[GRASS-SVN] r73920 - grass-addons/grass7/imagery/i.sentinel/i.sentinel.import
svn_grass at osgeo.org
svn_grass at osgeo.org
Sun Jan 6 14:11:12 PST 2019
Author: neteler
Date: 2019-01-06 14:11:12 -0800 (Sun, 06 Jan 2019)
New Revision: 73920
Modified:
grass-addons/grass7/imagery/i.sentinel/i.sentinel.import/i.sentinel.import.html
Log:
i.sentinel.import addon manual: memory parameter added for speedup
Modified: grass-addons/grass7/imagery/i.sentinel/i.sentinel.import/i.sentinel.import.html
===================================================================
--- grass-addons/grass7/imagery/i.sentinel/i.sentinel.import/i.sentinel.import.html 2019-01-06 22:00:04 UTC (rev 73919)
+++ grass-addons/grass7/imagery/i.sentinel/i.sentinel.import/i.sentinel.import.html 2019-01-06 22:11:12 UTC (rev 73920)
@@ -1,25 +1,25 @@
<h2>DESCRIPTION</h2>
-The <em>i.sentinel.import</em> module allows importing Sentinel products
-downloaded
-by the <em><a href="i.sentinel.download.html">i.sentinel.download</a></em>
+The <em>i.sentinel.import</em> module allows importing Copernicus Sentinel products
+downloaded by the <em><a href="i.sentinel.download.html">i.sentinel.download</a></em>
module.
<p>
-By default <em>i.sentinel.import</em> imports all Sentinel bands found
-in <b>input</b> directory
-by <em><a href="r.import.html">r.import</a></em>. Note that in the
-case that spatial reference system of input data differs from GRASS
-location, the input data are reprojected.
+By default <em>i.sentinel.import</em> imports all Sentinel scene files found
+in the <b>input</b> directory by <em><a href="r.import.html">r.import</a></em>.
+Note that in the case that spatial reference system of input data differs
+from GRASS GIS location, the input data are reprojected. To speed up this
+process, a higher than default value can be specified for the <b>memory</b>
+option.
<p>
Optionally input data can be linked
by <em><a href="r.external.html">r.external</a></em> when <b>-l</b> is
-given. Note that linking data requires that input data and GRASS
-location have the same spatial reference system.
+given. Note that linking data requires that Sentinel input data and GRASS
+location have the same spatial reference system (e.g., the same UTM zone).
<p>
-Number of imported Sentinel bands can be optionally reduced by the
+The number of imported Sentinel bands can be optionally reduced by the
<b>pattern</b> option. Below an overview of the Sentinel-2 MSI band
spatial resolutions:
@@ -51,14 +51,16 @@
<p>
If <b>-c</b> flag is given, than also cloud mask file is imported as
-vector map if available. Name of created vector map is determined from
+vector map if available. The name of created vector map is determined from
input Sentinel product.
<h2>EXAMPLES</h2>
+<h3>List Sentinel bands</h3>
+
At first, print list of raster files to be imported by <b>-p</b>. For
each file also projection match with current location is printed
-including detected input data EPSG code.
+including detected input data EPSG code:
<div class="code"><pre>
i.sentinel.import -p input=data
@@ -68,6 +70,8 @@
data/S2B_MSIL1C_20180216T102059_N0206_R065_T32UPB_20180216T140508.SAFE/GRANULE/.../T32UPB_20180216T102059_B11.jp2 1 (EPSG: 32632)
</pre></div>
+<h3>Import Sentinel bands</h3>
+
Import all Sentinel bands found in <i>data</i> directory:
<div class="code"><pre>
@@ -74,6 +78,7 @@
i.sentinel.import input=data
</pre></div>
+<p>
Limit import to only to 4th and 8th bands:
<div class="code"><pre>
@@ -80,6 +85,7 @@
i.sentinel.import input=data pattern='B0(4|8)'
</pre></div>
+<p>
Limit import to only to all bands with 10m resolution (excluding AOT, WVP, ... bands):
<div class="code"><pre>
@@ -86,6 +92,7 @@
i.sentinel.import input=data pattern='B0(2|3|4|8)_10m'
</pre></div>
+<p>
Link data and import also cloud mask file:
<div class="code"><pre>
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