mark at least 12 to 15 points
which are evenly distributed over the entire
-<A HREF="i.group.html">imagery group</A> file in order to
+<a href="i.group.html">imagery group</a> file in order to
obtain an accurate transformation equation for the
rectification process. The RMS error may increase with
more points added, but the transformation equation will be
more accurate.
-<P>
+<p>
An RMS error of less than or equal to approximately one
resolution unit (pixel or cell) for the image being
rectified is generally considered acceptable.
-<P>
-In order to use a digitizer with <EM>i.points</EM>, at
+<p>
+In order to use a digitizer with <em>i.points</em>, at
least one digitizer driver besides "none" (the on-screen
digitizer) must be available in the digitcap file.
-<P>
+<p>
This program is interactive.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="g.mapsets.html">g.mapsets</A><br>
-<A HREF="i.group.html">i.group</A><br>
-<A HREF="i.rectify.html">i.rectify</A><br>
-<A HREF="i.target.html">i.target</A><br>
-<A HREF="i.vpoints.html">i.vpoints</A>
-</EM><br>
-<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em>
+<p>
+<em>
+<a href="g.mapsets.html">g.mapsets</a>,
+<a href="i.group.html">i.group</a>,
+<a href="i.rectify.html">i.rectify</a>,
+<a href="i.target.html">i.target</a>,
+<a href="i.vpoints.html">i.vpoints</a>
+</em><br>
+<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em> and
+<em><a href="wxGUI.GCP_Manager.html">wxGUI: Manage Ground Control Points</a></em>
-<H2>AUTHOR</H2>
+<h2>AUTHOR</h2>
Michael Shapiro,
U.S.Army Construction Engineering Research Laboratory
Modified: grass/branches/develbranch_6/imagery/i.rectify/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.rectify/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.rectify/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,11 +1,11 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.rectify</EM> uses the control
+<em>i.rectify</em> uses the control
points identified in
-<EM><A HREF="i.points.html">i.points</A></EM>
+<em><a href="i.points.html">i.points</a></em>
or
-<EM><A HREF="i.vpoints.html">i.vpoints</A></EM>
+<em><a href="i.vpoints.html">i.vpoints</a></em>
to calculate a transformation matrix based on a first,
second, or third order polynomial and then converts x,y
@@ -14,42 +14,41 @@
transformed coordinate system (i.e., a different coordinate
system than before it was rectified).
-<P>
-
-<EM><A HREF="i.points.html">i.points</A></EM>
+<p>
+<em><a href="i.points.html">i.points</a></em>
or
-<EM><A HREF="i.vpoints.html">i.vpoints</A></EM>
+<em><a href="i.vpoints.html">i.vpoints</a></em>
-must be run before <EM>i.rectify</EM>, and both programs
+must be run before <em>i.rectify</em>, and both programs
are required to rectify an image. An image must be
rectified before it can reside in a standard coordinate
LOCATION, and therefore be analyzed with the other map
layers in the standard coordinate LOCATION. Upon
-completion of <EM>i.rectify</EM>, the rectified image is
+completion of <em>i.rectify</em>, the rectified image is
deposited in the target standard coordinate LOCATION. This
LOCATION is selected using
-<EM><A HREF="i.target.html">i.target</A></EM>.
+<em><a href="i.target.html">i.target</a></em>.
-<H2>Program Prompts</H2>
+<h2>Program Prompts</h2>
The first prompt in the program asks for the name of
the group containing the files to be rectified.
-<PRE>
+<pre>
Enter the group containing files to be rectified
Enter 'list' for a list of existing imagery groups
Enter 'list -f' for a verbose listing
Hit RETURN to cancel request
>
-</PRE>
+</pre>
This is the same imagery group that was selected in
-<EM><A HREF="i.points.html">i.points</A></EM>
+<em><a href="i.points.html">i.points</a></em>
or
-<EM><A HREF="i.vpoints.html">i.vpoints</A></EM>
+<em><a href="i.vpoints.html">i.vpoints</a></em>
and the group that contains the raster maps with the marked
points and their associated map coordinates. You are then
@@ -57,7 +56,7 @@
rectified:
-<PRE>
+<pre>
Please select the file(s) to rectify by naming an output file
spot1.1 in mapsetname .............
@@ -71,32 +70,32 @@
AFTER COMPLETING ALL ANSWERS, HIT <ESC> TO CONTINUE
(OR<Ctrl-C> TO CANCEL)
-</PRE>
+</pre>
More than one raster map may be rectified at a time. Each
cell file should be given a unique output file name.
