[SoC] GSoC Week 3: Improved Integration of GRASS GIS and Jupyter Notebook

[Caitlin Haedrich]

Hi all,

Here is a brief update on what I accomplished during Week 3 of Google
Summer of Code for the new GRASS library *grass.jupyter*. Per usual, you
can find more updates on the wiki page [1]. I have also started posting
links to Binder Jupyter Notebooks in each PR if you would like to try any
of the features and functions I've been working on.

*1. What did I accomplish this week?*

   - Edited and discussed functions for displaying non-interactive maps in
   Jupyter [2].
   - Drafted an interactive display function for rasters with folium [3].
   - Made a few minor edits to the example_notebook.ipynb that is linked in
   the README [4].


*2.What do I plan on doing next week?*

   - I have a meeting planned with my mentors.
   - I will continue working on interactive functions for Jupyter. In
   particular, I'm working on passing GRASS rasters to folium.
   - I'll begin writing functions for displaying GRASS vectors with folium.


*3. Am I blocked on anything?*

   - I'm not blocked at the moment. But, I have been working on finding a
   good way to pass raster data between GRASS and Jupyter and I'm not sure my
   current method is particularly fast or robust [3]. Luckily, I have a
   meeting tomorrow with my mentors where we will discuss this.


Any suggestions and feedback are welcome!

Best,
Caitlin

[1] https://trac.osgeo.org/grass/wiki/GSoC/2021/JupyterAndGRASS
[2] https://github.com/OSGeo/grass/pull/1668
[3] https://github.com/OSGeo/grass/pull/1684
[4] https://github.com/OSGeo/grass/pull/1686
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