[GRASS-SVN] r67778 - grass/branches/releasebranch_7_0/vector/v.proj
svn_grass at osgeo.org
svn_grass at osgeo.org
Sun Feb 7 14:29:22 PST 2016
Author: neteler
Date: 2016-02-07 14:29:22 -0800 (Sun, 07 Feb 2016)
New Revision: 67778
Modified:
grass/branches/releasebranch_7_0/vector/v.proj/main.c
grass/branches/releasebranch_7_0/vector/v.proj/v.proj.html
Log:
v.proj manual: describe automated vertex densification (default)
Modified: grass/branches/releasebranch_7_0/vector/v.proj/main.c
===================================================================
--- grass/branches/releasebranch_7_0/vector/v.proj/main.c 2016-02-07 22:27:19 UTC (rev 67777)
+++ grass/branches/releasebranch_7_0/vector/v.proj/main.c 2016-02-07 22:29:22 UTC (rev 67778)
@@ -67,6 +67,7 @@
G_add_keyword(_("vector"));
G_add_keyword(_("projection"));
G_add_keyword(_("transformation"));
+ G_add_keyword(_("import"));
module->description = _("Re-projects a vector map from one location to the current location.");
/* set up the options and flags for the command line parser */
Modified: grass/branches/releasebranch_7_0/vector/v.proj/v.proj.html
===================================================================
--- grass/branches/releasebranch_7_0/vector/v.proj/v.proj.html 2016-02-07 22:27:19 UTC (rev 67777)
+++ grass/branches/releasebranch_7_0/vector/v.proj/v.proj.html 2016-02-07 22:29:22 UTC (rev 67778)
@@ -22,6 +22,10 @@
database. The user only has to specify <b>dbase</b> if the source
location is stored in another separate GRASS database.
+<br>
+If <b>smax</b> is set to <b>0</b> the automated vertex densification is
+disabled (not recommended).
+
<p>
<em>v.proj</em> supports general datum transformations, making use of the
<em>PROJ.4</em> co-ordinate system translation library.
@@ -33,12 +37,12 @@
to be disabled with the <b>-w</b> flag.
<p>
-In order to preserve spatial detail, it is recommended to densify linear
-features with <em><a href="v.split.html">v.split</a></em> before
-reprojecting. Depending on the source and target CRS
-(Coordinate Reference System), geometries can be substantially
-deformed (straight lines become curves, squares become trapezoids, etc).
-In these cases densification of linear features can help to avoid
+In order to preserve spatial detail, <em>v.proj</em> performs automated
+vertex densification (as an alternative, <em><a href="v.split.html">v.split</a></em>
+could be used before reprojecting. Without vertex densification, depending on
+the source and target CRS (Coordinate Reference System), geometries can be
+substantially deformed (straight lines become curves, squares become
+trapezoids, etc). The densification of linear features can help to avoid
topological errors.
<h2>EXAMPLES</h2>
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