-<P>
+<p>
Next, you are asked to select one of two windows regions:
-<PRE>
+<pre>
Please select one of the following options
1. Use the current window in the target location
2. Determine the smallest window which covers the image
>
-</PRE>
+</pre>
-The <EM>i.rectify</EM> program will only rectify that
+The <em>i.rectify</em> program will only rectify that
portion of the image or raster map that occurs within the
chosen window region, and only that portion of the cell
file will be relocated in the target database. It is
important therefore, to check the current mapset window in
the target LOCATION if choice number one is selected.
-<P>
+<p>
If you are rectifying a file with plans to patch it to
another file using the GRASS program <em>r.patch</em>,
@@ -114,13 +113,13 @@
window.
-<P>
+<p>
Select the order of transformation desired with the <b>order</b> option:
-<PRE>
+<pre>
Select order of transformation --> 1st Order 2nd Order 3rd Order
-</PRE>
+</pre>
The program will immediately recalculate the RMSE and the
number of points required.
@@ -204,7 +203,7 @@
completed. The original unrectified files are not modified
or removed.
-<P>
+<p>
<!--
Note: In interactive mode it is possible to define a new file name
for the target images. This is (currently) not provided in command line
@@ -213,52 +212,53 @@
<h2>NOTES</h2>
-<EM>i.rectify</EM> uses nearest neighbor resampling during
+<em>i.rectify</em> uses nearest neighbor resampling during
the transformation choosing the actual pixel that has its centre nearest to
the point location in the image. Advantage of this method is that the pixel
-brightness of the image is kept as <EM>i.rectify</EM> rearranges the
+brightness of the image is kept as <em>i.rectify</em> rearranges the
geometry of the image pixels.
-<P>
+<p>
If <em>i.rectify</em> starts normally but after some time the following text is seen:
<br><tt>
GIS ERROR: error while writing to temp file
</tt><br>
-the user may try the flag <EM>-c</EM> (or the module needs more free space
+the user may try the flag <em>-c</em> (or the module needs more free space
on the hard drive).
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="g.transform.html">g.transform</A>,
-<A HREF="r.proj.html">r.proj</A>,
-<A HREF="v.proj.html">v.proj</A>,
-<A HREF="i.group.html">i.group</A>,
-<A HREF="i.points.html">i.points</A>,
-<A HREF="i.vpoints.html">i.vpoints</A>,
-<A HREF="i.target.html">i.target</A>
-</EM><br>
-<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em>
+<p>
+<em>
+<a href="g.transform.html">g.transform</a>,
+<a href="r.proj.html">r.proj</a>,
+<a href="v.proj.html">v.proj</a>,
+<a href="i.group.html">i.group</a>,
+<a href="i.points.html">i.points</a>,
+<a href="i.vpoints.html">i.vpoints</a>,
+<a href="i.target.html">i.target</a>
+</em><br>
+<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em> and
+<em><a href="wxGUI.GCP_Manager.html">wxGUI: Manage Ground Control Points</a></em>
-<H2>AUTHORS</H2>
+<h2>AUTHORS</h2>
William R. Enslin,
Michigan State University,
Center for Remote Sensing
<p>
-Modified for GRASS 5.0 by:<BR>
-Luca Palmeri (palmeri at ux1.unipd.it)<BR>
-Bill Hughes<BR>
+Modified for GRASS 5.0 by:<br>
+Luca Palmeri (palmeri at ux1.unipd.it)<br>
+Bill Hughes<br>
Pierre de Mouveaux (pmx at audiovu.com)
-<BR>
+<br>
CMD mode by Bob Covill
<p>
Modified: grass/branches/develbranch_6/imagery/i.target/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.target/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.target/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,48 +1,49 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>i.target</EM> targets an <A HREF="i.group.html">imagery
+<em>i.target</em> targets an <a href="i.group.html">imagery
group</a> to a GRASS data base location name and mapset.
A location name and mapset are required for the
-<EM><A HREF="i.rectify.html">i.rectify</A></EM> imagery module, into which
+<em><a href="i.rectify.html">i.rectify</a></em> imagery module, into which
to write the rectified map just prior to completion of the program;
-<EM>i.target</EM> enables the user to specify this location.
+<em>i.target</em> enables the user to specify this location.
-<EM>i.target</EM> must be run before
-<EM><A HREF="i.points.html">i.points</A></EM> and
-<EM><A HREF="i.rectify.html">i.rectify</A></EM>.
+<em>i.target</em> must be run before
+<em><a href="i.points.html">i.points</a></em> and
+<em><a href="i.rectify.html">i.rectify</a></em>.
-<H2>NOTES</H2>
+<h2>NOTES</h2>
-<P>
+<p>
The module's first option asks for the name of the
-<A HREF="i.group.html">imagery group</A> that needs a target.
