Learn landing page and subsections (#125)

* Learn landing page + minor fixes in subsections

* add missing books and covers - homogenize formatting

* tutorials page: add some missing tutorial to the list, add Spanish tutorials, change featured videos to those of FOSS4G 2019

* tutorials page: add space back in div container

* all logos in light green

* add actinia and www images in grey and grass green for further CSS tweaking + add a new row in learn landing page with more cool grass stuff

* add other links and a couple of pics to newcomers page

* add screenshots to tutorials page

content/learn/_index.en.md

@@ -8,6 +8,13 @@ weight: 2
 ---
 
 
-<h3 class="mt-2 mb-4"> Coming soon</h3>
+<h3 class="mt-2 mb-4">Plenty of resources</h3>
 
-<br><br><br><br><br>
+There are plenty of resources to get started and learn GRASS GIS online: from 
+[manual pages](/learn/manuals) for each module and addon with examples and 
+[wiki](https://grasswiki.osgeo.org/wiki/GRASS-Wiki) pages with applications 
+and use cases to beginner and advanced [courses and workshops](/learn/tutorials), 
+videos and presentations for specific topics, 
+[jupyter notebooks](https://grasswiki.osgeo.org/wiki/GRASS_GIS_Jupyter_notebooks) 
+with different workflows and [books](/learn/books). 
+You may even [try GRASS online](/learn/tryonle) to get a feeling of its capabilities!

content/learn/books.md

@@ -6,26 +6,73 @@ layout: "overview"
 
 | | |
 |-------|--------|
-|![alt text](/images/gallery/books/book_neteler2008_grassgis.png "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach - 3<sup>rd</sup> edition**<br> *M. Neteler, H. Mitasova*, 2008. <br><small>ISBN-10: 038735767XISBN-13:978-0387357676<br>420 pages, Springer</small><br><a href="" target-"_blank">Get the book</a> |
+|![alt text](/images/gallery/books/book_auda_2018_sig_french.jpeg "GRASS and QGIS - French") | **Syst&egrave;mes d'information g&eacute;ographique** - Cours et exercices corrig&eacute;s avec GRASS et QGIS<br>*Y. Auda*, 2018. <br><small>EAN: 9782100775842<br>212 pages, Dunod.</small><br><a href="https://www.dunod.com/sciences-techniques/systemes-d-information-geographique-cours-et-exercices-corriges-avec-grass-et" target-"_blank">Get the book</a> |
 
 
 <hr>
 
 
 | | |
 |-------|--------|
-|![alt text](/images/gallery/books/GRASS-GIS_book_2nd.jpg "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach - 2<sup>nd</sup> edition**<br> *M. Neteler, H. Mitasova*, 2004. <br><small>ISBN 1-4020-7088-8<br>424 pages, Kluwer Academic Publishers</small><br><a href="" target-"_blank">Get the book</a> |
+|![alt text](/images/gallery/books/book_petrasova_2015_tangible.jpg "Tangible Landscapes") | **Tangible Modeling with Open Source GIS**<br>*A. Petrasova, B. Harmon, V. Petras, H. Mitasova*, 2015.<br><small>ISBN: 978-3-319-25773-0, eBook ISBN: 978-3-319-25775-4<br>135 pages, Springer International Publishing.</small><br><a href="http://www.springer.com/us/book/9783319257730" target-"_blank">Get the book</a> |
 
