Add presentation slides (#6)

Add slides for the KEGS 2023 presentation.

README.md

@@ -1,13 +1,19 @@
 # Fatiando a Terra: Open-source tools for geophysics
 
-## Authors
-
 [Santiago Soler](https://www.santisoler.com)<sup>1</sup>
 [Lindsey J. Heagy](https://lindseyjh.ca/)<sup>1</sup>
 
 > 1. Department of Earth, Ocean and Atmospheric Sciences, University of British
 >    Columbia
 
+|Information | |
+|--|---|
+| When | March 4, 2023 |
+| Where | [KEGS 2023 Symposium](https://www.kegsonline.org), Toronto, Canada |
+| Abstract | [Read abstract](#abstract)  |
+| Extended abstract | [Read extended abstract](extended-abstract/README.md)  |
+| Presentation slides | [10.6084/m9.figshare.22151357](https://doi.org/10.6084/m9.figshare.22151357)  |
+
 ## Abstract
 
 <!-- a little about the project -->

extended-abstract/code/environment.yml → environment.yml

@@ -7,9 +7,19 @@ dependencies:
   - numpy==1.23.5
   - xarray==2023.1.0
   - pandas==1.5.3
+  - pyproj==3.4.1
+  - pygmt==0.8.0
+  - xrft==1.0.1
+  - matplotlib==3.7.0
+  - pyvista==0.38.1
+  - jupyter
+  - tectonic
+  - pip
+  # Fatiando packages
+  - pooch==1.6.0
   - boule==0.4.1
   - ensaio==0.5.0
-  - harmonica==0.5.1
   - verde==1.7.0
-  - pyproj==3.4.1
-  - pygmt==0.8.0
+  - pip:
+      - git+https://github.com/fatiando/harmonica
+      - ppigrf

presentation/README.md

@@ -0,0 +1,24 @@
+# Slides for KEGS 2023 presentation
+
+The `slides.odp` contains the slides for the KEGS 2023 presentation. A PDF
+version can be downloaded from
+[10.6084/m9.figshare.22151357](https://doi.org/10.6084/m9.figshare.22151357).
+
+The slides have been made with [LibreOffice
+Impress](https://www.libreoffice.org/discover/impress/) using the
+[Montserrat](https://fonts.google.com/specimen/Montserrat)
+and [FiraCode](https://github.com/tonsky/FiraCode) fonts available under the
+OFL license.
+Versions of these fonts are included in the `fonts` directory.
+
+The `code` folder contains Jupyter notebooks and Python scripts used to
+generate some of the figures shown in the slides.
+
+The `data` folder contains magnetic data from the Mt. Milligan,
+British Columbia. The files were downloaded from
+[NRCAN](https://natural-resources.canada.ca/home) website, available under an
+[Open Government Licence, Canada](
+https://open.canada.ca/en/open-government-licence-canada).
+
+The `figs` folder contains some of the figures and original `.svg` files used
+to create the figures shown in the slides.

presentation/code/fetch_avatars.py

@@ -0,0 +1,60 @@
+"""
+Fetch GitHub avatars of Fatiando authors
+"""
+import re
+import requests
+from pathlib import Path
+
+BRANCH = "main"
+PROJECTS = ["harmonica", "verde", "boule", "pooch", "ensaio"]
+
+
+def _parse_authors_file(package, branch):
+    """
+    Returns a dict with information about the author of the package
+
+    Parameters
+    ----------
+    package : str
+        Name of the Fatiando a Terra package.
+
+    Returns
+    -------
+    authors : list
+        List of tuples. Each tuple contains the ``full_name`` and the
+        ``github_handle`` of each user.
+    """
+    response = requests.get(
+        f"https://raw.githubusercontent.com/fatiando/{package}/{branch}/AUTHORS.md",
+    )
+    response.raise_for_status()
+    markdown = response.text
+    authors = re.findall(r"\[(.+?)\]\((?:https://github.com/)(.+?)/?\)", markdown)
+    return authors
+
+
+if __name__ == "__main__":
+
+    # Get path of dir for this script
+    filepath = Path(__file__).parent
+
+    # Get authors of all Fatiando projects
+    authors = []
+    for project in PROJECTS:
+        authors.extend(_parse_authors_file(project, BRANCH))
+
+    # Get unique authors
+    authors = list(set(authors))
+
+    # Create directory for storing the avatar images
+    avatars_dir = filepath / ".." / "figs" / "avatars"
+    avatars_dir.mkdir()
+
+    # Download the avatar images
+    for _, handle in authors:
+        with open(avatars_dir / f"{handle}.jpg", "wb") as outfile:
+            response = requests.get(f"https://github.com/{handle}.png")
+            if response.status_code != 200:
+                print(f"Couldn't download avatar for {handle}")
+                continue
+            outfile.write(response.content)