+<a href="i.group.html">imagery group</a> that needs a target.
The imagery group must be present in the user's current mapset.
-An <A HREF="i.group.html">imagery group</A> may be targeted to any GRASS
+An <a href="i.group.html">imagery group</a> may be targeted to any GRASS
location.
-<P>
+<p>
If a group name is given without setting options, the currently targeted
group will be displayed.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="i.group.html">i.group</A><BR>
-<A HREF="i.points.html">i.points</A><BR>
-<A HREF="i.vpoints.html">i.vpoints</A><BR>
-<A HREF="i.rectify.html">i.rectify</A>
-</EM><br>
-<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em>
+<p>
+<em>
+<a href="i.group.html">i.group</a><br>
+<a href="i.points.html">i.points</a><br>
+<a href="i.vpoints.html">i.vpoints</a><br>
+<a href="i.rectify.html">i.rectify</a>
+</em><br>
+<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em> and
+<em><a href="wxGUI.GCP_Manager.html">wxGUI: Manage Ground Control Points</a></em>
-<H2>AUTHOR</H2>
+<h2>AUTHOR</h2>
Michael Shapiro,
U.S. Army Construction Engineering Research Laboratory<p>
Modified: grass/branches/develbranch_6/imagery/i.vpoints/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.vpoints/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/i.vpoints/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,41 +1,41 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
This program enables the user to identify coordinate pairs of points from a
vector map or keyboard entry and corresponding points in an image to be
rectified. The map coordinate values of each point are used to calculate a
transformation matrix. The operator may then use the
-<EM><a href="i.rectify.html">i.rectify</A></EM> program to rectify the image using
+<em><a href="i.rectify.html">i.rectify</a></em> program to rectify the image using
the transformation matrix coefficients calculated from the control point
-file created in <EM>i.vpoints</EM>. The
-<EM> <a href="i.rectify.html">i.rectify</A></EM> program performs a first, second or
+file created in <em>i.vpoints</em>. The
+<em> <a href="i.rectify.html">i.rectify</a></em> program performs a first, second or
third order transformation of the image.
-<P>
+<p>
The first step is to display the unrectified image and
corresponding vector map data. The operator would then
mark corresponding control point locations on the image and
map. To identify the precise location of a point to be
-marked, <EM>i.vpoints</EM> has a zoom option. In addition to
+marked, <em>i.vpoints</em> has a zoom option. In addition to
marking control points on an image to be rectified and
inputting their world coordinate values using the
-keyboard, <EM>i.vpoints</EM> has the option to simultaneously
+keyboard, <em>i.vpoints</em> has the option to simultaneously
display vector map data available in the targeted database,
and identify on the vector map the location of the
corresponding marked points. When this option is chosen,
the coordinate values are input automatically. Any GRASS
map layer or vector map in the targeted database LOCATION
-can be displayed using <EM>i.vpoints</EM>. The <EM>i.vpoints</EM> program
+can be displayed using <em>i.vpoints</em>. The <em>i.vpoints</em> program
also has the capability of overlaying (i.e., warping) the
vector data onto the raster image to visually check the
accuracy of the registration based on the current set of
active control points. During the process of marking
points and entering map coordinates, the user can compute
the RMS (root mean square) error for each point entered.
-The <EM>i.vpoints</EM> program does this by calculating a
+The <em>i.vpoints</em> program does this by calculating a
transformation equation (the same one that is calculated in
the GRASS program
-<A HREF="i.rectify.html">i.rectify</A>
+<a href="i.rectify.html">i.rectify</a>
2). Coefficients are
computed for the equation. The coefficients are then used in the
equation along with the x,y coordinates of the marked points. The
@@ -43,58 +43,58 @@
interpretation of RMS error is described in the ANALYZE subsection.
-<P>
+<p>
The procedures for marking control points (registration
points), displaying vector map layers, overlaying vector maps onto
the raster image, and calculating RMS error are described in the
following sections .
-<P>
-To enter the program (the <EM>i.vpoints</EM> program requires the use of a
-graphics monitor) type <EM>i.vpoints</EM>:
+<p>
+To enter the program (the <em>i.vpoints</em> program requires the use of a
+graphics monitor) type <em>i.vpoints</em>:
<DL>
- <DD><B>i.vpoints</B>
+ <DD><b>i.vpoints</b>
</DL>
The first prompt in the program asks for the imagery group to
be registered . . .