 
 <hr>
 
 
 | | |
 |-------|--------|
-|![alt text](/images/gallery/books/GRASS-GIS_book.jpg "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach**<br> *M. Neteler, H. Mitasova*, 2002. <br><small>ISBN 1-4020-7088-8<br>464 pages, Kluwer Academic Publishers</small><br><a href="" target-"_blank">Get the book</a>> |
+|![alt text](/images/gallery/books/book_gis_open_source_italian.png "Open Source GIS - Italian") | **GIS Open Source. GRASS GIS, Quantum GIS e Spatialite**<br>*L. Casagrande, P. Cavallini, A. Frigeri, A. Furieri, I. Marchesini, M. Neteler*, 2012.<br><small>ISBN 9788857901497<br>224 pages, Dario Flaccovio Editore S.r.l.</small><br><a href="http://www.darioflaccovio.it/libro.php/gis-open-source-df0149_C794" target-"_blank">Get the book</a> |
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/netzel2011_book_cover.png "Analizy GRASS") | **Tom 15: Analizy przestrzenne z wykorzystaniem GRASS**<br> *Paweł Netzel (ed.)*, 2011. <br><small>ISBN 978-83-62673-02-5<br>97 pages.</small><br><a href="http://www.geogr.uni.wroc.pl/index.php/en/publications/31-rozprawy-naukowe-igrr" target-"_blank">Get the book</a> - <a href="http://www.geogr.uni.wroc.pl/images/publikacje/rozprawy_15.pdf">Download PDF</a> |
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/book_neteler2008_grassgis.png "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach - 3<sup>rd</sup> edition**<br> *M. Neteler, H. Mitasova*, 2008. <br><small>ISBN-10: 038735767X, ISBN-13:978-0387357676<br>420 pages, Springer</small><br><a href="http://www.grassbook.org/" target-"_blank">Get the book</a> - <a href="http://www.grassbook.org/data_menu3rd.php">Download book datasets</a>|
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/book_hall2008_os_approaches.gif "Open Source Approaches") | **GRASS GIS. In: G.B. Hall (Ed), Open Source Approaches to Spatial Data Handling**<br> *M. Neteler, D.E. Beaudette, P. Cavallini, L. Lami, J. Cepicky*, 2008. <br><small>ISBN: 978-3-540-74830-4<br>pp. 171-199, Springer, New York</small><br><a href="http://www.springer.com/west/home/geography/gis+cartography?SGWID=4-40421-22-173761773-0" target-"_blank">Get the book</a> |
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/GRASS-GIS_book_2nd.jpg "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach - 2<sup>nd</sup> edition**<br> *M. Neteler, H. Mitasova*, 2004. <br><small>ISBN 1-4020-8064-6, eBook ISBN 1-4020-8065-4<br>424 pages, Kluwer Academic Publishers</small><br><a href="http://www.grassbook.org/" target-"_blank">Get the book</a> |
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/book_neteler2003_grass_handbook.jpg "GRASS GIS Handbook") | **GRASS-Handbuch. Der praktische Leitfaden zum Geographischen Informationssystem GRASS**<br> *M. Neteler*, 2003. <br><small>(GNU FDL) German language, printed and online available<br>266 pages</small><br><a href="gdp/handbuch/neteler_grasshandbuch_v12.pdf" target-"_blank">Download PDF</a> - <a href="http://web.archive.org/web/20061214150642/http://www.gdf-hannover.de/gis.php?id=6&amp;lg=de">Errata</a>|
+
+
+<hr>
+
+
+| | |
+|-------|--------|
+|![alt text](/images/gallery/books/GRASS-GIS_book.jpg "GRASS GIS Book") | **Open Source GIS: A GRASS GIS Approach**<br> *M. Neteler, H. Mitasova*, 2002. <br><small>ISBN 1-4020-7088-8<br>464 pages, Kluwer Academic Publishers</small><br><a href="http://www.grassbook.org/" target-"_blank">Get the book</a> |
 
 
 <hr>
 
 
-<b>To be continued</b >

content/learn/newcomers.md

@@ -4,29 +4,70 @@ date: 2018-12-29T11:02:05+06:00
 layout: "overview"
 ---
 
-### Welcome !
-We are happy to count you among our users ! You will see that once you get familiar with GRASS GIS, how it works and what if offers, you will ask yourself how you could live without it before :-)
+### Welcome!
 
-Before giving you some tips on how to start, two remarks
+We are happy to count you among our users! You will see that once
+you get familiar with GRASS GIS, how it works and what it offers,
+you will ask yourself how you could live without it before 
+<i class="fa fa-smile-o"></i>
 
+<img src="/images/gallery/community/2018_grass_osgeo_codesprint_bonn_a_.jpg" width="37%" style="float:right;padding-left:10px">
 
