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@@ -10,8 +10,11 @@ and environmental consulting companies.
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<h2>1. Startup of GRASS GIS</h2>
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+After launching GRASS GIS, the startup screen will open:
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+<p>
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+
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<center>
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- <img src="grass_start.png" alt="[GRASS start screen]">
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+ <img src="grass_start.png" alt="[GRASS GIS start screen]">
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</center>
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<h3><img src="circle_1.png" alt="[(1)]"> Selecting the GIS Database directory</h3>
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@@ -56,19 +59,19 @@ one, you can enter GRASS. The graphical user interface
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menu system, map visualization tool, digitizer, and more.
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-<h2>2. Background GRASS Location structure</h2>
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-
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-<center>
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- <img src="help_loc_struct.png" alt="[GRASS Location structure]"><br>
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- <i>Fig. 1: GRASS Location structure</i>
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-</center>
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+<h2>2. Background: GRASS Location structure</h2>
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-<p>
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A LOCATION is simply a set of directories which contains the GRASS
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data of a project. Within each LOCATION, a mandatory "PERMANENT"
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MAPSET exists which contains projection information and some more
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definitions. It can be used to store the base cartography in it as
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"PERMANENT" is visible to all users accessing a LOCATION.
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+<p>
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+
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+<center>
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+ <img src="help_loc_struct.png" alt="[GRASS Location structure]"><br>
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+ <i>Fig. 1: GRASS GIS location structure</i>
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+</center>
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<h3>Creating and maintaining MAPSETs</h3>
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One motivation to maintain different MAPSETs is to store maps
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@@ -102,13 +105,13 @@ all mapsets a WIND file is kept, for storing the current boundary
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coordinate values and the currently selected raster resolution. Users
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have the option of switching back to the default region at any time.
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-<h2>3. Creating a GRASS database with sample data</h2>
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+<h2>3. Creating a GRASS Database with Sample Data</h2>
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To create the GRASS database:
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<ol>
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<li> Find a place on your disk where you have write access and that
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- has enough diskspace to hold your spatial data.</LI>
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+ has enough disk space to hold your spatial data.</LI>
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<li> Create a subdirectory that will hold the general GRASS database
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(e.g. using a file manager or with <tt>mkdir /data/grassdata</tt> or
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<tt>mkdir /home/yourlogin/grassdata</tt>).</LI>
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@@ -117,39 +120,42 @@ To create the GRASS database:
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<p>Sample data such as the "Spearfish" or the "North Carolina" sample datasets
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may be downloaded from
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<a href="http://grass.osgeo.org/download/data.php">http://grass.osgeo.org/download/data.php</a>
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-and placed in this new database directory.
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+and the compressed data package(s) extracted into this new database directory.
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<p>
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+Now you are ready to select a sample dataset in the GRASS GIS startup screen
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+(see above) and start the session.
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-<h2>4. Create New Location with Location Wizard</h2>
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+<h2>4. Creating A New Location with Location Wizard</h2>
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The <a href="wxGUI.html">wxGUI</a> graphical user interface provides a
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graphical "Location Wizard" which let's you easily create a
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-new LOCATION. You will be guided through a series of dialogues to
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+new LOCATION for own data. You will be guided through a series of dialogues to
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browse and select predefined projections (also via EPSG code) or to
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define individual projections. The rules to define the resolution as
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described above also apply here.
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<p>
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-You can also create new location from a georeferenced data file.
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+<i>Hint: You can create new location easily from a georeferenced data file.
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In this case you are asked whether the data itself should be imported
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-into the new location. The default region is then set to match imported map.
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+into the new location. The default region is then set to match imported map
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+and the GRASS GIS session is opened.</i>
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<p>
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-After defining new location wxGUI starts automatically.
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-If some data were imported, you can to add them into
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-the Layer Manager now.
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-If your location is empty you can import your data from menu
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-File -> Import raster/vector data.
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+After defining new location, wxGUI starts automatically.
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+If data were already imported, you can add them into the Layer Manager now
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+and display them. If your location is empty you can import your data from
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+the menu: Go to "File" -> "Import raster/vector data" (see also the
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+related Wiki page on <a href="http://grass.osgeo.org/wiki/Importing_data">Importing data</a>).
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<p>
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-Under some circumstances you can find useful to create New Location using
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-text based location wizard (see
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-<a href="http://grass.osgeo.org/wiki/GRASS_Location_Wizard#Text_based_location_wizard">http://grass.osgeo.org/wiki/GRASS_Location_Wizard</a>).
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+Under some circumstances you may find it useful to create a new location using
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+the <b>text based location wizard</b>. For this, see
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+<a href="http://grass.osgeo.org/wiki/GRASS_Location_Wizard#Text_based_location_wizard">http://grass.osgeo.org/wiki/GRASS_Location_Wizard</a>.
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<h2>Further Reading</h2>
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-Please have a look at the GRASS web site for tutorials and books:
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-<a href="http://grass.osgeo.org/gdp/index.php">http://grass.osgeo.org/gdp/index.php</a>.
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+Please have a look at the GRASS GIS web site for tutorials and books:
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+<a href="http://grass.osgeo.org/gdp/">http://grass.osgeo.org/gdp/</a>.
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<h2>See also</h2>
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