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Organize and polish feature slides, cleanup
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wenzeslaus committed Sep 9, 2024
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Expand Up @@ -165,11 +165,11 @@ <h1>State of GRASS GIS</h1>
<h2>Vaclav (Vashek) Petras</h2>
<ul>
<li>Sr. Research Software Engineer at NC State's Center for Geospatial Analytics
<li>BS &amp; MS in Geoinformatics, Czech Technical University in Prague,
PhD in Geospatial Analytics, NC State
<li>GRASS GIS: Core Development Team, Project Steering Committee
<li>OSGeo: Charter Member, GRASS GIS is an OSGeo Project</li>
</ul>
<img src="img/cli_tangible.png" class="stretch">
<img src="img/ncsu_cga.png" style="width: 80%">
<img src="img/osgeo.png" style="width: 80%">
</section>

<section>
Expand All @@ -185,8 +185,8 @@ <h2>Community</h2>
<h2>GRASS GIS</h2>
<ul>
<li>geospatial processing engine</li>
<li><b>400+</b> <a href="https://grass.osgeo.org/grass-stable/manuals/full_index.html">tools</a></li>
<li><b>400+</b> <a href="https://grass.osgeo.org/grass-stable/manuals/addons/">tools in addons</a></li>
<li><b>400+</b> <a href="https://grass.osgeo.org/grass-stable/manuals/full_index.html">processing tools</a></li>
<li><b>400+</b> <a href="https://grass.osgeo.org/grass-stable/manuals/addons/">more tools in GRASS Addons</a></li>
</ul>
<img src="img/jupyter_interactive_viewshed.png" class="stretch">
</section>
Expand Down Expand Up @@ -295,52 +295,47 @@ <h2>Tools: More Topology Handling</h2>
<small>by Vaclav Petras</small>
</section>


<section>
<h2>Tools: Better View and Ray Tracing</h2>

<p><a href="https://grass.osgeo.org/grass84/manuals/r.horizon.html">r.horizon</a>:
Output for multiple points, distances, and many other improvements</p>

<img src="img/rhorizon_polar_plot.png" class="stretch">

<small>by Anna Petrasova, funded by NSF Award #2322073, granted to Natrx, Inc.</small>
</section>


<section>
<h2>Tools: JSON for Text Outputs</h2>
<h2>Interfaces: JSON for Text Outputs</h2>

<h3>Streamlines the connection with other tools</h3>
JSON output format support <code>(format="json")</code> in multiple tools (v.db.select, t.rast.list, &hellip;)

<pre class="bash"><code>
r.info elevation format=json
v.db.select roadsmajor format=json
</code></pre>

<p>
With better integration in Python:

<pre class="json"><code>
{
"north": 228500,
"south": 215000,
"nsres": 10,
"east": 645000,
"west": 630000,
"ewres": 10,
"rows": 1350,
"cols": 1500,
"cells": 2025000,
"datatype": "FCELL",
"ncats": 255,
"min": 55.578792572021484,
"max": 156.32986450195312,
"map": "elevation",
...
}
import json
import grass.script as gs

data = gs.parse_command("v.db.select", map="roadsmajor", format="json")
for row in data["records"]:
print(row["ROAD_NAME"])
</code></pre>

<p>JSON output format support <code>(format="json")</code> in multiple tools
(e.g., r.report, r.info, v.db.select, t.rast.list, etc.)</p>
<p> More coming in 8.5
(r.report, r.info, &hellip;)</p>

<small>by Kriti Birda, Corey White, Vaclav Petras and others</small>
<small>by Anna Petrasova, Vaclav Petras, Huidae Cho, Kriti Birda, Corey White, and others</small>

</section>

<section>
<h2>Tools: Better View and Ray Tracing</h2>

<p><a href="https://grass.osgeo.org/grass84/manuals/r.horizon.html">r.horizon</a>:
Output for multiple points, distances, and many other improvements</p>

<img src="img/rhorizon_polar_plot.png" class="stretch">

<small>by Anna Petrasova, funded by NSF Award #2322073, granted to Natrx, Inc.</small>
</section>

<section>
<h2><em>Locations</em> are now <em>Projects</em></h2>
Expand Down Expand Up @@ -372,7 +367,18 @@ <h2><em>Locations</em> are now <em>Projects</em></h2>


<section>
<h2>API and Library changes</h2>
<h2>CLI: <code>--tmp-project</code> with <code>--exec</code></h2>
<code>--tmp-location</code> is now <code>--tmp-project</code>
<pre style="font-size: 94%;"><code data-trim data-noescape>grass --tmp-project EPSG:3358 --exec \
r.viewshed input=elevation \
output=viewshed coordinates=642964,222890
</code></pre>
<p><code>--tmp-location</code> continues to work</p>
</section>


<section>
<h2>Python API: Simpler Creation of Projects</h2>

<p><code>grass.script</code> Python package: </p>

Expand All @@ -387,8 +393,6 @@ <h2>API and Library changes</h2>
gj.init("cordoba_utm21s")
</code></pre>

<small>See <a href="https://grass.osgeo.org/grass84/manuals/libpython/_modules/grass/script/core.html#create_project">create_project</a> doc.</small>

<aside class="notes">
It is also possible to create a project in a temporary folder
</aside>
Expand All @@ -398,30 +402,38 @@ <h2>API and Library changes</h2>


<section>
<h2>API and Library changes</h2>
<h2>Python API: Animations and ipyleaflet</h2>