-* The GRASS GIS [community](/about/community) is a very friendly environment and newbies are well treated whatever your questions or difficulties. So, you should never hesitate to sign up to the [grass-user mailing list](https://lists.osgeo.org/mailman/listinfo/grass-user) or use any of the social media channels to reach out and call for help.
-* GRASS GIS is extremely powerful and the more you understand some of the basic concepts behing GRASS GIS, the more you will be able to harness that power. It is thus worth spending a bit of time to get familiar with these concepts. Payback will be manifold !
+Before giving you some tips on how to start, two remarks:
+
+* The GRASS GIS [**community**](/about/community) is a very friendly 
+environment and newbies are well treated whatever your questions
+or difficulties. So, you should never hesitate to sign up to the 
+[**grass-user mailing list**](https://lists.osgeo.org/mailman/listinfo/grass-user) 
+or use any of the social media channels to reach out and call for help.
+* GRASS GIS is extremely powerful and the more you understand some 
+of the **basic concepts** behind GRASS GIS, the more you will be 
+able to **harness that power**. It is thus worth spending a bit of
+time to get familiar with these concepts. **Payback will be manifold!**
 
 
 ### Newcomer tutorials
-Depending on your favorite medium for learning, different entry doors exist into the marvellous world of GRASS GIS.
+
+Depending on your favorite medium for learning, different entry doors
+exist into the marvellous world of GRASS GIS.
+
 
 #### Written
-You can find many tutorials in different languages on the [tutorials](/learn/tutorials) page. But here are some links to specific resources that might help you get started:
 
-* The [Quickstart](https://grass.osgeo.org/grass-stable/manuals/helptext.html) in the manual pages.
-* The [Quick GUI tutorial](https://grasswiki.osgeo.org/wiki/Quick_wxGUI_tutorial)
-* An [introductory workshop](http://ncsu-geoforall-lab.github.io/grass-intro-workshop/) from Vaclav Petras & the NCSU GeoForAll Lab.
-* The material from the workshop ["From GRASS GIS novice to power user"](https://grasswiki.osgeo.org/wiki/From_GRASS_GIS_novice_to_power_user_(workshop_at_FOSS4G_Boston_2017))
-* For more [specific topics](https://grass.osgeo.org/grass-stable/manuals/graphical_index.html) (e.g. raster data, vector data, database, etc), you should also read the relevant topic introductions provided as they will provide you with helpful information about how these specific domains are handled in GRASS GIS.
+You can find many tutorials in different languages on the 
+[tutorials](/learn/tutorials) page. But here are some links to specific
+resources that might help you get started:
+
+<img src="/images/gallery/gui/grass75_ndvi_rgb_rio_cuarto.png" width="45%" alt="" style="float:right;padding-left:10px">
+
+* The [Quickstart](https://grass.osgeo.org/grass-stable/manuals/helptext.html) 
+in the manual pages.
+* The [Quick GUI tutorial](https://grasswiki.osgeo.org/wiki/Quick_wxGUI_tutorial).
+* An [introductory workshop](http://ncsu-geoforall-lab.github.io/grass-intro-workshop/) 
+by Vaclav Petras & the NCSU GeoForAll Lab.
+* The material from the workshop ["From GRASS GIS novice to power user"](https://grasswiki.osgeo.org/wiki/From_GRASS_GIS_novice_to_power_user_(workshop_at_FOSS4G_Boston_2017)).
+* [Advanced Geospatial Analysis for Earth Observation and Time Series data](https://training.gismentors.eu/grass-gis-irsae-winter-course-2018/) 
+a kind of **from zero to hero** GRASS GIS course by Martin Landa, Luca Delucchi
+and Stefan Blumentrath.
+* For more [specific topics](https://grass.osgeo.org/grass-stable/manuals/graphical_index.html) 
+(e.g. raster data, vector data, database, etc), you should also read the 
+relevant topic introductions as they will provide you with helpful information 
+about how these specific domains are handled in GRASS GIS.
+
+
 #### Videos
-You can just search YouTube for the [GRASS GIS videos](https://www.youtube.com/results?search_query=grass+gis) available there. However, here are pointers to some videos that might be particularly useful for you as a beginner:
 