-<PRE>
+<pre>
Enter imagery group to be registered
Enter 'list' for a list of existing imagery groups
Enter 'list -f' for a verbose listing
Hit RETURN to cancel request
>
-</PRE>
+</pre>
For example,
<DL>
-<DD>><B>list</B>
+<DD>><b>list</b>
</DL>
might produce the following response:
-<PRE>
+<pre>
<list>
Available groups
- - - - - - - - - - - - - - - - - - - - - - - - - -
test
- - - - - - - - - - - - - - - - - - - - - - - - - -
hit RETURN to continue -->
-</PRE>
+</pre>
whereas,
<DL>
-<DD>><B>list -f</B>
+<DD>><b>list -f</b>
</DL>
might produce the following response
-<PRE>
+<pre>
Available groups
- - - - - - - - - - - - - - - - - - - - - - - - - -
test
@@ -102,51 +102,51 @@
res2 in tifftest
- - - - - - - - - - - - - - - - - - - - - - - - - -
hit RETURN to continue -->
-</PRE>
+</pre>
The imagery group entered above should contain the files
that you wish to rectify. After entering the group to be
registered, the terminal screen displays the message:
-<PRE>
+<pre>
>test
<test>
Use mouse now . . .
-</PRE>
+</pre>
And the color graphics monitor displays the following
screen:
-<P>
+<p>
Any single file in the imagery group may be used to mark
points, and points can be marked on more than one file in the
imagery group to accumulate the suggested minimum number of points
(3 for a 1st order transformation, 6 for a 2nd order, and 10 for a
3rd order). Any file in the imagery group can be subsequently
-rectified (using <EM><A HREF="i.rectify.html">i.rectify</A></EM>)
+rectified (using <em><a href="i.rectify.html">i.rectify</a></em>)
based on the transformation matrix computed from these points.
-<P>
+<p>
The chosen file is displayed in the upper left quadrant of the
monitor at a default magnification based on the extent of the
current active window.
-<P>
+<p>
-<B>RASTER IMAGE</B>
+<b>RASTER IMAGE</b>
-<P>
+<p>
The raster image option on the menu at the bottom of the
window allows the user to display any single file in the imagery
group in the upper right quadrant of the window screen. The option
provides the same file selection pick list as is presented when you
-first enter the <EM>i.vpoints</EM> program. When you select this option,
+first enter the <em>i.vpoints</em> program. When you select this option,
the program will erase the data contained in all of the four
quadrant windows and will reinitialize all program values.
-<P>
+<p>
-<B>VECTOR MAPS</B>
-<P>
+<b>VECTOR MAPS</b>
+<p>
The vector maps option on the menu at the bottom of the screen
allows the user to display vector map data in the upper right
quadrant of the screen. After selecting the vector map layer to
@@ -154,59 +154,59 @@
screen. This pick list is used to select the line color (blue,
gray, green, red, white, or yellow) for the selected vector data
layer.
-<P>
-<B>Refresh</B>
-<P>
+<p>
+<b>Refresh</b>
+<p>
The refresh option on the main menu allows the user to
"refresh" or re-draw the displayed vector data. This function will
erase all outlines showing the limits of previously zoomed areas.
A "yes/no" roompt will appear:
-<PRE>
+<pre>
Refresh Map ? NO YES
-</PRE>
-<P>
-<B>Zoom</B>
-<P>
+</pre>
+<p>
+<b>Zoom</b>
+<p>
To enlarge a raster or vector image, place the mouse cross
hairs on the word zoom on the main menu and press the left button.
The following menu will be displayed at the bottom. of the screen:
-<PRE>
+<pre>
CANCEL BOX POINT Select type of zoom
-</PRE>
+</pre>
You have the option to identify the map extent of the zoom window
using either the mouse to define a box, or the mouse to mark a
center point from which to enlarge the image. The box option first
prompts you to identify a starting corner for the zoom region and
then allows you to define the area to be zoomed using a rubber band
box. The prompts appear as follows...
-<PRE>
+<pre>
CANCEL Mark the first corner of region
CANCEL Define the region
-</PRE>
+</pre>
After marking the first corner of the region to be enlarged, hold
down the left button and move the mouse to change the size and
shape of the rubber band box. After defining the area to be
enlarged, press the right button to accept it.
-<P>
+<p>
The point method for enlarging an image will display a mouse menu
to guide you in selecting the appropriate enlargement. To enlarge
or reduce the magnification factor, place the cursor on the "+" or
"-" box and press the left button on the mouse.
-<P>
-<P>
+<p>
+<p>
You may zoom either the raster or the vector display.
-<P>
+<p>
Upon accepting the new region limits, the raster or vector data are
redisplayed in either the lower left (raster) or lower right
(vector) windows.
-<P>
+<p>
The extent of the zoomed area is outlined on the unzoomed image in
the main window area.
-<P>
+<p>
While the main menu is displayed, you can mark
corrosponding control points on the raster and vector
images or enter map coordinates from the keyboard. If you
@@ -218,22 +218,22 @@
determined the standard coordinates (for example, UTM's) of
each circled point, you are ready to mark the points on the
displayed image.
-<P>
+<p>
To mark the points on the image, that correspond to the points
on the standard coordinate map, place the mouse cross hairs on the
point on the image to be marked (you will probably have to ZOOM to
find the exact spot) and press the left hand button on the mouse.
A diamond shaped symbol will be marked on the image. The text
monitor will display the following screen:
-<PRE>
+<pre>
Point 1 marked on the image at
East: 1023.77
North: -164.41
Enter coordinates as east north:
-</PRE>
-<B>Analyze</B>
-<P>
+</pre>
+<b>Analyze</b>
+<p>
After a number of points have been marked (a minimum of 4 for
a 1st order transformation, 7 for a 2nd order, and 11 for a 3rd
@@ -241,7 +241,7 @@
checked. This is done by placing the cross hairs on the word
ANALYZE on the main menu at the bottom of the monitor. The
following error report is superimposed on the monitor:
-<PRE>
+<pre>
error image target
# col row target east north east north
@@ -252,7 +252,7 @@
.
.
Overall rms error 76.85
-</PRE>
+</pre>
The RMS error for the image being rectified is recorded under
the column "error" and subTITLEd "row' and "col". In the above
@@ -278,65 +278,66 @@
twice. When a point is excluded, it is not included in the
calculation of the RMS error, or included in the final
transformation matrix. However, it can be retrieved within
-<EM>i.vpoints</EM> at any time by double clicking with the mouse as
+<em>i.vpoints</em> at any time by double clicking with the mouse as
described above.
-<P>
+<p>
The following menu appears at the bottom of the monitor:
-<PRE>
+<pre>
DONE PRINT FILE OVERLAY DELETE ON Transformation -
-> 1st ORDER Double click on point to be DELETED
-</PRE>
+</pre>
Selecting DELETE ON will toggle the option to DELETE OFF, the
toggle option is used to allow the user to physically remove a
control point from the POINTS file instead of just flagging it as
an non-active reference point.
-<P>
-<B>Overlay</B>
-<P>
+<p>
+<b>Overlay</b>
+<p>
Overlay allows the user to overlay the vector map(s) onto the
raster image. Overlay can be used to warp (register) and display
the selected vector map data on top of the raster image contained
in the upper left window of the color screen. An inverse
coordinate transformation is performed using the currently active
order of transformation (i.e., first, second, or third).
-<PRE>
+<pre>
Overlay vectors on raster image NO YES
-</PRE>
+</pre>
By selecting the 1st ORDER option, the user may select the order of
transformation desired:
-<PRE>
+<pre>
Select order of transformation --> 1st Order 2nd Order 3rd Order
-</PRE>
+</pre>
The program will immediately recalculate the RMSE and the number of
points required.
-<P>
-<B>Quit</B>
-<P>
- To exit the <EM>i.vpoints</EM> program, place the mouse cross hairs on
+<p>
+<b>Quit</b>
+<p>
+ To exit the <em>i.vpoints</em> program, place the mouse cross hairs on
the word QUIT at the bottom of the monitor and all of the marked
points (including coordinates) will be saved.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
The GRASS 4 <em>
-<A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
-Processing manual</A></EM>
+<a href="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
+Processing manual</a></em>
-<P>
-<EM>
-<A HREF="g.mapsets.html">g.mapsets</A><BR>
-<A HREF="i.group.html">i.group</A><BR>
-<A HREF="i.points.html">i.points</A><BR>
-<A HREF="i.rectify.html">i.rectify</A><BR>
-<A HREF="i.target.html">i.target</A>
-</EM><br>
-<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em>
+<p>
+<em>
+<a href="g.mapsets.html">g.mapsets</a>,
+<a href="i.group.html">i.group</a>,
+<a href="i.points.html">i.points</a>,
+<a href="i.rectify.html">i.rectify</a>,
+<a href="i.target.html">i.target</a>
+</em><br>
+<em><a href="gm_georect.html">gis.m: GEORECTIFY TOOL</a></em> and
+<em><a href="wxGUI.GCP_Manager.html">wxGUI: Manage Ground Control Points</a></em>
-<H2>AUTHOR</H2>
+<h2>AUTHOR</h2>
William R. Enslin, Michigan State University Center for Remote Sensing<br>
-Radim Blazek (update to GRASS 5.7)<BR>
+Radim Blazek (update to GRASS 5.7)<br>
Hamish Bowman (finish GRASS 6 porting)
<p>
<i>Last changed: $Date$</i></p>
Modified: grass/branches/develbranch_6/imagery/imageryintro.html
===================================================================
--- grass/branches/develbranch_6/imagery/imageryintro.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/imagery/imageryintro.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -160,7 +160,7 @@
<ul>
<li>The GRASS 4
- <em><A HREF="http://grass.itc.it/gdp/imagery/grass4_image_processing.pdf">Image
+ <em><A HREF="http://grass.osgeo.org/gdp/imagery/grass4_image_processing.pdf">Image
Processing manual</A></EM>
<li><a href=rasterintro.html>Introduction to GRASS 2D raster map processing</a></li>
<li><a href=raster3dintro.html>Introduction to GRASS 3D raster map (voxel) processing</a></li>
@@ -173,7 +173,7 @@
<a href="index.html">Main index</a> - <a href="imagery.html">imagery index</a> -
<a href="full_index.html">full index</a>
</p>
-<P>© 2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
+<P>© 2008-2011 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
</body>
</html>
Modified: grass/branches/develbranch_6/raster/rasterintro.html
===================================================================
--- grass/branches/develbranch_6/raster/rasterintro.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/raster/rasterintro.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -275,6 +275,6 @@
<a href="index.html">Main index</a> - <a href="raster.html">raster index</a>
- <a href="full_index.html">full index</a>
</P>
-<P>© 2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
+<P>© 2008-2011 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
</body>
</html>
Modified: grass/branches/develbranch_6/raster3d/raster3dintro.html
===================================================================
--- grass/branches/develbranch_6/raster3d/raster3dintro.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/raster3d/raster3dintro.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -81,6 +81,6 @@
<HR>
<P><a href="index.html">Main index</a> - <a href="raster3D.html">raster3D index</a> - <a href="full_index.html">full index</a>
-<P>© 2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
+<P>© 2008-2011 <a href="http://grass.osgeo.org">GRASS Development Team</a></P>
</body>
</html>
Modified: grass/branches/develbranch_6/scripts/r.in.srtm/description.html
===================================================================
--- grass/branches/develbranch_6/scripts/r.in.srtm/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/scripts/r.in.srtm/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,12 +1,12 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>r.in.srtm</EM> imports SRTM hgt files into GRASS.
+<em>r.in.srtm</em> imports SRTM hgt files into GRASS.
SRTM data sets can be downloaded from NASA at this FTP site (Version 1 and the
improved Version 2):<br>
<a href="ftp://e0srp01u.ecs.nasa.gov/srtm/">ftp://e0srp01u.ecs.nasa.gov/srtm/</a>
-<H2>NOTES</H2>
+<h2>NOTES</h2>
SRTM tiles are of 1 degree by 1 degree size. The SRTM filename contains the
coordinates which refer to the <b>center</b> of the lower left pixel (e.g., N51E010:
@@ -19,23 +19,23 @@
To import TOPEX/SRTM30 PLUS data, use <em>r.in.bin</em>.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
-<EM>
-<a href="r.in.bin.html">r.in.bin</A>
-</EM>
+<em>
+<a href="r.in.bin.html">r.in.bin</a>
+</em>
<p>
The <a href="http://www2.jpl.nasa.gov/srtm/">Shuttle Radar Topography Mission</a>
homepage at NASA's JPL.
<br>
The <a href="http://pub7.bravenet.com/forum/537683448/">SRTM Web Forum</a>
-<H2>REFERENCES</H2>
+<h2>REFERENCES</h2>
-M. Neteler, 2005. <a href="http://grass.itc.it/newsletter/GRASSNews_vol3.pdf">SRTM and VMAP0 data in OGR and GRASS.</a> <i><a href="http://grass.itc.it/newsletter/">GRASS Newsletter</a></i>, Vol.3, pp. 2-6, June 2005. ISSN 1614-8746.
+M. Neteler, 2005. <a href="http://grass.osgeo.org/newsletter/GRASSNews_vol3.pdf">SRTM and VMAP0 data in OGR and GRASS.</a> <i><a href="http://grass.osgeo.org/newsletter/">GRASS Newsletter</a></i>, Vol.3, pp. 2-6, June 2005. ISSN 1614-8746.
-<H2>AUTHORS</H2>
+<h2>AUTHORS</h2>
Markus Neteler<br>
Improved by W. Kyngesburye and H. Bowman
Modified: grass/branches/develbranch_6/vector/v.qcount/description.html
===================================================================
--- grass/branches/develbranch_6/vector/v.qcount/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/vector/v.qcount/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,104 +1,86 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>v.qcount</EM> chooses <B>n</B> circular quadrats of
+<em>v.qcount</em> chooses <B>n</B> circular quadrats of
radius <B>r</B> such that they are completely within the
bounds of the current region and no two quadrats overlap.
The number of points falling within each quadrat are counted
and indices are calculated to estimate the departure of
point locations from complete spatial randomness.
-<H2>NOTES</H2>
+<h2>NOTES</h2>
This program may not work properly with lat-long data. It uses
-<EM>hypot()</EM>
-in two files: <EM>count.c</EM> and <EM>findquads.c</EM>.
+<em>hypot()</em>
+in two files: <em>count.c</em> and <em>findquads.c</em>.
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
-<EM><A HREF="v.random.html">v.random</A></EM>
+<em><a href="v.random.html">v.random</a></em>
-<P>
-
-<EM>Complete Spatial Randomness and Quadrat Methods</EM> -
-GRASS Tutorial on <EM>v.qcount</EM>
+<p>
+<em>Complete Spatial Randomness and Quadrat Methods</em> -
+GRASS Tutorial on <em>v.qcount</em>
(only available as older file s.qcount-tutorial.ps),
-<P>
-
+<p>
General references include:
-<BR>
-
+<br>
Noel A. C. Cressie.
-<EM>Statistics for Spatial Data</EM>.
+<em>Statistics for Spatial Data</em>.
Wiley Series in Probability and Mathematical Statistics. John Wiley
& Sons, New York, NY, 1st edition, 1991.
-<BR>
-
+<br>
Brian D. Ripley.
-<EM>Spatial Statistics</EM>.
-John Wiley \& Sons, New York, NY, 1981.
+<em>Spatial Statistics</em>. John Wiley \& Sons, New York, NY, 1981.
-
-<P>
-
+<p>
References to the indices include:
-<BR>
-
+<br>
F. N. David and P. G. Moore.
Notes on contagious distributions in plant populations.
-<EM>Annals of Botany</EM>,
-18:47-53, 1954.
+<em>Annals of Botany</em>, 18:47-53, 1954.
-<BR>
-
+<br>
J. B. Douglas. Clustering and aggregation.
-<EM>Sankhya B</EM>,
-37:398-417, 1975.
+<em>Sankhya B</em>, 37:398-417, 1975.
-<BR>
-
+<br>
R. A. Fisher, H. G. Thornton, and W. A. Mackenzie.
The accuracy of the plating method of estimating the density of
bacterial populations.
-<EM>Annals of Applied Biology</EM>,
-9:325-359, 1922.
+<em>Annals of Applied Biology</em>, 9:325-359, 1922.
-<BR>
+<br>
+M. Lloyd. Mean crowding.
+<em>Journal of Animal Ecology</em>, 36:1-30, 1967.
-M. Lloyd.
-Mean crowding.
-<EM>Journal of Animal Ecology</EM>,
-36:1-30, 1967.
+<br>
+M. Morista. Measuring the dispersion and analysis of distribution patterns.
+<em>Memoires of the Faculty of Science, Kyushu University, Series E.
+Biology</em>, 2:215-235, 1959.
-<BR>
-
-M. Morista.
-Measuring the dispersion and analysis of distribution patterns.
-<EM>Memoires of the Faculty of Science, Kyushu University, Series E.
-Biology</EM>, 2:215-235, 1959.
-
-<H2>BUGS</H2>
-<P>
+<h2>BUGS</h2>
+<p>
Timestamp not working for header part of counts output. (2000-10-28)
-<P>
+<p>
Please send all bug fixes and comments to the author
or the grass development team. <br>
-<a href="http://grass.itc.it"><tt>http://grass.itc.it</tt></a>.
+<a href="http://grass.osgeo.org"><tt>http://grass.osgeo.org</tt></a>.
-<H2>AUTHOR</H2>
+<h2>AUTHORS</h2>
-<A HREF="http://mccauley-usa.com/">James Darrell McCauley</A>
-<A HREF="mailto:darrell at mccauley-usa.com"><darrell at mccauley-usa.com></A>,
+<a href="http://mccauley-usa.com/">James Darrell McCauley</a>
+<a href="mailto:darrell at mccauley-usa.com"><darrell at mccauley-usa.com></a>,
<br>when he was at:
-<A HREF="http://ABE.www.ecn.purdue.edu/ABE/">Agricultural Engineering</A>
-<A HREF="http://www.purdue.edu/">Purdue University</A>
+<a href="http://ABE.www.ecn.purdue.edu/ABE/">Agricultural Engineering</a>
+<a href="http://www.purdue.edu/">Purdue University</a>
-<P>
+<p>
Modified for GRASS 5.0 by Eric G. Miller (2000-10-28)
-<BR>
+<br>
Modified for GRASS 5.7 by R. Blazek (2004-10-14)
Modified: grass/branches/develbranch_6/vector/v.sample/description.html
===================================================================
--- grass/branches/develbranch_6/vector/v.sample/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/vector/v.sample/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -1,40 +1,38 @@
-<H2>DESCRIPTION</H2>
+<h2>DESCRIPTION</h2>
-<EM>v.sample</EM> samples a GRASS raster map at the point
+<em>v.sample</em> samples a GRASS raster map at the point
locations in the input file by either cubic convolution
interpolation, bilinear interpolation, or nearest neighbor
sampling (default).
-<P>
+<p>
This program may be especially useful when sampling for
cross validation of interpolations whose output is a raster
map.
-<H2>NOTES</H2>
+<h2>NOTES</h2>
The output points will have the easting and northing of the input points.
The input category value is used. The input attribute, raster value
and difference is written to output.
-<P>
+<p>
When NULL values are encountered for a cell, zero value is used
instead. In these cases, more acurrate results may be obtained
by using the default nearest neighbor comparisons.
-<P>
-
+<p>
This program may not work properly with lat-long data when
the <B>-BC</B> flags are used.
-<P>
-
+<p>
When interpolation is done (i.e., the <B>-BC</B> flags are
used), values are assumed to be located at the centroid of
grid cells. Therefore, current resolution settings are
important.
-<H2>EXAMPLE</H2>
+<h2>EXAMPLE</h2>
Comparison of "elevation.dem" and "elevation.10m" Spearfish maps
at random places:
@@ -60,28 +58,28 @@
</pre></div>
-<H2>SEE ALSO</H2>
+<h2>SEE ALSO</h2>
-<EM>
-<A HREF="v.random.html">v.random</A>,
-<A HREF="g.region.html">g.region</A>
-</EM>
+<em>
+<a href="v.random.html">v.random</a>,
+<a href="g.region.html">g.region</a>
+</em>
-<EM>Image Sampling Methods</EM> - GRASS Tutorial on <EM>s.sample</EM>
+<em>Image Sampling Methods</em> - GRASS Tutorial on <em>s.sample</em>
(available as
-<A HREF="http://grass.itc.it/gdp/sites/">s.sample-tutorial.ps.gz</A>)
+<a href="http://grass.osgeo.org/gdp/sites/">s.sample-tutorial.ps.gz</a>)
-<H2>AUTHOR</H2>
+<h2>AUTHORS</h2>
-<A HREF="http://mccauley-usa.com/">James Darrell McCauley</A>
+<a href="http://mccauley-usa.com/">James Darrell McCauley</a>
<br>when he was at:
-<A HREF="http://ABE.www.ecn.purdue.edu/ABE/">Agricultural Engineering</A>
-<A HREF="http://www.purdue.edu/">Purdue University</A>
-<P>
+<a href="http://ABE.www.ecn.purdue.edu/ABE/">Agricultural Engineering</a>
+<a href="http://www.purdue.edu/">Purdue University</a>
+<p>
Updated for GRASS 5.0 by Eric G. Miller
-<BR>
+<br>
Updated for GRASS 5.7 by Radim Blazek
<p><i>Last changed: $Date$</i>
Modified: grass/branches/develbranch_6/vector/v.to.points/description.html
===================================================================
--- grass/branches/develbranch_6/vector/v.to.points/description.html 2011-10-26 20:49:51 UTC (rev 48954)
+++ grass/branches/develbranch_6/vector/v.to.points/description.html 2011-10-26 20:50:24 UTC (rev 48955)
@@ -17,7 +17,7 @@
The <em>type</em> parameter is used to control which input vector
geometry types to convert into points.
Some caveats to consider about this parameter:
-</p>
+
<ul>
<li>
Points and centroids can be considered as "lines" with only one
@@ -64,7 +64,7 @@
<h2>EXAMPLE</h2>
In this example, the 't_powerlines' vector lines map in the
-<a HREF="http://grass.itc.it/download/data6.php">Spearfish 6</a>
+<a HREF="http://grass.osgeo.org/download/data6.php">Spearfish 6</a>
location is used to create points along the input lines:
<div class="code"><pre>
@@ -77,7 +77,8 @@
<em>
<a HREF="v.segment.html">v.segment</a>,
<a HREF="v.to.rast.html">v.to.rast</a>,
-<a HREF="v.to.db.html">v.to.db</a></em>
+<a HREF="v.to.db.html">v.to.db</a>
+</em>
<h2>AUTHOR</h2>
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