<p><code>grass.jupyter</code> Python package:

<ul>
<li>New <code>grass.jupyter.SeriesMap</code> class for animating series of vectors or rasters. See <a href="https://grass.osgeo.org/grass84/manuals/libpython/grass.jupyter.html#module-grass.jupyter.seriesmap">grass.jupyter.SeriesMap</a> doc.</li>
<li><code>ipyleaflet</code> integration to create a map in ipyleaflet and add GRASS data in a single line</li>
</ul>
</p>

<pre><code data-trim data-noescape>
series = gj.SeriesMap(height = 500)
series.add_rasters(["elevation_shade", "geology", "soils"])
series.add_vectors(["streams", "streets", "viewpoints"])
series.d_barscale()
series.show()
m = InteractiveMap(map_backend="ipyleaflet")
m.add_vector("streams")
m.add_raster("elevation")
m.show()

s = gj.SeriesMap(height = 500)
s.add_rasters(["elevation_shade", "geology", "soils"])
s.add_vectors(["streams", "streets", "viewpoints"])
s.d_barscale()
s.show()
</code></pre>

<img src="img/animation.gif" class="stretch">

<small>
by Caitlin Haedrich, Riya Saxena, Anna Petrasova
</small>
</section>


<section>
<h2>GUI: New history browser panel</h2>
<h2>GUI: New History Browser Panel</h2>

<img src="img/history_panel.png" class="stretch">

Expand All @@ -430,80 +442,21 @@ <h2>GUI: New history browser panel</h2>
<aside class="notes">
Commands grouped by date, we can see their status, the region setting when they were executed, etc.

Other GUI improvements include the integration of the modeler within single window layout,
Other GUI improvements include the integration of the modeler within single window layout,
undockable map displays, faster rendering in d modules.
</aside>
</section>


<section>
<h1>New in 8.4.0</h1>
</section>

<section>
<h2>Command line batch mode with <code>--exec</code></h2>
Streamlined usage of GRASS tools through system calls.
<pre style="font-size: 94%;">grass /grassdata/nc_spm/work1 --exec \
r.viewshed input=elevation \
output=viewshed coordinates=642964,222890
</pre>
</section>


<section>
<h2>Command Line Description with <code>--json</code></h2>
<ul>
<li>Translates command line parameters to JSON.</li>
<li>Used by actinia to integrate with GRASS GIS.</li>
<li>Seeking feedback for other use-cases.</li>
</ul>
<pre style="font-size: 94%;">r.viewshed \
input=elevation \
output=viewshed \
coordinates=642964,222890 \
--json
</pre>
</section>


<section>
<h2>Data Analytics Workflows</h2>
<img src="img/jupyter_timeseries_viewshed.gif" class="stretch">
<p>
<a href="https://tinyurl.com/grass-jupyter-8-2">tinyurl.com/grass-jupyter-8-2</a>
</p>
</section>

<section>
<h2>Streamlined Data Management</h2>
New <em>Data</em> tab is a central place to manipulate data in a project.
<img src="img/mapsets_with_green_landscape.png" class="stretch">
</section>


<section>
<h2>Multiple windows</h2>
Multiple windows was the only option.
<p>
Still available as before, but&hellip;
</p>
<img src="img/grass_gis_v7.2.1.png" class="stretch">
</section>

<section>
<h2>Single-window Interface</h2>
Now single-window interface is the default.
<img src="img/gui_orange_viewsheds_buffer.png" class="stretch">
</section>

<section>
<h1>Funding</h1>
</section>


<section>
<h2>NSF grant lead by NC State</h2>
<h2>NSF Grant Lead by NC State</h2>
<ul>
<li>Starting year 2 (out of 2)</li>
<li>NSF grant awarded to NC State, ASU, NMSU, Yale</li>
<li>to enhance infrastructure</li>
<li>to revise contributing guidelines</li>
Expand All @@ -515,20 +468,20 @@ <h2>NSF grant lead by NC State</h2>


<section>
<h2>Sponsoring</h2>
<h2>Financial Contributions</h2>

<img src="img/open_collective_top.png" style="width: 40%;">
<img src="img/open_collective_top.png" style="width: 80%;">

<br>
<ul>
<li>Money donations allow us to:</li>
<ul>
<li>organize face-to-face coding sessions (sprints)</li>
<li>support mentoring programs and student grants</li>
<li>finance infrastructure needs (web site, etc)</li>
</ul>
<li>
Contributions through Open Collective partially support face-to-face meetings and student grants.
</li>
<li>We would like to finance ongoing maintenance.</li>
<li>Talk to me if Open Collective does not work for you.</li>
</ul>
<img src="img/open_collective_qr.png" class="stretch">
<p><small><a href="https://opencollective.com/grass">opencollective.com/grass</a></small></p>
</section>

<section>
Expand All @@ -552,7 +505,7 @@ <h2>PSC Elections</h2>

<section>
<h2>Community Meeting 2024</h2>
12-hour work days, 8.4.0 release, CI, 3-year roadmap, &hellip;
12-hour work days, 8.4.0 release, CI, parallelization, &hellip;
<br>
<img src="img/community_prague_2024_group_old_town.jpg" class="stretch">
<small><a href="https://grass.osgeo.org/news/2024_08_02_report_community_meeting_prague_2024/">grass.osgeo.org &gt; Latest news &gt; Report from the GRASS Community Meeting</a></small>
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