-* A [introduction to GRASS GIS](https://www.youtube.com/watch?v=wT5SbZtZ12E) by Vaclav Petras from the NC State University's Center for Geospatial Analytics. Best watched in combination with the [related website](http://ncsu-geoforall-lab.github.io/grass-intro-workshop/)/
-* [Isaac Ullah's collection](https://www.youtube.com/channel/UCnXYZpB1oDiK44tV2w9ypvA/search?query=GRASS): tutorials used for his classes, regularly updated to new versions of GRASS
+You can just search YouTube for the [GRASS GIS videos](https://www.youtube.com/results?search_query=grass+gis) 
+available there. However, here are pointers to some videos that might be 
+particularly useful for you as a beginner:
+
+<i class="fa fa-video-camera fa-5x" style="float:left;padding-right:30px"></i>
+
+* An [introduction to GRASS GIS](https://www.youtube.com/watch?v=wT5SbZtZ12E) 
+by Vaclav Petras from the NC State University's Center for Geospatial Analytics. 
+Best watched in combination with the [related website](http://ncsu-geoforall-lab.github.io/grass-intro-workshop/)
+* [Isaac Ullah's collection](https://www.youtube.com/channel/UCnXYZpB1oDiK44tV2w9ypvA/search?query=GRASS) 
+of tutorials used for his classes, regularly updated to new versions of GRASS.
+* [GRASS GIS workshops](https://www.youtube.com/channel/UC6HFFFYiV4zEYJlQMIXemWA/search?query=grass+gis)
+at the [OpenGeoHub Summer School](https://opengeohub.org/) by Veronica Andreo 
+and Markus Neteler.

content/learn/overview.md

@@ -1,5 +1,5 @@
 ---
-title: "What is GRASS GIS ?"
+title: "What is GRASS GIS?"
 date: 2018-12-29T11:02:05+06:00
 layout: "overview"
 ---
@@ -11,7 +11,7 @@ layout: "overview"
 </div>
 <div class="col-lg-8">
 <p><b>G</b>eographic <b>R</b>esources <b>A</b>nalysis <b>S</b>upport <b>S</b>ystem, commonly referred to as <b>GRASS GIS</b>, is a Geographic Information System (GIS) technology built for vector and raster geospatial data management, geoprocessing, spatial modelling and visualization.</p>
-<p><b>GRASS GIS</b> is Free, Libre and Open Source Software released under  the terms of the  <a href="../../download/license"> GNU General Public License (GPL v2) </a>. GRASS GIS is also a founding member and an affiliated  project of the  <a href="https://osgeo.org"> Open Source Geospatial Foundation</a></p>
+<p><b>GRASS GIS</b> is Free and Open Source Software released under the terms of the <a href="/download/license">GNU General Public License (GPL >= v2)</a>. GRASS GIS is also a founding member and an affiliated  project of the  <a href="https://osgeo.org">Open Source Geospatial Foundation (OSGeo)</a></p>
 </div>
 </div>
 </div>
@@ -21,7 +21,7 @@ layout: "overview"
 <div class="container">
 <div class="row mt-20">
 <div class="col-lg-6">
-<p>The <b>GRASS GIS</b> project is an international team effort that includes <a href="https://grasswiki.osgeo.org/wiki/Team">scientists and developers</a> from various fields. GRASS - Geographic Resources Analysis Support System - has been under continuous development since 1982 and it has involved a large number of federal US agencies, universities, and private companies. The core components of GRASS GIS and the management of releases were developed and handled by the Construction Engineering Resesarch Laboratory (CERL) in Champaign, Illinois. Since 1997 a worldwide network of developers continue to release new GRASS GIS versions (see GRASS history section).</p>
+<p>The <b>GRASS GIS</b> project is an international team effort that includes <a href="https://grasswiki.osgeo.org/wiki/Team">scientists and developers</a> from various fields. GRASS has been under continuous development since 1982 and it has involved a large number of federal US agencies, universities, and private companies. The core components of GRASS GIS and the management of releases were developed and handled by the Construction Engineering Resesarch Laboratory (CERL) in Champaign, Illinois. Since 1997 a worldwide network of developers continue to release new GRASS GIS versions. See the <a href="/about/history" target="_blank">GRASS history</a> section for more details.</p>
 
 <p>The strength and success of GRASS GIS relies on the user community. The philosophy of the GRASS GIS Development Team is to encourage users to develop their own unique tools and applications as well as to improve the existent ones.</p>
 </div>

content/learn/tryonline.md

@@ -48,7 +48,7 @@ Through the Binder hub <b>mybinder.org</b>, compute environments defined in the
 </div>
 </div>
 
-Find in the Wiki more [GRASS GIS Jupyter notebooks](https://grasswiki.osgeo.org/wiki/GRASS_GIS_Jupyter_notebooks).
+Find more [GRASS GIS Jupyter notebooks](https://grasswiki.osgeo.org/wiki/GRASS_GIS_Jupyter_notebooks) in the Wiki.
 
 <!-- commented out since too slow and sample data still missing in CoCalc: